1/*****************************************************************************/
2/* ips.c -- driver for the Adaptec / IBM ServeRAID controller */
3/* */
4/* Written By: Keith Mitchell, IBM Corporation */
5/* Jack Hammer, Adaptec, Inc. */
6/* David Jeffery, Adaptec, Inc. */
7/* */
8/* Copyright (C) 2000 IBM Corporation */
9/* Copyright (C) 2002,2003 Adaptec, Inc. */
10/* */
11/* This program is free software; you can redistribute it and/or modify */
12/* it under the terms of the GNU General Public License as published by */
13/* the Free Software Foundation; either version 2 of the License, or */
14/* (at your option) any later version. */
15/* */
16/* This program is distributed in the hope that it will be useful, */
17/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
18/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
19/* GNU General Public License for more details. */
20/* */
21/* NO WARRANTY */
22/* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */
23/* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */
24/* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */
25/* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */
26/* solely responsible for determining the appropriateness of using and */
27/* distributing the Program and assumes all risks associated with its */
28/* exercise of rights under this Agreement, including but not limited to */
29/* the risks and costs of program errors, damage to or loss of data, */
30/* programs or equipment, and unavailability or interruption of operations. */
31/* */
32/* DISCLAIMER OF LIABILITY */
33/* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */
34/* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */
35/* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */
36/* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */
37/* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */
38/* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */
39/* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */
40/* */
41/* You should have received a copy of the GNU General Public License */
42/* along with this program; if not, write to the Free Software */
43/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
44/* */
45/* Bugs/Comments/Suggestions about this driver should be mailed to: */
46/* ipslinux@adaptec.com */
47/* */
48/* For system support issues, contact your local IBM Customer support. */
49/* Directions to find IBM Customer Support for each country can be found at: */
50/* http://www.ibm.com/planetwide/ */
51/* */
52/*****************************************************************************/
53
54/*****************************************************************************/
55/* Change Log */
56/* */
57/* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */
58/* 0.99.03 - Make interrupt routine handle all completed request on the */
59/* adapter not just the first one */
60/* - Make sure passthru commands get woken up if we run out of */
61/* SCBs */
62/* - Send all of the commands on the queue at once rather than */
63/* one at a time since the card will support it. */
64/* 0.99.04 - Fix race condition in the passthru mechanism -- this required */
65/* the interface to the utilities to change */
66/* - Fix error recovery code */
67/* 0.99.05 - Fix an oops when we get certain passthru commands */
68/* 1.00.00 - Initial Public Release */
69/* Functionally equivalent to 0.99.05 */
70/* 3.60.00 - Bump max commands to 128 for use with firmware 3.60 */
71/* - Change version to 3.60 to coincide with release numbering. */
72/* 3.60.01 - Remove bogus error check in passthru routine */
73/* 3.60.02 - Make DCDB direction based on lookup table */
74/* - Only allow one DCDB command to a SCSI ID at a time */
75/* 4.00.00 - Add support for ServeRAID 4 */
76/* 4.00.01 - Add support for First Failure Data Capture */
77/* 4.00.02 - Fix problem with PT DCDB with no buffer */
78/* 4.00.03 - Add alternative passthru interface */
79/* - Add ability to flash BIOS */
80/* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */
81/* 4.00.05 - Remove wish_block from init routine */
82/* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */
83/* 2.3.18 and later */
84/* - Sync with other changes from the 2.3 kernels */
85/* 4.00.06 - Fix timeout with initial FFDC command */
86/* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */
87/* 4.10.00 - Add support for ServeRAID 4M/4L */
88/* 4.10.13 - Fix for dynamic unload and proc file system */
89/* 4.20.03 - Rename version to coincide with new release schedules */
90/* Performance fixes */
91/* Fix truncation of /proc files with cat */
92/* Merge in changes through kernel 2.4.0test1ac21 */
93/* 4.20.13 - Fix some failure cases / reset code */
94/* - Hook into the reboot_notifier to flush the controller cache */
95/* 4.50.01 - Fix problem when there is a hole in logical drive numbering */
96/* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */
97/* - Add IPSSEND Flash Support */
98/* - Set Sense Data for Unknown SCSI Command */
99/* - Use Slot Number from NVRAM Page 5 */
100/* - Restore caller's DCDB Structure */
101/* 4.70.12 - Corrective actions for bad controller ( during initialization )*/
102/* 4.70.13 - Don't Send CDB's if we already know the device is not present */
103/* - Don't release HA Lock in ips_next() until SC taken off queue */
104/* - Unregister SCSI device in ips_release() */
105/* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */
106/* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */
107/* Code Clean-Up for 2.4.x kernel */
108/* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */
109/* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */
110/* - Don't Issue Internal FFDC Command if there are Active Commands */
111/* - Close Window for getting too many IOCTL's active */
112/* 4.80.00 - Make ia64 Safe */
113/* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */
114/* - Adjustments to Device Queue Depth */
115/* 4.80.14 - Take all semaphores off stack */
116/* - Clean Up New_IOCTL path */
117/* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */
118/* - 5 second delay needed after resetting an i960 adapter */
119/* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */
120/* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */
121/* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */
122/* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */
123/* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */
124/* 4.90.11 - Don't actually RESET unless it's physically required */
125/* - Remove unused compile options */
126/* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */
127/* - Get rid on IOCTL_NEW_COMMAND code */
128/* - Add Extended DCDB Commands for Tape Support in 5I */
129/* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */
130/* 5.10.15 - remove unused code (sem, macros, etc.) */
131/* 5.30.00 - use __devexit_p() */
132/* 6.00.00 - Add 6x Adapters and Battery Flash */
133/* 6.10.00 - Remove 1G Addressing Limitations */
134/* 6.11.xx - Get VersionInfo buffer off the stack ! DDTS 60401 */
135/* 6.11.xx - Make Logical Drive Info structure safe for DMA DDTS 60639 */
136/* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */
137/* - Fix path/name for scsi_hosts.h include for 2.6 kernels */
138/* - Fix sort order of 7k */
139/* - Remove 3 unused "inline" functions */
140/* 7.12.xx - Use STATIC functions wherever possible */
141/* - Clean up deprecated MODULE_PARM calls */
142/* 7.12.05 - Remove Version Matching per IBM request */
143/*****************************************************************************/
144
145/*
146 * Conditional Compilation directives for this driver:
147 *
148 * IPS_DEBUG - Turn on debugging info
149 *
150 * Parameters:
151 *
152 * debug:<number> - Set debug level to <number>
153 * NOTE: only works when IPS_DEBUG compile directive is used.
154 * 1 - Normal debug messages
155 * 2 - Verbose debug messages
156 * 11 - Method trace (non interrupt)
157 * 12 - Method trace (includes interrupt)
158 *
159 * noi2o - Don't use I2O Queues (ServeRAID 4 only)
160 * nommap - Don't use memory mapped I/O
161 * ioctlsize - Initial size of the IOCTL buffer
162 */
163
164#include <asm/io.h>
165#include <asm/byteorder.h>
166#include <asm/page.h>
167#include <linux/stddef.h>
168#include <linux/string.h>
169#include <linux/errno.h>
170#include <linux/kernel.h>
171#include <linux/ioport.h>
172#include <linux/slab.h>
173#include <linux/delay.h>
174#include <linux/pci.h>
175#include <linux/proc_fs.h>
176#include <linux/reboot.h>
177#include <linux/interrupt.h>
178
179#include <linux/blkdev.h>
180#include <linux/types.h>
181#include <linux/dma-mapping.h>
182
183#include <scsi/sg.h>
184#include "scsi.h"
185#include <scsi/scsi_host.h>
186
187#include "ips.h"
188
189#include <linux/module.h>
190
191#include <linux/stat.h>
192
193#include <linux/spinlock.h>
194#include <linux/init.h>
195
196#include <linux/smp.h>
197
198#ifdef MODULE
199static char *ips = NULL;
200module_param(ips, charp, 0);
201#endif
202
203/*
204 * DRIVER_VER
205 */
206#define IPS_VERSION_HIGH IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING
207#define IPS_VERSION_LOW "." IPS_VER_BUILD_STRING " "
208
209#define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \
210 DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \
211 DMA_BIDIRECTIONAL : \
212 scb->scsi_cmd->sc_data_direction)
213
214#ifdef IPS_DEBUG
215#define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n");
216#define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n");
217#define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v);
218#else
219#define METHOD_TRACE(s, i)
220#define DEBUG(i, s)
221#define DEBUG_VAR(i, s, v...)
222#endif
223
224/*
225 * Function prototypes
226 */
227static int ips_eh_abort(struct scsi_cmnd *);
228static int ips_eh_reset(struct scsi_cmnd *);
229static int ips_queue(struct Scsi_Host *, struct scsi_cmnd *);
230static const char *ips_info(struct Scsi_Host *);
231static irqreturn_t do_ipsintr(int, void *);
232static int ips_hainit(ips_ha_t *);
233static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *);
234static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int);
235static int ips_send_cmd(ips_ha_t *, ips_scb_t *);
236static int ips_online(ips_ha_t *, ips_scb_t *);
237static int ips_inquiry(ips_ha_t *, ips_scb_t *);
238static int ips_rdcap(ips_ha_t *, ips_scb_t *);
239static int ips_msense(ips_ha_t *, ips_scb_t *);
240static int ips_reqsen(ips_ha_t *, ips_scb_t *);
241static int ips_deallocatescbs(ips_ha_t *, int);
242static int ips_allocatescbs(ips_ha_t *);
243static int ips_reset_copperhead(ips_ha_t *);
244static int ips_reset_copperhead_memio(ips_ha_t *);
245static int ips_reset_morpheus(ips_ha_t *);
246static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *);
247static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *);
248static int ips_issue_i2o(ips_ha_t *, ips_scb_t *);
249static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *);
250static int ips_isintr_copperhead(ips_ha_t *);
251static int ips_isintr_copperhead_memio(ips_ha_t *);
252static int ips_isintr_morpheus(ips_ha_t *);
253static int ips_wait(ips_ha_t *, int, int);
254static int ips_write_driver_status(ips_ha_t *, int);
255static int ips_read_adapter_status(ips_ha_t *, int);
256static int ips_read_subsystem_parameters(ips_ha_t *, int);
257static int ips_read_config(ips_ha_t *, int);
258static int ips_clear_adapter(ips_ha_t *, int);
259static int ips_readwrite_page5(ips_ha_t *, int, int);
260static int ips_init_copperhead(ips_ha_t *);
261static int ips_init_copperhead_memio(ips_ha_t *);
262static int ips_init_morpheus(ips_ha_t *);
263static int ips_isinit_copperhead(ips_ha_t *);
264static int ips_isinit_copperhead_memio(ips_ha_t *);
265static int ips_isinit_morpheus(ips_ha_t *);
266static int ips_erase_bios(ips_ha_t *);
267static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t);
268static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t);
269static int ips_erase_bios_memio(ips_ha_t *);
270static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
271static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t);
272static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
273static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
274static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
275static void ips_free_flash_copperhead(ips_ha_t * ha);
276static void ips_get_bios_version(ips_ha_t *, int);
277static void ips_identify_controller(ips_ha_t *);
278static void ips_chkstatus(ips_ha_t *, IPS_STATUS *);
279static void ips_enable_int_copperhead(ips_ha_t *);
280static void ips_enable_int_copperhead_memio(ips_ha_t *);
281static void ips_enable_int_morpheus(ips_ha_t *);
282static int ips_intr_copperhead(ips_ha_t *);
283static int ips_intr_morpheus(ips_ha_t *);
284static void ips_next(ips_ha_t *, int);
285static void ipsintr_blocking(ips_ha_t *, struct ips_scb *);
286static void ipsintr_done(ips_ha_t *, struct ips_scb *);
287static void ips_done(ips_ha_t *, ips_scb_t *);
288static void ips_free(ips_ha_t *);
289static void ips_init_scb(ips_ha_t *, ips_scb_t *);
290static void ips_freescb(ips_ha_t *, ips_scb_t *);
291static void ips_setup_funclist(ips_ha_t *);
292static void ips_statinit(ips_ha_t *);
293static void ips_statinit_memio(ips_ha_t *);
294static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time64_t);
295static void ips_ffdc_reset(ips_ha_t *, int);
296static void ips_ffdc_time(ips_ha_t *);
297static uint32_t ips_statupd_copperhead(ips_ha_t *);
298static uint32_t ips_statupd_copperhead_memio(ips_ha_t *);
299static uint32_t ips_statupd_morpheus(ips_ha_t *);
300static ips_scb_t *ips_getscb(ips_ha_t *);
301static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *);
302static void ips_putq_wait_tail(ips_wait_queue_entry_t *, struct scsi_cmnd *);
303static void ips_putq_copp_tail(ips_copp_queue_t *,
304 ips_copp_wait_item_t *);
305static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *);
306static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *);
307static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *);
308static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *,
309 struct scsi_cmnd *);
310static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *,
311 ips_copp_wait_item_t *);
312static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *);
313
314static int ips_is_passthru(struct scsi_cmnd *);
315static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int);
316static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *);
317static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *);
318static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data,
319 unsigned int count);
320static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data,
321 unsigned int count);
322
323static int ips_write_info(struct Scsi_Host *, char *, int);
324static int ips_show_info(struct seq_file *, struct Scsi_Host *);
325static int ips_host_info(ips_ha_t *, struct seq_file *);
326static int ips_abort_init(ips_ha_t * ha, int index);
327static int ips_init_phase2(int index);
328
329static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr);
330static int ips_register_scsi(int index);
331
332static int ips_poll_for_flush_complete(ips_ha_t * ha);
333static void ips_flush_and_reset(ips_ha_t *ha);
334
335/*
336 * global variables
337 */
338static const char ips_name[] = "ips";
339static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */
340static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */
341static unsigned int ips_next_controller;
342static unsigned int ips_num_controllers;
343static unsigned int ips_released_controllers;
344static int ips_hotplug;
345static int ips_cmd_timeout = 60;
346static int ips_reset_timeout = 60 * 5;
347static int ips_force_memio = 1; /* Always use Memory Mapped I/O */
348static int ips_force_i2o = 1; /* Always use I2O command delivery */
349static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */
350static int ips_cd_boot; /* Booting from Manager CD */
351static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */
352static dma_addr_t ips_flashbusaddr;
353static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */
354static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */
355static struct scsi_host_template ips_driver_template = {
356 .info = ips_info,
357 .queuecommand = ips_queue,
358 .eh_abort_handler = ips_eh_abort,
359 .eh_host_reset_handler = ips_eh_reset,
360 .proc_name = "ips",
361 .show_info = ips_show_info,
362 .write_info = ips_write_info,
363 .slave_configure = ips_slave_configure,
364 .bios_param = ips_biosparam,
365 .this_id = -1,
366 .sg_tablesize = IPS_MAX_SG,
367 .cmd_per_lun = 3,
368 .no_write_same = 1,
369};
370
371
372/* This table describes all ServeRAID Adapters */
373static struct pci_device_id ips_pci_table[] = {
374 { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
375 { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
376 { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 },
377 { 0, }
378};
379
380MODULE_DEVICE_TABLE( pci, ips_pci_table );
381
382static char ips_hot_plug_name[] = "ips";
383
384static int ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent);
385static void ips_remove_device(struct pci_dev *pci_dev);
386
387static struct pci_driver ips_pci_driver = {
388 .name = ips_hot_plug_name,
389 .id_table = ips_pci_table,
390 .probe = ips_insert_device,
391 .remove = ips_remove_device,
392};
393
394
395/*
396 * Necessary forward function protoypes
397 */
398static int ips_halt(struct notifier_block *nb, ulong event, void *buf);
399
400#define MAX_ADAPTER_NAME 15
401
402static char ips_adapter_name[][30] = {
403 "ServeRAID",
404 "ServeRAID II",
405 "ServeRAID on motherboard",
406 "ServeRAID on motherboard",
407 "ServeRAID 3H",
408 "ServeRAID 3L",
409 "ServeRAID 4H",
410 "ServeRAID 4M",
411 "ServeRAID 4L",
412 "ServeRAID 4Mx",
413 "ServeRAID 4Lx",
414 "ServeRAID 5i",
415 "ServeRAID 5i",
416 "ServeRAID 6M",
417 "ServeRAID 6i",
418 "ServeRAID 7t",
419 "ServeRAID 7k",
420 "ServeRAID 7M"
421};
422
423static struct notifier_block ips_notifier = {
424 ips_halt, NULL, 0
425};
426
427/*
428 * Direction table
429 */
430static char ips_command_direction[] = {
431 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT,
432 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK,
433 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
434 IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
435 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT,
436 IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT,
437 IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN,
438 IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
439 IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK,
440 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
441 IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE,
442 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT,
443 IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT,
444 IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE,
445 IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK,
446 IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK,
447 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
448 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
449 IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
450 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
451 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
452 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
453 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
454 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
455 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
456 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
457 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
458 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
459 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
460 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
461 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
462 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
463 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
464 IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE,
465 IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT,
466 IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE,
467 IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN,
468 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
469 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
470 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
471 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
472 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
473 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
474 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
475 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
476 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK,
477 IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT,
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};
483
484
485/****************************************************************************/
486/* */
487/* Routine Name: ips_setup */
488/* */
489/* Routine Description: */
490/* */
491/* setup parameters to the driver */
492/* */
493/****************************************************************************/
494static int
495ips_setup(char *ips_str)
496{
497
498 int i;
499 char *key;
500 char *value;
501 IPS_OPTION options[] = {
502 {"noi2o", &ips_force_i2o, 0},
503 {"nommap", &ips_force_memio, 0},
504 {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE},
505 {"cdboot", &ips_cd_boot, 0},
506 {"maxcmds", &MaxLiteCmds, 32},
507 };
508
509 /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */
510 /* Search for value */
511 while ((key = strsep(&ips_str, ",."))) {
512 if (!*key)
513 continue;
514 value = strchr(key, ':');
515 if (value)
516 *value++ = '\0';
517 /*
518 * We now have key/value pairs.
