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1da177e4 LT |
1 | /*****************************************************************************/ |
2 | /* ips.c -- driver for the Adaptec / IBM ServeRAID controller */ | |
3 | /* */ | |
4 | /* Written By: Keith Mitchell, IBM Corporation */ | |
5 | /* Jack Hammer, Adaptec, Inc. */ | |
6 | /* David Jeffery, Adaptec, Inc. */ | |
7 | /* */ | |
8 | /* Copyright (C) 2000 IBM Corporation */ | |
9 | /* Copyright (C) 2002,2003 Adaptec, Inc. */ | |
10 | /* */ | |
11 | /* This program is free software; you can redistribute it and/or modify */ | |
12 | /* it under the terms of the GNU General Public License as published by */ | |
13 | /* the Free Software Foundation; either version 2 of the License, or */ | |
14 | /* (at your option) any later version. */ | |
15 | /* */ | |
16 | /* This program is distributed in the hope that it will be useful, */ | |
17 | /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ | |
18 | /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ | |
19 | /* GNU General Public License for more details. */ | |
20 | /* */ | |
21 | /* NO WARRANTY */ | |
22 | /* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR */ | |
23 | /* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT */ | |
24 | /* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, */ | |
25 | /* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is */ | |
26 | /* solely responsible for determining the appropriateness of using and */ | |
27 | /* distributing the Program and assumes all risks associated with its */ | |
28 | /* exercise of rights under this Agreement, including but not limited to */ | |
29 | /* the risks and costs of program errors, damage to or loss of data, */ | |
30 | /* programs or equipment, and unavailability or interruption of operations. */ | |
31 | /* */ | |
32 | /* DISCLAIMER OF LIABILITY */ | |
33 | /* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY */ | |
34 | /* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL */ | |
35 | /* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND */ | |
36 | /* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR */ | |
37 | /* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE */ | |
38 | /* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED */ | |
39 | /* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES */ | |
40 | /* */ | |
41 | /* You should have received a copy of the GNU General Public License */ | |
42 | /* along with this program; if not, write to the Free Software */ | |
43 | /* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ | |
44 | /* */ | |
45 | /* Bugs/Comments/Suggestions about this driver should be mailed to: */ | |
46 | /* ipslinux@adaptec.com */ | |
47 | /* */ | |
48 | /* For system support issues, contact your local IBM Customer support. */ | |
49 | /* Directions to find IBM Customer Support for each country can be found at: */ | |
50 | /* http://www.ibm.com/planetwide/ */ | |
51 | /* */ | |
52 | /*****************************************************************************/ | |
53 | ||
54 | /*****************************************************************************/ | |
55 | /* Change Log */ | |
56 | /* */ | |
57 | /* 0.99.02 - Breakup commands that are bigger than 8 * the stripe size */ | |
58 | /* 0.99.03 - Make interrupt routine handle all completed request on the */ | |
59 | /* adapter not just the first one */ | |
60 | /* - Make sure passthru commands get woken up if we run out of */ | |
61 | /* SCBs */ | |
62 | /* - Send all of the commands on the queue at once rather than */ | |
63 | /* one at a time since the card will support it. */ | |
64 | /* 0.99.04 - Fix race condition in the passthru mechanism -- this required */ | |
65 | /* the interface to the utilities to change */ | |
66 | /* - Fix error recovery code */ | |
67 | /* 0.99.05 - Fix an oops when we get certain passthru commands */ | |
68 | /* 1.00.00 - Initial Public Release */ | |
69 | /* Functionally equivalent to 0.99.05 */ | |
70 | /* 3.60.00 - Bump max commands to 128 for use with firmware 3.60 */ | |
71 | /* - Change version to 3.60 to coincide with release numbering. */ | |
72 | /* 3.60.01 - Remove bogus error check in passthru routine */ | |
73 | /* 3.60.02 - Make DCDB direction based on lookup table */ | |
74 | /* - Only allow one DCDB command to a SCSI ID at a time */ | |
75 | /* 4.00.00 - Add support for ServeRAID 4 */ | |
76 | /* 4.00.01 - Add support for First Failure Data Capture */ | |
77 | /* 4.00.02 - Fix problem with PT DCDB with no buffer */ | |
78 | /* 4.00.03 - Add alternative passthru interface */ | |
79 | /* - Add ability to flash BIOS */ | |
80 | /* 4.00.04 - Rename structures/constants to be prefixed with IPS_ */ | |
81 | /* 4.00.05 - Remove wish_block from init routine */ | |
82 | /* - Use linux/spinlock.h instead of asm/spinlock.h for kernels */ | |
83 | /* 2.3.18 and later */ | |
84 | /* - Sync with other changes from the 2.3 kernels */ | |
85 | /* 4.00.06 - Fix timeout with initial FFDC command */ | |
86 | /* 4.00.06a - Port to 2.4 (trivial) -- Christoph Hellwig <hch@infradead.org> */ | |
87 | /* 4.10.00 - Add support for ServeRAID 4M/4L */ | |
88 | /* 4.10.13 - Fix for dynamic unload and proc file system */ | |
89 | /* 4.20.03 - Rename version to coincide with new release schedules */ | |
90 | /* Performance fixes */ | |
91 | /* Fix truncation of /proc files with cat */ | |
92 | /* Merge in changes through kernel 2.4.0test1ac21 */ | |
93 | /* 4.20.13 - Fix some failure cases / reset code */ | |
94 | /* - Hook into the reboot_notifier to flush the controller cache */ | |
95 | /* 4.50.01 - Fix problem when there is a hole in logical drive numbering */ | |
96 | /* 4.70.09 - Use a Common ( Large Buffer ) for Flashing from the JCRM CD */ | |
97 | /* - Add IPSSEND Flash Support */ | |
98 | /* - Set Sense Data for Unknown SCSI Command */ | |
99 | /* - Use Slot Number from NVRAM Page 5 */ | |
100 | /* - Restore caller's DCDB Structure */ | |
101 | /* 4.70.12 - Corrective actions for bad controller ( during initialization )*/ | |
102 | /* 4.70.13 - Don't Send CDB's if we already know the device is not present */ | |
103 | /* - Don't release HA Lock in ips_next() until SC taken off queue */ | |
104 | /* - Unregister SCSI device in ips_release() */ | |
105 | /* 4.70.15 - Fix Breakup for very large ( non-SG ) requests in ips_done() */ | |
106 | /* 4.71.00 - Change all memory allocations to not use GFP_DMA flag */ | |
107 | /* Code Clean-Up for 2.4.x kernel */ | |
108 | /* 4.72.00 - Allow for a Scatter-Gather Element to exceed MAX_XFER Size */ | |
109 | /* 4.72.01 - I/O Mapped Memory release ( so "insmod ips" does not Fail ) */ | |
110 | /* - Don't Issue Internal FFDC Command if there are Active Commands */ | |
111 | /* - Close Window for getting too many IOCTL's active */ | |
112 | /* 4.80.00 - Make ia64 Safe */ | |
113 | /* 4.80.04 - Eliminate calls to strtok() if 2.4.x or greater */ | |
114 | /* - Adjustments to Device Queue Depth */ | |
115 | /* 4.80.14 - Take all semaphores off stack */ | |
116 | /* - Clean Up New_IOCTL path */ | |
117 | /* 4.80.20 - Set max_sectors in Scsi_Host structure ( if >= 2.4.7 kernel ) */ | |
118 | /* - 5 second delay needed after resetting an i960 adapter */ | |
119 | /* 4.80.26 - Clean up potential code problems ( Arjan's recommendations ) */ | |
120 | /* 4.90.01 - Version Matching for FirmWare, BIOS, and Driver */ | |
121 | /* 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development */ | |
122 | /* 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H ) */ | |
123 | /* 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K */ | |
124 | /* 4.90.11 - Don't actually RESET unless it's physically required */ | |
125 | /* - Remove unused compile options */ | |
126 | /* 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first */ | |
127 | /* - Get rid on IOCTL_NEW_COMMAND code */ | |
128 | /* - Add Extended DCDB Commands for Tape Support in 5I */ | |
129 | /* 5.10.12 - use pci_dma interfaces, update for 2.5 kernel changes */ | |
130 | /* 5.10.15 - remove unused code (sem, macros, etc.) */ | |
131 | /* 5.30.00 - use __devexit_p() */ | |
132 | /* 6.00.00 - Add 6x Adapters and Battery Flash */ | |
133 | /* 6.10.00 - Remove 1G Addressing Limitations */ | |
134 | /* 6.11.xx - Get VersionInfo buffer off the stack ! DDTS 60401 */ | |
135 | /* 6.11.xx - Make Logical Drive Info structure safe for DMA DDTS 60639 */ | |
c1a15468 | 136 | /* 7.10.18 - Add highmem_io flag in SCSI Templete for 2.4 kernels */ |
1da177e4 LT |
137 | /* - Fix path/name for scsi_hosts.h include for 2.6 kernels */ |
138 | /* - Fix sort order of 7k */ | |
139 | /* - Remove 3 unused "inline" functions */ | |
c1a15468 JH |
140 | /* 7.12.xx - Use STATIC functions whereever possible */ |
141 | /* - Clean up deprecated MODULE_PARM calls */ | |
a60768e2 | 142 | /* 7.12.05 - Remove Version Matching per IBM request */ |
1da177e4 LT |
143 | /*****************************************************************************/ |
144 | ||
145 | /* | |
146 | * Conditional Compilation directives for this driver: | |
147 | * | |
148 | * IPS_DEBUG - Turn on debugging info | |
149 | * | |
150 | * Parameters: | |
151 | * | |
152 | * debug:<number> - Set debug level to <number> | |
153 | * NOTE: only works when IPS_DEBUG compile directive is used. | |
154 | * 1 - Normal debug messages | |
155 | * 2 - Verbose debug messages | |
156 | * 11 - Method trace (non interrupt) | |
157 | * 12 - Method trace (includes interrupt) | |
158 | * | |
159 | * noi2o - Don't use I2O Queues (ServeRAID 4 only) | |
160 | * nommap - Don't use memory mapped I/O | |
161 | * ioctlsize - Initial size of the IOCTL buffer | |
162 | */ | |
163 | ||
164 | #include <asm/io.h> | |
165 | #include <asm/byteorder.h> | |
166 | #include <asm/page.h> | |
167 | #include <linux/stddef.h> | |
168 | #include <linux/version.h> | |
169 | #include <linux/string.h> | |
170 | #include <linux/errno.h> | |
171 | #include <linux/kernel.h> | |
172 | #include <linux/ioport.h> | |
173 | #include <linux/slab.h> | |
174 | #include <linux/delay.h> | |
175 | #include <linux/pci.h> | |
176 | #include <linux/proc_fs.h> | |
177 | #include <linux/reboot.h> | |
178 | #include <linux/interrupt.h> | |
179 | ||
180 | #include <linux/blkdev.h> | |
181 | #include <linux/types.h> | |
910638ae | 182 | #include <linux/dma-mapping.h> |
1da177e4 LT |
183 | |
184 | #include <scsi/sg.h> | |
1da177e4 | 185 | #include "scsi.h" |
1da177e4 | 186 | #include <scsi/scsi_host.h> |
1da177e4 LT |
187 | |
188 | #include "ips.h" | |
189 | ||
190 | #include <linux/module.h> | |
191 | ||
192 | #include <linux/stat.h> | |
1da177e4 LT |
193 | |
194 | #include <linux/spinlock.h> | |
195 | #include <linux/init.h> | |
196 | ||
197 | #include <linux/smp.h> | |
198 | ||
199 | #ifdef MODULE | |
200 | static char *ips = NULL; | |
201 | module_param(ips, charp, 0); | |
202 | #endif | |
203 | ||
204 | /* | |
205 | * DRIVER_VER | |
206 | */ | |
8c8fdc59 BW |
207 | #define IPS_VERSION_HIGH IPS_VER_MAJOR_STRING "." IPS_VER_MINOR_STRING |
208 | #define IPS_VERSION_LOW "." IPS_VER_BUILD_STRING " " | |
1da177e4 LT |
209 | |
210 | #if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__) | |
211 | #warning "This driver has only been tested on the x86/ia64/x86_64 platforms" | |
212 | #endif | |
213 | ||
1da177e4 | 214 | #define IPS_DMA_DIR(scb) ((!scb->scsi_cmd || ips_is_passthru(scb->scsi_cmd) || \ |
be7db055 | 215 | DMA_NONE == scb->scsi_cmd->sc_data_direction) ? \ |
1da177e4 | 216 | PCI_DMA_BIDIRECTIONAL : \ |
be7db055 | 217 | scb->scsi_cmd->sc_data_direction) |
1da177e4 LT |
218 | |
219 | #ifdef IPS_DEBUG | |
220 | #define METHOD_TRACE(s, i) if (ips_debug >= (i+10)) printk(KERN_NOTICE s "\n"); | |
221 | #define DEBUG(i, s) if (ips_debug >= i) printk(KERN_NOTICE s "\n"); | |
222 | #define DEBUG_VAR(i, s, v...) if (ips_debug >= i) printk(KERN_NOTICE s "\n", v); | |
223 | #else | |
224 | #define METHOD_TRACE(s, i) | |
225 | #define DEBUG(i, s) | |
226 | #define DEBUG_VAR(i, s, v...) | |
227 | #endif | |
228 | ||
229 | /* | |
230 | * Function prototypes | |
231 | */ | |
d0be4a7d | 232 | static int ips_detect(struct scsi_host_template *); |
1da177e4 | 233 | static int ips_release(struct Scsi_Host *); |
1516b55d H |
234 | static int ips_eh_abort(struct scsi_cmnd *); |
235 | static int ips_eh_reset(struct scsi_cmnd *); | |
236 | static int ips_queue(struct scsi_cmnd *, void (*)(struct scsi_cmnd *)); | |
1da177e4 | 237 | static const char *ips_info(struct Scsi_Host *); |
7d12e780 | 238 | static irqreturn_t do_ipsintr(int, void *); |
1da177e4 LT |
239 | static int ips_hainit(ips_ha_t *); |
240 | static int ips_map_status(ips_ha_t *, ips_scb_t *, ips_stat_t *); | |
241 | static int ips_send_wait(ips_ha_t *, ips_scb_t *, int, int); | |
242 | static int ips_send_cmd(ips_ha_t *, ips_scb_t *); | |
243 | static int ips_online(ips_ha_t *, ips_scb_t *); | |
244 | static int ips_inquiry(ips_ha_t *, ips_scb_t *); | |
245 | static int ips_rdcap(ips_ha_t *, ips_scb_t *); | |
246 | static int ips_msense(ips_ha_t *, ips_scb_t *); | |
247 | static int ips_reqsen(ips_ha_t *, ips_scb_t *); | |
248 | static int ips_deallocatescbs(ips_ha_t *, int); | |
249 | static int ips_allocatescbs(ips_ha_t *); | |
250 | static int ips_reset_copperhead(ips_ha_t *); | |
251 | static int ips_reset_copperhead_memio(ips_ha_t *); | |
252 | static int ips_reset_morpheus(ips_ha_t *); | |
253 | static int ips_issue_copperhead(ips_ha_t *, ips_scb_t *); | |
254 | static int ips_issue_copperhead_memio(ips_ha_t *, ips_scb_t *); | |
255 | static int ips_issue_i2o(ips_ha_t *, ips_scb_t *); | |
256 | static int ips_issue_i2o_memio(ips_ha_t *, ips_scb_t *); | |
257 | static int ips_isintr_copperhead(ips_ha_t *); | |
258 | static int ips_isintr_copperhead_memio(ips_ha_t *); | |
259 | static int ips_isintr_morpheus(ips_ha_t *); | |
260 | static int ips_wait(ips_ha_t *, int, int); | |
261 | static int ips_write_driver_status(ips_ha_t *, int); | |
262 | static int ips_read_adapter_status(ips_ha_t *, int); | |
263 | static int ips_read_subsystem_parameters(ips_ha_t *, int); | |
264 | static int ips_read_config(ips_ha_t *, int); | |
265 | static int ips_clear_adapter(ips_ha_t *, int); | |
266 | static int ips_readwrite_page5(ips_ha_t *, int, int); | |
267 | static int ips_init_copperhead(ips_ha_t *); | |
268 | static int ips_init_copperhead_memio(ips_ha_t *); | |
269 | static int ips_init_morpheus(ips_ha_t *); | |
270 | static int ips_isinit_copperhead(ips_ha_t *); | |
271 | static int ips_isinit_copperhead_memio(ips_ha_t *); | |
272 | static int ips_isinit_morpheus(ips_ha_t *); | |
273 | static int ips_erase_bios(ips_ha_t *); | |
274 | static int ips_program_bios(ips_ha_t *, char *, uint32_t, uint32_t); | |
275 | static int ips_verify_bios(ips_ha_t *, char *, uint32_t, uint32_t); | |
276 | static int ips_erase_bios_memio(ips_ha_t *); | |
277 | static int ips_program_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t); | |
278 | static int ips_verify_bios_memio(ips_ha_t *, char *, uint32_t, uint32_t); | |
279 | static int ips_flash_copperhead(ips_ha_t *, ips_passthru_t *, ips_scb_t *); | |
280 | static int ips_flash_bios(ips_ha_t *, ips_passthru_t *, ips_scb_t *); | |
281 | static int ips_flash_firmware(ips_ha_t *, ips_passthru_t *, ips_scb_t *); | |
282 | static void ips_free_flash_copperhead(ips_ha_t * ha); | |
283 | static void ips_get_bios_version(ips_ha_t *, int); | |
284 | static void ips_identify_controller(ips_ha_t *); | |
285 | static void ips_chkstatus(ips_ha_t *, IPS_STATUS *); | |
286 | static void ips_enable_int_copperhead(ips_ha_t *); | |
287 | static void ips_enable_int_copperhead_memio(ips_ha_t *); | |
288 | static void ips_enable_int_morpheus(ips_ha_t *); | |
289 | static int ips_intr_copperhead(ips_ha_t *); | |
290 | static int ips_intr_morpheus(ips_ha_t *); | |
291 | static void ips_next(ips_ha_t *, int); | |
292 | static void ipsintr_blocking(ips_ha_t *, struct ips_scb *); | |
293 | static void ipsintr_done(ips_ha_t *, struct ips_scb *); | |
294 | static void ips_done(ips_ha_t *, ips_scb_t *); | |
295 | static void ips_free(ips_ha_t *); | |
296 | static void ips_init_scb(ips_ha_t *, ips_scb_t *); | |
297 | static void ips_freescb(ips_ha_t *, ips_scb_t *); | |
298 | static void ips_setup_funclist(ips_ha_t *); | |
299 | static void ips_statinit(ips_ha_t *); | |
300 | static void ips_statinit_memio(ips_ha_t *); | |