519 * Update the variables
520 */
521 for (i = 0; i < ARRAY_SIZE(options); i++) {
522 if (strncasecmp
523 (key, options[i].option_name,
524 strlen(options[i].option_name)) == 0) {
525 if (value)
526 *options[i].option_flag =
527 simple_strtoul(value, NULL, 0);
528 else
529 *options[i].option_flag =
530 options[i].option_value;
531 break;
532 }
533 }
534 }
535
536 return (1);
537}
538
539__setup("ips=", ips_setup);
540
541/****************************************************************************/
542/* */
543/* Routine Name: ips_detect */
544/* */
545/* Routine Description: */
546/* */
547/* Detect and initialize the driver */
548/* */
549/* NOTE: this routine is called under the io_request_lock spinlock */
550/* */
551/****************************************************************************/
552static int
553ips_detect(struct scsi_host_template * SHT)
554{
555 int i;
556
557 METHOD_TRACE("ips_detect", 1);
558
559#ifdef MODULE
560 if (ips)
561 ips_setup(ips);
562#endif
563
564 for (i = 0; i < ips_num_controllers; i++) {
565 if (ips_register_scsi(i))
566 ips_free(ips_ha[i]);
567 ips_released_controllers++;
568 }
569 ips_hotplug = 1;
570 return (ips_num_controllers);
571}
572
573/****************************************************************************/
574/* configure the function pointers to use the functions that will work */
575/* with the found version of the adapter */
576/****************************************************************************/
577static void
578ips_setup_funclist(ips_ha_t * ha)
579{
580
581 /*
582 * Setup Functions
583 */
584 if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) {
585 /* morpheus / marco / sebring */
586 ha->func.isintr = ips_isintr_morpheus;
587 ha->func.isinit = ips_isinit_morpheus;
588 ha->func.issue = ips_issue_i2o_memio;
589 ha->func.init = ips_init_morpheus;
590 ha->func.statupd = ips_statupd_morpheus;
591 ha->func.reset = ips_reset_morpheus;
592 ha->func.intr = ips_intr_morpheus;
593 ha->func.enableint = ips_enable_int_morpheus;
594 } else if (IPS_USE_MEMIO(ha)) {
595 /* copperhead w/MEMIO */
596 ha->func.isintr = ips_isintr_copperhead_memio;
597 ha->func.isinit = ips_isinit_copperhead_memio;
598 ha->func.init = ips_init_copperhead_memio;
599 ha->func.statupd = ips_statupd_copperhead_memio;
600 ha->func.statinit = ips_statinit_memio;
601 ha->func.reset = ips_reset_copperhead_memio;
602 ha->func.intr = ips_intr_copperhead;
603 ha->func.erasebios = ips_erase_bios_memio;
604 ha->func.programbios = ips_program_bios_memio;
605 ha->func.verifybios = ips_verify_bios_memio;
606 ha->func.enableint = ips_enable_int_copperhead_memio;
607 if (IPS_USE_I2O_DELIVER(ha))
608 ha->func.issue = ips_issue_i2o_memio;
609 else
610 ha->func.issue = ips_issue_copperhead_memio;
611 } else {
612 /* copperhead */
613 ha->func.isintr = ips_isintr_copperhead;
614 ha->func.isinit = ips_isinit_copperhead;
615 ha->func.init = ips_init_copperhead;
616 ha->func.statupd = ips_statupd_copperhead;
617 ha->func.statinit = ips_statinit;
618 ha->func.reset = ips_reset_copperhead;
619 ha->func.intr = ips_intr_copperhead;
620 ha->func.erasebios = ips_erase_bios;
621 ha->func.programbios = ips_program_bios;
622 ha->func.verifybios = ips_verify_bios;
623 ha->func.enableint = ips_enable_int_copperhead;
624
625 if (IPS_USE_I2O_DELIVER(ha))
626 ha->func.issue = ips_issue_i2o;
627 else
628 ha->func.issue = ips_issue_copperhead;
629 }
630}
631
632/****************************************************************************/
633/* */
634/* Routine Name: ips_release */
635/* */
636/* Routine Description: */
637/* */
638/* Remove a driver */
639/* */
640/****************************************************************************/
641static int
642ips_release(struct Scsi_Host *sh)
643{
644 ips_scb_t *scb;
645 ips_ha_t *ha;
646 int i;
647
648 METHOD_TRACE("ips_release", 1);
649
650 scsi_remove_host(sh);
651
652 for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ;
653
654 if (i == IPS_MAX_ADAPTERS) {
655 printk(KERN_WARNING
656 "(%s) release, invalid Scsi_Host pointer.\n", ips_name);
657 BUG();
658 return (FALSE);
659 }
660
661 ha = IPS_HA(sh);
662
663 if (!ha)
664 return (FALSE);
665
666 /* flush the cache on the controller */
667 scb = &ha->scbs[ha->max_cmds - 1];
668
669 ips_init_scb(ha, scb);
670
671 scb->timeout = ips_cmd_timeout;
672 scb->cdb[0] = IPS_CMD_FLUSH;
673
674 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
675 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
676 scb->cmd.flush_cache.state = IPS_NORM_STATE;
677 scb->cmd.flush_cache.reserved = 0;
678 scb->cmd.flush_cache.reserved2 = 0;
679 scb->cmd.flush_cache.reserved3 = 0;
680 scb->cmd.flush_cache.reserved4 = 0;
681
682 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
683
684 /* send command */
685 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE)
686 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n");
687
688 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n");
689
690 ips_sh[i] = NULL;
691 ips_ha[i] = NULL;
692
693 /* free extra memory */
694 ips_free(ha);
695
696 /* free IRQ */
697 free_irq(ha->pcidev->irq, ha);
698
699 scsi_host_put(sh);
700
701 ips_released_controllers++;
702
703 return (FALSE);
704}
705
706/****************************************************************************/
707/* */
708/* Routine Name: ips_halt */
709/* */
710/* Routine Description: */
711/* */
712/* Perform cleanup when the system reboots */
713/* */
714/****************************************************************************/
715static int
716ips_halt(struct notifier_block *nb, ulong event, void *buf)
717{
718 ips_scb_t *scb;
719 ips_ha_t *ha;
720 int i;
721
722 if ((event != SYS_RESTART) && (event != SYS_HALT) &&
723 (event != SYS_POWER_OFF))
724 return (NOTIFY_DONE);
725
726 for (i = 0; i < ips_next_controller; i++) {
727 ha = (ips_ha_t *) ips_ha[i];
728
729 if (!ha)
730 continue;
731
732 if (!ha->active)
733 continue;
734
735 /* flush the cache on the controller */
736 scb = &ha->scbs[ha->max_cmds - 1];
737
738 ips_init_scb(ha, scb);
739
740 scb->timeout = ips_cmd_timeout;
741 scb->cdb[0] = IPS_CMD_FLUSH;
742
743 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
744 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
745 scb->cmd.flush_cache.state = IPS_NORM_STATE;
746 scb->cmd.flush_cache.reserved = 0;
747 scb->cmd.flush_cache.reserved2 = 0;
748 scb->cmd.flush_cache.reserved3 = 0;
749 scb->cmd.flush_cache.reserved4 = 0;
750
751 IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n");
752
753 /* send command */
754 if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) ==
755 IPS_FAILURE)
756 IPS_PRINTK(KERN_WARNING, ha->pcidev,
757 "Incomplete Flush.\n");
758 else
759 IPS_PRINTK(KERN_WARNING, ha->pcidev,
760 "Flushing Complete.\n");
761 }
762
763 return (NOTIFY_OK);
764}
765
766/****************************************************************************/
767/* */
768/* Routine Name: ips_eh_abort */
769/* */
770/* Routine Description: */
771/* */
772/* Abort a command (using the new error code stuff) */
773/* Note: this routine is called under the io_request_lock */
774/****************************************************************************/
775int ips_eh_abort(struct scsi_cmnd *SC)
776{
777 ips_ha_t *ha;
778 ips_copp_wait_item_t *item;
779 int ret;
780 struct Scsi_Host *host;
781
782 METHOD_TRACE("ips_eh_abort", 1);
783
784 if (!SC)
785 return (FAILED);
786
787 host = SC->device->host;
788 ha = (ips_ha_t *) SC->device->host->hostdata;
789
790 if (!ha)
791 return (FAILED);
792
793 if (!ha->active)
794 return (FAILED);
795
796 spin_lock(host->host_lock);
797
798 /* See if the command is on the copp queue */
799 item = ha->copp_waitlist.head;
800 while ((item) && (item->scsi_cmd != SC))
801 item = item->next;
802
803 if (item) {
804 /* Found it */
805 ips_removeq_copp(&ha->copp_waitlist, item);
806 ret = (SUCCESS);
807
808 /* See if the command is on the wait queue */
809 } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
810 /* command not sent yet */
811 ret = (SUCCESS);
812 } else {
813 /* command must have already been sent */
814 ret = (FAILED);
815 }
816
817 spin_unlock(host->host_lock);
818 return ret;
819}
820
821/****************************************************************************/
822/* */
823/* Routine Name: ips_eh_reset */
824/* */
825/* Routine Description: */
826/* */
827/* Reset the controller (with new eh error code) */
828/* */
829/* NOTE: this routine is called under the io_request_lock spinlock */
830/* */
831/****************************************************************************/
832static int __ips_eh_reset(struct scsi_cmnd *SC)
833{
834 int ret;
835 int i;
836 ips_ha_t *ha;
837 ips_scb_t *scb;
838 ips_copp_wait_item_t *item;
839
840 METHOD_TRACE("ips_eh_reset", 1);
841
842#ifdef NO_IPS_RESET
843 return (FAILED);
844#else
845
846 if (!SC) {
847 DEBUG(1, "Reset called with NULL scsi command");
848
849 return (FAILED);
850 }
851
852 ha = (ips_ha_t *) SC->device->host->hostdata;
853
854 if (!ha) {
855 DEBUG(1, "Reset called with NULL ha struct");
856
857 return (FAILED);
858 }
859
860 if (!ha->active)
861 return (FAILED);
862
863 /* See if the command is on the copp queue */
864 item = ha->copp_waitlist.head;
865 while ((item) && (item->scsi_cmd != SC))
866 item = item->next;
867
868 if (item) {
869 /* Found it */
870 ips_removeq_copp(&ha->copp_waitlist, item);
871 return (SUCCESS);
872 }
873
874 /* See if the command is on the wait queue */
875 if (ips_removeq_wait(&ha->scb_waitlist, SC)) {
876 /* command not sent yet */
877 return (SUCCESS);
878 }
879
880 /* An explanation for the casual observer: */
881 /* Part of the function of a RAID controller is automatic error */
882 /* detection and recovery. As such, the only problem that physically */
883 /* resetting an adapter will ever fix is when, for some reason, */
884 /* the driver is not successfully communicating with the adapter. */
885 /* Therefore, we will attempt to flush this adapter. If that succeeds, */
886 /* then there's no real purpose in a physical reset. This will complete */
887 /* much faster and avoids any problems that might be caused by a */
888 /* physical reset ( such as having to fail all the outstanding I/O's ). */
889
890 if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */
891 scb = &ha->scbs[ha->max_cmds - 1];
892
893 ips_init_scb(ha, scb);
894
895 scb->timeout = ips_cmd_timeout;
896 scb->cdb[0] = IPS_CMD_FLUSH;
897
898 scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH;
899 scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb);
900 scb->cmd.flush_cache.state = IPS_NORM_STATE;
901 scb->cmd.flush_cache.reserved = 0;
902 scb->cmd.flush_cache.reserved2 = 0;
903 scb->cmd.flush_cache.reserved3 = 0;
904 scb->cmd.flush_cache.reserved4 = 0;
905
906 /* Attempt the flush command */
907 ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL);
908 if (ret == IPS_SUCCESS) {
909 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
910 "Reset Request - Flushed Cache\n");
911 return (SUCCESS);
912 }
913 }
914
915 /* Either we can't communicate with the adapter or it's an IOCTL request */
916 /* from a utility. A physical reset is needed at this point. */
917
918 ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */
919
920 /*
921 * command must have already been sent
922 * reset the controller
923 */
924 IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n");
925 ret = (*ha->func.reset) (ha);
926
927 if (!ret) {
928 struct scsi_cmnd *scsi_cmd;
929
930 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
931 "Controller reset failed - controller now offline.\n");
932
933 /* Now fail all of the active commands */
934 DEBUG_VAR(1, "(%s%d) Failing active commands",
935 ips_name, ha->host_num);
936
937 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
938 scb->scsi_cmd->result = DID_ERROR << 16;
939 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
940 ips_freescb(ha, scb);
941 }
942
943 /* Now fail all of the pending commands */
944 DEBUG_VAR(1, "(%s%d) Failing pending commands",
945 ips_name, ha->host_num);
946
947 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
948 scsi_cmd->result = DID_ERROR;
949 scsi_cmd->scsi_done(scsi_cmd);
950 }
951
952 ha->active = FALSE;
953 return (FAILED);
954 }
955
956 if (!ips_clear_adapter(ha, IPS_INTR_IORL)) {
957 struct scsi_cmnd *scsi_cmd;
958
959 IPS_PRINTK(KERN_NOTICE, ha->pcidev,
960 "Controller reset failed - controller now offline.\n");
961
962 /* Now fail all of the active commands */
963 DEBUG_VAR(1, "(%s%d) Failing active commands",
964 ips_name, ha->host_num);
965
966 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
967 scb->scsi_cmd->result = DID_ERROR << 16;
968 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
969 ips_freescb(ha, scb);
970 }
971
972 /* Now fail all of the pending commands */
973 DEBUG_VAR(1, "(%s%d) Failing pending commands",
974 ips_name, ha->host_num);
975
976 while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) {
977 scsi_cmd->result = DID_ERROR << 16;
978 scsi_cmd->scsi_done(scsi_cmd);
979 }
980
981 ha->active = FALSE;
982 return (FAILED);
983 }
984
985 /* FFDC */
986 if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) {
987 ha->last_ffdc = ktime_get_real_seconds();
988 ha->reset_count++;
989 ips_ffdc_reset(ha, IPS_INTR_IORL);
990 }
991
992 /* Now fail all of the active commands */
993 DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num);
994
995 while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) {
996 scb->scsi_cmd->result = DID_RESET << 16;
997 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
998 ips_freescb(ha, scb);
999 }
1000
1001 /* Reset DCDB active command bits */
1002 for (i = 1; i < ha->nbus; i++)
1003 ha->dcdb_active[i - 1] = 0;
1004
1005 /* Reset the number of active IOCTLs */
1006 ha->num_ioctl = 0;
1007
1008 ips_next(ha, IPS_INTR_IORL);
1009
1010 return (SUCCESS);
1011#endif /* NO_IPS_RESET */
1012
1013}
1014
1015static int ips_eh_reset(struct scsi_cmnd *SC)
1016{
1017 int rc;
1018
1019 spin_lock_irq(SC->device->host->host_lock);
1020 rc = __ips_eh_reset(SC);
1021 spin_unlock_irq(SC->device->host->host_lock);
1022
1023 return rc;
1024}
1025
1026/****************************************************************************/
1027/* */
1028/* Routine Name: ips_queue */
1029/* */
1030/* Routine Description: */
1031/* */
1032/* Send a command to the controller */
1033/* */
1034/* NOTE: */
1035/* Linux obtains io_request_lock before calling this function */
1036/* */
1037/****************************************************************************/
1038static int ips_queue_lck(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *))
1039{
1040 ips_ha_t *ha;
1041 ips_passthru_t *pt;
1042
1043 METHOD_TRACE("ips_queue", 1);
1044
1045 ha = (ips_ha_t *) SC->device->host->hostdata;
1046
1047 if (!ha)
1048 return (1);
1049
1050 if (!ha->active)
1051 return (DID_ERROR);
1052
1053 if (ips_is_passthru(SC)) {
1054 if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) {
1055 SC->result = DID_BUS_BUSY << 16;
1056 done(SC);
1057
1058 return (0);
1059 }
1060 } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) {
1061 SC->result = DID_BUS_BUSY << 16;
1062 done(SC);
1063
1064 return (0);
1065 }
1066
1067 SC->scsi_done = done;
1068
1069 DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)",
1070 ips_name,
1071 ha->host_num,
1072 SC->cmnd[0],
1073 SC->device->channel, SC->device->id, SC->device->lun);
1074
1075 /* Check for command to initiator IDs */
1076 if ((scmd_channel(SC) > 0)
1077 && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) {
1078 SC->result = DID_NO_CONNECT << 16;
1079 done(SC);
1080
1081 return (0);
1082 }
1083
1084 if (ips_is_passthru(SC)) {
1085
1086 ips_copp_wait_item_t *scratch;
1087
1088 /* A Reset IOCTL is only sent by the boot CD in extreme cases. */
1089 /* There can never be any system activity ( network or disk ), but check */
1090 /* anyway just as a good practice. */
1091 pt = (ips_passthru_t *) scsi_sglist(SC);
1092 if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) &&
1093 (pt->CoppCP.cmd.reset.adapter_flag == 1)) {
1094 if (ha->scb_activelist.count != 0) {
1095 SC->result = DID_BUS_BUSY << 16;
1096 done(SC);
1097 return (0);
1098 }
1099 ha->ioctl_reset = 1; /* This reset request is from an IOCTL */
1100 __ips_eh_reset(SC);
1101 SC->result = DID_OK << 16;
1102 SC->scsi_done(SC);
1103 return (0);
1104 }
1105
1106 /* allocate space for the scribble */
1107 scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC);
1108
1109 if (!scratch) {
1110 SC->result = DID_ERROR << 16;
1111 done(SC);
1112
1113 return (0);
1114 }
1115
1116 scratch->scsi_cmd = SC;
1117 scratch->next = NULL;
1118
1119 ips_putq_copp_tail(&ha->copp_waitlist, scratch);
1120 } else {
1121 ips_putq_wait_tail(&ha->scb_waitlist, SC);
1122 }
1123
1124 ips_next(ha, IPS_INTR_IORL);
1125
1126 return (0);
1127}
1128
1129static DEF_SCSI_QCMD(ips_queue)
1130
1131/****************************************************************************/
1132/* */
1133/* Routine Name: ips_biosparam */
1134/* */
1135/* Routine Description: */
1136/* */
1137/* Set bios geometry for the controller */
1138/* */
1139/****************************************************************************/
1140static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
1141 sector_t capacity, int geom[])
1142{
1143 ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata;
1144 int heads;
1145 int sectors;
1146 int cylinders;
1147
1148 METHOD_TRACE("ips_biosparam", 1);
1149
1150 if (!ha)
1151 /* ?!?! host adater info invalid */
1152 return (0);
1153
1154 if (!ha->active)
1155 return (0);
1156
1157 if (!ips_read_adapter_status(ha, IPS_INTR_ON))
1158 /* ?!?! Enquiry command failed */
1159 return (0);
1160
1161 if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) {
1162 heads = IPS_NORM_HEADS;
1163 sectors = IPS_NORM_SECTORS;
1164 } else {
1165 heads = IPS_COMP_HEADS;
1166 sectors = IPS_COMP_SECTORS;
1167 }
1168
1169 cylinders = (unsigned long) capacity / (heads * sectors);
1170
1171 DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d",
1172 heads, sectors, cylinders);
1173
1174 geom[0] = heads;
1175 geom[1] = sectors;
1176 geom[2] = cylinders;
1177
1178 return (0);
1179}
1180
1181/****************************************************************************/
1182/* */
1183/* Routine Name: ips_slave_configure */
1184/* */
1185/* Routine Description: */
1186/* */
1187/* Set queue depths on devices once scan is complete */
1188/* */
1189/****************************************************************************/
1190static int
1191ips_slave_configure(struct scsi_device * SDptr)
1192{
1193 ips_ha_t *ha;
1194 int min;
1195
1196 ha = IPS_HA(SDptr->host);
1197 if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) {
1198 min = ha->max_cmds / 2;
1199 if (ha->enq->ucLogDriveCount <= 2)
1200 min = ha->max_cmds - 1;
1201 scsi_change_queue_depth(SDptr, min);
1202 }
1203
1204 SDptr->skip_ms_page_8 = 1;
1205 SDptr->skip_ms_page_3f = 1;
1206 return 0;
1207}
1208
1209/****************************************************************************/
1210/* */
1211/* Routine Name: do_ipsintr */
1212/* */
1213/* Routine Description: */
1214/* */
1215/* Wrapper for the interrupt handler */
1216/* */
1217/****************************************************************************/
1218static irqreturn_t
1219do_ipsintr(int irq, void *dev_id)
1220{
1221 ips_ha_t *ha;
1222 struct Scsi_Host *host;
1223 int irqstatus;
1224
1225 METHOD_TRACE("do_ipsintr", 2);
1226
1227 ha = (ips_ha_t *) dev_id;
1228 if (!ha)
1229 return IRQ_NONE;
1230 host = ips_sh[ha->host_num];
1231 /* interrupt during initialization */
1232 if (!host) {
1233 (*ha->func.intr) (ha);
1234 return IRQ_HANDLED;
1235 }
1236
1237 spin_lock(host->host_lock);
1238
1239 if (!ha->active) {
1240 spin_unlock(host->host_lock);
1241 return IRQ_HANDLED;
1242 }
1243
1244 irqstatus = (*ha->func.intr) (ha);
1245
1246 spin_unlock(host->host_lock);
1247
1248 /* start the next command */
1249 ips_next(ha, IPS_INTR_ON);
1250 return IRQ_RETVAL(irqstatus);
1251}
1252
1253/****************************************************************************/
1254/* */
1255/* Routine Name: ips_intr_copperhead */
1256/* */
1257/* Routine Description: */
1258/* */
1259/* Polling interrupt handler */
1260/* */
1261/* ASSUMES interrupts are disabled */
1262/* */
1263/****************************************************************************/
1264int
1265ips_intr_copperhead(ips_ha_t * ha)
1266{
1267 ips_stat_t *sp;
1268 ips_scb_t *scb;
1269 IPS_STATUS cstatus;
1270 int intrstatus;
1271
1272 METHOD_TRACE("ips_intr", 2);
1273
1274 if (!ha)
1275 return 0;
1276
1277 if (!ha->active)
1278 return 0;
1279
1280 intrstatus = (*ha->func.isintr) (ha);
1281
1282 if (!intrstatus) {
1283 /*
1284 * Unexpected/Shared interrupt
1285 */
1286
1287 return 0;
1288 }
1289
1290 while (TRUE) {
1291 sp = &ha->sp;
1292
1293 intrstatus = (*ha->func.isintr) (ha);
1294
1295 if (!intrstatus)
1296 break;
1297 else
1298 cstatus.value = (*ha->func.statupd) (ha);
1299
1300 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1301 /* Spurious Interrupt ? */
1302 continue;
1303 }
1304
1305 ips_chkstatus(ha, &cstatus);
1306 scb = (ips_scb_t *) sp->scb_addr;
1307
1308 /*
1309 * use the callback function to finish things up
1310 * NOTE: interrupts are OFF for this
1311 */
1312 (*scb->callback) (ha, scb);
1313 } /* end while */
1314 return 1;
1315}
1316
1317/****************************************************************************/
1318/* */
1319/* Routine Name: ips_intr_morpheus */
1320/* */
1321/* Routine Description: */
1322/* */
1323/* Polling interrupt handler */
1324/* */
1325/* ASSUMES interrupts are disabled */
1326/* */
1327/****************************************************************************/
1328int
1329ips_intr_morpheus(ips_ha_t * ha)
1330{
1331 ips_stat_t *sp;
1332 ips_scb_t *scb;
1333 IPS_STATUS cstatus;
1334 int intrstatus;
1335
1336 METHOD_TRACE("ips_intr_morpheus", 2);
1337
1338 if (!ha)
1339 return 0;
1340
1341 if (!ha->active)
1342 return 0;
1343
1344 intrstatus = (*ha->func.isintr) (ha);
1345
1346 if (!intrstatus) {
1347 /*
1348 * Unexpected/Shared interrupt
1349 */
1350
1351 return 0;
1352 }
1353
1354 while (TRUE) {
1355 sp = &ha->sp;
1356
1357 intrstatus = (*ha->func.isintr) (ha);
1358
1359 if (!intrstatus)
1360 break;
1361 else
1362 cstatus.value = (*ha->func.statupd) (ha);
1363
1364 if (cstatus.value == 0xffffffff)
1365 /* No more to process */
1366 break;
1367
1368 if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) {
1369 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1370 "Spurious interrupt; no ccb.\n");
1371
1372 continue;
1373 }
1374
1375 ips_chkstatus(ha, &cstatus);
1376 scb = (ips_scb_t *) sp->scb_addr;
1377
1378 /*
1379 * use the callback function to finish things up
1380 * NOTE: interrupts are OFF for this
1381 */
1382 (*scb->callback) (ha, scb);
1383 } /* end while */
1384 return 1;
1385}
1386
1387/****************************************************************************/
1388/* */
1389/* Routine Name: ips_info */
1390/* */
1391/* Routine Description: */
1392/* */
1393/* Return info about the driver */
1394/* */
1395/****************************************************************************/
1396static const char *
1397ips_info(struct Scsi_Host *SH)
1398{
1399 static char buffer[256];
1400 char *bp;
1401 ips_ha_t *ha;
1402
1403 METHOD_TRACE("ips_info", 1);
1404
1405 ha = IPS_HA(SH);
1406
1407 if (!ha)
1408 return (NULL);
1409
1410 bp = &buffer[0];
1411 memset(bp, 0, sizeof (buffer));
1412
1413 sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ",
1414 IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT);
1415
1416 if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) {
1417 strcat(bp, " <");
1418 strcat(bp, ips_adapter_name[ha->ad_type - 1]);
1419 strcat(bp, ">");
1420 }
1421
1422 return (bp);
1423}
1424
1425static int
1426ips_write_info(struct Scsi_Host *host, char *buffer, int length)
1427{
1428 int i;
1429 ips_ha_t *ha = NULL;
1430
1431 /* Find our host structure */
1432 for (i = 0; i < ips_next_controller; i++) {
1433 if (ips_sh[i]) {
1434 if (ips_sh[i] == host) {
1435 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1436 break;
1437 }
1438 }
1439 }
1440
1441 if (!ha)
1442 return (-EINVAL);
1443
1444 return 0;
1445}
1446
1447static int
1448ips_show_info(struct seq_file *m, struct Scsi_Host *host)
1449{
1450 int i;
1451 ips_ha_t *ha = NULL;
1452
1453 /* Find our host structure */
1454 for (i = 0; i < ips_next_controller; i++) {
1455 if (ips_sh[i]) {
1456 if (ips_sh[i] == host) {
1457 ha = (ips_ha_t *) ips_sh[i]->hostdata;
1458 break;
1459 }
1460 }
1461 }
1462
1463 if (!ha)
1464 return (-EINVAL);
1465
1466 return ips_host_info(ha, m);
1467}
1468
1469/*--------------------------------------------------------------------------*/
1470/* Helper Functions */
1471/*--------------------------------------------------------------------------*/
1472
1473/****************************************************************************/
1474/* */
1475/* Routine Name: ips_is_passthru */
1476/* */
1477/* Routine Description: */
1478/* */
1479/* Determine if the specified SCSI command is really a passthru command */
1480/* */
1481/****************************************************************************/
1482static int ips_is_passthru(struct scsi_cmnd *SC)
1483{
1484 unsigned long flags;
1485
1486 METHOD_TRACE("ips_is_passthru", 1);
1487
1488 if (!SC)
1489 return (0);
1490
1491 if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) &&
1492 (SC->device->channel == 0) &&
1493 (SC->device->id == IPS_ADAPTER_ID) &&
1494 (SC->device->lun == 0) && scsi_sglist(SC)) {
1495 struct scatterlist *sg = scsi_sglist(SC);
1496 char *buffer;
1497
1498 /* kmap_atomic() ensures addressability of the user buffer.*/
1499 /* local_irq_save() protects the KM_IRQ0 address slot. */
1500 local_irq_save(flags);
1501 buffer = kmap_atomic(sg_page(sg)) + sg->offset;
1502 if (buffer && buffer[0] == 'C' && buffer[1] == 'O' &&
1503 buffer[2] == 'P' && buffer[3] == 'P') {
1504 kunmap_atomic(buffer - sg->offset);
1505 local_irq_restore(flags);
1506 return 1;
1507 }
1508 kunmap_atomic(buffer - sg->offset);
1509 local_irq_restore(flags);
1510 }
1511 return 0;
1512}
1513
1514/****************************************************************************/
1515/* */
1516/* Routine Name: ips_alloc_passthru_buffer */
1517/* */
1518/* Routine Description: */
1519/* allocate a buffer large enough for the ioctl data if the ioctl buffer */
1520/* is too small or doesn't exist */
1521/****************************************************************************/
1522static int
1523ips_alloc_passthru_buffer(ips_ha_t * ha, int length)
1524{
1525 void *bigger_buf;
1526 dma_addr_t dma_busaddr;
1527
1528 if (ha->ioctl_data && length <= ha->ioctl_len)
1529 return 0;
1530 /* there is no buffer or it's not big enough, allocate a new one */
1531 bigger_buf = dma_alloc_coherent(&ha->pcidev->dev, length, &dma_busaddr,
1532 GFP_KERNEL);
1533 if (bigger_buf) {
1534 /* free the old memory */
1535 dma_free_coherent(&ha->pcidev->dev, ha->ioctl_len,
1536 ha->ioctl_data, ha->ioctl_busaddr);
1537 /* use the new memory */
1538 ha->ioctl_data = (char *) bigger_buf;
1539 ha->ioctl_len = length;
1540 ha->ioctl_busaddr = dma_busaddr;
1541 } else {
1542 return -1;
1543 }
1544 return 0;
1545}
1546
1547/****************************************************************************/
1548/* */
1549/* Routine Name: ips_make_passthru */
1550/* */
1551/* Routine Description: */
1552/* */
1553/* Make a passthru command out of the info in the Scsi block */
1554/* */
1555/****************************************************************************/
1556static int
1557ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr)
1558{
1559 ips_passthru_t *pt;
1560 int length = 0;
1561 int i, ret;
1562 struct scatterlist *sg = scsi_sglist(SC);
1563
1564 METHOD_TRACE("ips_make_passthru", 1);
1565
1566 scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i)
1567 length += sg->length;
1568
1569 if (length < sizeof (ips_passthru_t)) {
1570 /* wrong size */
1571 DEBUG_VAR(1, "(%s%d) Passthru structure wrong size",
1572 ips_name, ha->host_num);
1573 return (IPS_FAILURE);
1574 }
1575 if (ips_alloc_passthru_buffer(ha, length)) {
1576 /* allocation failure! If ha->ioctl_data exists, use it to return
1577 some error codes. Return a failed command to the scsi layer. */
1578 if (ha->ioctl_data) {
1579 pt = (ips_passthru_t *) ha->ioctl_data;
1580 ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t));
1581 pt->BasicStatus = 0x0B;
1582 pt->ExtendedStatus = 0x00;
1583 ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t));
1584 }
1585 return IPS_FAILURE;
1586 }
1587 ha->ioctl_datasize = length;
1588
1589 ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize);
1590 pt = (ips_passthru_t *) ha->ioctl_data;
1591
1592 /*
1593 * Some notes about the passthru interface used
1594 *
1595 * IF the scsi op_code == 0x0d then we assume
1596 * that the data came along with/goes with the
1597 * packet we received from the sg driver. In this
1598 * case the CmdBSize field of the pt structure is
1599 * used for the size of the buffer.