301 | static void ips_fix_ffdc_time(ips_ha_t *, ips_scb_t *, time_t); | |
302 | static void ips_ffdc_reset(ips_ha_t *, int); | |
303 | static void ips_ffdc_time(ips_ha_t *); | |
304 | static uint32_t ips_statupd_copperhead(ips_ha_t *); | |
305 | static uint32_t ips_statupd_copperhead_memio(ips_ha_t *); | |
306 | static uint32_t ips_statupd_morpheus(ips_ha_t *); | |
307 | static ips_scb_t *ips_getscb(ips_ha_t *); | |
308 | static void ips_putq_scb_head(ips_scb_queue_t *, ips_scb_t *); | |
1516b55d | 309 | static void ips_putq_wait_tail(ips_wait_queue_t *, struct scsi_cmnd *); |
1da177e4 LT |
310 | static void ips_putq_copp_tail(ips_copp_queue_t *, |
311 | ips_copp_wait_item_t *); | |
312 | static ips_scb_t *ips_removeq_scb_head(ips_scb_queue_t *); | |
313 | static ips_scb_t *ips_removeq_scb(ips_scb_queue_t *, ips_scb_t *); | |
1516b55d H |
314 | static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *); |
315 | static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *, | |
316 | struct scsi_cmnd *); | |
1da177e4 LT |
317 | static ips_copp_wait_item_t *ips_removeq_copp(ips_copp_queue_t *, |
318 | ips_copp_wait_item_t *); | |
319 | static ips_copp_wait_item_t *ips_removeq_copp_head(ips_copp_queue_t *); | |
320 | ||
1516b55d H |
321 | static int ips_is_passthru(struct scsi_cmnd *); |
322 | static int ips_make_passthru(ips_ha_t *, struct scsi_cmnd *, ips_scb_t *, int); | |
1da177e4 LT |
323 | static int ips_usrcmd(ips_ha_t *, ips_passthru_t *, ips_scb_t *); |
324 | static void ips_cleanup_passthru(ips_ha_t *, ips_scb_t *); | |
1516b55d | 325 | static void ips_scmd_buf_write(struct scsi_cmnd * scmd, void *data, |
1da177e4 | 326 | unsigned int count); |
1516b55d H |
327 | static void ips_scmd_buf_read(struct scsi_cmnd * scmd, void *data, |
328 | unsigned int count); | |
1da177e4 LT |
329 | |
330 | static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int); | |
331 | static int ips_host_info(ips_ha_t *, char *, off_t, int); | |
332 | static void copy_mem_info(IPS_INFOSTR *, char *, int); | |
333 | static int copy_info(IPS_INFOSTR *, char *, ...); | |
1da177e4 LT |
334 | static int ips_abort_init(ips_ha_t * ha, int index); |
335 | static int ips_init_phase2(int index); | |
336 | ||
337 | static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr); | |
338 | static int ips_register_scsi(int index); | |
339 | ||
ee807c2d JH |
340 | static int ips_poll_for_flush_complete(ips_ha_t * ha); |
341 | static void ips_flush_and_reset(ips_ha_t *ha); | |
342 | ||
1da177e4 LT |
343 | /* |
344 | * global variables | |
345 | */ | |
346 | static const char ips_name[] = "ips"; | |
347 | static struct Scsi_Host *ips_sh[IPS_MAX_ADAPTERS]; /* Array of host controller structures */ | |
348 | static ips_ha_t *ips_ha[IPS_MAX_ADAPTERS]; /* Array of HA structures */ | |
349 | static unsigned int ips_next_controller; | |
350 | static unsigned int ips_num_controllers; | |
351 | static unsigned int ips_released_controllers; | |
352 | static int ips_hotplug; | |
353 | static int ips_cmd_timeout = 60; | |
354 | static int ips_reset_timeout = 60 * 5; | |
355 | static int ips_force_memio = 1; /* Always use Memory Mapped I/O */ | |
356 | static int ips_force_i2o = 1; /* Always use I2O command delivery */ | |
357 | static int ips_ioctlsize = IPS_IOCTL_SIZE; /* Size of the ioctl buffer */ | |
358 | static int ips_cd_boot; /* Booting from Manager CD */ | |
359 | static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */ | |
360 | static dma_addr_t ips_flashbusaddr; | |
361 | static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */ | |
362 | static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */ | |
d0be4a7d | 363 | static struct scsi_host_template ips_driver_template = { |
1da177e4 LT |
364 | .detect = ips_detect, |
365 | .release = ips_release, | |
366 | .info = ips_info, | |
367 | .queuecommand = ips_queue, | |
368 | .eh_abort_handler = ips_eh_abort, | |
369 | .eh_host_reset_handler = ips_eh_reset, | |
370 | .proc_name = "ips", | |
1da177e4 LT |
371 | .proc_info = ips_proc_info, |
372 | .slave_configure = ips_slave_configure, | |
1da177e4 LT |
373 | .bios_param = ips_biosparam, |
374 | .this_id = -1, | |
375 | .sg_tablesize = IPS_MAX_SG, | |
376 | .cmd_per_lun = 3, | |
377 | .use_clustering = ENABLE_CLUSTERING, | |
1da177e4 LT |
378 | }; |
379 | ||
1da177e4 LT |
380 | |
381 | /* This table describes all ServeRAID Adapters */ | |
382 | static struct pci_device_id ips_pci_table[] = { | |
383 | { 0x1014, 0x002E, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, | |
384 | { 0x1014, 0x01BD, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, | |
385 | { 0x9005, 0x0250, PCI_ANY_ID, PCI_ANY_ID, 0, 0 }, | |
386 | { 0, } | |
387 | }; | |
388 | ||
389 | MODULE_DEVICE_TABLE( pci, ips_pci_table ); | |
390 | ||
391 | static char ips_hot_plug_name[] = "ips"; | |
392 | ||
393 | static int __devinit ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent); | |
394 | static void __devexit ips_remove_device(struct pci_dev *pci_dev); | |
395 | ||
396 | static struct pci_driver ips_pci_driver = { | |
397 | .name = ips_hot_plug_name, | |
398 | .id_table = ips_pci_table, | |
399 | .probe = ips_insert_device, | |
400 | .remove = __devexit_p(ips_remove_device), | |
401 | }; | |
402 | ||
403 | ||
404 | /* | |
405 | * Necessary forward function protoypes | |
406 | */ | |
407 | static int ips_halt(struct notifier_block *nb, ulong event, void *buf); | |
408 | ||
409 | #define MAX_ADAPTER_NAME 15 | |
410 | ||
411 | static char ips_adapter_name[][30] = { | |
412 | "ServeRAID", | |
413 | "ServeRAID II", | |
414 | "ServeRAID on motherboard", | |
415 | "ServeRAID on motherboard", | |
416 | "ServeRAID 3H", | |
417 | "ServeRAID 3L", | |
418 | "ServeRAID 4H", | |
419 | "ServeRAID 4M", | |
420 | "ServeRAID 4L", | |
421 | "ServeRAID 4Mx", | |
422 | "ServeRAID 4Lx", | |
423 | "ServeRAID 5i", | |
424 | "ServeRAID 5i", | |
425 | "ServeRAID 6M", | |
426 | "ServeRAID 6i", | |
427 | "ServeRAID 7t", | |
428 | "ServeRAID 7k", | |
429 | "ServeRAID 7M" | |
430 | }; | |
431 | ||
432 | static struct notifier_block ips_notifier = { | |
433 | ips_halt, NULL, 0 | |
434 | }; | |
435 | ||
436 | /* | |
437 | * Direction table | |
438 | */ | |
439 | static char ips_command_direction[] = { | |
440 | IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, | |
441 | IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, | |
442 | IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
443 | IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT, | |
444 | IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_OUT, | |
445 | IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_OUT, | |
446 | IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_IN, | |
447 | IPS_DATA_UNK, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, | |
448 | IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_UNK, | |
449 | IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, | |
450 | IPS_DATA_OUT, IPS_DATA_NONE, IPS_DATA_IN, IPS_DATA_NONE, IPS_DATA_NONE, | |
451 | IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, | |
452 | IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_OUT, | |
453 | IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_IN, IPS_DATA_NONE, | |
454 | IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, | |
455 | IPS_DATA_NONE, IPS_DATA_OUT, IPS_DATA_IN, 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_OUT, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
458 | IPS_DATA_IN, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
459 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
460 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
461 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
462 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
463 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
464 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
465 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
466 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
467 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
468 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
469 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
470 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
471 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
472 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
473 | IPS_DATA_NONE, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_NONE, | |
474 | IPS_DATA_OUT, IPS_DATA_UNK, IPS_DATA_NONE, IPS_DATA_UNK, IPS_DATA_OUT, | |
475 | IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_OUT, IPS_DATA_NONE, | |
476 | IPS_DATA_UNK, IPS_DATA_IN, IPS_DATA_OUT, IPS_DATA_IN, IPS_DATA_IN, | |
477 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
478 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
479 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
480 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
481 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
482 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
483 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
484 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
485 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
486 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_OUT, | |
487 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
488 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
489 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, | |
490 | IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK, IPS_DATA_UNK | |
491 | }; | |
492 | ||
493 | ||
494 | /****************************************************************************/ | |
495 | /* */ | |
496 | /* Routine Name: ips_setup */ | |
497 | /* */ | |
498 | /* Routine Description: */ | |
499 | /* */ | |
500 | /* setup parameters to the driver */ | |
501 | /* */ | |
502 | /****************************************************************************/ | |
503 | static int | |
504 | ips_setup(char *ips_str) | |
505 | { | |
506 | ||
507 | int i; | |
508 | char *key; | |
509 | char *value; | |
510 | IPS_OPTION options[] = { | |
511 | {"noi2o", &ips_force_i2o, 0}, | |
512 | {"nommap", &ips_force_memio, 0}, | |
513 | {"ioctlsize", &ips_ioctlsize, IPS_IOCTL_SIZE}, | |
514 | {"cdboot", &ips_cd_boot, 0}, | |
515 | {"maxcmds", &MaxLiteCmds, 32}, | |
516 | }; | |
517 | ||
518 | /* Don't use strtok() anymore ( if 2.4 Kernel or beyond ) */ | |
519 | /* Search for value */ | |
520 | while ((key = strsep(&ips_str, ",."))) { | |
521 | if (!*key) | |
522 | continue; | |
523 | value = strchr(key, ':'); | |
524 | if (value) | |
525 | *value++ = '\0'; | |
526 | /* | |
527 | * We now have key/value pairs. | |
528 | * Update the variables | |
529 | */ | |
6391a113 | 530 | for (i = 0; i < ARRAY_SIZE(options); i++) { |
1da177e4 LT |
531 | if (strnicmp |
532 | (key, options[i].option_name, | |
533 | strlen(options[i].option_name)) == 0) { | |
534 | if (value) | |
535 | *options[i].option_flag = | |
536 | simple_strtoul(value, NULL, 0); | |
537 | else | |
538 | *options[i].option_flag = | |
539 | options[i].option_value; | |
540 | break; | |
541 | } | |
542 | } | |
543 | } | |
544 | ||
545 | return (1); | |
546 | } | |
547 | ||
548 | __setup("ips=", ips_setup); | |
549 | ||
550 | /****************************************************************************/ | |
551 | /* */ | |
552 | /* Routine Name: ips_detect */ | |
553 | /* */ | |
554 | /* Routine Description: */ | |
555 | /* */ | |
556 | /* Detect and initialize the driver */ | |
557 | /* */ | |
558 | /* NOTE: this routine is called under the io_request_lock spinlock */ | |
559 | /* */ | |
560 | /****************************************************************************/ | |
561 | static int | |
d0be4a7d | 562 | ips_detect(struct scsi_host_template * SHT) |
1da177e4 LT |
563 | { |
564 | int i; | |
565 | ||
566 | METHOD_TRACE("ips_detect", 1); | |
567 | ||
568 | #ifdef MODULE | |
569 | if (ips) | |
570 | ips_setup(ips); | |
571 | #endif | |
572 | ||
573 | for (i = 0; i < ips_num_controllers; i++) { | |
574 | if (ips_register_scsi(i)) | |
575 | ips_free(ips_ha[i]); | |
576 | ips_released_controllers++; | |
577 | } | |
578 | ips_hotplug = 1; | |
579 | return (ips_num_controllers); | |
580 | } | |
581 | ||
582 | /****************************************************************************/ | |
583 | /* configure the function pointers to use the functions that will work */ | |
584 | /* with the found version of the adapter */ | |
585 | /****************************************************************************/ | |
586 | static void | |
587 | ips_setup_funclist(ips_ha_t * ha) | |
588 | { | |
589 | ||
590 | /* | |
591 | * Setup Functions | |
592 | */ | |
593 | if (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha)) { | |
594 | /* morpheus / marco / sebring */ | |
595 | ha->func.isintr = ips_isintr_morpheus; | |
596 | ha->func.isinit = ips_isinit_morpheus; | |
597 | ha->func.issue = ips_issue_i2o_memio; | |
598 | ha->func.init = ips_init_morpheus; | |
599 | ha->func.statupd = ips_statupd_morpheus; | |
600 | ha->func.reset = ips_reset_morpheus; | |
601 | ha->func.intr = ips_intr_morpheus; | |
602 | ha->func.enableint = ips_enable_int_morpheus; | |
603 | } else if (IPS_USE_MEMIO(ha)) { | |
604 | /* copperhead w/MEMIO */ | |
605 | ha->func.isintr = ips_isintr_copperhead_memio; | |
606 | ha->func.isinit = ips_isinit_copperhead_memio; | |
607 | ha->func.init = ips_init_copperhead_memio; | |
608 | ha->func.statupd = ips_statupd_copperhead_memio; | |
609 | ha->func.statinit = ips_statinit_memio; | |
610 | ha->func.reset = ips_reset_copperhead_memio; | |
611 | ha->func.intr = ips_intr_copperhead; | |
612 | ha->func.erasebios = ips_erase_bios_memio; | |
613 | ha->func.programbios = ips_program_bios_memio; | |
614 | ha->func.verifybios = ips_verify_bios_memio; | |
615 | ha->func.enableint = ips_enable_int_copperhead_memio; | |
616 | if (IPS_USE_I2O_DELIVER(ha)) | |
617 | ha->func.issue = ips_issue_i2o_memio; | |
618 | else | |
619 | ha->func.issue = ips_issue_copperhead_memio; | |
620 | } else { | |
621 | /* copperhead */ | |
622 | ha->func.isintr = ips_isintr_copperhead; | |
623 | ha->func.isinit = ips_isinit_copperhead; | |
624 | ha->func.init = ips_init_copperhead; | |
625 | ha->func.statupd = ips_statupd_copperhead; | |
626 | ha->func.statinit = ips_statinit; | |
627 | ha->func.reset = ips_reset_copperhead; | |
628 | ha->func.intr = ips_intr_copperhead; | |
629 | ha->func.erasebios = ips_erase_bios; | |
630 | ha->func.programbios = ips_program_bios; | |
631 | ha->func.verifybios = ips_verify_bios; | |
632 | ha->func.enableint = ips_enable_int_copperhead; | |
633 | ||
634 | if (IPS_USE_I2O_DELIVER(ha)) | |
635 | ha->func.issue = ips_issue_i2o; | |
636 | else | |
637 | ha->func.issue = ips_issue_copperhead; | |
638 | } | |
639 | } | |
640 | ||
641 | /****************************************************************************/ | |
642 | /* */ | |
643 | /* Routine Name: ips_release */ | |
644 | /* */ | |
645 | /* Routine Description: */ | |
646 | /* */ | |
647 | /* Remove a driver */ | |
648 | /* */ | |
649 | /****************************************************************************/ | |
650 | static int | |
651 | ips_release(struct Scsi_Host *sh) | |
652 | { | |
653 | ips_scb_t *scb; | |
654 | ips_ha_t *ha; | |
655 | int i; | |
656 | ||
657 | METHOD_TRACE("ips_release", 1); | |
658 | ||
a50ee7a7 MW |
659 | scsi_remove_host(sh); |
660 | ||
1da177e4 LT |
661 | for (i = 0; i < IPS_MAX_ADAPTERS && ips_sh[i] != sh; i++) ; |
662 | ||
663 | if (i == IPS_MAX_ADAPTERS) { | |
664 | printk(KERN_WARNING | |
665 | "(%s) release, invalid Scsi_Host pointer.\n", ips_name); | |
666 | BUG(); | |
667 | return (FALSE); | |
668 | } | |
669 | ||
670 | ha = IPS_HA(sh); | |
671 | ||
672 | if (!ha) | |
673 | return (FALSE); | |
674 | ||
675 | /* flush the cache on the controller */ | |
676 | scb = &ha->scbs[ha->max_cmds - 1]; | |
677 | ||
678 | ips_init_scb(ha, scb); | |
679 | ||
680 | scb->timeout = ips_cmd_timeout; | |
681 | scb->cdb[0] = IPS_CMD_FLUSH; | |
682 | ||
683 | scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; | |
684 | scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); | |
685 | scb->cmd.flush_cache.state = IPS_NORM_STATE; | |
686 | scb->cmd.flush_cache.reserved = 0; | |
687 | scb->cmd.flush_cache.reserved2 = 0; | |
688 | scb->cmd.flush_cache.reserved3 = 0; | |
689 | scb->cmd.flush_cache.reserved4 = 0; | |
690 | ||