1600 */
1601
1602 switch (pt->CoppCmd) {
1603 case IPS_NUMCTRLS:
1604 memcpy(ha->ioctl_data + sizeof (ips_passthru_t),
1605 &ips_num_controllers, sizeof (int));
1606 ips_scmd_buf_write(SC, ha->ioctl_data,
1607 sizeof (ips_passthru_t) + sizeof (int));
1608 SC->result = DID_OK << 16;
1609
1610 return (IPS_SUCCESS_IMM);
1611
1612 case IPS_COPPUSRCMD:
1613 case IPS_COPPIOCCMD:
1614 if (SC->cmnd[0] == IPS_IOCTL_COMMAND) {
1615 if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) {
1616 /* wrong size */
1617 DEBUG_VAR(1,
1618 "(%s%d) Passthru structure wrong size",
1619 ips_name, ha->host_num);
1620
1621 return (IPS_FAILURE);
1622 }
1623
1624 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
1625 pt->CoppCP.cmd.flashfw.op_code ==
1626 IPS_CMD_RW_BIOSFW) {
1627 ret = ips_flash_copperhead(ha, pt, scb);
1628 ips_scmd_buf_write(SC, ha->ioctl_data,
1629 sizeof (ips_passthru_t));
1630 return ret;
1631 }
1632 if (ips_usrcmd(ha, pt, scb))
1633 return (IPS_SUCCESS);
1634 else
1635 return (IPS_FAILURE);
1636 }
1637
1638 break;
1639
1640 } /* end switch */
1641
1642 return (IPS_FAILURE);
1643}
1644
1645/****************************************************************************/
1646/* Routine Name: ips_flash_copperhead */
1647/* Routine Description: */
1648/* Flash the BIOS/FW on a Copperhead style controller */
1649/****************************************************************************/
1650static int
1651ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1652{
1653 int datasize;
1654
1655 /* Trombone is the only copperhead that can do packet flash, but only
1656 * for firmware. No one said it had to make sense. */
1657 if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) {
1658 if (ips_usrcmd(ha, pt, scb))
1659 return IPS_SUCCESS;
1660 else
1661 return IPS_FAILURE;
1662 }
1663 pt->BasicStatus = 0x0B;
1664 pt->ExtendedStatus = 0;
1665 scb->scsi_cmd->result = DID_OK << 16;
1666 /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */
1667 /* avoid allocating a huge buffer per adapter ( which can fail ). */
1668 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1669 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1670 pt->BasicStatus = 0;
1671 return ips_flash_bios(ha, pt, scb);
1672 } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) {
1673 if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){
1674 ha->flash_data = ips_FlashData;
1675 ha->flash_busaddr = ips_flashbusaddr;
1676 ha->flash_len = PAGE_SIZE << 7;
1677 ha->flash_datasize = 0;
1678 } else if (!ha->flash_data) {
1679 datasize = pt->CoppCP.cmd.flashfw.total_packets *
1680 pt->CoppCP.cmd.flashfw.count;
1681 ha->flash_data = dma_alloc_coherent(&ha->pcidev->dev,
1682 datasize, &ha->flash_busaddr, GFP_KERNEL);
1683 if (!ha->flash_data){
1684 printk(KERN_WARNING "Unable to allocate a flash buffer\n");
1685 return IPS_FAILURE;
1686 }
1687 ha->flash_datasize = 0;
1688 ha->flash_len = datasize;
1689 } else
1690 return IPS_FAILURE;
1691 } else {
1692 if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize >
1693 ha->flash_len) {
1694 ips_free_flash_copperhead(ha);
1695 IPS_PRINTK(KERN_WARNING, ha->pcidev,
1696 "failed size sanity check\n");
1697 return IPS_FAILURE;
1698 }
1699 }
1700 if (!ha->flash_data)
1701 return IPS_FAILURE;
1702 pt->BasicStatus = 0;
1703 memcpy(&ha->flash_data[ha->flash_datasize], pt + 1,
1704 pt->CoppCP.cmd.flashfw.count);
1705 ha->flash_datasize += pt->CoppCP.cmd.flashfw.count;
1706 if (pt->CoppCP.cmd.flashfw.packet_num ==
1707 pt->CoppCP.cmd.flashfw.total_packets - 1) {
1708 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE)
1709 return ips_flash_bios(ha, pt, scb);
1710 else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE)
1711 return ips_flash_firmware(ha, pt, scb);
1712 }
1713 return IPS_SUCCESS_IMM;
1714}
1715
1716/****************************************************************************/
1717/* Routine Name: ips_flash_bios */
1718/* Routine Description: */
1719/* flashes the bios of a copperhead adapter */
1720/****************************************************************************/
1721static int
1722ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1723{
1724
1725 if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1726 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) {
1727 if ((!ha->func.programbios) || (!ha->func.erasebios) ||
1728 (!ha->func.verifybios))
1729 goto error;
1730 if ((*ha->func.erasebios) (ha)) {
1731 DEBUG_VAR(1,
1732 "(%s%d) flash bios failed - unable to erase flash",
1733 ips_name, ha->host_num);
1734 goto error;
1735 } else
1736 if ((*ha->func.programbios) (ha,
1737 ha->flash_data +
1738 IPS_BIOS_HEADER,
1739 ha->flash_datasize -
1740 IPS_BIOS_HEADER, 0)) {
1741 DEBUG_VAR(1,
1742 "(%s%d) flash bios failed - unable to flash",
1743 ips_name, ha->host_num);
1744 goto error;
1745 } else
1746 if ((*ha->func.verifybios) (ha,
1747 ha->flash_data +
1748 IPS_BIOS_HEADER,
1749 ha->flash_datasize -
1750 IPS_BIOS_HEADER, 0)) {
1751 DEBUG_VAR(1,
1752 "(%s%d) flash bios failed - unable to verify flash",
1753 ips_name, ha->host_num);
1754 goto error;
1755 }
1756 ips_free_flash_copperhead(ha);
1757 return IPS_SUCCESS_IMM;
1758 } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE &&
1759 pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) {
1760 if (!ha->func.erasebios)
1761 goto error;
1762 if ((*ha->func.erasebios) (ha)) {
1763 DEBUG_VAR(1,
1764 "(%s%d) flash bios failed - unable to erase flash",
1765 ips_name, ha->host_num);
1766 goto error;
1767 }
1768 return IPS_SUCCESS_IMM;
1769 }
1770 error:
1771 pt->BasicStatus = 0x0B;
1772 pt->ExtendedStatus = 0x00;
1773 ips_free_flash_copperhead(ha);
1774 return IPS_FAILURE;
1775}
1776
1777/****************************************************************************/
1778/* */
1779/* Routine Name: ips_fill_scb_sg_single */
1780/* */
1781/* Routine Description: */
1782/* Fill in a single scb sg_list element from an address */
1783/* return a -1 if a breakup occurred */
1784/****************************************************************************/
1785static int
1786ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr,
1787 ips_scb_t * scb, int indx, unsigned int e_len)
1788{
1789
1790 int ret_val = 0;
1791
1792 if ((scb->data_len + e_len) > ha->max_xfer) {
1793 e_len = ha->max_xfer - scb->data_len;
1794 scb->breakup = indx;
1795 ++scb->sg_break;
1796 ret_val = -1;
1797 } else {
1798 scb->breakup = 0;
1799 scb->sg_break = 0;
1800 }
1801 if (IPS_USE_ENH_SGLIST(ha)) {
1802 scb->sg_list.enh_list[indx].address_lo =
1803 cpu_to_le32(lower_32_bits(busaddr));
1804 scb->sg_list.enh_list[indx].address_hi =
1805 cpu_to_le32(upper_32_bits(busaddr));
1806 scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len);
1807 } else {
1808 scb->sg_list.std_list[indx].address =
1809 cpu_to_le32(lower_32_bits(busaddr));
1810 scb->sg_list.std_list[indx].length = cpu_to_le32(e_len);
1811 }
1812
1813 ++scb->sg_len;
1814 scb->data_len += e_len;
1815 return ret_val;
1816}
1817
1818/****************************************************************************/
1819/* Routine Name: ips_flash_firmware */
1820/* Routine Description: */
1821/* flashes the firmware of a copperhead adapter */
1822/****************************************************************************/
1823static int
1824ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1825{
1826 IPS_SG_LIST sg_list;
1827 uint32_t cmd_busaddr;
1828
1829 if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE &&
1830 pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) {
1831 memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND));
1832 pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD;
1833 pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize);
1834 } else {
1835 pt->BasicStatus = 0x0B;
1836 pt->ExtendedStatus = 0x00;
1837 ips_free_flash_copperhead(ha);
1838 return IPS_FAILURE;
1839 }
1840 /* Save the S/G list pointer so it doesn't get clobbered */
1841 sg_list.list = scb->sg_list.list;
1842 cmd_busaddr = scb->scb_busaddr;
1843 /* copy in the CP */
1844 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1845 /* FIX stuff that might be wrong */
1846 scb->sg_list.list = sg_list.list;
1847 scb->scb_busaddr = cmd_busaddr;
1848 scb->bus = scb->scsi_cmd->device->channel;
1849 scb->target_id = scb->scsi_cmd->device->id;
1850 scb->lun = scb->scsi_cmd->device->lun;
1851 scb->sg_len = 0;
1852 scb->data_len = 0;
1853 scb->flags = 0;
1854 scb->op_code = 0;
1855 scb->callback = ipsintr_done;
1856 scb->timeout = ips_cmd_timeout;
1857
1858 scb->data_len = ha->flash_datasize;
1859 scb->data_busaddr =
1860 dma_map_single(&ha->pcidev->dev, ha->flash_data, scb->data_len,
1861 IPS_DMA_DIR(scb));
1862 scb->flags |= IPS_SCB_MAP_SINGLE;
1863 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
1864 scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr);
1865 if (pt->TimeOut)
1866 scb->timeout = pt->TimeOut;
1867 scb->scsi_cmd->result = DID_OK << 16;
1868 return IPS_SUCCESS;
1869}
1870
1871/****************************************************************************/
1872/* Routine Name: ips_free_flash_copperhead */
1873/* Routine Description: */
1874/* release the memory resources used to hold the flash image */
1875/****************************************************************************/
1876static void
1877ips_free_flash_copperhead(ips_ha_t * ha)
1878{
1879 if (ha->flash_data == ips_FlashData)
1880 test_and_clear_bit(0, &ips_FlashDataInUse);
1881 else if (ha->flash_data)
1882 dma_free_coherent(&ha->pcidev->dev, ha->flash_len,
1883 ha->flash_data, ha->flash_busaddr);
1884 ha->flash_data = NULL;
1885}
1886
1887/****************************************************************************/
1888/* */
1889/* Routine Name: ips_usrcmd */
1890/* */
1891/* Routine Description: */
1892/* */
1893/* Process a user command and make it ready to send */
1894/* */
1895/****************************************************************************/
1896static int
1897ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb)
1898{
1899 IPS_SG_LIST sg_list;
1900 uint32_t cmd_busaddr;
1901
1902 METHOD_TRACE("ips_usrcmd", 1);
1903
1904 if ((!scb) || (!pt) || (!ha))
1905 return (0);
1906
1907 /* Save the S/G list pointer so it doesn't get clobbered */
1908 sg_list.list = scb->sg_list.list;
1909 cmd_busaddr = scb->scb_busaddr;
1910 /* copy in the CP */
1911 memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD));
1912 memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE));
1913
1914 /* FIX stuff that might be wrong */
1915 scb->sg_list.list = sg_list.list;
1916 scb->scb_busaddr = cmd_busaddr;
1917 scb->bus = scb->scsi_cmd->device->channel;
1918 scb->target_id = scb->scsi_cmd->device->id;
1919 scb->lun = scb->scsi_cmd->device->lun;
1920 scb->sg_len = 0;
1921 scb->data_len = 0;
1922 scb->flags = 0;
1923 scb->op_code = 0;
1924 scb->callback = ipsintr_done;
1925 scb->timeout = ips_cmd_timeout;
1926 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
1927
1928 /* we don't support DCDB/READ/WRITE Scatter Gather */
1929 if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) ||
1930 (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) ||
1931 (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG))
1932 return (0);
1933
1934 if (pt->CmdBSize) {
1935 scb->data_len = pt->CmdBSize;
1936 scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t);
1937 } else {
1938 scb->data_busaddr = 0L;
1939 }
1940
1941 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1942 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
1943 (unsigned long) &scb->
1944 dcdb -
1945 (unsigned long) scb);
1946
1947 if (pt->CmdBSize) {
1948 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB)
1949 scb->dcdb.buffer_pointer =
1950 cpu_to_le32(scb->data_busaddr);
1951 else
1952 scb->cmd.basic_io.sg_addr =
1953 cpu_to_le32(scb->data_busaddr);
1954 }
1955
1956 /* set timeouts */
1957 if (pt->TimeOut) {
1958 scb->timeout = pt->TimeOut;
1959
1960 if (pt->TimeOut <= 10)
1961 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10;
1962 else if (pt->TimeOut <= 60)
1963 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60;
1964 else
1965 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M;
1966 }
1967
1968 /* assume success */
1969 scb->scsi_cmd->result = DID_OK << 16;
1970
1971 /* success */
1972 return (1);
1973}
1974
1975/****************************************************************************/
1976/* */
1977/* Routine Name: ips_cleanup_passthru */
1978/* */
1979/* Routine Description: */
1980/* */
1981/* Cleanup after a passthru command */
1982/* */
1983/****************************************************************************/
1984static void
1985ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb)
1986{
1987 ips_passthru_t *pt;
1988
1989 METHOD_TRACE("ips_cleanup_passthru", 1);
1990
1991 if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) {
1992 DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru",
1993 ips_name, ha->host_num);
1994
1995 return;
1996 }
1997 pt = (ips_passthru_t *) ha->ioctl_data;
1998
1999 /* Copy data back to the user */
2000 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */
2001 memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE));
2002
2003 pt->BasicStatus = scb->basic_status;
2004 pt->ExtendedStatus = scb->extended_status;
2005 pt->AdapterType = ha->ad_type;
2006
2007 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD &&
2008 (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD ||
2009 scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW))
2010 ips_free_flash_copperhead(ha);
2011
2012 ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize);
2013}
2014
2015/****************************************************************************/
2016/* */
2017/* Routine Name: ips_host_info */
2018/* */
2019/* Routine Description: */
2020/* */
2021/* The passthru interface for the driver */
2022/* */
2023/****************************************************************************/