691 | IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n"); | |
692 | ||
693 | /* send command */ | |
694 | if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == IPS_FAILURE) | |
695 | IPS_PRINTK(KERN_WARNING, ha->pcidev, "Incomplete Flush.\n"); | |
696 | ||
697 | IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Complete.\n"); | |
698 | ||
699 | ips_sh[i] = NULL; | |
700 | ips_ha[i] = NULL; | |
701 | ||
702 | /* free extra memory */ | |
703 | ips_free(ha); | |
704 | ||
705 | /* Free I/O Region */ | |
706 | if (ha->io_addr) | |
707 | release_region(ha->io_addr, ha->io_len); | |
708 | ||
709 | /* free IRQ */ | |
710 | free_irq(ha->irq, ha); | |
711 | ||
1da177e4 LT |
712 | scsi_host_put(sh); |
713 | ||
714 | ips_released_controllers++; | |
715 | ||
716 | return (FALSE); | |
717 | } | |
718 | ||
719 | /****************************************************************************/ | |
720 | /* */ | |
721 | /* Routine Name: ips_halt */ | |
722 | /* */ | |
723 | /* Routine Description: */ | |
724 | /* */ | |
725 | /* Perform cleanup when the system reboots */ | |
726 | /* */ | |
727 | /****************************************************************************/ | |
728 | static int | |
729 | ips_halt(struct notifier_block *nb, ulong event, void *buf) | |
730 | { | |
731 | ips_scb_t *scb; | |
732 | ips_ha_t *ha; | |
733 | int i; | |
734 | ||
735 | if ((event != SYS_RESTART) && (event != SYS_HALT) && | |
736 | (event != SYS_POWER_OFF)) | |
737 | return (NOTIFY_DONE); | |
738 | ||
739 | for (i = 0; i < ips_next_controller; i++) { | |
740 | ha = (ips_ha_t *) ips_ha[i]; | |
741 | ||
742 | if (!ha) | |
743 | continue; | |
744 | ||
745 | if (!ha->active) | |
746 | continue; | |
747 | ||
748 | /* flush the cache on the controller */ | |
749 | scb = &ha->scbs[ha->max_cmds - 1]; | |
750 | ||
751 | ips_init_scb(ha, scb); | |
752 | ||
753 | scb->timeout = ips_cmd_timeout; | |
754 | scb->cdb[0] = IPS_CMD_FLUSH; | |
755 | ||
756 | scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; | |
757 | scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); | |
758 | scb->cmd.flush_cache.state = IPS_NORM_STATE; | |
759 | scb->cmd.flush_cache.reserved = 0; | |
760 | scb->cmd.flush_cache.reserved2 = 0; | |
761 | scb->cmd.flush_cache.reserved3 = 0; | |
762 | scb->cmd.flush_cache.reserved4 = 0; | |
763 | ||
764 | IPS_PRINTK(KERN_WARNING, ha->pcidev, "Flushing Cache.\n"); | |
765 | ||
766 | /* send command */ | |
767 | if (ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_ON) == | |
768 | IPS_FAILURE) | |
769 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
770 | "Incomplete Flush.\n"); | |
771 | else | |
772 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
773 | "Flushing Complete.\n"); | |
774 | } | |
775 | ||
776 | return (NOTIFY_OK); | |
777 | } | |
778 | ||
779 | /****************************************************************************/ | |
780 | /* */ | |
781 | /* Routine Name: ips_eh_abort */ | |
782 | /* */ | |
783 | /* Routine Description: */ | |
784 | /* */ | |
785 | /* Abort a command (using the new error code stuff) */ | |
786 | /* Note: this routine is called under the io_request_lock */ | |
787 | /****************************************************************************/ | |
1516b55d | 788 | int ips_eh_abort(struct scsi_cmnd *SC) |
1da177e4 LT |
789 | { |
790 | ips_ha_t *ha; | |
791 | ips_copp_wait_item_t *item; | |
792 | int ret; | |
8fa728a2 | 793 | struct Scsi_Host *host; |
1da177e4 LT |
794 | |
795 | METHOD_TRACE("ips_eh_abort", 1); | |
796 | ||
797 | if (!SC) | |
798 | return (FAILED); | |
799 | ||
8fa728a2 | 800 | host = SC->device->host; |
1da177e4 LT |
801 | ha = (ips_ha_t *) SC->device->host->hostdata; |
802 | ||
803 | if (!ha) | |
804 | return (FAILED); | |
805 | ||
806 | if (!ha->active) | |
807 | return (FAILED); | |
808 | ||
c6a6c81c | 809 | spin_lock(host->host_lock); |
8fa728a2 | 810 | |
1da177e4 LT |
811 | /* See if the command is on the copp queue */ |
812 | item = ha->copp_waitlist.head; | |
813 | while ((item) && (item->scsi_cmd != SC)) | |
814 | item = item->next; | |
815 | ||
816 | if (item) { | |
817 | /* Found it */ | |
818 | ips_removeq_copp(&ha->copp_waitlist, item); | |
819 | ret = (SUCCESS); | |
820 | ||
821 | /* See if the command is on the wait queue */ | |
822 | } else if (ips_removeq_wait(&ha->scb_waitlist, SC)) { | |
823 | /* command not sent yet */ | |
824 | ret = (SUCCESS); | |
825 | } else { | |
826 | /* command must have already been sent */ | |
827 | ret = (FAILED); | |
828 | } | |
8fa728a2 | 829 | |
c6a6c81c | 830 | spin_unlock(host->host_lock); |
1da177e4 LT |
831 | return ret; |
832 | } | |
833 | ||
834 | /****************************************************************************/ | |
835 | /* */ | |
836 | /* Routine Name: ips_eh_reset */ | |
837 | /* */ | |
838 | /* Routine Description: */ | |
839 | /* */ | |
840 | /* Reset the controller (with new eh error code) */ | |
841 | /* */ | |
842 | /* NOTE: this routine is called under the io_request_lock spinlock */ | |
843 | /* */ | |
844 | /****************************************************************************/ | |
1516b55d | 845 | static int __ips_eh_reset(struct scsi_cmnd *SC) |
1da177e4 LT |
846 | { |
847 | int ret; | |
848 | int i; | |
849 | ips_ha_t *ha; | |
850 | ips_scb_t *scb; | |
851 | ips_copp_wait_item_t *item; | |
852 | ||
853 | METHOD_TRACE("ips_eh_reset", 1); | |
854 | ||
855 | #ifdef NO_IPS_RESET | |
856 | return (FAILED); | |
857 | #else | |
858 | ||
859 | if (!SC) { | |
860 | DEBUG(1, "Reset called with NULL scsi command"); | |
861 | ||
862 | return (FAILED); | |
863 | } | |
864 | ||
865 | ha = (ips_ha_t *) SC->device->host->hostdata; | |
866 | ||
867 | if (!ha) { | |
868 | DEBUG(1, "Reset called with NULL ha struct"); | |
869 | ||
870 | return (FAILED); | |
871 | } | |
872 | ||
873 | if (!ha->active) | |
874 | return (FAILED); | |
875 | ||
876 | /* See if the command is on the copp queue */ | |
877 | item = ha->copp_waitlist.head; | |
878 | while ((item) && (item->scsi_cmd != SC)) | |
879 | item = item->next; | |
880 | ||
881 | if (item) { | |
882 | /* Found it */ | |
883 | ips_removeq_copp(&ha->copp_waitlist, item); | |
884 | return (SUCCESS); | |
885 | } | |
886 | ||
887 | /* See if the command is on the wait queue */ | |
888 | if (ips_removeq_wait(&ha->scb_waitlist, SC)) { | |
889 | /* command not sent yet */ | |
890 | return (SUCCESS); | |
891 | } | |
892 | ||
893 | /* An explanation for the casual observer: */ | |
894 | /* Part of the function of a RAID controller is automatic error */ | |
895 | /* detection and recovery. As such, the only problem that physically */ | |
896 | /* resetting an adapter will ever fix is when, for some reason, */ | |
897 | /* the driver is not successfully communicating with the adapter. */ | |
898 | /* Therefore, we will attempt to flush this adapter. If that succeeds, */ | |
899 | /* then there's no real purpose in a physical reset. This will complete */ | |
900 | /* much faster and avoids any problems that might be caused by a */ | |
901 | /* physical reset ( such as having to fail all the outstanding I/O's ). */ | |
902 | ||
903 | if (ha->ioctl_reset == 0) { /* IF Not an IOCTL Requested Reset */ | |
904 | scb = &ha->scbs[ha->max_cmds - 1]; | |
905 | ||
906 | ips_init_scb(ha, scb); | |
907 | ||
908 | scb->timeout = ips_cmd_timeout; | |
909 | scb->cdb[0] = IPS_CMD_FLUSH; | |
910 | ||
911 | scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; | |
912 | scb->cmd.flush_cache.command_id = IPS_COMMAND_ID(ha, scb); | |
913 | scb->cmd.flush_cache.state = IPS_NORM_STATE; | |
914 | scb->cmd.flush_cache.reserved = 0; | |
915 | scb->cmd.flush_cache.reserved2 = 0; | |
916 | scb->cmd.flush_cache.reserved3 = 0; | |
917 | scb->cmd.flush_cache.reserved4 = 0; | |
918 | ||
919 | /* Attempt the flush command */ | |
920 | ret = ips_send_wait(ha, scb, ips_cmd_timeout, IPS_INTR_IORL); | |
921 | if (ret == IPS_SUCCESS) { | |
922 | IPS_PRINTK(KERN_NOTICE, ha->pcidev, | |
923 | "Reset Request - Flushed Cache\n"); | |
924 | return (SUCCESS); | |
925 | } | |
926 | } | |
927 | ||
928 | /* Either we can't communicate with the adapter or it's an IOCTL request */ | |
929 | /* from a utility. A physical reset is needed at this point. */ | |
930 | ||
931 | ha->ioctl_reset = 0; /* Reset the IOCTL Requested Reset Flag */ | |
932 | ||
933 | /* | |
934 | * command must have already been sent | |
935 | * reset the controller | |
936 | */ | |
937 | IPS_PRINTK(KERN_NOTICE, ha->pcidev, "Resetting controller.\n"); | |
938 | ret = (*ha->func.reset) (ha); | |
939 | ||
940 | if (!ret) { | |
1516b55d | 941 | struct scsi_cmnd *scsi_cmd; |
1da177e4 LT |
942 | |
943 | IPS_PRINTK(KERN_NOTICE, ha->pcidev, | |
944 | "Controller reset failed - controller now offline.\n"); | |
945 | ||
946 | /* Now fail all of the active commands */ | |
947 | DEBUG_VAR(1, "(%s%d) Failing active commands", | |
948 | ips_name, ha->host_num); | |
949 | ||
950 | while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { | |
951 | scb->scsi_cmd->result = DID_ERROR << 16; | |
952 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
953 | ips_freescb(ha, scb); | |
954 | } | |
955 | ||
956 | /* Now fail all of the pending commands */ | |
957 | DEBUG_VAR(1, "(%s%d) Failing pending commands", | |
958 | ips_name, ha->host_num); | |
959 | ||
960 | while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) { | |
961 | scsi_cmd->result = DID_ERROR; | |
962 | scsi_cmd->scsi_done(scsi_cmd); | |
963 | } | |
964 | ||
965 | ha->active = FALSE; | |
966 | return (FAILED); | |
967 | } | |
968 | ||
969 | if (!ips_clear_adapter(ha, IPS_INTR_IORL)) { | |
1516b55d | 970 | struct scsi_cmnd *scsi_cmd; |
1da177e4 LT |
971 | |
972 | IPS_PRINTK(KERN_NOTICE, ha->pcidev, | |
973 | "Controller reset failed - controller now offline.\n"); | |
974 | ||
975 | /* Now fail all of the active commands */ | |
976 | DEBUG_VAR(1, "(%s%d) Failing active commands", | |
977 | ips_name, ha->host_num); | |
978 | ||
979 | while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { | |
980 | scb->scsi_cmd->result = DID_ERROR << 16; | |
981 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
982 | ips_freescb(ha, scb); | |
983 | } | |
984 | ||
985 | /* Now fail all of the pending commands */ | |
986 | DEBUG_VAR(1, "(%s%d) Failing pending commands", | |
987 | ips_name, ha->host_num); | |
988 | ||
989 | while ((scsi_cmd = ips_removeq_wait_head(&ha->scb_waitlist))) { | |
990 | scsi_cmd->result = DID_ERROR << 16; | |
991 | scsi_cmd->scsi_done(scsi_cmd); | |
992 | } | |
993 | ||
994 | ha->active = FALSE; | |
995 | return (FAILED); | |
996 | } | |
997 | ||
998 | /* FFDC */ | |
999 | if (le32_to_cpu(ha->subsys->param[3]) & 0x300000) { | |
1000 | struct timeval tv; | |
1001 | ||
1002 | do_gettimeofday(&tv); | |
1003 | ha->last_ffdc = tv.tv_sec; | |
1004 | ha->reset_count++; | |
1005 | ips_ffdc_reset(ha, IPS_INTR_IORL); | |
1006 | } | |
1007 | ||
1008 | /* Now fail all of the active commands */ | |
1009 | DEBUG_VAR(1, "(%s%d) Failing active commands", ips_name, ha->host_num); | |
1010 | ||
1011 | while ((scb = ips_removeq_scb_head(&ha->scb_activelist))) { | |
1012 | scb->scsi_cmd->result = | |
1013 | (DID_RESET << 16) | (SUGGEST_RETRY << 24); | |
1014 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
1015 | ips_freescb(ha, scb); | |
1016 | } | |
1017 | ||
1018 | /* Reset DCDB active command bits */ | |
1019 | for (i = 1; i < ha->nbus; i++) | |
1020 | ha->dcdb_active[i - 1] = 0; | |
1021 | ||
1022 | /* Reset the number of active IOCTLs */ | |
1023 | ha->num_ioctl = 0; | |
1024 | ||
1025 | ips_next(ha, IPS_INTR_IORL); | |
1026 | ||
1027 | return (SUCCESS); | |
1028 | #endif /* NO_IPS_RESET */ | |
1029 | ||
1030 | } | |
1031 | ||
1516b55d | 1032 | static int ips_eh_reset(struct scsi_cmnd *SC) |
df0ae249 JG |
1033 | { |
1034 | int rc; | |
1035 | ||
1036 | spin_lock_irq(SC->device->host->host_lock); | |
1037 | rc = __ips_eh_reset(SC); | |
1038 | spin_unlock_irq(SC->device->host->host_lock); | |
1039 | ||
1040 | return rc; | |
1041 | } | |
1042 | ||
1da177e4 LT |
1043 | /****************************************************************************/ |
1044 | /* */ | |
1045 | /* Routine Name: ips_queue */ | |
1046 | /* */ | |
1047 | /* Routine Description: */ | |
1048 | /* */ | |
1049 | /* Send a command to the controller */ | |
1050 | /* */ | |
1051 | /* NOTE: */ | |
1052 | /* Linux obtains io_request_lock before calling this function */ | |
1053 | /* */ | |
1054 | /****************************************************************************/ | |
1516b55d | 1055 | static int ips_queue(struct scsi_cmnd *SC, void (*done) (struct scsi_cmnd *)) |
1da177e4 LT |
1056 | { |
1057 | ips_ha_t *ha; | |
1058 | ips_passthru_t *pt; | |
1059 | ||
1060 | METHOD_TRACE("ips_queue", 1); | |
1061 | ||
1062 | ha = (ips_ha_t *) SC->device->host->hostdata; | |
1063 | ||
1064 | if (!ha) | |
1065 | return (1); | |
1066 | ||
1067 | if (!ha->active) | |
1068 | return (DID_ERROR); | |
1069 | ||
1070 | if (ips_is_passthru(SC)) { | |
1071 | if (ha->copp_waitlist.count == IPS_MAX_IOCTL_QUEUE) { | |
1072 | SC->result = DID_BUS_BUSY << 16; | |
1073 | done(SC); | |
1074 | ||
1075 | return (0); | |
1076 | } | |
1077 | } else if (ha->scb_waitlist.count == IPS_MAX_QUEUE) { | |
1078 | SC->result = DID_BUS_BUSY << 16; | |
1079 | done(SC); | |
1080 | ||
1081 | return (0); | |
1082 | } | |
1083 | ||
1084 | SC->scsi_done = done; | |
1085 | ||
1086 | DEBUG_VAR(2, "(%s%d): ips_queue: cmd 0x%X (%d %d %d)", | |
1087 | ips_name, | |
1088 | ha->host_num, | |
1089 | SC->cmnd[0], | |
1090 | SC->device->channel, SC->device->id, SC->device->lun); | |
1091 | ||
1092 | /* Check for command to initiator IDs */ | |
422c0d61 JG |
1093 | if ((scmd_channel(SC) > 0) |
1094 | && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) { | |
1da177e4 LT |
1095 | SC->result = DID_NO_CONNECT << 16; |
1096 | done(SC); | |
1097 | ||
1098 | return (0); | |
1099 | } | |
1100 | ||
1101 | if (ips_is_passthru(SC)) { | |
1102 | ||
1103 | ips_copp_wait_item_t *scratch; | |
1104 | ||
1105 | /* A Reset IOCTL is only sent by the boot CD in extreme cases. */ | |
1106 | /* There can never be any system activity ( network or disk ), but check */ | |
1107 | /* anyway just as a good practice. */ | |
2f4cf91c | 1108 | pt = (ips_passthru_t *) scsi_sglist(SC); |
1da177e4 LT |
1109 | if ((pt->CoppCP.cmd.reset.op_code == IPS_CMD_RESET_CHANNEL) && |
1110 | (pt->CoppCP.cmd.reset.adapter_flag == 1)) { | |
1111 | if (ha->scb_activelist.count != 0) { | |
1112 | SC->result = DID_BUS_BUSY << 16; | |
1113 | done(SC); | |
1114 | return (0); | |
1115 | } | |
1116 | ha->ioctl_reset = 1; /* This reset request is from an IOCTL */ | |
ba3af0af | 1117 | __ips_eh_reset(SC); |
1da177e4 LT |
1118 | SC->result = DID_OK << 16; |
1119 | SC->scsi_done(SC); | |
1120 | return (0); | |
1121 | } | |
1122 | ||
1123 | /* allocate space for the scribble */ | |
1124 | scratch = kmalloc(sizeof (ips_copp_wait_item_t), GFP_ATOMIC); | |
1125 | ||
1126 | if (!scratch) { | |
1127 | SC->result = DID_ERROR << 16; | |
1128 | done(SC); | |
1129 | ||
1130 | return (0); | |
1131 | } | |
1132 | ||
1133 | scratch->scsi_cmd = SC; | |
1134 | scratch->next = NULL; | |
1135 | ||
1136 | ips_putq_copp_tail(&ha->copp_waitlist, scratch); | |
1137 | } else { | |
1138 | ips_putq_wait_tail(&ha->scb_waitlist, SC); | |
1139 | } | |
1140 | ||
1141 | ips_next(ha, IPS_INTR_IORL); | |
1142 | ||
1143 | return (0); | |
1144 | } | |
1145 | ||
1146 | /****************************************************************************/ | |
1147 | /* */ | |
1148 | /* Routine Name: ips_biosparam */ | |
1149 | /* */ | |
1150 | /* Routine Description: */ | |
1151 | /* */ | |
1152 | /* Set bios geometry for the controller */ | |
1153 | /* */ | |
1154 | /****************************************************************************/ | |
c6a6c81c AB |
1155 | static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev, |
1156 | sector_t capacity, int geom[]) | |
1da177e4 LT |
1157 | { |
1158 | ips_ha_t *ha = (ips_ha_t *) sdev->host->hostdata; | |
1da177e4 LT |
1159 | int heads; |
1160 | int sectors; | |
1161 | int cylinders; | |
1162 | ||
1163 | METHOD_TRACE("ips_biosparam", 1); | |
1164 | ||
1165 | if (!ha) | |
1166 | /* ?!?! host adater info invalid */ | |
1167 | return (0); | |
1168 | ||
1169 | if (!ha->active) | |
1170 | return (0); | |
1171 | ||
1172 | if (!ips_read_adapter_status(ha, IPS_INTR_ON)) | |
1173 | /* ?!?! Enquiry command failed */ | |
1174 | return (0); | |
1175 | ||
1176 | if ((capacity > 0x400000) && ((ha->enq->ucMiscFlag & 0x8) == 0)) { | |
1177 | heads = IPS_NORM_HEADS; | |
1178 | sectors = IPS_NORM_SECTORS; | |
1179 | } else { | |
1180 | heads = IPS_COMP_HEADS; | |
1181 | sectors = IPS_COMP_SECTORS; | |
1182 | } | |
1183 | ||
1184 | cylinders = (unsigned long) capacity / (heads * sectors); | |
1185 | ||
1186 | DEBUG_VAR(2, "Geometry: heads: %d, sectors: %d, cylinders: %d", | |
1187 | heads, sectors, cylinders); | |
1188 | ||
1189 | geom[0] = heads; | |
1190 | geom[1] = sectors; | |
1191 | geom[2] = cylinders; | |
1192 | ||
1193 | return (0); | |
1194 | } | |
1195 | ||
1da177e4 LT |
1196 | /****************************************************************************/ |
1197 | /* */ | |
1198 | /* Routine Name: ips_slave_configure */ | |
1199 | /* */ | |
1200 | /* Routine Description: */ | |
1201 | /* */ | |
1202 | /* Set queue depths on devices once scan is complete */ | |
1203 | /* */ | |
1204 | /****************************************************************************/ | |
1205 | static int | |
f64a181d | 1206 | ips_slave_configure(struct scsi_device * SDptr) |
1da177e4 LT |
1207 | { |
1208 | ips_ha_t *ha; | |
1209 | int min; | |
1210 | ||
1211 | ha = IPS_HA(SDptr->host); | |
1212 | if (SDptr->tagged_supported && SDptr->type == TYPE_DISK) { | |
1213 | min = ha->max_cmds / 2; | |
1214 | if (ha->enq->ucLogDriveCount <= 2) | |
1215 | min = ha->max_cmds - 1; | |
1216 | scsi_adjust_queue_depth(SDptr, MSG_ORDERED_TAG, min); | |
1217 | } | |
560c26c8 JH |
1218 | |
1219 | SDptr->skip_ms_page_8 = 1; | |
1220 | SDptr->skip_ms_page_3f = 1; | |
1da177e4 LT |
1221 | return 0; |
1222 | } | |
1da177e4 LT |
1223 | |
1224 | /****************************************************************************/ | |
1225 | /* */ | |
1226 | /* Routine Name: do_ipsintr */ | |
1227 | /* */ | |
1228 | /* Routine Description: */ | |
1229 | /* */ | |
1230 | /* Wrapper for the interrupt handler */ | |
1231 | /* */ | |
1232 | /****************************************************************************/ | |
1233 | static irqreturn_t | |
7d12e780 | 1234 | do_ipsintr(int irq, void *dev_id) |
1da177e4 LT |
1235 | { |
1236 | ips_ha_t *ha; | |
1da177e4 LT |
1237 | struct Scsi_Host *host; |
1238 | int irqstatus; | |
1239 | ||
1240 | METHOD_TRACE("do_ipsintr", 2); | |
1241 | ||
1242 | ha = (ips_ha_t *) dev_id; | |
1243 | if (!ha) | |
1244 | return IRQ_NONE; | |
1245 | host = ips_sh[ha->host_num]; | |
1246 | /* interrupt during initialization */ | |
1247 | if (!host) { | |
1248 | (*ha->func.intr) (ha); | |
1249 | return IRQ_HANDLED; | |
1250 | } | |
1251 | ||
c6a6c81c | 1252 | spin_lock(host->host_lock); |
1da177e4 LT |
1253 | |
1254 | if (!ha->active) { | |
c6a6c81c | 1255 | spin_unlock(host->host_lock); |
1da177e4 LT |
1256 | return IRQ_HANDLED; |
1257 | } | |
1258 | ||
1259 | irqstatus = (*ha->func.intr) (ha); | |
1260 | ||
c6a6c81c | 1261 | spin_unlock(host->host_lock); |
1da177e4 LT |
1262 | |
1263 | /* start the next command */ | |
1264 | ips_next(ha, IPS_INTR_ON); | |
1265 | return IRQ_RETVAL(irqstatus); | |
1266 | } | |
1267 | ||
1268 | /****************************************************************************/ | |
1269 | /* */ | |
1270 | /* Routine Name: ips_intr_copperhead */ | |
1271 | /* */ | |
1272 | /* Routine Description: */ | |
1273 | /* */ | |
1274 | /* Polling interrupt handler */ | |
1275 | /* */ | |
1276 | /* ASSUMES interrupts are disabled */ | |
1277 | /* */ | |
1278 | /****************************************************************************/ | |
1279 | int | |
1280 | ips_intr_copperhead(ips_ha_t * ha) | |
1281 | { | |
1282 | ips_stat_t *sp; | |
1283 | ips_scb_t *scb; | |
1284 | IPS_STATUS cstatus; | |
1285 | int intrstatus; | |
1286 | ||
1287 | METHOD_TRACE("ips_intr", 2); | |
1288 | ||
1289 | if (!ha) | |
1290 | return 0; | |
1291 | ||
1292 | if (!ha->active) | |
1293 | return 0; | |
1294 | ||
1295 | intrstatus = (*ha->func.isintr) (ha); | |
1296 | ||
1297 | if (!intrstatus) { | |
1298 | /* | |
1299 | * Unexpected/Shared interrupt | |
1300 | */ | |
1301 | ||
1302 | return 0; | |
1303 | } | |
1304 | ||
1305 | while (TRUE) { | |
1306 | sp = &ha->sp; | |
1307 | ||
1308 | intrstatus = (*ha->func.isintr) (ha); | |
1309 | ||
1310 | if (!intrstatus) | |
1311 | break; | |
1312 | else | |
1313 | cstatus.value = (*ha->func.statupd) (ha); | |
1314 | ||
1315 | if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { | |
1316 | /* Spurious Interupt ? */ | |
1317 | continue; | |
1318 | } | |
1319 | ||
1320 | ips_chkstatus(ha, &cstatus); | |
1321 | scb = (ips_scb_t *) sp->scb_addr; | |
1322 | ||
1323 | /* | |
1324 | * use the callback function to finish things up | |
1325 | * NOTE: interrupts are OFF for this | |
1326 | */ | |
1327 | (*scb->callback) (ha, scb); | |
1328 | } /* end while */ | |
1329 | return 1; | |
1330 | } | |
1331 | ||
1332 | /****************************************************************************/ | |
1333 | /* */ | |
1334 | /* Routine Name: ips_intr_morpheus */ | |
1335 | /* */ | |
1336 | /* Routine Description: */ | |
1337 | /* */ | |
1338 | /* Polling interrupt handler */ | |
1339 | /* */ | |
1340 | /* ASSUMES interrupts are disabled */ | |
1341 | /* */ | |
1342 | /****************************************************************************/ | |
1343 | int | |
1344 | ips_intr_morpheus(ips_ha_t * ha) | |
1345 | { | |
1346 | ips_stat_t *sp; | |
1347 | ips_scb_t *scb; | |
1348 | IPS_STATUS cstatus; | |
1349 | int intrstatus; | |
1350 | ||
1351 | METHOD_TRACE("ips_intr_morpheus", 2); | |
1352 | ||
1353 | if (!ha) | |
1354 | return 0; | |
1355 | ||
1356 | if (!ha->active) | |
1357 | return 0; | |
1358 | ||
1359 | intrstatus = (*ha->func.isintr) (ha); | |
1360 | ||
1361 | if (!intrstatus) { | |
1362 | /* | |
1363 | * Unexpected/Shared interrupt | |
1364 | */ | |
1365 | ||
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | while (TRUE) { | |
1370 | sp = &ha->sp; | |
1371 | ||
1372 | intrstatus = (*ha->func.isintr) (ha); | |
1373 | ||
1374 | if (!intrstatus) | |
1375 | break; | |
1376 | else | |
1377 | cstatus.value = (*ha->func.statupd) (ha); | |
1378 | ||
1379 | if (cstatus.value == 0xffffffff) | |
1380 | /* No more to process */ | |
1381 | break; | |
1382 | ||
1383 | if (cstatus.fields.command_id > (IPS_MAX_CMDS - 1)) { | |
1384 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
1385 | "Spurious interrupt; no ccb.\n"); | |
1386 | ||
1387 | continue; | |
1388 | } | |
1389 | ||
1390 | ips_chkstatus(ha, &cstatus); | |
1391 | scb = (ips_scb_t *) sp->scb_addr; | |
1392 | ||
1393 | /* | |
1394 | * use the callback function to finish things up | |
1395 | * NOTE: interrupts are OFF for this | |
1396 | */ | |
1397 | (*scb->callback) (ha, scb); | |
1398 | } /* end while */ | |
1399 | return 1; | |
1400 | } | |
1401 | ||
1402 | /****************************************************************************/ | |
1403 | /* */ | |
1404 | /* Routine Name: ips_info */ | |
1405 | /* */ | |
1406 | /* Routine Description: */ | |
1407 | /* */ | |
1408 | /* Return info about the driver */ | |
1409 | /* */ | |
1410 | /****************************************************************************/ | |
1411 | static const char * | |
1412 | ips_info(struct Scsi_Host *SH) | |
1413 | { | |
1414 | static char buffer[256]; | |
1415 | char *bp; | |
1416 | ips_ha_t *ha; | |
1417 | ||
1418 | METHOD_TRACE("ips_info", 1); | |
1419 | ||
1420 | ha = IPS_HA(SH); | |
1421 | ||
1422 | if (!ha) | |
1423 | return (NULL); | |
1424 | ||
1425 | bp = &buffer[0]; | |
1426 | memset(bp, 0, sizeof (buffer)); | |
1427 | ||
1428 | sprintf(bp, "%s%s%s Build %d", "IBM PCI ServeRAID ", | |
1429 | IPS_VERSION_HIGH, IPS_VERSION_LOW, IPS_BUILD_IDENT); | |
1430 | ||
1431 | if (ha->ad_type > 0 && ha->ad_type <= MAX_ADAPTER_NAME) { | |
1432 | strcat(bp, " <"); | |
1433 | strcat(bp, ips_adapter_name[ha->ad_type - 1]); | |
1434 | strcat(bp, ">"); | |
1435 | } | |
1436 | ||
1437 | return (bp); | |
1438 | } | |
1439 | ||
1440 | /****************************************************************************/ | |
1441 | /* */ | |
1442 | /* Routine Name: ips_proc_info */ | |
1443 | /* */ | |
1444 | /* Routine Description: */ | |
1445 | /* */ | |
1446 | /* The passthru interface for the driver */ | |
1447 | /* */ | |
1448 | /****************************************************************************/ | |
1449 | static int | |
1450 | ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, | |
1451 | int length, int func) | |
1452 | { | |
1453 | int i; | |
1454 | int ret; | |
1455 | ips_ha_t *ha = NULL; | |
1456 | ||
1457 | METHOD_TRACE("ips_proc_info", 1); | |
1458 | ||
1459 | /* Find our host structure */ | |
1460 | for (i = 0; i < ips_next_controller; i++) { | |
1461 | if (ips_sh[i]) { | |
1462 | if (ips_sh[i] == host) { | |
1463 | ha = (ips_ha_t *) ips_sh[i]->hostdata; | |
1464 | break; | |
1465 | } | |
1466 | } | |
1467 | } | |
1468 | ||
1469 | if (!ha) | |
1470 | return (-EINVAL); | |
1471 | ||
1472 | if (func) { | |
1473 | /* write */ | |
1474 | return (0); | |
1475 | } else { | |
1476 | /* read */ | |
1477 | if (start) | |
1478 | *start = buffer; | |
1479 | ||
1480 | ret = ips_host_info(ha, buffer, offset, length); | |
1481 | ||
1482 | return (ret); | |
1483 | } | |
1484 | } | |
1485 | ||
1486 | /*--------------------------------------------------------------------------*/ | |
1487 | /* Helper Functions */ | |
1488 | /*--------------------------------------------------------------------------*/ | |
1489 | ||
1490 | /****************************************************************************/ | |
1491 | /* */ | |
1492 | /* Routine Name: ips_is_passthru */ | |
1493 | /* */ | |
1494 | /* Routine Description: */ | |
1495 | /* */ | |
1496 | /* Determine if the specified SCSI command is really a passthru command */ | |
1497 | /* */ | |
1498 | /****************************************************************************/ | |
1516b55d | 1499 | static int ips_is_passthru(struct scsi_cmnd *SC) |
1da177e4 | 1500 | { |
a3632fa3 JH |
1501 | unsigned long flags; |
1502 | ||
1da177e4 LT |
1503 | METHOD_TRACE("ips_is_passthru", 1); |
1504 | ||
1505 | if (!SC) | |
1506 | return (0); | |
1507 | ||
1508 | if ((SC->cmnd[0] == IPS_IOCTL_COMMAND) && | |
1509 | (SC->device->channel == 0) && | |
1510 | (SC->device->id == IPS_ADAPTER_ID) && | |
2f4cf91c FT |
1511 | (SC->device->lun == 0) && scsi_sglist(SC)) { |
1512 | struct scatterlist *sg = scsi_sglist(SC); | |
1513 | char *buffer; | |
1514 | ||
1515 | /* kmap_atomic() ensures addressability of the user buffer.*/ | |
1516 | /* local_irq_save() protects the KM_IRQ0 address slot. */ | |
1517 | local_irq_save(flags); | |
45711f1a | 1518 | buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; |
2f4cf91c FT |
1519 | if (buffer && buffer[0] == 'C' && buffer[1] == 'O' && |
1520 | buffer[2] == 'P' && buffer[3] == 'P') { | |
1521 | kunmap_atomic(buffer - sg->offset, KM_IRQ0); | |
1522 | local_irq_restore(flags); | |
1523 | return 1; | |
1524 | } | |
1525 | kunmap_atomic(buffer - sg->offset, KM_IRQ0); | |
1526 | local_irq_restore(flags); | |
1da177e4 LT |
1527 | } |
1528 | return 0; | |
1529 | } | |
1530 | ||
1531 | /****************************************************************************/ | |
1532 | /* */ | |
1533 | /* Routine Name: ips_alloc_passthru_buffer */ | |
1534 | /* */ | |
1535 | /* Routine Description: */ | |
1536 | /* allocate a buffer large enough for the ioctl data if the ioctl buffer */ | |
1537 | /* is too small or doesn't exist */ | |
1538 | /****************************************************************************/ | |
1539 | static int | |
1540 | ips_alloc_passthru_buffer(ips_ha_t * ha, int length) | |
1541 | { | |
1542 | void *bigger_buf; | |
1543 | dma_addr_t dma_busaddr; | |
1544 | ||
1545 | if (ha->ioctl_data && length <= ha->ioctl_len) | |
1546 | return 0; | |
1547 | /* there is no buffer or it's not big enough, allocate a new one */ | |
1548 | bigger_buf = pci_alloc_consistent(ha->pcidev, length, &dma_busaddr); | |
1549 | if (bigger_buf) { | |
1550 | /* free the old memory */ | |
1551 | pci_free_consistent(ha->pcidev, ha->ioctl_len, ha->ioctl_data, | |
1552 | ha->ioctl_busaddr); | |
1553 | /* use the new memory */ | |
1554 | ha->ioctl_data = (char *) bigger_buf; | |
1555 | ha->ioctl_len = length; | |
1556 | ha->ioctl_busaddr = dma_busaddr; | |
1557 | } else { | |
1558 | return -1; | |
1559 | } | |
1560 | return 0; | |
1561 | } | |
1562 | ||
1563 | /****************************************************************************/ | |
1564 | /* */ | |
1565 | /* Routine Name: ips_make_passthru */ | |
1566 | /* */ | |
1567 | /* Routine Description: */ | |
1568 | /* */ | |
1569 | /* Make a passthru command out of the info in the Scsi block */ | |
1570 | /* */ | |
1571 | /****************************************************************************/ | |
1572 | static int | |
1516b55d | 1573 | ips_make_passthru(ips_ha_t *ha, struct scsi_cmnd *SC, ips_scb_t *scb, int intr) |
1da177e4 LT |
1574 | { |
1575 | ips_passthru_t *pt; | |
1576 | int length = 0; | |
2f4cf91c FT |
1577 | int i, ret; |
1578 | struct scatterlist *sg = scsi_sglist(SC); | |
1da177e4 LT |
1579 | |
1580 | METHOD_TRACE("ips_make_passthru", 1); | |
1581 | ||
2f4cf91c FT |
1582 | scsi_for_each_sg(SC, sg, scsi_sg_count(SC), i) |
1583 | length += sg[i].length; | |
1584 | ||
1da177e4 LT |
1585 | if (length < sizeof (ips_passthru_t)) { |
1586 | /* wrong size */ | |
1587 | DEBUG_VAR(1, "(%s%d) Passthru structure wrong size", | |
1588 | ips_name, ha->host_num); | |
1589 | return (IPS_FAILURE); | |
1590 | } | |
1591 | if (ips_alloc_passthru_buffer(ha, length)) { | |
1592 | /* allocation failure! If ha->ioctl_data exists, use it to return | |
1593 | some error codes. Return a failed command to the scsi layer. */ | |
1594 | if (ha->ioctl_data) { | |
1595 | pt = (ips_passthru_t *) ha->ioctl_data; | |
1596 | ips_scmd_buf_read(SC, pt, sizeof (ips_passthru_t)); | |
1597 | pt->BasicStatus = 0x0B; | |
1598 | pt->ExtendedStatus = 0x00; | |
1599 | ips_scmd_buf_write(SC, pt, sizeof (ips_passthru_t)); | |
1600 | } | |
1601 | return IPS_FAILURE; | |
1602 | } | |
1603 | ha->ioctl_datasize = length; | |
1604 | ||
1605 | ips_scmd_buf_read(SC, ha->ioctl_data, ha->ioctl_datasize); | |
1606 | pt = (ips_passthru_t *) ha->ioctl_data; | |
1607 | ||
1608 | /* | |
1609 | * Some notes about the passthru interface used | |
1610 | * | |
1611 | * IF the scsi op_code == 0x0d then we assume | |
1612 | * that the data came along with/goes with the | |
1613 | * packet we received from the sg driver. In this | |
1614 | * case the CmdBSize field of the pt structure is | |
1615 | * used for the size of the buffer. | |
1616 | */ | |
1617 | ||
1618 | switch (pt->CoppCmd) { | |
1619 | case IPS_NUMCTRLS: | |
1620 | memcpy(ha->ioctl_data + sizeof (ips_passthru_t), | |
1621 | &ips_num_controllers, sizeof (int)); | |
1622 | ips_scmd_buf_write(SC, ha->ioctl_data, | |
1623 | sizeof (ips_passthru_t) + sizeof (int)); | |
1624 | SC->result = DID_OK << 16; | |
1625 | ||
1626 | return (IPS_SUCCESS_IMM); | |
1627 | ||
1628 | case IPS_COPPUSRCMD: | |
1629 | case IPS_COPPIOCCMD: | |
1630 | if (SC->cmnd[0] == IPS_IOCTL_COMMAND) { | |
1631 | if (length < (sizeof (ips_passthru_t) + pt->CmdBSize)) { | |
1632 | /* wrong size */ | |
1633 | DEBUG_VAR(1, | |
1634 | "(%s%d) Passthru structure wrong size", | |
1635 | ips_name, ha->host_num); | |
1636 | ||
1637 | return (IPS_FAILURE); | |
1638 | } | |
1639 | ||
1640 | if (ha->device_id == IPS_DEVICEID_COPPERHEAD && | |
1641 | pt->CoppCP.cmd.flashfw.op_code == | |
1642 | IPS_CMD_RW_BIOSFW) { | |
1643 | ret = ips_flash_copperhead(ha, pt, scb); | |
1644 | ips_scmd_buf_write(SC, ha->ioctl_data, | |
1645 | sizeof (ips_passthru_t)); | |
1646 | return ret; | |
1647 | } | |
1648 | if (ips_usrcmd(ha, pt, scb)) | |
1649 | return (IPS_SUCCESS); | |
1650 | else | |
1651 | return (IPS_FAILURE); | |
1652 | } | |
1653 | ||
1654 | break; | |
1655 | ||
1656 | } /* end switch */ | |
1657 | ||
1658 | return (IPS_FAILURE); | |
1659 | } | |
1660 | ||
1661 | /****************************************************************************/ | |
1662 | /* Routine Name: ips_flash_copperhead */ | |
1663 | /* Routine Description: */ | |
1664 | /* Flash the BIOS/FW on a Copperhead style controller */ | |
1665 | /****************************************************************************/ | |
1666 | static int | |