2024static int
2025ips_host_info(ips_ha_t *ha, struct seq_file *m)
2026{
2027 METHOD_TRACE("ips_host_info", 1);
2028
2029 seq_puts(m, "\nIBM ServeRAID General Information:\n\n");
2030
2031 if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) &&
2032 (le16_to_cpu(ha->nvram->adapter_type) != 0))
2033 seq_printf(m, "\tController Type : %s\n",
2034 ips_adapter_name[ha->ad_type - 1]);
2035 else
2036 seq_puts(m, "\tController Type : Unknown\n");
2037
2038 if (ha->io_addr)
2039 seq_printf(m,
2040 "\tIO region : 0x%x (%d bytes)\n",
2041 ha->io_addr, ha->io_len);
2042
2043 if (ha->mem_addr) {
2044 seq_printf(m,
2045 "\tMemory region : 0x%x (%d bytes)\n",
2046 ha->mem_addr, ha->mem_len);
2047 seq_printf(m,
2048 "\tShared memory address : 0x%lx\n",
2049 (unsigned long)ha->mem_ptr);
2050 }
2051
2052 seq_printf(m, "\tIRQ number : %d\n", ha->pcidev->irq);
2053
2054 /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */
2055 /* That keeps everything happy for "text" operations on the proc file. */
2056
2057 if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) {
2058 if (ha->nvram->bios_low[3] == 0) {
2059 seq_printf(m,
2060 "\tBIOS Version : %c%c%c%c%c%c%c\n",
2061 ha->nvram->bios_high[0], ha->nvram->bios_high[1],
2062 ha->nvram->bios_high[2], ha->nvram->bios_high[3],
2063 ha->nvram->bios_low[0], ha->nvram->bios_low[1],
2064 ha->nvram->bios_low[2]);
2065
2066 } else {
2067 seq_printf(m,
2068 "\tBIOS Version : %c%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], ha->nvram->bios_low[3]);
2073 }
2074
2075 }
2076
2077 if (ha->enq->CodeBlkVersion[7] == 0) {
2078 seq_printf(m,
2079 "\tFirmware Version : %c%c%c%c%c%c%c\n",
2080 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2081 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2082 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2083 ha->enq->CodeBlkVersion[6]);
2084 } else {
2085 seq_printf(m,
2086 "\tFirmware Version : %c%c%c%c%c%c%c%c\n",
2087 ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1],
2088 ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3],
2089 ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5],
2090 ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]);
2091 }
2092
2093 if (ha->enq->BootBlkVersion[7] == 0) {
2094 seq_printf(m,
2095 "\tBoot Block Version : %c%c%c%c%c%c%c\n",
2096 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2097 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2098 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2099 ha->enq->BootBlkVersion[6]);
2100 } else {
2101 seq_printf(m,
2102 "\tBoot Block Version : %c%c%c%c%c%c%c%c\n",
2103 ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1],
2104 ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3],
2105 ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5],
2106 ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]);
2107 }
2108
2109 seq_printf(m, "\tDriver Version : %s%s\n",
2110 IPS_VERSION_HIGH, IPS_VERSION_LOW);
2111
2112 seq_printf(m, "\tDriver Build : %d\n",
2113 IPS_BUILD_IDENT);
2114
2115 seq_printf(m, "\tMax Physical Devices : %d\n",
2116 ha->enq->ucMaxPhysicalDevices);
2117 seq_printf(m, "\tMax Active Commands : %d\n",
2118 ha->max_cmds);
2119 seq_printf(m, "\tCurrent Queued Commands : %d\n",
2120 ha->scb_waitlist.count);
2121 seq_printf(m, "\tCurrent Active Commands : %d\n",
2122 ha->scb_activelist.count - ha->num_ioctl);
2123 seq_printf(m, "\tCurrent Queued PT Commands : %d\n",
2124 ha->copp_waitlist.count);
2125 seq_printf(m, "\tCurrent Active PT Commands : %d\n",
2126 ha->num_ioctl);
2127
2128 seq_putc(m, '\n');
2129
2130 return 0;
2131}
2132
2133/****************************************************************************/
2134/* */
2135/* Routine Name: ips_identify_controller */
2136/* */
2137/* Routine Description: */
2138/* */
2139/* Identify this controller */
2140/* */
2141/****************************************************************************/
2142static void
2143ips_identify_controller(ips_ha_t * ha)
2144{
2145 METHOD_TRACE("ips_identify_controller", 1);
2146
2147 switch (ha->pcidev->device) {
2148 case IPS_DEVICEID_COPPERHEAD:
2149 if (ha->pcidev->revision <= IPS_REVID_SERVERAID) {
2150 ha->ad_type = IPS_ADTYPE_SERVERAID;
2151 } else if (ha->pcidev->revision == IPS_REVID_SERVERAID2) {
2152 ha->ad_type = IPS_ADTYPE_SERVERAID2;
2153 } else if (ha->pcidev->revision == IPS_REVID_NAVAJO) {
2154 ha->ad_type = IPS_ADTYPE_NAVAJO;
2155 } else if ((ha->pcidev->revision == IPS_REVID_SERVERAID2)
2156 && (ha->slot_num == 0)) {
2157 ha->ad_type = IPS_ADTYPE_KIOWA;
2158 } else if ((ha->pcidev->revision >= IPS_REVID_CLARINETP1) &&
2159 (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) {
2160 if (ha->enq->ucMaxPhysicalDevices == 15)
2161 ha->ad_type = IPS_ADTYPE_SERVERAID3L;
2162 else
2163 ha->ad_type = IPS_ADTYPE_SERVERAID3;
2164 } else if ((ha->pcidev->revision >= IPS_REVID_TROMBONE32) &&
2165 (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) {
2166 ha->ad_type = IPS_ADTYPE_SERVERAID4H;
2167 }
2168 break;
2169
2170 case IPS_DEVICEID_MORPHEUS:
2171 switch (ha->pcidev->subsystem_device) {
2172 case IPS_SUBDEVICEID_4L:
2173 ha->ad_type = IPS_ADTYPE_SERVERAID4L;
2174 break;
2175
2176 case IPS_SUBDEVICEID_4M:
2177 ha->ad_type = IPS_ADTYPE_SERVERAID4M;
2178 break;
2179
2180 case IPS_SUBDEVICEID_4MX:
2181 ha->ad_type = IPS_ADTYPE_SERVERAID4MX;
2182 break;
2183
2184 case IPS_SUBDEVICEID_4LX:
2185 ha->ad_type = IPS_ADTYPE_SERVERAID4LX;
2186 break;
2187
2188 case IPS_SUBDEVICEID_5I2:
2189 ha->ad_type = IPS_ADTYPE_SERVERAID5I2;
2190 break;
2191
2192 case IPS_SUBDEVICEID_5I1:
2193 ha->ad_type = IPS_ADTYPE_SERVERAID5I1;
2194 break;
2195 }
2196
2197 break;
2198
2199 case IPS_DEVICEID_MARCO:
2200 switch (ha->pcidev->subsystem_device) {
2201 case IPS_SUBDEVICEID_6M:
2202 ha->ad_type = IPS_ADTYPE_SERVERAID6M;
2203 break;
2204 case IPS_SUBDEVICEID_6I:
2205 ha->ad_type = IPS_ADTYPE_SERVERAID6I;
2206 break;
2207 case IPS_SUBDEVICEID_7k:
2208 ha->ad_type = IPS_ADTYPE_SERVERAID7k;
2209 break;
2210 case IPS_SUBDEVICEID_7M:
2211 ha->ad_type = IPS_ADTYPE_SERVERAID7M;
2212 break;
2213 }
2214 break;
2215 }
2216}
2217
2218/****************************************************************************/
2219/* */
2220/* Routine Name: ips_get_bios_version */
2221/* */
2222/* Routine Description: */
2223/* */
2224/* Get the BIOS revision number */
2225/* */
2226/****************************************************************************/
2227static void
2228ips_get_bios_version(ips_ha_t * ha, int intr)
2229{
2230 ips_scb_t *scb;
2231 int ret;
2232 uint8_t major;
2233 uint8_t minor;
2234 uint8_t subminor;
2235 uint8_t *buffer;
2236
2237 METHOD_TRACE("ips_get_bios_version", 1);
2238
2239 major = 0;
2240 minor = 0;
2241
2242 strncpy(ha->bios_version, " ?", 8);
2243
2244 if (ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) {
2245 if (IPS_USE_MEMIO(ha)) {
2246 /* Memory Mapped I/O */
2247
2248 /* test 1st byte */
2249 writel(0, ha->mem_ptr + IPS_REG_FLAP);
2250 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2251 udelay(25); /* 25 us */
2252
2253 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55)
2254 return;
2255
2256 writel(1, ha->mem_ptr + IPS_REG_FLAP);
2257 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2258 udelay(25); /* 25 us */
2259
2260 if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA)
2261 return;
2262
2263 /* Get Major version */
2264 writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP);
2265 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2266 udelay(25); /* 25 us */
2267
2268 major = readb(ha->mem_ptr + IPS_REG_FLDP);
2269
2270 /* Get Minor version */
2271 writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP);
2272 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2273 udelay(25); /* 25 us */
2274 minor = readb(ha->mem_ptr + IPS_REG_FLDP);
2275
2276 /* Get SubMinor version */
2277 writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP);
2278 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2279 udelay(25); /* 25 us */
2280 subminor = readb(ha->mem_ptr + IPS_REG_FLDP);
2281
2282 } else {
2283 /* Programmed I/O */
2284
2285 /* test 1st byte */
2286 outl(0, ha->io_addr + IPS_REG_FLAP);
2287 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2288 udelay(25); /* 25 us */
2289
2290 if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55)
2291 return;
2292
2293 outl(1, ha->io_addr + IPS_REG_FLAP);
2294 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2295 udelay(25); /* 25 us */
2296
2297 if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA)
2298 return;
2299
2300 /* Get Major version */
2301 outl(0x1FF, ha->io_addr + IPS_REG_FLAP);
2302 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2303 udelay(25); /* 25 us */
2304
2305 major = inb(ha->io_addr + IPS_REG_FLDP);
2306
2307 /* Get Minor version */
2308 outl(0x1FE, ha->io_addr + IPS_REG_FLAP);
2309 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2310 udelay(25); /* 25 us */
2311
2312 minor = inb(ha->io_addr + IPS_REG_FLDP);
2313
2314 /* Get SubMinor version */
2315 outl(0x1FD, ha->io_addr + IPS_REG_FLAP);
2316 if (ha->pcidev->revision == IPS_REVID_TROMBONE64)
2317 udelay(25); /* 25 us */
2318
2319 subminor = inb(ha->io_addr + IPS_REG_FLDP);
2320
2321 }
2322 } else {
2323 /* Morpheus Family - Send Command to the card */
2324
2325 buffer = ha->ioctl_data;
2326
2327 memset(buffer, 0, 0x1000);
2328
2329 scb = &ha->scbs[ha->max_cmds - 1];
2330
2331 ips_init_scb(ha, scb);
2332
2333 scb->timeout = ips_cmd_timeout;
2334 scb->cdb[0] = IPS_CMD_RW_BIOSFW;
2335
2336 scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW;
2337 scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb);
2338 scb->cmd.flashfw.type = 1;
2339 scb->cmd.flashfw.direction = 0;
2340 scb->cmd.flashfw.count = cpu_to_le32(0x800);
2341 scb->cmd.flashfw.total_packets = 1;
2342 scb->cmd.flashfw.packet_num = 0;
2343 scb->data_len = 0x1000;
2344 scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr;
2345
2346 /* issue the command */
2347 if (((ret =
2348 ips_send_wait(ha, scb, ips_cmd_timeout,
2349 intr)) == IPS_FAILURE)
2350 || (ret == IPS_SUCCESS_IMM)
2351 || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) {
2352 /* Error occurred */
2353
2354 return;
2355 }
2356
2357 if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) {
2358 major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */
2359 minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */
2360 subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */
2361 } else {
2362 return;
2363 }
2364 }
2365
2366 ha->bios_version[0] = hex_asc_upper_hi(major);
2367 ha->bios_version[1] = '.';
2368 ha->bios_version[2] = hex_asc_upper_lo(major);
2369 ha->bios_version[3] = hex_asc_upper_lo(subminor);
2370 ha->bios_version[4] = '.';
2371 ha->bios_version[5] = hex_asc_upper_hi(minor);
2372 ha->bios_version[6] = hex_asc_upper_lo(minor);
2373 ha->bios_version[7] = 0;
2374}
2375
2376/****************************************************************************/
2377/* */
2378/* Routine Name: ips_hainit */
2379/* */
2380/* Routine Description: */
2381/* */
2382/* Initialize the controller */
2383/* */
2384/* NOTE: Assumes to be called from with a lock */
2385/* */
2386/****************************************************************************/
2387static int
2388ips_hainit(ips_ha_t * ha)
2389{
2390 int i;
2391
2392 METHOD_TRACE("ips_hainit", 1);
2393
2394 if (!ha)
2395 return (0);
2396
2397 if (ha->func.statinit)
2398 (*ha->func.statinit) (ha);
2399
2400 if (ha->func.enableint)
2401 (*ha->func.enableint) (ha);
2402
2403 /* Send FFDC */
2404 ha->reset_count = 1;
2405 ha->last_ffdc = ktime_get_real_seconds();
2406 ips_ffdc_reset(ha, IPS_INTR_IORL);
2407
2408 if (!ips_read_config(ha, IPS_INTR_IORL)) {
2409 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2410 "unable to read config from controller.\n");
2411
2412 return (0);
2413 }
2414 /* end if */
2415 if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) {
2416 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2417 "unable to read controller status.\n");
2418
2419 return (0);
2420 }
2421
2422 /* Identify this controller */
2423 ips_identify_controller(ha);
2424
2425 if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) {
2426 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2427 "unable to read subsystem parameters.\n");
2428
2429 return (0);
2430 }
2431
2432 /* write nvram user page 5 */
2433 if (!ips_write_driver_status(ha, IPS_INTR_IORL)) {
2434 IPS_PRINTK(KERN_WARNING, ha->pcidev,
2435 "unable to write driver info to controller.\n");
2436
2437 return (0);
2438 }
2439
2440 /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */
2441 if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1))
2442 ips_clear_adapter(ha, IPS_INTR_IORL);
2443
2444 /* set limits on SID, LUN, BUS */
2445 ha->ntargets = IPS_MAX_TARGETS + 1;
2446 ha->nlun = 1;
2447 ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1;
2448
2449 switch (ha->conf->logical_drive[0].ucStripeSize) {
2450 case 4:
2451 ha->max_xfer = 0x10000;
2452 break;
2453
2454 case 5:
2455 ha->max_xfer = 0x20000;
2456 break;
2457
2458 case 6:
2459 ha->max_xfer = 0x40000;
2460 break;
2461
2462 case 7:
2463 default:
2464 ha->max_xfer = 0x80000;
2465 break;
2466 }
2467
2468 /* setup max concurrent commands */
2469 if (le32_to_cpu(ha->subsys->param[4]) & 0x1) {
2470 /* Use the new method */
2471 ha->max_cmds = ha->enq->ucConcurrentCmdCount;
2472 } else {
2473 /* use the old method */
2474 switch (ha->conf->logical_drive[0].ucStripeSize) {
2475 case 4:
2476 ha->max_cmds = 32;
2477 break;
2478
2479 case 5:
2480 ha->max_cmds = 16;
2481 break;
2482
2483 case 6:
2484 ha->max_cmds = 8;
2485 break;
2486
2487 case 7:
2488 default:
2489 ha->max_cmds = 4;
2490 break;
2491 }
2492 }
2493
2494 /* Limit the Active Commands on a Lite Adapter */
2495 if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) ||
2496 (ha->ad_type == IPS_ADTYPE_SERVERAID4L) ||