1667 | ips_flash_copperhead(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) | |
1668 | { | |
1669 | int datasize; | |
1670 | ||
1671 | /* Trombone is the only copperhead that can do packet flash, but only | |
1672 | * for firmware. No one said it had to make sence. */ | |
1673 | if (IPS_IS_TROMBONE(ha) && pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) { | |
1674 | if (ips_usrcmd(ha, pt, scb)) | |
1675 | return IPS_SUCCESS; | |
1676 | else | |
1677 | return IPS_FAILURE; | |
1678 | } | |
1679 | pt->BasicStatus = 0x0B; | |
1680 | pt->ExtendedStatus = 0; | |
1681 | scb->scsi_cmd->result = DID_OK << 16; | |
1682 | /* IF it's OK to Use the "CD BOOT" Flash Buffer, then you can */ | |
1683 | /* avoid allocating a huge buffer per adapter ( which can fail ). */ | |
1684 | if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && | |
1685 | pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) { | |
1686 | pt->BasicStatus = 0; | |
1687 | return ips_flash_bios(ha, pt, scb); | |
1688 | } else if (pt->CoppCP.cmd.flashfw.packet_num == 0) { | |
1689 | if (ips_FlashData && !test_and_set_bit(0, &ips_FlashDataInUse)){ | |
1690 | ha->flash_data = ips_FlashData; | |
1691 | ha->flash_busaddr = ips_flashbusaddr; | |
1692 | ha->flash_len = PAGE_SIZE << 7; | |
1693 | ha->flash_datasize = 0; | |
1694 | } else if (!ha->flash_data) { | |
1695 | datasize = pt->CoppCP.cmd.flashfw.total_packets * | |
1696 | pt->CoppCP.cmd.flashfw.count; | |
1697 | ha->flash_data = pci_alloc_consistent(ha->pcidev, | |
1698 | datasize, | |
1699 | &ha->flash_busaddr); | |
1700 | if (!ha->flash_data){ | |
1701 | printk(KERN_WARNING "Unable to allocate a flash buffer\n"); | |
1702 | return IPS_FAILURE; | |
1703 | } | |
1704 | ha->flash_datasize = 0; | |
1705 | ha->flash_len = datasize; | |
1706 | } else | |
1707 | return IPS_FAILURE; | |
1708 | } else { | |
1709 | if (pt->CoppCP.cmd.flashfw.count + ha->flash_datasize > | |
1710 | ha->flash_len) { | |
1711 | ips_free_flash_copperhead(ha); | |
1712 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
1713 | "failed size sanity check\n"); | |
1714 | return IPS_FAILURE; | |
1715 | } | |
1716 | } | |
1717 | if (!ha->flash_data) | |
1718 | return IPS_FAILURE; | |
1719 | pt->BasicStatus = 0; | |
1720 | memcpy(&ha->flash_data[ha->flash_datasize], pt + 1, | |
1721 | pt->CoppCP.cmd.flashfw.count); | |
1722 | ha->flash_datasize += pt->CoppCP.cmd.flashfw.count; | |
1723 | if (pt->CoppCP.cmd.flashfw.packet_num == | |
1724 | pt->CoppCP.cmd.flashfw.total_packets - 1) { | |
1725 | if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE) | |
1726 | return ips_flash_bios(ha, pt, scb); | |
1727 | else if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE) | |
1728 | return ips_flash_firmware(ha, pt, scb); | |
1729 | } | |
1730 | return IPS_SUCCESS_IMM; | |
1731 | } | |
1732 | ||
1733 | /****************************************************************************/ | |
1734 | /* Routine Name: ips_flash_bios */ | |
1735 | /* Routine Description: */ | |
1736 | /* flashes the bios of a copperhead adapter */ | |
1737 | /****************************************************************************/ | |
1738 | static int | |
1739 | ips_flash_bios(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) | |
1740 | { | |
1741 | ||
1742 | if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && | |
1743 | pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_BIOS) { | |
1744 | if ((!ha->func.programbios) || (!ha->func.erasebios) || | |
1745 | (!ha->func.verifybios)) | |
1746 | goto error; | |
1747 | if ((*ha->func.erasebios) (ha)) { | |
1748 | DEBUG_VAR(1, | |
1749 | "(%s%d) flash bios failed - unable to erase flash", | |
1750 | ips_name, ha->host_num); | |
1751 | goto error; | |
1752 | } else | |
1753 | if ((*ha->func.programbios) (ha, | |
1754 | ha->flash_data + | |
1755 | IPS_BIOS_HEADER, | |
1756 | ha->flash_datasize - | |
1757 | IPS_BIOS_HEADER, 0)) { | |
1758 | DEBUG_VAR(1, | |
1759 | "(%s%d) flash bios failed - unable to flash", | |
1760 | ips_name, ha->host_num); | |
1761 | goto error; | |
1762 | } else | |
1763 | if ((*ha->func.verifybios) (ha, | |
1764 | ha->flash_data + | |
1765 | IPS_BIOS_HEADER, | |
1766 | ha->flash_datasize - | |
1767 | IPS_BIOS_HEADER, 0)) { | |
1768 | DEBUG_VAR(1, | |
1769 | "(%s%d) flash bios failed - unable to verify flash", | |
1770 | ips_name, ha->host_num); | |
1771 | goto error; | |
1772 | } | |
1773 | ips_free_flash_copperhead(ha); | |
1774 | return IPS_SUCCESS_IMM; | |
1775 | } else if (pt->CoppCP.cmd.flashfw.type == IPS_BIOS_IMAGE && | |
1776 | pt->CoppCP.cmd.flashfw.direction == IPS_ERASE_BIOS) { | |
1777 | if (!ha->func.erasebios) | |
1778 | goto error; | |
1779 | if ((*ha->func.erasebios) (ha)) { | |
1780 | DEBUG_VAR(1, | |
1781 | "(%s%d) flash bios failed - unable to erase flash", | |
1782 | ips_name, ha->host_num); | |
1783 | goto error; | |
1784 | } | |
1785 | return IPS_SUCCESS_IMM; | |
1786 | } | |
1787 | error: | |
1788 | pt->BasicStatus = 0x0B; | |
1789 | pt->ExtendedStatus = 0x00; | |
1790 | ips_free_flash_copperhead(ha); | |
1791 | return IPS_FAILURE; | |
1792 | } | |
1793 | ||
1794 | /****************************************************************************/ | |
1795 | /* */ | |
1796 | /* Routine Name: ips_fill_scb_sg_single */ | |
1797 | /* */ | |
1798 | /* Routine Description: */ | |
1799 | /* Fill in a single scb sg_list element from an address */ | |
1800 | /* return a -1 if a breakup occurred */ | |
1801 | /****************************************************************************/ | |
1802 | static int | |
1803 | ips_fill_scb_sg_single(ips_ha_t * ha, dma_addr_t busaddr, | |
1804 | ips_scb_t * scb, int indx, unsigned int e_len) | |
1805 | { | |
1806 | ||
1807 | int ret_val = 0; | |
1808 | ||
1809 | if ((scb->data_len + e_len) > ha->max_xfer) { | |
1810 | e_len = ha->max_xfer - scb->data_len; | |
1811 | scb->breakup = indx; | |
1812 | ++scb->sg_break; | |
1813 | ret_val = -1; | |
1814 | } else { | |
1815 | scb->breakup = 0; | |
1816 | scb->sg_break = 0; | |
1817 | } | |
1818 | if (IPS_USE_ENH_SGLIST(ha)) { | |
1819 | scb->sg_list.enh_list[indx].address_lo = | |
1820 | cpu_to_le32(pci_dma_lo32(busaddr)); | |
1821 | scb->sg_list.enh_list[indx].address_hi = | |
1822 | cpu_to_le32(pci_dma_hi32(busaddr)); | |
1823 | scb->sg_list.enh_list[indx].length = cpu_to_le32(e_len); | |
1824 | } else { | |
1825 | scb->sg_list.std_list[indx].address = | |
1826 | cpu_to_le32(pci_dma_lo32(busaddr)); | |
1827 | scb->sg_list.std_list[indx].length = cpu_to_le32(e_len); | |
1828 | } | |
1829 | ||
1830 | ++scb->sg_len; | |
1831 | scb->data_len += e_len; | |
1832 | return ret_val; | |
1833 | } | |
1834 | ||
1835 | /****************************************************************************/ | |
1836 | /* Routine Name: ips_flash_firmware */ | |
1837 | /* Routine Description: */ | |
1838 | /* flashes the firmware of a copperhead adapter */ | |
1839 | /****************************************************************************/ | |
1840 | static int | |
1841 | ips_flash_firmware(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) | |
1842 | { | |
1843 | IPS_SG_LIST sg_list; | |
1844 | uint32_t cmd_busaddr; | |
1845 | ||
1846 | if (pt->CoppCP.cmd.flashfw.type == IPS_FW_IMAGE && | |
1847 | pt->CoppCP.cmd.flashfw.direction == IPS_WRITE_FW) { | |
1848 | memset(&pt->CoppCP.cmd, 0, sizeof (IPS_HOST_COMMAND)); | |
1849 | pt->CoppCP.cmd.flashfw.op_code = IPS_CMD_DOWNLOAD; | |
1850 | pt->CoppCP.cmd.flashfw.count = cpu_to_le32(ha->flash_datasize); | |
1851 | } else { | |
1852 | pt->BasicStatus = 0x0B; | |
1853 | pt->ExtendedStatus = 0x00; | |
1854 | ips_free_flash_copperhead(ha); | |
1855 | return IPS_FAILURE; | |
1856 | } | |
1857 | /* Save the S/G list pointer so it doesn't get clobbered */ | |
1858 | sg_list.list = scb->sg_list.list; | |
1859 | cmd_busaddr = scb->scb_busaddr; | |
1860 | /* copy in the CP */ | |
1861 | memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD)); | |
1862 | /* FIX stuff that might be wrong */ | |
1863 | scb->sg_list.list = sg_list.list; | |
1864 | scb->scb_busaddr = cmd_busaddr; | |
1865 | scb->bus = scb->scsi_cmd->device->channel; | |
1866 | scb->target_id = scb->scsi_cmd->device->id; | |
1867 | scb->lun = scb->scsi_cmd->device->lun; | |
1868 | scb->sg_len = 0; | |
1869 | scb->data_len = 0; | |
1870 | scb->flags = 0; | |
1871 | scb->op_code = 0; | |
1872 | scb->callback = ipsintr_done; | |
1873 | scb->timeout = ips_cmd_timeout; | |
1874 | ||
1875 | scb->data_len = ha->flash_datasize; | |
1876 | scb->data_busaddr = | |
1877 | pci_map_single(ha->pcidev, ha->flash_data, scb->data_len, | |
1878 | IPS_DMA_DIR(scb)); | |
1879 | scb->flags |= IPS_SCB_MAP_SINGLE; | |
1880 | scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb); | |
1881 | scb->cmd.flashfw.buffer_addr = cpu_to_le32(scb->data_busaddr); | |
1882 | if (pt->TimeOut) | |
1883 | scb->timeout = pt->TimeOut; | |
1884 | scb->scsi_cmd->result = DID_OK << 16; | |
1885 | return IPS_SUCCESS; | |
1886 | } | |
1887 | ||
1888 | /****************************************************************************/ | |
1889 | /* Routine Name: ips_free_flash_copperhead */ | |
1890 | /* Routine Description: */ | |
1891 | /* release the memory resources used to hold the flash image */ | |
1892 | /****************************************************************************/ | |
1893 | static void | |
1894 | ips_free_flash_copperhead(ips_ha_t * ha) | |
1895 | { | |
1896 | if (ha->flash_data == ips_FlashData) | |
1897 | test_and_clear_bit(0, &ips_FlashDataInUse); | |
1898 | else if (ha->flash_data) | |
1899 | pci_free_consistent(ha->pcidev, ha->flash_len, ha->flash_data, | |
1900 | ha->flash_busaddr); | |
1901 | ha->flash_data = NULL; | |
1902 | } | |
1903 | ||
1904 | /****************************************************************************/ | |
1905 | /* */ | |
1906 | /* Routine Name: ips_usrcmd */ | |
1907 | /* */ | |
1908 | /* Routine Description: */ | |
1909 | /* */ | |
1910 | /* Process a user command and make it ready to send */ | |
1911 | /* */ | |
1912 | /****************************************************************************/ | |
1913 | static int | |
1914 | ips_usrcmd(ips_ha_t * ha, ips_passthru_t * pt, ips_scb_t * scb) | |
1915 | { | |
1916 | IPS_SG_LIST sg_list; | |
1917 | uint32_t cmd_busaddr; | |
1918 | ||
1919 | METHOD_TRACE("ips_usrcmd", 1); | |
1920 | ||
1921 | if ((!scb) || (!pt) || (!ha)) | |
1922 | return (0); | |
1923 | ||
1924 | /* Save the S/G list pointer so it doesn't get clobbered */ | |
1925 | sg_list.list = scb->sg_list.list; | |
1926 | cmd_busaddr = scb->scb_busaddr; | |
1927 | /* copy in the CP */ | |
1928 | memcpy(&scb->cmd, &pt->CoppCP.cmd, sizeof (IPS_IOCTL_CMD)); | |
1929 | memcpy(&scb->dcdb, &pt->CoppCP.dcdb, sizeof (IPS_DCDB_TABLE)); | |
1930 | ||
1931 | /* FIX stuff that might be wrong */ | |
1932 | scb->sg_list.list = sg_list.list; | |
1933 | scb->scb_busaddr = cmd_busaddr; | |
1934 | scb->bus = scb->scsi_cmd->device->channel; | |
1935 | scb->target_id = scb->scsi_cmd->device->id; | |
1936 | scb->lun = scb->scsi_cmd->device->lun; | |
1937 | scb->sg_len = 0; | |
1938 | scb->data_len = 0; | |
1939 | scb->flags = 0; | |
1940 | scb->op_code = 0; | |
1941 | scb->callback = ipsintr_done; | |
1942 | scb->timeout = ips_cmd_timeout; | |
1943 | scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); | |
1944 | ||
1945 | /* we don't support DCDB/READ/WRITE Scatter Gather */ | |
1946 | if ((scb->cmd.basic_io.op_code == IPS_CMD_READ_SG) || | |
1947 | (scb->cmd.basic_io.op_code == IPS_CMD_WRITE_SG) || | |
1948 | (scb->cmd.basic_io.op_code == IPS_CMD_DCDB_SG)) | |
1949 | return (0); | |
1950 | ||
1951 | if (pt->CmdBSize) { | |
1952 | scb->data_len = pt->CmdBSize; | |
1953 | scb->data_busaddr = ha->ioctl_busaddr + sizeof (ips_passthru_t); | |
1954 | } else { | |
1955 | scb->data_busaddr = 0L; | |
1956 | } | |
1957 | ||
1958 | if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) | |
1959 | scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr + | |
1960 | (unsigned long) &scb-> | |
1961 | dcdb - | |
1962 | (unsigned long) scb); | |
1963 | ||
1964 | if (pt->CmdBSize) { | |
1965 | if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) | |
1966 | scb->dcdb.buffer_pointer = | |
1967 | cpu_to_le32(scb->data_busaddr); | |
1968 | else | |
1969 | scb->cmd.basic_io.sg_addr = | |
1970 | cpu_to_le32(scb->data_busaddr); | |
1971 | } | |
1972 | ||
1973 | /* set timeouts */ | |
1974 | if (pt->TimeOut) { | |
1975 | scb->timeout = pt->TimeOut; | |
1976 | ||
1977 | if (pt->TimeOut <= 10) | |
1978 | scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; | |
1979 | else if (pt->TimeOut <= 60) | |
1980 | scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; | |
1981 | else | |
1982 | scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; | |
1983 | } | |
1984 | ||
1985 | /* assume success */ | |
1986 | scb->scsi_cmd->result = DID_OK << 16; | |
1987 | ||
1988 | /* success */ | |
1989 | return (1); | |
1990 | } | |
1991 | ||
1992 | /****************************************************************************/ | |
1993 | /* */ | |
1994 | /* Routine Name: ips_cleanup_passthru */ | |
1995 | /* */ | |
1996 | /* Routine Description: */ | |
1997 | /* */ | |
1998 | /* Cleanup after a passthru command */ | |
1999 | /* */ | |
2000 | /****************************************************************************/ | |
2001 | static void | |
2002 | ips_cleanup_passthru(ips_ha_t * ha, ips_scb_t * scb) | |
2003 | { | |
2004 | ips_passthru_t *pt; | |
2005 | ||
2006 | METHOD_TRACE("ips_cleanup_passthru", 1); | |
2007 | ||
2f4cf91c | 2008 | if ((!scb) || (!scb->scsi_cmd) || (!scsi_sglist(scb->scsi_cmd))) { |
1da177e4 LT |
2009 | DEBUG_VAR(1, "(%s%d) couldn't cleanup after passthru", |
2010 | ips_name, ha->host_num); | |
2011 | ||
2012 | return; | |
2013 | } | |
2014 | pt = (ips_passthru_t *) ha->ioctl_data; | |
2015 | ||
2016 | /* Copy data back to the user */ | |
2017 | if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB) /* Copy DCDB Back to Caller's Area */ | |
2018 | memcpy(&pt->CoppCP.dcdb, &scb->dcdb, sizeof (IPS_DCDB_TABLE)); | |
2019 | ||
2020 | pt->BasicStatus = scb->basic_status; | |
2021 | pt->ExtendedStatus = scb->extended_status; | |
2022 | pt->AdapterType = ha->ad_type; | |
2023 | ||
2024 | if (ha->device_id == IPS_DEVICEID_COPPERHEAD && | |
2025 | (scb->cmd.flashfw.op_code == IPS_CMD_DOWNLOAD || | |
2026 | scb->cmd.flashfw.op_code == IPS_CMD_RW_BIOSFW)) | |
2027 | ips_free_flash_copperhead(ha); | |
2028 | ||
2029 | ips_scmd_buf_write(scb->scsi_cmd, ha->ioctl_data, ha->ioctl_datasize); | |
2030 | } | |
2031 | ||
2032 | /****************************************************************************/ | |
2033 | /* */ | |
2034 | /* Routine Name: ips_host_info */ | |
2035 | /* */ | |
2036 | /* Routine Description: */ | |
2037 | /* */ | |
2038 | /* The passthru interface for the driver */ | |
2039 | /* */ | |
2040 | /****************************************************************************/ | |
2041 | static int | |
2042 | ips_host_info(ips_ha_t * ha, char *ptr, off_t offset, int len) | |
2043 | { | |
2044 | IPS_INFOSTR info; | |
2045 | ||
2046 | METHOD_TRACE("ips_host_info", 1); | |
2047 | ||
2048 | info.buffer = ptr; | |
2049 | info.length = len; | |
2050 | info.offset = offset; | |
2051 | info.pos = 0; | |
2052 | info.localpos = 0; | |
2053 | ||
2054 | copy_info(&info, "\nIBM ServeRAID General Information:\n\n"); | |
2055 | ||
2056 | if ((le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) && | |
2057 | (le16_to_cpu(ha->nvram->adapter_type) != 0)) | |
2058 | copy_info(&info, "\tController Type : %s\n", | |
2059 | ips_adapter_name[ha->ad_type - 1]); | |
2060 | else | |
2061 | copy_info(&info, | |
2062 | "\tController Type : Unknown\n"); | |
2063 | ||
2064 | if (ha->io_addr) | |
2065 | copy_info(&info, | |
2066 | "\tIO region : 0x%lx (%d bytes)\n", | |
2067 | ha->io_addr, ha->io_len); | |
2068 | ||
2069 | if (ha->mem_addr) { | |
2070 | copy_info(&info, | |
2071 | "\tMemory region : 0x%lx (%d bytes)\n", | |
2072 | ha->mem_addr, ha->mem_len); | |
2073 | copy_info(&info, | |
2074 | "\tShared memory address : 0x%lx\n", | |
2075 | ha->mem_ptr); | |
2076 | } | |
2077 | ||
2078 | copy_info(&info, "\tIRQ number : %d\n", ha->irq); | |
2079 | ||
2080 | /* For the Next 3 lines Check for Binary 0 at the end and don't include it if it's there. */ | |
2081 | /* That keeps everything happy for "text" operations on the proc file. */ | |
2082 | ||
2083 | if (le32_to_cpu(ha->nvram->signature) == IPS_NVRAM_P5_SIG) { | |
2084 | if (ha->nvram->bios_low[3] == 0) { | |
2085 | copy_info(&info, | |
2086 | "\tBIOS Version : %c%c%c%c%c%c%c\n", | |
2087 | ha->nvram->bios_high[0], ha->nvram->bios_high[1], | |
2088 | ha->nvram->bios_high[2], ha->nvram->bios_high[3], | |
2089 | ha->nvram->bios_low[0], ha->nvram->bios_low[1], | |
2090 | ha->nvram->bios_low[2]); | |
2091 | ||
2092 | } else { | |
2093 | copy_info(&info, | |
2094 | "\tBIOS Version : %c%c%c%c%c%c%c%c\n", | |
2095 | ha->nvram->bios_high[0], ha->nvram->bios_high[1], | |
2096 | ha->nvram->bios_high[2], ha->nvram->bios_high[3], | |
2097 | ha->nvram->bios_low[0], ha->nvram->bios_low[1], | |
2098 | ha->nvram->bios_low[2], ha->nvram->bios_low[3]); | |
2099 | } | |
2100 | ||
2101 | } | |
2102 | ||
2103 | if (ha->enq->CodeBlkVersion[7] == 0) { | |
2104 | copy_info(&info, | |
2105 | "\tFirmware Version : %c%c%c%c%c%c%c\n", | |
2106 | ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1], | |
2107 | ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3], | |
2108 | ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5], | |
2109 | ha->enq->CodeBlkVersion[6]); | |
2110 | } else { | |
2111 | copy_info(&info, | |
2112 | "\tFirmware Version : %c%c%c%c%c%c%c%c\n", | |
2113 | ha->enq->CodeBlkVersion[0], ha->enq->CodeBlkVersion[1], | |
2114 | ha->enq->CodeBlkVersion[2], ha->enq->CodeBlkVersion[3], | |
2115 | ha->enq->CodeBlkVersion[4], ha->enq->CodeBlkVersion[5], | |
2116 | ha->enq->CodeBlkVersion[6], ha->enq->CodeBlkVersion[7]); | |
2117 | } | |
2118 | ||
2119 | if (ha->enq->BootBlkVersion[7] == 0) { | |
2120 | copy_info(&info, | |
2121 | "\tBoot Block Version : %c%c%c%c%c%c%c\n", | |
2122 | ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1], | |
2123 | ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3], | |
2124 | ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5], | |
2125 | ha->enq->BootBlkVersion[6]); | |
2126 | } else { | |
2127 | copy_info(&info, | |
2128 | "\tBoot Block Version : %c%c%c%c%c%c%c%c\n", | |
2129 | ha->enq->BootBlkVersion[0], ha->enq->BootBlkVersion[1], | |
2130 | ha->enq->BootBlkVersion[2], ha->enq->BootBlkVersion[3], | |
2131 | ha->enq->BootBlkVersion[4], ha->enq->BootBlkVersion[5], | |
2132 | ha->enq->BootBlkVersion[6], ha->enq->BootBlkVersion[7]); | |
2133 | } | |
2134 | ||
2135 | copy_info(&info, "\tDriver Version : %s%s\n", | |
2136 | IPS_VERSION_HIGH, IPS_VERSION_LOW); | |
2137 | ||
2138 | copy_info(&info, "\tDriver Build : %d\n", | |
2139 | IPS_BUILD_IDENT); | |
2140 | ||
2141 | copy_info(&info, "\tMax Physical Devices : %d\n", | |
2142 | ha->enq->ucMaxPhysicalDevices); | |
2143 | copy_info(&info, "\tMax Active Commands : %d\n", | |
2144 | ha->max_cmds); | |
2145 | copy_info(&info, "\tCurrent Queued Commands : %d\n", | |
2146 | ha->scb_waitlist.count); | |
2147 | copy_info(&info, "\tCurrent Active Commands : %d\n", | |
2148 | ha->scb_activelist.count - ha->num_ioctl); | |
2149 | copy_info(&info, "\tCurrent Queued PT Commands : %d\n", | |
2150 | ha->copp_waitlist.count); | |
2151 | copy_info(&info, "\tCurrent Active PT Commands : %d\n", | |
2152 | ha->num_ioctl); | |
2153 | ||
2154 | copy_info(&info, "\n"); | |
2155 | ||
2156 | return (info.localpos); | |
2157 | } | |
2158 | ||
2159 | /****************************************************************************/ | |
2160 | /* */ | |
2161 | /* Routine Name: copy_mem_info */ | |
2162 | /* */ | |
2163 | /* Routine Description: */ | |
2164 | /* */ | |
2165 | /* Copy data into an IPS_INFOSTR structure */ | |
2166 | /* */ | |
2167 | /****************************************************************************/ | |
2168 | static void | |
2169 | copy_mem_info(IPS_INFOSTR * info, char *data, int len) | |
2170 | { | |
2171 | METHOD_TRACE("copy_mem_info", 1); | |
2172 | ||
2173 | if (info->pos + len < info->offset) { | |
2174 | info->pos += len; | |
2175 | return; | |
2176 | } | |
2177 | ||
2178 | if (info->pos < info->offset) { | |
2179 | data += (info->offset - info->pos); | |
2180 | len -= (info->offset - info->pos); | |
2181 | info->pos += (info->offset - info->pos); | |
2182 | } | |
2183 | ||
2184 | if (info->localpos + len > info->length) | |
2185 | len = info->length - info->localpos; | |
2186 | ||
2187 | if (len > 0) { | |
2188 | memcpy(info->buffer + info->localpos, data, len); | |
2189 | info->pos += len; | |
2190 | info->localpos += len; | |
2191 | } | |
2192 | } | |
2193 | ||
2194 | /****************************************************************************/ | |
2195 | /* */ | |
2196 | /* Routine Name: copy_info */ | |
2197 | /* */ | |
2198 | /* Routine Description: */ | |
2199 | /* */ | |
2200 | /* printf style wrapper for an info structure */ | |
2201 | /* */ | |
2202 | /****************************************************************************/ | |
2203 | static int | |
2204 | copy_info(IPS_INFOSTR * info, char *fmt, ...) | |
2205 | { | |
2206 | va_list args; | |
2207 | char buf[128]; | |
2208 | int len; | |
2209 | ||
2210 | METHOD_TRACE("copy_info", 1); | |
2211 | ||
2212 | va_start(args, fmt); | |
2213 | len = vsprintf(buf, fmt, args); | |
2214 | va_end(args); | |
2215 | ||
2216 | copy_mem_info(info, buf, len); | |
2217 | ||
2218 | return (len); | |
2219 | } | |
2220 | ||
2221 | /****************************************************************************/ | |
2222 | /* */ | |
2223 | /* Routine Name: ips_identify_controller */ | |
2224 | /* */ | |
2225 | /* Routine Description: */ | |
2226 | /* */ | |
2227 | /* Identify this controller */ | |
2228 | /* */ | |
2229 | /****************************************************************************/ | |
2230 | static void | |
2231 | ips_identify_controller(ips_ha_t * ha) | |
2232 | { | |
2233 | METHOD_TRACE("ips_identify_controller", 1); | |
2234 | ||
2235 | switch (ha->device_id) { | |
2236 | case IPS_DEVICEID_COPPERHEAD: | |
2237 | if (ha->revision_id <= IPS_REVID_SERVERAID) { | |
2238 | ha->ad_type = IPS_ADTYPE_SERVERAID; | |
2239 | } else if (ha->revision_id == IPS_REVID_SERVERAID2) { | |
2240 | ha->ad_type = IPS_ADTYPE_SERVERAID2; | |
2241 | } else if (ha->revision_id == IPS_REVID_NAVAJO) { | |
2242 | ha->ad_type = IPS_ADTYPE_NAVAJO; | |
2243 | } else if ((ha->revision_id == IPS_REVID_SERVERAID2) | |
2244 | && (ha->slot_num == 0)) { | |
2245 | ha->ad_type = IPS_ADTYPE_KIOWA; | |
2246 | } else if ((ha->revision_id >= IPS_REVID_CLARINETP1) && | |
2247 | (ha->revision_id <= IPS_REVID_CLARINETP3)) { | |
2248 | if (ha->enq->ucMaxPhysicalDevices == 15) | |
2249 | ha->ad_type = IPS_ADTYPE_SERVERAID3L; | |
2250 | else | |
2251 | ha->ad_type = IPS_ADTYPE_SERVERAID3; | |
2252 | } else if ((ha->revision_id >= IPS_REVID_TROMBONE32) && | |
2253 | (ha->revision_id <= IPS_REVID_TROMBONE64)) { | |
2254 | ha->ad_type = IPS_ADTYPE_SERVERAID4H; | |
2255 | } | |
2256 | break; | |
2257 | ||
2258 | case IPS_DEVICEID_MORPHEUS: | |
2259 | switch (ha->subdevice_id) { | |
2260 | case IPS_SUBDEVICEID_4L: | |
2261 | ha->ad_type = IPS_ADTYPE_SERVERAID4L; | |
2262 | break; | |
2263 | ||
2264 | case IPS_SUBDEVICEID_4M: | |
2265 | ha->ad_type = IPS_ADTYPE_SERVERAID4M; | |
2266 | break; | |
2267 | ||
2268 | case IPS_SUBDEVICEID_4MX: | |
2269 | ha->ad_type = IPS_ADTYPE_SERVERAID4MX; | |
2270 | break; | |
2271 | ||
2272 | case IPS_SUBDEVICEID_4LX: | |
2273 | ha->ad_type = IPS_ADTYPE_SERVERAID4LX; | |
2274 | break; | |
2275 | ||
2276 | case IPS_SUBDEVICEID_5I2: | |
2277 | ha->ad_type = IPS_ADTYPE_SERVERAID5I2; | |
2278 | break; | |
2279 | ||
2280 | case IPS_SUBDEVICEID_5I1: | |
2281 | ha->ad_type = IPS_ADTYPE_SERVERAID5I1; | |
2282 | break; | |
2283 | } | |
2284 | ||
2285 | break; | |
2286 | ||
2287 | case IPS_DEVICEID_MARCO: | |
2288 | switch (ha->subdevice_id) { | |
2289 | case IPS_SUBDEVICEID_6M: | |
2290 | ha->ad_type = IPS_ADTYPE_SERVERAID6M; | |
2291 | break; | |
2292 | case IPS_SUBDEVICEID_6I: | |
2293 | ha->ad_type = IPS_ADTYPE_SERVERAID6I; | |
2294 | break; | |
2295 | case IPS_SUBDEVICEID_7k: | |
2296 | ha->ad_type = IPS_ADTYPE_SERVERAID7k; | |
2297 | break; | |
2298 | case IPS_SUBDEVICEID_7M: | |
2299 | ha->ad_type = IPS_ADTYPE_SERVERAID7M; | |
2300 | break; | |
2301 | } | |
2302 | break; | |
2303 | } | |
2304 | } | |
2305 | ||
2306 | /****************************************************************************/ | |
2307 | /* */ | |
2308 | /* Routine Name: ips_get_bios_version */ | |
2309 | /* */ | |
2310 | /* Routine Description: */ | |
2311 | /* */ | |
2312 | /* Get the BIOS revision number */ | |
2313 | /* */ | |
2314 | /****************************************************************************/ | |
2315 | static void | |
2316 | ips_get_bios_version(ips_ha_t * ha, int intr) | |
2317 | { | |
2318 | ips_scb_t *scb; | |
2319 | int ret; | |
2320 | uint8_t major; | |
2321 | uint8_t minor; | |
2322 | uint8_t subminor; | |
2323 | uint8_t *buffer; | |
2324 | char hexDigits[] = | |
2325 | { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', | |
2326 | 'D', 'E', 'F' }; | |
2327 | ||
2328 | METHOD_TRACE("ips_get_bios_version", 1); | |
2329 | ||
2330 | major = 0; | |
2331 | minor = 0; | |
2332 | ||
2333 | strncpy(ha->bios_version, " ?", 8); | |
2334 | ||
2335 | if (ha->device_id == IPS_DEVICEID_COPPERHEAD) { | |
2336 | if (IPS_USE_MEMIO(ha)) { | |
2337 | /* Memory Mapped I/O */ | |
2338 | ||
2339 | /* test 1st byte */ | |
2340 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
2341 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2342 | udelay(25); /* 25 us */ | |
2343 | ||
2344 | if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) | |
2345 | return; | |
2346 | ||
2347 | writel(1, ha->mem_ptr + IPS_REG_FLAP); | |
2348 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2349 | udelay(25); /* 25 us */ | |
2350 | ||
2351 | if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) | |
2352 | return; | |
2353 | ||
2354 | /* Get Major version */ | |
2355 | writel(0x1FF, ha->mem_ptr + IPS_REG_FLAP); | |
2356 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2357 | udelay(25); /* 25 us */ | |
2358 | ||
2359 | major = readb(ha->mem_ptr + IPS_REG_FLDP); | |
2360 | ||
2361 | /* Get Minor version */ | |
2362 | writel(0x1FE, ha->mem_ptr + IPS_REG_FLAP); | |
2363 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2364 | udelay(25); /* 25 us */ | |
2365 | minor = readb(ha->mem_ptr + IPS_REG_FLDP); | |
2366 | ||
2367 | /* Get SubMinor version */ | |
2368 | writel(0x1FD, ha->mem_ptr + IPS_REG_FLAP); | |
2369 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2370 | udelay(25); /* 25 us */ | |
2371 | subminor = readb(ha->mem_ptr + IPS_REG_FLDP); | |
2372 | ||
2373 | } else { | |
2374 | /* Programmed I/O */ | |
2375 | ||
2376 | /* test 1st byte */ | |
2377 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
2378 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2379 | udelay(25); /* 25 us */ | |
2380 | ||
2381 | if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) | |
2382 | return; | |
2383 | ||
2384 | outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP); | |
2385 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2386 | udelay(25); /* 25 us */ | |
2387 | ||
2388 | if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) | |
2389 | return; | |
2390 | ||
2391 | /* Get Major version */ | |
2392 | outl(cpu_to_le32(0x1FF), ha->io_addr + IPS_REG_FLAP); | |
2393 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2394 | udelay(25); /* 25 us */ | |
2395 | ||
2396 | major = inb(ha->io_addr + IPS_REG_FLDP); | |
2397 | ||
2398 | /* Get Minor version */ | |
2399 | outl(cpu_to_le32(0x1FE), ha->io_addr + IPS_REG_FLAP); | |
2400 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2401 | udelay(25); /* 25 us */ | |
2402 | ||
2403 | minor = inb(ha->io_addr + IPS_REG_FLDP); | |
2404 | ||
2405 | /* Get SubMinor version */ | |
2406 | outl(cpu_to_le32(0x1FD), ha->io_addr + IPS_REG_FLAP); | |
2407 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
2408 | udelay(25); /* 25 us */ | |
2409 | ||
2410 | subminor = inb(ha->io_addr + IPS_REG_FLDP); | |
2411 | ||
2412 | } | |
2413 | } else { | |
2414 | /* Morpheus Family - Send Command to the card */ | |
2415 | ||
2416 | buffer = ha->ioctl_data; | |
2417 | ||
2418 | memset(buffer, 0, 0x1000); | |
2419 | ||
2420 | scb = &ha->scbs[ha->max_cmds - 1]; | |
2421 | ||
2422 | ips_init_scb(ha, scb); | |
2423 | ||
2424 | scb->timeout = ips_cmd_timeout; | |
2425 | scb->cdb[0] = IPS_CMD_RW_BIOSFW; | |
2426 | ||
2427 | scb->cmd.flashfw.op_code = IPS_CMD_RW_BIOSFW; | |
2428 | scb->cmd.flashfw.command_id = IPS_COMMAND_ID(ha, scb); | |
2429 | scb->cmd.flashfw.type = 1; | |
2430 | scb->cmd.flashfw.direction = 0; | |
2431 | scb->cmd.flashfw.count = cpu_to_le32(0x800); | |
2432 | scb->cmd.flashfw.total_packets = 1; | |
2433 | scb->cmd.flashfw.packet_num = 0; | |
2434 | scb->data_len = 0x1000; | |
2435 | scb->cmd.flashfw.buffer_addr = ha->ioctl_busaddr; | |
2436 | ||
2437 | /* issue the command */ | |
2438 | if (((ret = | |
2439 | ips_send_wait(ha, scb, ips_cmd_timeout, | |
2440 | intr)) == IPS_FAILURE) | |
2441 | || (ret == IPS_SUCCESS_IMM) | |
2442 | || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { | |
2443 | /* Error occurred */ | |
2444 | ||
2445 | return; | |
2446 | } | |
2447 | ||
2448 | if ((buffer[0xC0] == 0x55) && (buffer[0xC1] == 0xAA)) { | |
2449 | major = buffer[0x1ff + 0xC0]; /* Offset 0x1ff after the header (0xc0) */ | |
2450 | minor = buffer[0x1fe + 0xC0]; /* Offset 0x1fe after the header (0xc0) */ | |
2451 | subminor = buffer[0x1fd + 0xC0]; /* Offset 0x1fd after the header (0xc0) */ | |
2452 | } else { | |
2453 | return; | |
2454 | } | |
2455 | } | |
2456 | ||
2457 | ha->bios_version[0] = hexDigits[(major & 0xF0) >> 4]; | |
2458 | ha->bios_version[1] = '.'; | |
2459 | ha->bios_version[2] = hexDigits[major & 0x0F]; | |
2460 | ha->bios_version[3] = hexDigits[subminor]; | |
2461 | ha->bios_version[4] = '.'; | |
2462 | ha->bios_version[5] = hexDigits[(minor & 0xF0) >> 4]; | |
2463 | ha->bios_version[6] = hexDigits[minor & 0x0F]; | |
2464 | ha->bios_version[7] = 0; | |
2465 | } | |
2466 | ||
2467 | /****************************************************************************/ | |
2468 | /* */ | |
2469 | /* Routine Name: ips_hainit */ | |
2470 | /* */ | |
2471 | /* Routine Description: */ | |
2472 | /* */ | |
2473 | /* Initialize the controller */ | |
2474 | /* */ | |
2475 | /* NOTE: Assumes to be called from with a lock */ | |
2476 | /* */ | |
2477 | /****************************************************************************/ | |
2478 | static int | |
2479 | ips_hainit(ips_ha_t * ha) | |
2480 | { | |
2481 | int i; | |
2482 | struct timeval tv; | |
2483 | ||
2484 | METHOD_TRACE("ips_hainit", 1); | |
2485 | ||
2486 | if (!ha) | |
2487 | return (0); | |
2488 | ||
2489 | if (ha->func.statinit) | |
2490 | (*ha->func.statinit) (ha); | |
2491 | ||
2492 | if (ha->func.enableint) | |
2493 | (*ha->func.enableint) (ha); | |
2494 | ||
2495 | /* Send FFDC */ | |
2496 | ha->reset_count = 1; | |
2497 | do_gettimeofday(&tv); | |
2498 | ha->last_ffdc = tv.tv_sec; | |
2499 | ips_ffdc_reset(ha, IPS_INTR_IORL); | |
2500 | ||
2501 | if (!ips_read_config(ha, IPS_INTR_IORL)) { | |
2502 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
2503 | "unable to read config from controller.\n"); | |
2504 | ||
2505 | return (0); | |
2506 | } | |
2507 | /* end if */ | |
2508 | if (!ips_read_adapter_status(ha, IPS_INTR_IORL)) { | |
2509 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
2510 | "unable to read controller status.\n"); | |
2511 | ||
2512 | return (0); | |
2513 | } | |
2514 | ||
2515 | /* Identify this controller */ | |
2516 | ips_identify_controller(ha); | |
2517 | ||
2518 | if (!ips_read_subsystem_parameters(ha, IPS_INTR_IORL)) { | |
2519 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
2520 | "unable to read subsystem parameters.\n"); | |
2521 | ||
2522 | return (0); | |
2523 | } | |
2524 | ||
2525 | /* write nvram user page 5 */ | |
2526 | if (!ips_write_driver_status(ha, IPS_INTR_IORL)) { | |
2527 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
2528 | "unable to write driver info to controller.\n"); | |
2529 | ||
2530 | return (0); | |
2531 | } | |
2532 | ||
2533 | /* If there are Logical Drives and a Reset Occurred, then an EraseStripeLock is Needed */ | |
2534 | if ((ha->conf->ucLogDriveCount > 0) && (ha->requires_esl == 1)) | |
2535 | ips_clear_adapter(ha, IPS_INTR_IORL); | |
2536 | ||
2537 | /* set limits on SID, LUN, BUS */ | |