2497 (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) {
2498 if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds))
2499 ha->max_cmds = MaxLiteCmds;
2500 }
2501
2502 /* set controller IDs */
2503 ha->ha_id[0] = IPS_ADAPTER_ID;
2504 for (i = 1; i < ha->nbus; i++) {
2505 ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f;
2506 ha->dcdb_active[i - 1] = 0;
2507 }
2508
2509 return (1);
2510}
2511
2512/****************************************************************************/
2513/* */
2514/* Routine Name: ips_next */
2515/* */
2516/* Routine Description: */
2517/* */
2518/* Take the next command off the queue and send it to the controller */
2519/* */
2520/****************************************************************************/
2521static void
2522ips_next(ips_ha_t * ha, int intr)
2523{
2524 ips_scb_t *scb;
2525 struct scsi_cmnd *SC;
2526 struct scsi_cmnd *p;
2527 struct scsi_cmnd *q;
2528 ips_copp_wait_item_t *item;
2529 int ret;
2530 struct Scsi_Host *host;
2531 METHOD_TRACE("ips_next", 1);
2532
2533 if (!ha)
2534 return;
2535 host = ips_sh[ha->host_num];
2536 /*
2537 * Block access to the queue function so
2538 * this command won't time out
2539 */
2540 if (intr == IPS_INTR_ON)
2541 spin_lock(host->host_lock);
2542
2543 if ((ha->subsys->param[3] & 0x300000)
2544 && (ha->scb_activelist.count == 0)) {
2545 time64_t now = ktime_get_real_seconds();
2546 if (now - ha->last_ffdc > IPS_SECS_8HOURS) {
2547 ha->last_ffdc = now;
2548 ips_ffdc_time(ha);
2549 }
2550 }
2551
2552 /*
2553 * Send passthru commands
2554 * These have priority over normal I/O
2555 * but shouldn't affect performance too much
2556 * since we limit the number that can be active
2557 * on the card at any one time
2558 */
2559 while ((ha->num_ioctl < IPS_MAX_IOCTL) &&
2560 (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) {
2561
2562 item = ips_removeq_copp_head(&ha->copp_waitlist);
2563 ha->num_ioctl++;
2564 if (intr == IPS_INTR_ON)
2565 spin_unlock(host->host_lock);
2566 scb->scsi_cmd = item->scsi_cmd;
2567 kfree(item);
2568
2569 ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr);
2570
2571 if (intr == IPS_INTR_ON)
2572 spin_lock(host->host_lock);
2573 switch (ret) {
2574 case IPS_FAILURE:
2575 if (scb->scsi_cmd) {
2576 scb->scsi_cmd->result = DID_ERROR << 16;
2577 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2578 }
2579
2580 ips_freescb(ha, scb);
2581 break;
2582 case IPS_SUCCESS_IMM:
2583 if (scb->scsi_cmd) {
2584 scb->scsi_cmd->result = DID_OK << 16;
2585 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2586 }
2587
2588 ips_freescb(ha, scb);
2589 break;
2590 default:
2591 break;
2592 } /* end case */
2593
2594 if (ret != IPS_SUCCESS) {
2595 ha->num_ioctl--;
2596 continue;
2597 }
2598
2599 ret = ips_send_cmd(ha, scb);
2600
2601 if (ret == IPS_SUCCESS)
2602 ips_putq_scb_head(&ha->scb_activelist, scb);
2603 else
2604 ha->num_ioctl--;
2605
2606 switch (ret) {
2607 case IPS_FAILURE:
2608 if (scb->scsi_cmd) {
2609 scb->scsi_cmd->result = DID_ERROR << 16;
2610 }
2611
2612 ips_freescb(ha, scb);
2613 break;
2614 case IPS_SUCCESS_IMM:
2615 ips_freescb(ha, scb);
2616 break;
2617 default:
2618 break;
2619 } /* end case */
2620
2621 }
2622
2623 /*
2624 * Send "Normal" I/O commands
2625 */
2626
2627 p = ha->scb_waitlist.head;
2628 while ((p) && (scb = ips_getscb(ha))) {
2629 if ((scmd_channel(p) > 0)
2630 && (ha->
2631 dcdb_active[scmd_channel(p) -
2632 1] & (1 << scmd_id(p)))) {
2633 ips_freescb(ha, scb);
2634 p = (struct scsi_cmnd *) p->host_scribble;
2635 continue;
2636 }
2637
2638 q = p;
2639 SC = ips_removeq_wait(&ha->scb_waitlist, q);
2640
2641 if (intr == IPS_INTR_ON)
2642 spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */
2643
2644 SC->result = DID_OK;
2645 SC->host_scribble = NULL;
2646
2647 scb->target_id = SC->device->id;
2648 scb->lun = SC->device->lun;
2649 scb->bus = SC->device->channel;
2650 scb->scsi_cmd = SC;
2651 scb->breakup = 0;
2652 scb->data_len = 0;
2653 scb->callback = ipsintr_done;
2654 scb->timeout = ips_cmd_timeout;
2655 memset(&scb->cmd, 0, 16);
2656
2657 /* copy in the CDB */
2658 memcpy(scb->cdb, SC->cmnd, SC->cmd_len);
2659
2660 scb->sg_count = scsi_dma_map(SC);
2661 BUG_ON(scb->sg_count < 0);
2662 if (scb->sg_count) {
2663 struct scatterlist *sg;
2664 int i;
2665
2666 scb->flags |= IPS_SCB_MAP_SG;
2667
2668 scsi_for_each_sg(SC, sg, scb->sg_count, i) {
2669 if (ips_fill_scb_sg_single
2670 (ha, sg_dma_address(sg), scb, i,
2671 sg_dma_len(sg)) < 0)
2672 break;
2673 }
2674 scb->dcdb.transfer_length = scb->data_len;
2675 } else {
2676 scb->data_busaddr = 0L;
2677 scb->sg_len = 0;
2678 scb->data_len = 0;
2679 scb->dcdb.transfer_length = 0;
2680 }
2681
2682 scb->dcdb.cmd_attribute =
2683 ips_command_direction[scb->scsi_cmd->cmnd[0]];
2684
2685 /* Allow a WRITE BUFFER Command to Have no Data */
2686 /* This is Used by Tape Flash Utilites */
2687 if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) &&
2688 (scb->data_len == 0))
2689 scb->dcdb.cmd_attribute = 0;
2690
2691 if (!(scb->dcdb.cmd_attribute & 0x3))
2692 scb->dcdb.transfer_length = 0;
2693
2694 if (scb->data_len >= IPS_MAX_XFER) {
2695 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
2696 scb->dcdb.transfer_length = 0;
2697 }
2698 if (intr == IPS_INTR_ON)
2699 spin_lock(host->host_lock);
2700
2701 ret = ips_send_cmd(ha, scb);
2702
2703 switch (ret) {
2704 case IPS_SUCCESS:
2705 ips_putq_scb_head(&ha->scb_activelist, scb);
2706 break;
2707 case IPS_FAILURE:
2708 if (scb->scsi_cmd) {
2709 scb->scsi_cmd->result = DID_ERROR << 16;
2710 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2711 }
2712
2713 if (scb->bus)
2714 ha->dcdb_active[scb->bus - 1] &=
2715 ~(1 << scb->target_id);
2716
2717 ips_freescb(ha, scb);
2718 break;
2719 case IPS_SUCCESS_IMM:
2720 if (scb->scsi_cmd)
2721 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
2722
2723 if (scb->bus)
2724 ha->dcdb_active[scb->bus - 1] &=
2725 ~(1 << scb->target_id);
2726
2727 ips_freescb(ha, scb);
2728 break;
2729 default:
2730 break;
2731 } /* end case */
2732
2733 p = (struct scsi_cmnd *) p->host_scribble;
2734
2735 } /* end while */
2736
2737 if (intr == IPS_INTR_ON)
2738 spin_unlock(host->host_lock);
2739}
2740
2741/****************************************************************************/
2742/* */
2743/* Routine Name: ips_putq_scb_head */
2744/* */
2745/* Routine Description: */
2746/* */
2747/* Add an item to the head of the queue */
2748/* */
2749/* ASSUMED to be called from within the HA lock */
2750/* */
2751/****************************************************************************/
2752static void
2753ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item)
2754{
2755 METHOD_TRACE("ips_putq_scb_head", 1);
2756
2757 if (!item)
2758 return;
2759
2760 item->q_next = queue->head;
2761 queue->head = item;
2762
2763 if (!queue->tail)
2764 queue->tail = item;
2765
2766 queue->count++;
2767}
2768
2769/****************************************************************************/
2770/* */
2771/* Routine Name: ips_removeq_scb_head */
2772/* */
2773/* Routine Description: */
2774/* */
2775/* Remove the head of the queue */
2776/* */
2777/* ASSUMED to be called from within the HA lock */
2778/* */
2779/****************************************************************************/
2780static ips_scb_t *
2781ips_removeq_scb_head(ips_scb_queue_t * queue)
2782{
2783 ips_scb_t *item;
2784
2785 METHOD_TRACE("ips_removeq_scb_head", 1);
2786
2787 item = queue->head;
2788
2789 if (!item) {
2790 return (NULL);
2791 }
2792
2793 queue->head = item->q_next;
2794 item->q_next = NULL;
2795
2796 if (queue->tail == item)
2797 queue->tail = NULL;
2798
2799 queue->count--;
2800
2801 return (item);
2802}
2803
2804/****************************************************************************/
2805/* */
2806/* Routine Name: ips_removeq_scb */
2807/* */
2808/* Routine Description: */
2809/* */
2810/* Remove an item from a queue */
2811/* */
2812/* ASSUMED to be called from within the HA lock */
2813/* */
2814/****************************************************************************/
2815static ips_scb_t *
2816ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item)
2817{
2818 ips_scb_t *p;
2819
2820 METHOD_TRACE("ips_removeq_scb", 1);
2821
2822 if (!item)
2823 return (NULL);
2824
2825 if (item == queue->head) {
2826 return (ips_removeq_scb_head(queue));
2827 }
2828
2829 p = queue->head;
2830
2831 while ((p) && (item != p->q_next))
2832 p = p->q_next;
2833
2834 if (p) {
2835 /* found a match */
2836 p->q_next = item->q_next;
2837
2838 if (!item->q_next)
2839 queue->tail = p;
2840
2841 item->q_next = NULL;
2842 queue->count--;
2843
2844 return (item);
2845 }
2846
2847 return (NULL);
2848}
2849
2850/****************************************************************************/
2851/* */
2852/* Routine Name: ips_putq_wait_tail */
2853/* */
2854/* Routine Description: */
2855/* */
2856/* Add an item to the tail of the queue */
2857/* */
2858/* ASSUMED to be called from within the HA lock */
2859/* */
2860/****************************************************************************/
2861static void ips_putq_wait_tail(ips_wait_queue_entry_t *queue, struct scsi_cmnd *item)
2862{
2863 METHOD_TRACE("ips_putq_wait_tail", 1);
2864
2865 if (!item)
2866 return;
2867
2868 item->host_scribble = NULL;
2869
2870 if (queue->tail)
2871 queue->tail->host_scribble = (char *) item;
2872
2873 queue->tail = item;
2874
2875 if (!queue->head)
2876 queue->head = item;
2877
2878 queue->count++;
2879}
2880
2881/****************************************************************************/
2882/* */
2883/* Routine Name: ips_removeq_wait_head */
2884/* */
2885/* Routine Description: */
2886/* */
2887/* Remove the head of the queue */
2888/* */
2889/* ASSUMED to be called from within the HA lock */
2890/* */
2891/****************************************************************************/
2892static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_entry_t *queue)
2893{
2894 struct scsi_cmnd *item;
2895
2896 METHOD_TRACE("ips_removeq_wait_head", 1);
2897
2898 item = queue->head;
2899
2900 if (!item) {
2901 return (NULL);
2902 }
2903
2904 queue->head = (struct scsi_cmnd *) item->host_scribble;
2905 item->host_scribble = NULL;
2906
2907 if (queue->tail == item)
2908 queue->tail = NULL;
2909
2910 queue->count--;
2911
2912 return (item);
2913}
2914
2915/****************************************************************************/
2916/* */
2917/* Routine Name: ips_removeq_wait */
2918/* */
2919/* Routine Description: */
2920/* */
2921/* Remove an item from a queue */
2922/* */
2923/* ASSUMED to be called from within the HA lock */
2924/* */
2925/****************************************************************************/
2926static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_entry_t *queue,
2927 struct scsi_cmnd *item)
2928{
2929 struct scsi_cmnd *p;
2930
2931 METHOD_TRACE("ips_removeq_wait", 1);
2932
2933 if (!item)
2934 return (NULL);
2935
2936 if (item == queue->head) {
2937 return (ips_removeq_wait_head(queue));
2938 }
2939
2940 p = queue->head;
2941
2942 while ((p) && (item != (struct scsi_cmnd *) p->host_scribble))
2943 p = (struct scsi_cmnd *) p->host_scribble;
2944
2945 if (p) {
2946 /* found a match */
2947 p->host_scribble = item->host_scribble;
2948
2949 if (!item->host_scribble)
2950 queue->tail = p;
2951
2952 item->host_scribble = NULL;
2953 queue->count--;
2954
2955 return (item);
2956 }
2957
2958 return (NULL);
2959}
2960
2961/****************************************************************************/
2962/* */
2963/* Routine Name: ips_putq_copp_tail */
2964/* */
2965/* Routine Description: */
2966/* */
2967/* Add an item to the tail of the queue */
2968/* */
2969/* ASSUMED to be called from within the HA lock */
2970/* */
2971/****************************************************************************/
2972static void
2973ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
2974{
2975 METHOD_TRACE("ips_putq_copp_tail", 1);
2976
2977 if (!item)
2978 return;
2979
2980 item->next = NULL;
2981
2982 if (queue->tail)
2983 queue->tail->next = item;
2984
2985 queue->tail = item;
2986
2987 if (!queue->head)
2988 queue->head = item;
2989
2990 queue->count++;
2991}
2992
2993/****************************************************************************/
2994/* */
2995/* Routine Name: ips_removeq_copp_head */
2996/* */
2997/* Routine Description: */
2998/* */
2999/* Remove the head of the queue */
3000/* */
3001/* ASSUMED to be called from within the HA lock */
3002/* */
3003/****************************************************************************/
3004static ips_copp_wait_item_t *
3005ips_removeq_copp_head(ips_copp_queue_t * queue)
3006{
3007 ips_copp_wait_item_t *item;
3008
3009 METHOD_TRACE("ips_removeq_copp_head", 1);
3010
3011 item = queue->head;
3012
3013 if (!item) {
3014 return (NULL);
3015 }
3016
3017 queue->head = item->next;
3018 item->next = NULL;
3019
3020 if (queue->tail == item)
3021 queue->tail = NULL;
3022
3023 queue->count--;
3024
3025 return (item);
3026}
3027
3028/****************************************************************************/
3029/* */
3030/* Routine Name: ips_removeq_copp */
3031/* */
3032/* Routine Description: */
3033/* */
3034/* Remove an item from a queue */
3035/* */
3036/* ASSUMED to be called from within the HA lock */
3037/* */
3038/****************************************************************************/
3039static ips_copp_wait_item_t *
3040ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item)
3041{
3042 ips_copp_wait_item_t *p;
3043
3044 METHOD_TRACE("ips_removeq_copp", 1);
3045
3046 if (!item)
3047 return (NULL);
3048
3049 if (item == queue->head) {
3050 return (ips_removeq_copp_head(queue));
3051 }
3052
3053 p = queue->head;
3054
3055 while ((p) && (item != p->next))
3056 p = p->next;
3057
3058 if (p) {
3059 /* found a match */
3060 p->next = item->next;
3061
3062 if (!item->next)
3063 queue->tail = p;
3064
3065 item->next = NULL;
3066 queue->count--;
3067
3068 return (item);
3069 }
3070
3071 return (NULL);
3072}
3073
3074/****************************************************************************/
3075/* */
3076/* Routine Name: ipsintr_blocking */
3077/* */
3078/* Routine Description: */
3079/* */
3080/* Finalize an interrupt for internal commands */
3081/* */
3082/****************************************************************************/
3083static void
3084ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb)
3085{
3086 METHOD_TRACE("ipsintr_blocking", 2);
3087
3088 ips_freescb(ha, scb);
3089 if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) {
3090 ha->waitflag = FALSE;
3091
3092 return;
3093 }
3094}
3095
3096/****************************************************************************/
3097/* */
3098/* Routine Name: ipsintr_done */
3099/* */
3100/* Routine Description: */
3101/* */
3102/* Finalize an interrupt for non-internal commands */
3103/* */
3104/****************************************************************************/
3105static void
3106ipsintr_done(ips_ha_t * ha, ips_scb_t * scb)
3107{
3108 METHOD_TRACE("ipsintr_done", 2);
3109
3110 if (!scb) {
3111 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3112 "Spurious interrupt; scb NULL.\n");
3113
3114 return;
3115 }
3116
3117 if (scb->scsi_cmd == NULL) {
3118 /* unexpected interrupt */
3119 IPS_PRINTK(KERN_WARNING, ha->pcidev,
3120 "Spurious interrupt; scsi_cmd not set.\n");
3121
3122 return;
3123 }
3124
3125 ips_done(ha, scb);
3126}
3127
3128/****************************************************************************/
3129/* */
3130/* Routine Name: ips_done */
3131/* */
3132/* Routine Description: */
3133/* */
3134/* Do housekeeping on completed commands */
3135/* ASSUMED to be called form within the request lock */
3136/****************************************************************************/
3137static void
3138ips_done(ips_ha_t * ha, ips_scb_t * scb)
3139{
3140 int ret;
3141
3142 METHOD_TRACE("ips_done", 1);
3143
3144 if (!scb)
3145 return;
3146
3147 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) {
3148 ips_cleanup_passthru(ha, scb);
3149 ha->num_ioctl--;
3150 } else {
3151 /*
3152 * Check to see if this command had too much
3153 * data and had to be broke up. If so, queue
3154 * the rest of the data and continue.
3155 */
3156 if ((scb->breakup) || (scb->sg_break)) {
3157 struct scatterlist *sg;
3158 int i, sg_dma_index, ips_sg_index = 0;
3159
3160 /* we had a data breakup */
3161 scb->data_len = 0;
3162
3163 sg = scsi_sglist(scb->scsi_cmd);
3164
3165 /* Spin forward to last dma chunk */
3166 sg_dma_index = scb->breakup;
3167 for (i = 0; i < scb->breakup; i++)
3168 sg = sg_next(sg);
3169
3170 /* Take care of possible partial on last chunk */
3171 ips_fill_scb_sg_single(ha,
3172 sg_dma_address(sg),
3173 scb, ips_sg_index++,
3174 sg_dma_len(sg));
3175
3176 for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd);
3177 sg_dma_index++, sg = sg_next(sg)) {
3178 if (ips_fill_scb_sg_single
3179 (ha,
3180 sg_dma_address(sg),
3181 scb, ips_sg_index++,
3182 sg_dma_len(sg)) < 0)
3183 break;
3184 }
3185
3186 scb->dcdb.transfer_length = scb->data_len;
3187 scb->dcdb.cmd_attribute |=
3188 ips_command_direction[scb->scsi_cmd->cmnd[0]];
3189
3190 if (!(scb->dcdb.cmd_attribute & 0x3))
3191 scb->dcdb.transfer_length = 0;
3192
3193 if (scb->data_len >= IPS_MAX_XFER) {
3194 scb->dcdb.cmd_attribute |= IPS_TRANSFER64K;
3195 scb->dcdb.transfer_length = 0;
3196 }
3197
3198 ret = ips_send_cmd(ha, scb);
3199
3200 switch (ret) {
3201 case IPS_FAILURE:
3202 if (scb->scsi_cmd) {
3203 scb->scsi_cmd->result = DID_ERROR << 16;
3204 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3205 }
3206
3207 ips_freescb(ha, scb);
3208 break;
3209 case IPS_SUCCESS_IMM:
3210 if (scb->scsi_cmd) {
3211 scb->scsi_cmd->result = DID_ERROR << 16;
3212 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3213 }
3214
3215 ips_freescb(ha, scb);
3216 break;
3217 default:
3218 break;
3219 } /* end case */
3220
3221 return;
3222 }
3223 } /* end if passthru */
3224
3225 if (scb->bus) {
3226 ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id);
3227 }
3228
3229 scb->scsi_cmd->scsi_done(scb->scsi_cmd);
3230
3231 ips_freescb(ha, scb);
3232}
3233
3234/****************************************************************************/
3235/* */
3236/* Routine Name: ips_map_status */
3237/* */
3238/* Routine Description: */
3239/* */
3240/* Map Controller Error codes to Linux Error Codes */
3241/* */
3242/****************************************************************************/
3243static int
3244ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp)
3245{
3246 int errcode;
3247 int device_error;
3248 uint32_t transfer_len;
3249 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3250 IPS_SCSI_INQ_DATA inquiryData;
3251
3252 METHOD_TRACE("ips_map_status", 1);
3253
3254 if (scb->bus) {
3255 DEBUG_VAR(2,
3256 "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x",
3257 ips_name, ha->host_num,
3258 scb->scsi_cmd->device->channel,
3259 scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun,
3260 scb->basic_status, scb->extended_status,
3261 scb->extended_status ==
3262 IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0,
3263 scb->extended_status ==
3264 IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0,
3265 scb->extended_status ==
3266 IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0);
3267 }
3268
3269 /* default driver error */
3270 errcode = DID_ERROR;
3271 device_error = 0;
3272
3273 switch (scb->basic_status & IPS_GSC_STATUS_MASK) {
3274 case IPS_CMD_TIMEOUT:
3275 errcode = DID_TIME_OUT;
3276 break;
3277
3278 case IPS_INVAL_OPCO:
3279 case IPS_INVAL_CMD_BLK:
3280 case IPS_INVAL_PARM_BLK:
3281 case IPS_LD_ERROR:
3282 case IPS_CMD_CMPLT_WERROR:
3283 break;
3284
3285 case IPS_PHYS_DRV_ERROR:
3286 switch (scb->extended_status) {
3287 case IPS_ERR_SEL_TO:
3288 if (scb->bus)
3289 errcode = DID_NO_CONNECT;
3290
3291 break;
3292
3293 case IPS_ERR_OU_RUN:
3294 if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) ||
3295 (scb->cmd.dcdb.op_code ==
3296 IPS_CMD_EXTENDED_DCDB_SG)) {
3297 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3298 transfer_len = tapeDCDB->transfer_length;
3299 } else {
3300 transfer_len =
3301 (uint32_t) scb->dcdb.transfer_length;
3302 }
3303
3304 if ((scb->bus) && (transfer_len < scb->data_len)) {
3305 /* Underrun - set default to no error */
3306 errcode = DID_OK;
3307
3308 /* Restrict access to physical DASD */
3309 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3310 ips_scmd_buf_read(scb->scsi_cmd,
3311 &inquiryData, sizeof (inquiryData));
3312 if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) {
3313 errcode = DID_TIME_OUT;
3314 break;
3315 }
3316 }
3317 } else
3318 errcode = DID_ERROR;
3319
3320 break;
3321
3322 case IPS_ERR_RECOVERY:
3323 /* don't fail recovered errors */
3324 if (scb->bus)
3325 errcode = DID_OK;
3326
3327 break;
3328
3329 case IPS_ERR_HOST_RESET:
3330 case IPS_ERR_DEV_RESET:
3331 errcode = DID_RESET;
3332 break;
3333
3334 case IPS_ERR_CKCOND:
3335 if (scb->bus) {
3336 if ((scb->cmd.dcdb.op_code ==
3337 IPS_CMD_EXTENDED_DCDB)
3338 || (scb->cmd.dcdb.op_code ==
3339 IPS_CMD_EXTENDED_DCDB_SG)) {
3340 tapeDCDB =
3341 (IPS_DCDB_TABLE_TAPE *) & scb->dcdb;
3342 memcpy(scb->scsi_cmd->sense_buffer,
3343 tapeDCDB->sense_info,
3344 SCSI_SENSE_BUFFERSIZE);
3345 } else {
3346 memcpy(scb->scsi_cmd->sense_buffer,
3347 scb->dcdb.sense_info,
3348 SCSI_SENSE_BUFFERSIZE);
3349 }
3350 device_error = 2; /* check condition */
3351 }
3352
3353 errcode = DID_OK;
3354
3355 break;
3356
3357 default:
3358 errcode = DID_ERROR;
3359 break;
3360
3361 } /* end switch */
3362 } /* end switch */
3363
3364 scb->scsi_cmd->result = device_error | (errcode << 16);
3365
3366 return (1);
3367}
3368
3369/****************************************************************************/
3370/* */
3371/* Routine Name: ips_send_wait */
3372/* */
3373/* Routine Description: */
3374/* */
3375/* Send a command to the controller and wait for it to return */
3376/* */
3377/* The FFDC Time Stamp use this function for the callback, but doesn't */
3378/* actually need to wait. */
3379/****************************************************************************/
3380static int
3381ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr)
3382{
3383 int ret;
3384
3385 METHOD_TRACE("ips_send_wait", 1);
3386
3387 if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */
3388 ha->waitflag = TRUE;
3389 ha->cmd_in_progress = scb->cdb[0];
3390 }
3391 scb->callback = ipsintr_blocking;
3392 ret = ips_send_cmd(ha, scb);
3393
3394 if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM))
3395 return (ret);
3396
3397 if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */
3398 ret = ips_wait(ha, timeout, intr);
3399
3400 return (ret);
3401}
3402
3403/****************************************************************************/
3404/* */
3405/* Routine Name: ips_scmd_buf_write */
3406/* */
3407/* Routine Description: */
3408/* Write data to struct scsi_cmnd request_buffer at proper offsets */
3409/****************************************************************************/
3410static void
3411ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count)
3412{
3413 unsigned long flags;
3414
3415 local_irq_save(flags);
3416 scsi_sg_copy_from_buffer(scmd, data, count);
3417 local_irq_restore(flags);
3418}
3419
3420/****************************************************************************/
3421/* */
3422/* Routine Name: ips_scmd_buf_read */
3423/* */
3424/* Routine Description: */
3425/* Copy data from a struct scsi_cmnd to a new, linear buffer */
3426/****************************************************************************/
3427static void
3428ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count)
3429{
3430 unsigned long flags;
3431
3432 local_irq_save(flags);
3433 scsi_sg_copy_to_buffer(scmd, data, count);
3434 local_irq_restore(flags);
3435}
3436
3437/****************************************************************************/
3438/* */
3439/* Routine Name: ips_send_cmd */
3440/* */
3441/* Routine Description: */
3442/* */
3443/* Map SCSI commands to ServeRAID commands for logical drives */
3444/* */
3445/****************************************************************************/
3446static int
3447ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb)
3448{
3449 int ret;
3450 char *sp;
3451 int device_error;
3452 IPS_DCDB_TABLE_TAPE *tapeDCDB;
3453 int TimeOut;
3454
3455 METHOD_TRACE("ips_send_cmd", 1);
3456
3457 ret = IPS_SUCCESS;
3458
3459 if (!scb->scsi_cmd) {
3460 /* internal command */
3461
3462 if (scb->bus > 0) {
3463 /* Controller commands can't be issued */
3464 /* to real devices -- fail them */
3465 if ((ha->waitflag == TRUE) &&
3466 (ha->cmd_in_progress == scb->cdb[0])) {
3467 ha->waitflag = FALSE;
3468 }
3469
3470 return (1);
3471 }
3472 } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) {
3473 /* command to logical bus -- interpret */
3474 ret = IPS_SUCCESS_IMM;
3475
3476 switch (scb->scsi_cmd->cmnd[0]) {
3477 case ALLOW_MEDIUM_REMOVAL:
3478 case REZERO_UNIT:
3479 case ERASE:
3480 case WRITE_FILEMARKS:
3481 case SPACE:
3482 scb->scsi_cmd->result = DID_ERROR << 16;
3483 break;
3484
3485 case START_STOP:
3486 scb->scsi_cmd->result = DID_OK << 16;
3487 break;
3488
3489 case TEST_UNIT_READY:
3490 case INQUIRY:
3491 if (scb->target_id == IPS_ADAPTER_ID) {
3492 /*
3493 * Either we have a TUR
3494 * or we have a SCSI inquiry
3495 */
3496 if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY)
3497 scb->scsi_cmd->result = DID_OK << 16;
3498
3499 if (scb->scsi_cmd->cmnd[0] == INQUIRY) {
3500 IPS_SCSI_INQ_DATA inquiry;
3501
3502 memset(&inquiry, 0,
3503 sizeof (IPS_SCSI_INQ_DATA));
3504
3505 inquiry.DeviceType =
3506 IPS_SCSI_INQ_TYPE_PROCESSOR;
3507 inquiry.DeviceTypeQualifier =
3508 IPS_SCSI_INQ_LU_CONNECTED;
3509 inquiry.Version = IPS_SCSI_INQ_REV2;
3510 inquiry.ResponseDataFormat =
3511 IPS_SCSI_INQ_RD_REV2;
3512 inquiry.AdditionalLength = 31;
3513 inquiry.Flags[0] =
3514 IPS_SCSI_INQ_Address16;
3515 inquiry.Flags[1] =
3516 IPS_SCSI_INQ_WBus16 |
3517 IPS_SCSI_INQ_Sync;
3518 strncpy(inquiry.VendorId, "IBM ",
3519 8);
3520 strncpy(inquiry.ProductId,
3521 "SERVERAID ", 16);
3522 strncpy(inquiry.ProductRevisionLevel,
3523 "1.00", 4);
3524
3525 ips_scmd_buf_write(scb->scsi_cmd,
3526 &inquiry,
3527 sizeof (inquiry));
3528
3529 scb->scsi_cmd->result = DID_OK << 16;
3530 }
3531 } else {
3532 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3533 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3534 scb->cmd.logical_info.reserved = 0;
3535 scb->cmd.logical_info.reserved2 = 0;
3536 scb->data_len = sizeof (IPS_LD_INFO);
3537 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3538 scb->flags = 0;
3539 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3540 ret = IPS_SUCCESS;
3541 }
3542
3543 break;
3544
3545 case REQUEST_SENSE:
3546 ips_reqsen(ha, scb);
3547 scb->scsi_cmd->result = DID_OK << 16;
3548 break;
3549
3550 case READ_6:
3551 case WRITE_6:
3552 if (!scb->sg_len) {
3553 scb->cmd.basic_io.op_code =
3554 (scb->scsi_cmd->cmnd[0] ==
3555 READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE;
3556 scb->cmd.basic_io.enhanced_sg = 0;
3557 scb->cmd.basic_io.sg_addr =
3558 cpu_to_le32(scb->data_busaddr);
3559 } else {
3560 scb->cmd.basic_io.op_code =
3561 (scb->scsi_cmd->cmnd[0] ==
3562 READ_6) ? IPS_CMD_READ_SG :
3563 IPS_CMD_WRITE_SG;
3564 scb->cmd.basic_io.enhanced_sg =
3565 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3566 scb->cmd.basic_io.sg_addr =
3567 cpu_to_le32(scb->sg_busaddr);
3568 }
3569
3570 scb->cmd.basic_io.segment_4G = 0;
3571 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3572 scb->cmd.basic_io.log_drv = scb->target_id;
3573 scb->cmd.basic_io.sg_count = scb->sg_len;
3574
3575 if (scb->cmd.basic_io.lba)
3576 le32_add_cpu(&scb->cmd.basic_io.lba,
3577 le16_to_cpu(scb->cmd.basic_io.