2538 | ha->ntargets = IPS_MAX_TARGETS + 1; | |
2539 | ha->nlun = 1; | |
2540 | ha->nbus = (ha->enq->ucMaxPhysicalDevices / IPS_MAX_TARGETS) + 1; | |
2541 | ||
2542 | switch (ha->conf->logical_drive[0].ucStripeSize) { | |
2543 | case 4: | |
2544 | ha->max_xfer = 0x10000; | |
2545 | break; | |
2546 | ||
2547 | case 5: | |
2548 | ha->max_xfer = 0x20000; | |
2549 | break; | |
2550 | ||
2551 | case 6: | |
2552 | ha->max_xfer = 0x40000; | |
2553 | break; | |
2554 | ||
2555 | case 7: | |
2556 | default: | |
2557 | ha->max_xfer = 0x80000; | |
2558 | break; | |
2559 | } | |
2560 | ||
2561 | /* setup max concurrent commands */ | |
2562 | if (le32_to_cpu(ha->subsys->param[4]) & 0x1) { | |
2563 | /* Use the new method */ | |
2564 | ha->max_cmds = ha->enq->ucConcurrentCmdCount; | |
2565 | } else { | |
2566 | /* use the old method */ | |
2567 | switch (ha->conf->logical_drive[0].ucStripeSize) { | |
2568 | case 4: | |
2569 | ha->max_cmds = 32; | |
2570 | break; | |
2571 | ||
2572 | case 5: | |
2573 | ha->max_cmds = 16; | |
2574 | break; | |
2575 | ||
2576 | case 6: | |
2577 | ha->max_cmds = 8; | |
2578 | break; | |
2579 | ||
2580 | case 7: | |
2581 | default: | |
2582 | ha->max_cmds = 4; | |
2583 | break; | |
2584 | } | |
2585 | } | |
2586 | ||
2587 | /* Limit the Active Commands on a Lite Adapter */ | |
2588 | if ((ha->ad_type == IPS_ADTYPE_SERVERAID3L) || | |
2589 | (ha->ad_type == IPS_ADTYPE_SERVERAID4L) || | |
2590 | (ha->ad_type == IPS_ADTYPE_SERVERAID4LX)) { | |
2591 | if ((ha->max_cmds > MaxLiteCmds) && (MaxLiteCmds)) | |
2592 | ha->max_cmds = MaxLiteCmds; | |
2593 | } | |
2594 | ||
2595 | /* set controller IDs */ | |
2596 | ha->ha_id[0] = IPS_ADAPTER_ID; | |
2597 | for (i = 1; i < ha->nbus; i++) { | |
2598 | ha->ha_id[i] = ha->conf->init_id[i - 1] & 0x1f; | |
2599 | ha->dcdb_active[i - 1] = 0; | |
2600 | } | |
2601 | ||
2602 | return (1); | |
2603 | } | |
2604 | ||
2605 | /****************************************************************************/ | |
2606 | /* */ | |
2607 | /* Routine Name: ips_next */ | |
2608 | /* */ | |
2609 | /* Routine Description: */ | |
2610 | /* */ | |
2611 | /* Take the next command off the queue and send it to the controller */ | |
2612 | /* */ | |
2613 | /****************************************************************************/ | |
2614 | static void | |
2615 | ips_next(ips_ha_t * ha, int intr) | |
2616 | { | |
2617 | ips_scb_t *scb; | |
1516b55d H |
2618 | struct scsi_cmnd *SC; |
2619 | struct scsi_cmnd *p; | |
2620 | struct scsi_cmnd *q; | |
1da177e4 LT |
2621 | ips_copp_wait_item_t *item; |
2622 | int ret; | |
1da177e4 LT |
2623 | struct Scsi_Host *host; |
2624 | METHOD_TRACE("ips_next", 1); | |
2625 | ||
2626 | if (!ha) | |
2627 | return; | |
2628 | host = ips_sh[ha->host_num]; | |
2629 | /* | |
2630 | * Block access to the queue function so | |
2631 | * this command won't time out | |
2632 | */ | |
2633 | if (intr == IPS_INTR_ON) | |
c6a6c81c | 2634 | spin_lock(host->host_lock); |
1da177e4 LT |
2635 | |
2636 | if ((ha->subsys->param[3] & 0x300000) | |
2637 | && (ha->scb_activelist.count == 0)) { | |
2638 | struct timeval tv; | |
2639 | ||
2640 | do_gettimeofday(&tv); | |
2641 | ||
2642 | if (tv.tv_sec - ha->last_ffdc > IPS_SECS_8HOURS) { | |
2643 | ha->last_ffdc = tv.tv_sec; | |
2644 | ips_ffdc_time(ha); | |
2645 | } | |
2646 | } | |
2647 | ||
2648 | /* | |
2649 | * Send passthru commands | |
2650 | * These have priority over normal I/O | |
2651 | * but shouldn't affect performance too much | |
2652 | * since we limit the number that can be active | |
2653 | * on the card at any one time | |
2654 | */ | |
2655 | while ((ha->num_ioctl < IPS_MAX_IOCTL) && | |
2656 | (ha->copp_waitlist.head) && (scb = ips_getscb(ha))) { | |
2657 | ||
2658 | item = ips_removeq_copp_head(&ha->copp_waitlist); | |
2659 | ha->num_ioctl++; | |
2660 | if (intr == IPS_INTR_ON) | |
c6a6c81c | 2661 | spin_unlock(host->host_lock); |
1da177e4 LT |
2662 | scb->scsi_cmd = item->scsi_cmd; |
2663 | kfree(item); | |
2664 | ||
2665 | ret = ips_make_passthru(ha, scb->scsi_cmd, scb, intr); | |
2666 | ||
2667 | if (intr == IPS_INTR_ON) | |
c6a6c81c | 2668 | spin_lock(host->host_lock); |
1da177e4 LT |
2669 | switch (ret) { |
2670 | case IPS_FAILURE: | |
2671 | if (scb->scsi_cmd) { | |
2672 | scb->scsi_cmd->result = DID_ERROR << 16; | |
2673 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
2674 | } | |
2675 | ||
2676 | ips_freescb(ha, scb); | |
2677 | break; | |
2678 | case IPS_SUCCESS_IMM: | |
2679 | if (scb->scsi_cmd) { | |
2680 | scb->scsi_cmd->result = DID_OK << 16; | |
2681 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
2682 | } | |
2683 | ||
2684 | ips_freescb(ha, scb); | |
2685 | break; | |
2686 | default: | |
2687 | break; | |
2688 | } /* end case */ | |
2689 | ||
2690 | if (ret != IPS_SUCCESS) { | |
2691 | ha->num_ioctl--; | |
2692 | continue; | |
2693 | } | |
2694 | ||
2695 | ret = ips_send_cmd(ha, scb); | |
2696 | ||
2697 | if (ret == IPS_SUCCESS) | |
2698 | ips_putq_scb_head(&ha->scb_activelist, scb); | |
2699 | else | |
2700 | ha->num_ioctl--; | |
2701 | ||
2702 | switch (ret) { | |
2703 | case IPS_FAILURE: | |
2704 | if (scb->scsi_cmd) { | |
2705 | scb->scsi_cmd->result = DID_ERROR << 16; | |
2706 | } | |
2707 | ||
2708 | ips_freescb(ha, scb); | |
2709 | break; | |
2710 | case IPS_SUCCESS_IMM: | |
2711 | ips_freescb(ha, scb); | |
2712 | break; | |
2713 | default: | |
2714 | break; | |
2715 | } /* end case */ | |
2716 | ||
2717 | } | |
2718 | ||
2719 | /* | |
2720 | * Send "Normal" I/O commands | |
2721 | */ | |
2722 | ||
2723 | p = ha->scb_waitlist.head; | |
2724 | while ((p) && (scb = ips_getscb(ha))) { | |
422c0d61 | 2725 | if ((scmd_channel(p) > 0) |
1da177e4 | 2726 | && (ha-> |
422c0d61 JG |
2727 | dcdb_active[scmd_channel(p) - |
2728 | 1] & (1 << scmd_id(p)))) { | |
1da177e4 | 2729 | ips_freescb(ha, scb); |
1516b55d | 2730 | p = (struct scsi_cmnd *) p->host_scribble; |
1da177e4 LT |
2731 | continue; |
2732 | } | |
2733 | ||
2734 | q = p; | |
2735 | SC = ips_removeq_wait(&ha->scb_waitlist, q); | |
2736 | ||
2737 | if (intr == IPS_INTR_ON) | |
c6a6c81c | 2738 | spin_unlock(host->host_lock); /* Unlock HA after command is taken off queue */ |
1da177e4 LT |
2739 | |
2740 | SC->result = DID_OK; | |
2741 | SC->host_scribble = NULL; | |
2742 | ||
2743 | memset(SC->sense_buffer, 0, sizeof (SC->sense_buffer)); | |
2744 | ||
2745 | scb->target_id = SC->device->id; | |
2746 | scb->lun = SC->device->lun; | |
2747 | scb->bus = SC->device->channel; | |
2748 | scb->scsi_cmd = SC; | |
2749 | scb->breakup = 0; | |
2750 | scb->data_len = 0; | |
2751 | scb->callback = ipsintr_done; | |
2752 | scb->timeout = ips_cmd_timeout; | |
2753 | memset(&scb->cmd, 0, 16); | |
2754 | ||
2755 | /* copy in the CDB */ | |
2756 | memcpy(scb->cdb, SC->cmnd, SC->cmd_len); | |
2757 | ||
2f4cf91c FT |
2758 | scb->sg_count = scsi_dma_map(SC); |
2759 | BUG_ON(scb->sg_count < 0); | |
2760 | if (scb->sg_count) { | |
1da177e4 LT |
2761 | struct scatterlist *sg; |
2762 | int i; | |
2763 | ||
1da177e4 | 2764 | scb->flags |= IPS_SCB_MAP_SG; |
2f4cf91c FT |
2765 | |
2766 | scsi_for_each_sg(SC, sg, scb->sg_count, i) { | |
1da177e4 | 2767 | if (ips_fill_scb_sg_single |
2f4cf91c FT |
2768 | (ha, sg_dma_address(sg), scb, i, |
2769 | sg_dma_len(sg)) < 0) | |
1da177e4 LT |
2770 | break; |
2771 | } | |
2772 | scb->dcdb.transfer_length = scb->data_len; | |
2773 | } else { | |
2f4cf91c FT |
2774 | scb->data_busaddr = 0L; |
2775 | scb->sg_len = 0; | |
2776 | scb->data_len = 0; | |
2777 | scb->dcdb.transfer_length = 0; | |
1da177e4 LT |
2778 | } |
2779 | ||
2780 | scb->dcdb.cmd_attribute = | |
2781 | ips_command_direction[scb->scsi_cmd->cmnd[0]]; | |
2782 | ||
2783 | /* Allow a WRITE BUFFER Command to Have no Data */ | |
2784 | /* This is Used by Tape Flash Utilites */ | |
2785 | if ((scb->scsi_cmd->cmnd[0] == WRITE_BUFFER) && (scb->data_len == 0)) | |
2786 | scb->dcdb.cmd_attribute = 0; | |
2787 | ||
2788 | if (!(scb->dcdb.cmd_attribute & 0x3)) | |
2789 | scb->dcdb.transfer_length = 0; | |
2790 | ||
2791 | if (scb->data_len >= IPS_MAX_XFER) { | |
2792 | scb->dcdb.cmd_attribute |= IPS_TRANSFER64K; | |
2793 | scb->dcdb.transfer_length = 0; | |
2794 | } | |
2795 | if (intr == IPS_INTR_ON) | |
c6a6c81c | 2796 | spin_lock(host->host_lock); |
1da177e4 LT |
2797 | |
2798 | ret = ips_send_cmd(ha, scb); | |
2799 | ||
2800 | switch (ret) { | |
2801 | case IPS_SUCCESS: | |
2802 | ips_putq_scb_head(&ha->scb_activelist, scb); | |
2803 | break; | |
2804 | case IPS_FAILURE: | |
2805 | if (scb->scsi_cmd) { | |
2806 | scb->scsi_cmd->result = DID_ERROR << 16; | |
2807 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
2808 | } | |
2809 | ||
2810 | if (scb->bus) | |
2811 | ha->dcdb_active[scb->bus - 1] &= | |
2812 | ~(1 << scb->target_id); | |
2813 | ||
2814 | ips_freescb(ha, scb); | |
2815 | break; | |
2816 | case IPS_SUCCESS_IMM: | |
2817 | if (scb->scsi_cmd) | |
2818 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
2819 | ||
2820 | if (scb->bus) | |
2821 | ha->dcdb_active[scb->bus - 1] &= | |
2822 | ~(1 << scb->target_id); | |
2823 | ||
2824 | ips_freescb(ha, scb); | |
2825 | break; | |
2826 | default: | |
2827 | break; | |
2828 | } /* end case */ | |
2829 | ||
1516b55d | 2830 | p = (struct scsi_cmnd *) p->host_scribble; |
1da177e4 LT |
2831 | |
2832 | } /* end while */ | |
2833 | ||
2834 | if (intr == IPS_INTR_ON) | |
c6a6c81c | 2835 | spin_unlock(host->host_lock); |
1da177e4 LT |
2836 | } |
2837 | ||
2838 | /****************************************************************************/ | |
2839 | /* */ | |
2840 | /* Routine Name: ips_putq_scb_head */ | |
2841 | /* */ | |
2842 | /* Routine Description: */ | |
2843 | /* */ | |
2844 | /* Add an item to the head of the queue */ | |
2845 | /* */ | |
2846 | /* ASSUMED to be called from within the HA lock */ | |
2847 | /* */ | |
2848 | /****************************************************************************/ | |
2849 | static void | |
2850 | ips_putq_scb_head(ips_scb_queue_t * queue, ips_scb_t * item) | |
2851 | { | |
2852 | METHOD_TRACE("ips_putq_scb_head", 1); | |
2853 | ||
2854 | if (!item) | |
2855 | return; | |
2856 | ||
2857 | item->q_next = queue->head; | |
2858 | queue->head = item; | |
2859 | ||
2860 | if (!queue->tail) | |
2861 | queue->tail = item; | |
2862 | ||
2863 | queue->count++; | |
2864 | } | |
2865 | ||
2866 | /****************************************************************************/ | |
2867 | /* */ | |
2868 | /* Routine Name: ips_removeq_scb_head */ | |
2869 | /* */ | |
2870 | /* Routine Description: */ | |
2871 | /* */ | |
2872 | /* Remove the head of the queue */ | |
2873 | /* */ | |
2874 | /* ASSUMED to be called from within the HA lock */ | |
2875 | /* */ | |
2876 | /****************************************************************************/ | |
2877 | static ips_scb_t * | |
2878 | ips_removeq_scb_head(ips_scb_queue_t * queue) | |
2879 | { | |
2880 | ips_scb_t *item; | |
2881 | ||
2882 | METHOD_TRACE("ips_removeq_scb_head", 1); | |
2883 | ||
2884 | item = queue->head; | |
2885 | ||
2886 | if (!item) { | |
2887 | return (NULL); | |
2888 | } | |
2889 | ||
2890 | queue->head = item->q_next; | |
2891 | item->q_next = NULL; | |
2892 | ||
2893 | if (queue->tail == item) | |
2894 | queue->tail = NULL; | |
2895 | ||
2896 | queue->count--; | |
2897 | ||
2898 | return (item); | |
2899 | } | |
2900 | ||
2901 | /****************************************************************************/ | |
2902 | /* */ | |
2903 | /* Routine Name: ips_removeq_scb */ | |
2904 | /* */ | |
2905 | /* Routine Description: */ | |
2906 | /* */ | |
2907 | /* Remove an item from a queue */ | |
2908 | /* */ | |
2909 | /* ASSUMED to be called from within the HA lock */ | |
2910 | /* */ | |
2911 | /****************************************************************************/ | |
2912 | static ips_scb_t * | |
2913 | ips_removeq_scb(ips_scb_queue_t * queue, ips_scb_t * item) | |
2914 | { | |
2915 | ips_scb_t *p; | |
2916 | ||
2917 | METHOD_TRACE("ips_removeq_scb", 1); | |
2918 | ||
2919 | if (!item) | |
2920 | return (NULL); | |
2921 | ||
2922 | if (item == queue->head) { | |
2923 | return (ips_removeq_scb_head(queue)); | |
2924 | } | |
2925 | ||
2926 | p = queue->head; | |
2927 | ||
2928 | while ((p) && (item != p->q_next)) | |
2929 | p = p->q_next; | |
2930 | ||
2931 | if (p) { | |
2932 | /* found a match */ | |
2933 | p->q_next = item->q_next; | |
2934 | ||
2935 | if (!item->q_next) | |
2936 | queue->tail = p; | |
2937 | ||
2938 | item->q_next = NULL; | |
2939 | queue->count--; | |
2940 | ||
2941 | return (item); | |
2942 | } | |
2943 | ||
2944 | return (NULL); | |
2945 | } | |
2946 | ||
2947 | /****************************************************************************/ | |
2948 | /* */ | |
2949 | /* Routine Name: ips_putq_wait_tail */ | |
2950 | /* */ | |
2951 | /* Routine Description: */ | |
2952 | /* */ | |
2953 | /* Add an item to the tail of the queue */ | |
2954 | /* */ | |
2955 | /* ASSUMED to be called from within the HA lock */ | |
2956 | /* */ | |
2957 | /****************************************************************************/ | |
1516b55d | 2958 | static void ips_putq_wait_tail(ips_wait_queue_t *queue, struct scsi_cmnd *item) |
1da177e4 LT |
2959 | { |
2960 | METHOD_TRACE("ips_putq_wait_tail", 1); | |
2961 | ||
2962 | if (!item) | |
2963 | return; | |
2964 | ||
2965 | item->host_scribble = NULL; | |
2966 | ||
2967 | if (queue->tail) | |
2968 | queue->tail->host_scribble = (char *) item; | |
2969 | ||
2970 | queue->tail = item; | |
2971 | ||
2972 | if (!queue->head) | |
2973 | queue->head = item; | |
2974 | ||
2975 | queue->count++; | |
2976 | } | |
2977 | ||
2978 | /****************************************************************************/ | |
2979 | /* */ | |
2980 | /* Routine Name: ips_removeq_wait_head */ | |
2981 | /* */ | |
2982 | /* Routine Description: */ | |
2983 | /* */ | |
2984 | /* Remove the head of the queue */ | |
2985 | /* */ | |
2986 | /* ASSUMED to be called from within the HA lock */ | |
2987 | /* */ | |
2988 | /****************************************************************************/ | |
1516b55d | 2989 | static struct scsi_cmnd *ips_removeq_wait_head(ips_wait_queue_t *queue) |
1da177e4 | 2990 | { |
1516b55d | 2991 | struct scsi_cmnd *item; |
1da177e4 LT |
2992 | |
2993 | METHOD_TRACE("ips_removeq_wait_head", 1); | |
2994 | ||
2995 | item = queue->head; | |
2996 | ||
2997 | if (!item) { | |
2998 | return (NULL); | |
2999 | } | |
3000 | ||
1516b55d | 3001 | queue->head = (struct scsi_cmnd *) item->host_scribble; |
1da177e4 LT |
3002 | item->host_scribble = NULL; |
3003 | ||
3004 | if (queue->tail == item) | |
3005 | queue->tail = NULL; | |
3006 | ||
3007 | queue->count--; | |
3008 | ||
3009 | return (item); | |
3010 | } | |
3011 | ||
3012 | /****************************************************************************/ | |
3013 | /* */ | |
3014 | /* Routine Name: ips_removeq_wait */ | |
3015 | /* */ | |
3016 | /* Routine Description: */ | |
3017 | /* */ | |
3018 | /* Remove an item from a queue */ | |
3019 | /* */ | |
3020 | /* ASSUMED to be called from within the HA lock */ | |
3021 | /* */ | |
3022 | /****************************************************************************/ | |
1516b55d H |
3023 | static struct scsi_cmnd *ips_removeq_wait(ips_wait_queue_t *queue, |
3024 | struct scsi_cmnd *item) | |
1da177e4 | 3025 | { |
1516b55d | 3026 | struct scsi_cmnd *p; |
1da177e4 LT |
3027 | |
3028 | METHOD_TRACE("ips_removeq_wait", 1); | |
3029 | ||
3030 | if (!item) | |
3031 | return (NULL); | |
3032 | ||
3033 | if (item == queue->head) { | |
3034 | return (ips_removeq_wait_head(queue)); | |
3035 | } | |
3036 | ||
3037 | p = queue->head; | |
3038 | ||
1516b55d H |
3039 | while ((p) && (item != (struct scsi_cmnd *) p->host_scribble)) |
3040 | p = (struct scsi_cmnd *) p->host_scribble; | |
1da177e4 LT |
3041 | |
3042 | if (p) { | |
3043 | /* found a match */ | |
3044 | p->host_scribble = item->host_scribble; | |
3045 | ||
3046 | if (!item->host_scribble) | |
3047 | queue->tail = p; | |
3048 | ||
3049 | item->host_scribble = NULL; | |
3050 | queue->count--; | |
3051 | ||
3052 | return (item); | |
3053 | } | |
3054 | ||
3055 | return (NULL); | |
3056 | } | |
3057 | ||
3058 | /****************************************************************************/ | |
3059 | /* */ | |
3060 | /* Routine Name: ips_putq_copp_tail */ | |
3061 | /* */ | |
3062 | /* Routine Description: */ | |
3063 | /* */ | |