3578 sector_count));
3579 else
3580 scb->cmd.basic_io.lba =
3581 (((scb->scsi_cmd->
3582 cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd->
3583 cmnd[2] << 8) |
3584 (scb->scsi_cmd->cmnd[3]));
3585
3586 scb->cmd.basic_io.sector_count =
3587 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3588
3589 if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0)
3590 scb->cmd.basic_io.sector_count =
3591 cpu_to_le16(256);
3592
3593 ret = IPS_SUCCESS;
3594 break;
3595
3596 case READ_10:
3597 case WRITE_10:
3598 if (!scb->sg_len) {
3599 scb->cmd.basic_io.op_code =
3600 (scb->scsi_cmd->cmnd[0] ==
3601 READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE;
3602 scb->cmd.basic_io.enhanced_sg = 0;
3603 scb->cmd.basic_io.sg_addr =
3604 cpu_to_le32(scb->data_busaddr);
3605 } else {
3606 scb->cmd.basic_io.op_code =
3607 (scb->scsi_cmd->cmnd[0] ==
3608 READ_10) ? IPS_CMD_READ_SG :
3609 IPS_CMD_WRITE_SG;
3610 scb->cmd.basic_io.enhanced_sg =
3611 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3612 scb->cmd.basic_io.sg_addr =
3613 cpu_to_le32(scb->sg_busaddr);
3614 }
3615
3616 scb->cmd.basic_io.segment_4G = 0;
3617 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3618 scb->cmd.basic_io.log_drv = scb->target_id;
3619 scb->cmd.basic_io.sg_count = scb->sg_len;
3620
3621 if (scb->cmd.basic_io.lba)
3622 le32_add_cpu(&scb->cmd.basic_io.lba,
3623 le16_to_cpu(scb->cmd.basic_io.
3624 sector_count));
3625 else
3626 scb->cmd.basic_io.lba =
3627 ((scb->scsi_cmd->cmnd[2] << 24) | (scb->
3628 scsi_cmd->
3629 cmnd[3]
3630 << 16) |
3631 (scb->scsi_cmd->cmnd[4] << 8) | scb->
3632 scsi_cmd->cmnd[5]);
3633
3634 scb->cmd.basic_io.sector_count =
3635 cpu_to_le16(scb->data_len / IPS_BLKSIZE);
3636
3637 if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) {
3638 /*
3639 * This is a null condition
3640 * we don't have to do anything
3641 * so just return
3642 */
3643 scb->scsi_cmd->result = DID_OK << 16;
3644 } else
3645 ret = IPS_SUCCESS;
3646
3647 break;
3648
3649 case RESERVE:
3650 case RELEASE:
3651 scb->scsi_cmd->result = DID_OK << 16;
3652 break;
3653
3654 case MODE_SENSE:
3655 scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY;
3656 scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb);
3657 scb->cmd.basic_io.segment_4G = 0;
3658 scb->cmd.basic_io.enhanced_sg = 0;
3659 scb->data_len = sizeof (*ha->enq);
3660 scb->cmd.basic_io.sg_addr = ha->enq_busaddr;
3661 ret = IPS_SUCCESS;
3662 break;
3663
3664 case READ_CAPACITY:
3665 scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO;
3666 scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb);
3667 scb->cmd.logical_info.reserved = 0;
3668 scb->cmd.logical_info.reserved2 = 0;
3669 scb->cmd.logical_info.reserved3 = 0;
3670 scb->data_len = sizeof (IPS_LD_INFO);
3671 scb->data_busaddr = ha->logical_drive_info_dma_addr;
3672 scb->flags = 0;
3673 scb->cmd.logical_info.buffer_addr = scb->data_busaddr;
3674 ret = IPS_SUCCESS;
3675 break;
3676
3677 case SEND_DIAGNOSTIC:
3678 case REASSIGN_BLOCKS:
3679 case FORMAT_UNIT:
3680 case SEEK_10:
3681 case VERIFY:
3682 case READ_DEFECT_DATA:
3683 case READ_BUFFER:
3684 case WRITE_BUFFER:
3685 scb->scsi_cmd->result = DID_OK << 16;
3686 break;
3687
3688 default:
3689 /* Set the Return Info to appear like the Command was */
3690 /* attempted, a Check Condition occurred, and Sense */
3691 /* Data indicating an Invalid CDB OpCode is returned. */
3692 sp = (char *) scb->scsi_cmd->sense_buffer;
3693
3694 sp[0] = 0x70; /* Error Code */
3695 sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */
3696 sp[7] = 0x0A; /* Additional Sense Length */
3697 sp[12] = 0x20; /* ASC = Invalid OpCode */
3698 sp[13] = 0x00; /* ASCQ */
3699
3700 device_error = 2; /* Indicate Check Condition */
3701 scb->scsi_cmd->result = device_error | (DID_OK << 16);
3702 break;
3703 } /* end switch */
3704 }
3705 /* end if */
3706 if (ret == IPS_SUCCESS_IMM)
3707 return (ret);
3708
3709 /* setup DCDB */
3710 if (scb->bus > 0) {
3711
3712 /* If we already know the Device is Not there, no need to attempt a Command */
3713 /* This also protects an NT FailOver Controller from getting CDB's sent to it */
3714 if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) {
3715 scb->scsi_cmd->result = DID_NO_CONNECT << 16;
3716 return (IPS_SUCCESS_IMM);
3717 }
3718
3719 ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id);
3720 scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb);
3721 scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr +
3722 (unsigned long) &scb->
3723 dcdb -
3724 (unsigned long) scb);
3725 scb->cmd.dcdb.reserved = 0;
3726 scb->cmd.dcdb.reserved2 = 0;
3727 scb->cmd.dcdb.reserved3 = 0;
3728 scb->cmd.dcdb.segment_4G = 0;
3729 scb->cmd.dcdb.enhanced_sg = 0;
3730
3731 TimeOut = scb->scsi_cmd->request->timeout;
3732
3733 if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */
3734 if (!scb->sg_len) {
3735 scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB;
3736 } else {
3737 scb->cmd.dcdb.op_code =
3738 IPS_CMD_EXTENDED_DCDB_SG;
3739 scb->cmd.dcdb.enhanced_sg =
3740 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3741 }
3742
3743 tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */
3744 tapeDCDB->device_address =
3745 ((scb->bus - 1) << 4) | scb->target_id;
3746 tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3747 tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */
3748
3749 if (TimeOut) {
3750 if (TimeOut < (10 * HZ))
3751 tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3752 else if (TimeOut < (60 * HZ))
3753 tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3754 else if (TimeOut < (1200 * HZ))
3755 tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3756 }
3757
3758 tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len;
3759 tapeDCDB->reserved_for_LUN = 0;
3760 tapeDCDB->transfer_length = scb->data_len;
3761 if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG)
3762 tapeDCDB->buffer_pointer =
3763 cpu_to_le32(scb->sg_busaddr);
3764 else
3765 tapeDCDB->buffer_pointer =
3766 cpu_to_le32(scb->data_busaddr);
3767 tapeDCDB->sg_count = scb->sg_len;
3768 tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info);
3769 tapeDCDB->scsi_status = 0;
3770 tapeDCDB->reserved = 0;
3771 memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd,
3772 scb->scsi_cmd->cmd_len);
3773 } else {
3774 if (!scb->sg_len) {
3775 scb->cmd.dcdb.op_code = IPS_CMD_DCDB;
3776 } else {
3777 scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG;
3778 scb->cmd.dcdb.enhanced_sg =
3779 IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0;
3780 }
3781
3782 scb->dcdb.device_address =
3783 ((scb->bus - 1) << 4) | scb->target_id;
3784 scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED;
3785
3786 if (TimeOut) {
3787 if (TimeOut < (10 * HZ))
3788 scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */
3789 else if (TimeOut < (60 * HZ))
3790 scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */
3791 else if (TimeOut < (1200 * HZ))
3792 scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */
3793 }
3794
3795 scb->dcdb.transfer_length = scb->data_len;
3796 if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K)
3797 scb->dcdb.transfer_length = 0;
3798 if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG)
3799 scb->dcdb.buffer_pointer =
3800 cpu_to_le32(scb->sg_busaddr);
3801 else
3802 scb->dcdb.buffer_pointer =
3803 cpu_to_le32(scb->data_busaddr);
3804 scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len;
3805 scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info);
3806 scb->dcdb.sg_count = scb->sg_len;
3807 scb->dcdb.reserved = 0;
3808 memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd,
3809 scb->scsi_cmd->cmd_len);
3810 scb->dcdb.scsi_status = 0;
3811 scb->dcdb.reserved2[0] = 0;
3812 scb->dcdb.reserved2[1] = 0;
3813 scb->dcdb.reserved2[2] = 0;
3814 }
3815 }
3816
3817 return ((*ha->func.issue) (ha, scb));
3818}
3819
3820/****************************************************************************/
3821/* */
3822/* Routine Name: ips_chk_status */
3823/* */
3824/* Routine Description: */
3825/* */
3826/* Check the status of commands to logical drives */
3827/* Assumed to be called with the HA lock */
3828/****************************************************************************/
3829static void
3830ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus)
3831{
3832 ips_scb_t *scb;
3833 ips_stat_t *sp;
3834 uint8_t basic_status;
3835 uint8_t ext_status;
3836 int errcode;
3837 IPS_SCSI_INQ_DATA inquiryData;
3838
3839 METHOD_TRACE("ips_chkstatus", 1);
3840
3841 scb = &ha->scbs[pstatus->fields.command_id];
3842 scb->basic_status = basic_status =
3843 pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK;
3844 scb->extended_status = ext_status = pstatus->fields.extended_status;
3845
3846 sp = &ha->sp;
3847 sp->residue_len = 0;
3848 sp->scb_addr = (void *) scb;
3849
3850 /* Remove the item from the active queue */
3851 ips_removeq_scb(&ha->scb_activelist, scb);
3852
3853 if (!scb->scsi_cmd)
3854 /* internal commands are handled in do_ipsintr */
3855 return;
3856
3857 DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)",
3858 ips_name,
3859 ha->host_num,
3860 scb->cdb[0],
3861 scb->cmd.basic_io.command_id,
3862 scb->bus, scb->target_id, scb->lun);
3863
3864 if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd)))
3865 /* passthru - just returns the raw result */
3866 return;
3867
3868 errcode = DID_OK;
3869
3870 if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) ||
3871 ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) {
3872
3873 if (scb->bus == 0) {
3874 if ((basic_status & IPS_GSC_STATUS_MASK) ==
3875 IPS_CMD_RECOVERED_ERROR) {
3876 DEBUG_VAR(1,
3877 "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x",
3878 ips_name, ha->host_num,
3879 scb->cmd.basic_io.op_code,
3880 basic_status, ext_status);
3881 }
3882
3883 switch (scb->scsi_cmd->cmnd[0]) {
3884 case ALLOW_MEDIUM_REMOVAL:
3885 case REZERO_UNIT:
3886 case ERASE:
3887 case WRITE_FILEMARKS:
3888 case SPACE:
3889 errcode = DID_ERROR;
3890 break;
3891
3892 case START_STOP:
3893 break;
3894
3895 case TEST_UNIT_READY:
3896 if (!ips_online(ha, scb)) {
3897 errcode = DID_TIME_OUT;
3898 }
3899 break;
3900
3901 case INQUIRY:
3902 if (ips_online(ha, scb)) {
3903 ips_inquiry(ha, scb);
3904 } else {
3905 errcode = DID_TIME_OUT;
3906 }
3907 break;
3908
3909 case <