3064 | /* Add an item to the tail of the queue */ | |
3065 | /* */ | |
3066 | /* ASSUMED to be called from within the HA lock */ | |
3067 | /* */ | |
3068 | /****************************************************************************/ | |
3069 | static void | |
3070 | ips_putq_copp_tail(ips_copp_queue_t * queue, ips_copp_wait_item_t * item) | |
3071 | { | |
3072 | METHOD_TRACE("ips_putq_copp_tail", 1); | |
3073 | ||
3074 | if (!item) | |
3075 | return; | |
3076 | ||
3077 | item->next = NULL; | |
3078 | ||
3079 | if (queue->tail) | |
3080 | queue->tail->next = item; | |
3081 | ||
3082 | queue->tail = item; | |
3083 | ||
3084 | if (!queue->head) | |
3085 | queue->head = item; | |
3086 | ||
3087 | queue->count++; | |
3088 | } | |
3089 | ||
3090 | /****************************************************************************/ | |
3091 | /* */ | |
3092 | /* Routine Name: ips_removeq_copp_head */ | |
3093 | /* */ | |
3094 | /* Routine Description: */ | |
3095 | /* */ | |
3096 | /* Remove the head of the queue */ | |
3097 | /* */ | |
3098 | /* ASSUMED to be called from within the HA lock */ | |
3099 | /* */ | |
3100 | /****************************************************************************/ | |
3101 | static ips_copp_wait_item_t * | |
3102 | ips_removeq_copp_head(ips_copp_queue_t * queue) | |
3103 | { | |
3104 | ips_copp_wait_item_t *item; | |
3105 | ||
3106 | METHOD_TRACE("ips_removeq_copp_head", 1); | |
3107 | ||
3108 | item = queue->head; | |
3109 | ||
3110 | if (!item) { | |
3111 | return (NULL); | |
3112 | } | |
3113 | ||
3114 | queue->head = item->next; | |
3115 | item->next = NULL; | |
3116 | ||
3117 | if (queue->tail == item) | |
3118 | queue->tail = NULL; | |
3119 | ||
3120 | queue->count--; | |
3121 | ||
3122 | return (item); | |
3123 | } | |
3124 | ||
3125 | /****************************************************************************/ | |
3126 | /* */ | |
3127 | /* Routine Name: ips_removeq_copp */ | |
3128 | /* */ | |
3129 | /* Routine Description: */ | |
3130 | /* */ | |
3131 | /* Remove an item from a queue */ | |
3132 | /* */ | |
3133 | /* ASSUMED to be called from within the HA lock */ | |
3134 | /* */ | |
3135 | /****************************************************************************/ | |
3136 | static ips_copp_wait_item_t * | |
3137 | ips_removeq_copp(ips_copp_queue_t * queue, ips_copp_wait_item_t * item) | |
3138 | { | |
3139 | ips_copp_wait_item_t *p; | |
3140 | ||
3141 | METHOD_TRACE("ips_removeq_copp", 1); | |
3142 | ||
3143 | if (!item) | |
3144 | return (NULL); | |
3145 | ||
3146 | if (item == queue->head) { | |
3147 | return (ips_removeq_copp_head(queue)); | |
3148 | } | |
3149 | ||
3150 | p = queue->head; | |
3151 | ||
3152 | while ((p) && (item != p->next)) | |
3153 | p = p->next; | |
3154 | ||
3155 | if (p) { | |
3156 | /* found a match */ | |
3157 | p->next = item->next; | |
3158 | ||
3159 | if (!item->next) | |
3160 | queue->tail = p; | |
3161 | ||
3162 | item->next = NULL; | |
3163 | queue->count--; | |
3164 | ||
3165 | return (item); | |
3166 | } | |
3167 | ||
3168 | return (NULL); | |
3169 | } | |
3170 | ||
3171 | /****************************************************************************/ | |
3172 | /* */ | |
3173 | /* Routine Name: ipsintr_blocking */ | |
3174 | /* */ | |
3175 | /* Routine Description: */ | |
3176 | /* */ | |
3177 | /* Finalize an interrupt for internal commands */ | |
3178 | /* */ | |
3179 | /****************************************************************************/ | |
3180 | static void | |
3181 | ipsintr_blocking(ips_ha_t * ha, ips_scb_t * scb) | |
3182 | { | |
3183 | METHOD_TRACE("ipsintr_blocking", 2); | |
3184 | ||
3185 | ips_freescb(ha, scb); | |
3186 | if ((ha->waitflag == TRUE) && (ha->cmd_in_progress == scb->cdb[0])) { | |
3187 | ha->waitflag = FALSE; | |
3188 | ||
3189 | return; | |
3190 | } | |
3191 | } | |
3192 | ||
3193 | /****************************************************************************/ | |
3194 | /* */ | |
3195 | /* Routine Name: ipsintr_done */ | |
3196 | /* */ | |
3197 | /* Routine Description: */ | |
3198 | /* */ | |
3199 | /* Finalize an interrupt for non-internal commands */ | |
3200 | /* */ | |
3201 | /****************************************************************************/ | |
3202 | static void | |
3203 | ipsintr_done(ips_ha_t * ha, ips_scb_t * scb) | |
3204 | { | |
3205 | METHOD_TRACE("ipsintr_done", 2); | |
3206 | ||
3207 | if (!scb) { | |
3208 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
3209 | "Spurious interrupt; scb NULL.\n"); | |
3210 | ||
3211 | return; | |
3212 | } | |
3213 | ||
3214 | if (scb->scsi_cmd == NULL) { | |
3215 | /* unexpected interrupt */ | |
3216 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
3217 | "Spurious interrupt; scsi_cmd not set.\n"); | |
3218 | ||
3219 | return; | |
3220 | } | |
3221 | ||
3222 | ips_done(ha, scb); | |
3223 | } | |
3224 | ||
3225 | /****************************************************************************/ | |
3226 | /* */ | |
3227 | /* Routine Name: ips_done */ | |
3228 | /* */ | |
3229 | /* Routine Description: */ | |
3230 | /* */ | |
3231 | /* Do housekeeping on completed commands */ | |
3232 | /* ASSUMED to be called form within the request lock */ | |
3233 | /****************************************************************************/ | |
3234 | static void | |
3235 | ips_done(ips_ha_t * ha, ips_scb_t * scb) | |
3236 | { | |
3237 | int ret; | |
3238 | ||
3239 | METHOD_TRACE("ips_done", 1); | |
3240 | ||
3241 | if (!scb) | |
3242 | return; | |
3243 | ||
3244 | if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) { | |
3245 | ips_cleanup_passthru(ha, scb); | |
3246 | ha->num_ioctl--; | |
3247 | } else { | |
3248 | /* | |
3249 | * Check to see if this command had too much | |
3250 | * data and had to be broke up. If so, queue | |
3251 | * the rest of the data and continue. | |
3252 | */ | |
3253 | if ((scb->breakup) || (scb->sg_break)) { | |
2f4cf91c | 3254 | struct scatterlist *sg; |
e0eaf888 | 3255 | int i, sg_dma_index, ips_sg_index = 0; |
2f4cf91c | 3256 | |
1da177e4 LT |
3257 | /* we had a data breakup */ |
3258 | scb->data_len = 0; | |
3259 | ||
2f4cf91c | 3260 | sg = scsi_sglist(scb->scsi_cmd); |
1da177e4 | 3261 | |
2f4cf91c FT |
3262 | /* Spin forward to last dma chunk */ |
3263 | sg_dma_index = scb->breakup; | |
e0eaf888 FT |
3264 | for (i = 0; i < scb->breakup; i++) |
3265 | sg = sg_next(sg); | |
1da177e4 | 3266 | |
2f4cf91c FT |
3267 | /* Take care of possible partial on last chunk */ |
3268 | ips_fill_scb_sg_single(ha, | |
e0eaf888 | 3269 | sg_dma_address(sg), |
2f4cf91c | 3270 | scb, ips_sg_index++, |
e0eaf888 | 3271 | sg_dma_len(sg)); |
2f4cf91c FT |
3272 | |
3273 | for (; sg_dma_index < scsi_sg_count(scb->scsi_cmd); | |
e0eaf888 | 3274 | sg_dma_index++, sg = sg_next(sg)) { |
2f4cf91c FT |
3275 | if (ips_fill_scb_sg_single |
3276 | (ha, | |
e0eaf888 | 3277 | sg_dma_address(sg), |
2f4cf91c | 3278 | scb, ips_sg_index++, |
e0eaf888 | 3279 | sg_dma_len(sg)) < 0) |
2f4cf91c FT |
3280 | break; |
3281 | } | |
1da177e4 LT |
3282 | |
3283 | scb->dcdb.transfer_length = scb->data_len; | |
3284 | scb->dcdb.cmd_attribute |= | |
3285 | ips_command_direction[scb->scsi_cmd->cmnd[0]]; | |
3286 | ||
3287 | if (!(scb->dcdb.cmd_attribute & 0x3)) | |
3288 | scb->dcdb.transfer_length = 0; | |
3289 | ||
3290 | if (scb->data_len >= IPS_MAX_XFER) { | |
3291 | scb->dcdb.cmd_attribute |= IPS_TRANSFER64K; | |
3292 | scb->dcdb.transfer_length = 0; | |
3293 | } | |
3294 | ||
3295 | ret = ips_send_cmd(ha, scb); | |
3296 | ||
3297 | switch (ret) { | |
3298 | case IPS_FAILURE: | |
3299 | if (scb->scsi_cmd) { | |
3300 | scb->scsi_cmd->result = DID_ERROR << 16; | |
3301 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
3302 | } | |
3303 | ||
3304 | ips_freescb(ha, scb); | |
3305 | break; | |
3306 | case IPS_SUCCESS_IMM: | |
3307 | if (scb->scsi_cmd) { | |
3308 | scb->scsi_cmd->result = DID_ERROR << 16; | |
3309 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
3310 | } | |
3311 | ||
3312 | ips_freescb(ha, scb); | |
3313 | break; | |
3314 | default: | |
3315 | break; | |
3316 | } /* end case */ | |
3317 | ||
3318 | return; | |
3319 | } | |
3320 | } /* end if passthru */ | |
3321 | ||
3322 | if (scb->bus) { | |
3323 | ha->dcdb_active[scb->bus - 1] &= ~(1 << scb->target_id); | |
3324 | } | |
3325 | ||
3326 | scb->scsi_cmd->scsi_done(scb->scsi_cmd); | |
3327 | ||
3328 | ips_freescb(ha, scb); | |
3329 | } | |
3330 | ||
3331 | /****************************************************************************/ | |
3332 | /* */ | |
3333 | /* Routine Name: ips_map_status */ | |
3334 | /* */ | |
3335 | /* Routine Description: */ | |
3336 | /* */ | |
3337 | /* Map Controller Error codes to Linux Error Codes */ | |
3338 | /* */ | |
3339 | /****************************************************************************/ | |
3340 | static int | |
3341 | ips_map_status(ips_ha_t * ha, ips_scb_t * scb, ips_stat_t * sp) | |
3342 | { | |
3343 | int errcode; | |
3344 | int device_error; | |
3345 | uint32_t transfer_len; | |
3346 | IPS_DCDB_TABLE_TAPE *tapeDCDB; | |
a5b3c86e | 3347 | IPS_SCSI_INQ_DATA inquiryData; |
1da177e4 LT |
3348 | |
3349 | METHOD_TRACE("ips_map_status", 1); | |
3350 | ||
3351 | if (scb->bus) { | |
3352 | DEBUG_VAR(2, | |
3353 | "(%s%d) Physical device error (%d %d %d): %x %x, Sense Key: %x, ASC: %x, ASCQ: %x", | |
3354 | ips_name, ha->host_num, | |
3355 | scb->scsi_cmd->device->channel, | |
3356 | scb->scsi_cmd->device->id, scb->scsi_cmd->device->lun, | |
3357 | scb->basic_status, scb->extended_status, | |
3358 | scb->extended_status == | |
3359 | IPS_ERR_CKCOND ? scb->dcdb.sense_info[2] & 0xf : 0, | |
3360 | scb->extended_status == | |
3361 | IPS_ERR_CKCOND ? scb->dcdb.sense_info[12] : 0, | |
3362 | scb->extended_status == | |
3363 | IPS_ERR_CKCOND ? scb->dcdb.sense_info[13] : 0); | |
3364 | } | |
3365 | ||
3366 | /* default driver error */ | |
3367 | errcode = DID_ERROR; | |
3368 | device_error = 0; | |
3369 | ||
3370 | switch (scb->basic_status & IPS_GSC_STATUS_MASK) { | |
3371 | case IPS_CMD_TIMEOUT: | |
3372 | errcode = DID_TIME_OUT; | |
3373 | break; | |
3374 | ||
3375 | case IPS_INVAL_OPCO: | |
3376 | case IPS_INVAL_CMD_BLK: | |
3377 | case IPS_INVAL_PARM_BLK: | |
3378 | case IPS_LD_ERROR: | |
3379 | case IPS_CMD_CMPLT_WERROR: | |
3380 | break; | |
3381 | ||
3382 | case IPS_PHYS_DRV_ERROR: | |
3383 | switch (scb->extended_status) { | |
3384 | case IPS_ERR_SEL_TO: | |
3385 | if (scb->bus) | |
3386 | errcode = DID_NO_CONNECT; | |
3387 | ||
3388 | break; | |
3389 | ||
3390 | case IPS_ERR_OU_RUN: | |
3391 | if ((scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB) || | |
3392 | (scb->cmd.dcdb.op_code == | |
3393 | IPS_CMD_EXTENDED_DCDB_SG)) { | |
3394 | tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; | |
3395 | transfer_len = tapeDCDB->transfer_length; | |
3396 | } else { | |
3397 | transfer_len = | |
3398 | (uint32_t) scb->dcdb.transfer_length; | |
3399 | } | |
3400 | ||
3401 | if ((scb->bus) && (transfer_len < scb->data_len)) { | |
3402 | /* Underrun - set default to no error */ | |
3403 | errcode = DID_OK; | |
3404 | ||
3405 | /* Restrict access to physical DASD */ | |
a5b3c86e JH |
3406 | if (scb->scsi_cmd->cmnd[0] == INQUIRY) { |
3407 | ips_scmd_buf_read(scb->scsi_cmd, | |
3408 | &inquiryData, sizeof (inquiryData)); | |
3409 | if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) { | |
3410 | errcode = DID_TIME_OUT; | |
3411 | break; | |
3412 | } | |
1da177e4 LT |
3413 | } |
3414 | } else | |
3415 | errcode = DID_ERROR; | |
3416 | ||
3417 | break; | |
3418 | ||
3419 | case IPS_ERR_RECOVERY: | |
3420 | /* don't fail recovered errors */ | |
3421 | if (scb->bus) | |
3422 | errcode = DID_OK; | |
3423 | ||
3424 | break; | |
3425 | ||
3426 | case IPS_ERR_HOST_RESET: | |
3427 | case IPS_ERR_DEV_RESET: | |
3428 | errcode = DID_RESET; | |
3429 | break; | |
3430 | ||
3431 | case IPS_ERR_CKCOND: | |
3432 | if (scb->bus) { | |
3433 | if ((scb->cmd.dcdb.op_code == | |
3434 | IPS_CMD_EXTENDED_DCDB) | |
3435 | || (scb->cmd.dcdb.op_code == | |
3436 | IPS_CMD_EXTENDED_DCDB_SG)) { | |
3437 | tapeDCDB = | |
3438 | (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; | |
3439 | memcpy(scb->scsi_cmd->sense_buffer, | |
3440 | tapeDCDB->sense_info, | |
3441 | sizeof (scb->scsi_cmd-> | |
3442 | sense_buffer)); | |
3443 | } else { | |
3444 | memcpy(scb->scsi_cmd->sense_buffer, | |
3445 | scb->dcdb.sense_info, | |
3446 | sizeof (scb->scsi_cmd-> | |
3447 | sense_buffer)); | |
3448 | } | |
3449 | device_error = 2; /* check condition */ | |
3450 | } | |
3451 | ||
3452 | errcode = DID_OK; | |
3453 | ||
3454 | break; | |
3455 | ||
3456 | default: | |
3457 | errcode = DID_ERROR; | |
3458 | break; | |
3459 | ||
3460 | } /* end switch */ | |
3461 | } /* end switch */ | |
3462 | ||
3463 | scb->scsi_cmd->result = device_error | (errcode << 16); | |
3464 | ||
3465 | return (1); | |
3466 | } | |
3467 | ||
3468 | /****************************************************************************/ | |
3469 | /* */ | |
3470 | /* Routine Name: ips_send_wait */ | |
3471 | /* */ | |
3472 | /* Routine Description: */ | |
3473 | /* */ | |
3474 | /* Send a command to the controller and wait for it to return */ | |
3475 | /* */ | |
3476 | /* The FFDC Time Stamp use this function for the callback, but doesn't */ | |
3477 | /* actually need to wait. */ | |
3478 | /****************************************************************************/ | |
3479 | static int | |
3480 | ips_send_wait(ips_ha_t * ha, ips_scb_t * scb, int timeout, int intr) | |
3481 | { | |
3482 | int ret; | |
3483 | ||
3484 | METHOD_TRACE("ips_send_wait", 1); | |
3485 | ||
3486 | if (intr != IPS_FFDC) { /* Won't be Waiting if this is a Time Stamp */ | |
3487 | ha->waitflag = TRUE; | |
3488 | ha->cmd_in_progress = scb->cdb[0]; | |
3489 | } | |
3490 | scb->callback = ipsintr_blocking; | |
3491 | ret = ips_send_cmd(ha, scb); | |
3492 | ||
3493 | if ((ret == IPS_FAILURE) || (ret == IPS_SUCCESS_IMM)) | |
3494 | return (ret); | |
3495 | ||
3496 | if (intr != IPS_FFDC) /* Don't Wait around if this is a Time Stamp */ | |
3497 | ret = ips_wait(ha, timeout, intr); | |
3498 | ||
3499 | return (ret); | |
3500 | } | |
3501 | ||
3502 | /****************************************************************************/ | |
3503 | /* */ | |
3504 | /* Routine Name: ips_scmd_buf_write */ | |
3505 | /* */ | |
3506 | /* Routine Description: */ | |
1516b55d | 3507 | /* Write data to struct scsi_cmnd request_buffer at proper offsets */ |
1da177e4 LT |
3508 | /****************************************************************************/ |
3509 | static void | |
1516b55d | 3510 | ips_scmd_buf_write(struct scsi_cmnd *scmd, void *data, unsigned int count) |
1da177e4 | 3511 | { |
2f4cf91c FT |
3512 | int i; |
3513 | unsigned int min_cnt, xfer_cnt; | |
3514 | char *cdata = (char *) data; | |
3515 | unsigned char *buffer; | |
3516 | unsigned long flags; | |
3517 | struct scatterlist *sg = scsi_sglist(scmd); | |
3518 | ||
3519 | for (i = 0, xfer_cnt = 0; | |
3520 | (i < scsi_sg_count(scmd)) && (xfer_cnt < count); i++) { | |
3521 | min_cnt = min(count - xfer_cnt, sg[i].length); | |
3522 | ||
3523 | /* kmap_atomic() ensures addressability of the data buffer.*/ | |
3524 | /* local_irq_save() protects the KM_IRQ0 address slot. */ | |
3525 | local_irq_save(flags); | |
45711f1a | 3526 | buffer = kmap_atomic(sg_page(&sg[i]), KM_IRQ0) + sg[i].offset; |
2f4cf91c FT |
3527 | memcpy(buffer, &cdata[xfer_cnt], min_cnt); |
3528 | kunmap_atomic(buffer - sg[i].offset, KM_IRQ0); | |
3529 | local_irq_restore(flags); | |
3530 | ||
3531 | xfer_cnt += min_cnt; | |
3532 | } | |
1da177e4 LT |
3533 | } |
3534 | ||
3535 | /****************************************************************************/ | |
3536 | /* */ | |
3537 | /* Routine Name: ips_scmd_buf_read */ | |
3538 | /* */ | |
3539 | /* Routine Description: */ | |
1516b55d | 3540 | /* Copy data from a struct scsi_cmnd to a new, linear buffer */ |
1da177e4 LT |
3541 | /****************************************************************************/ |
3542 | static void | |
1516b55d | 3543 | ips_scmd_buf_read(struct scsi_cmnd *scmd, void *data, unsigned int count) |
1da177e4 | 3544 | { |
2f4cf91c FT |
3545 | int i; |
3546 | unsigned int min_cnt, xfer_cnt; | |
3547 | char *cdata = (char *) data; | |
3548 | unsigned char *buffer; | |
3549 | unsigned long flags; | |
3550 | struct scatterlist *sg = scsi_sglist(scmd); | |
3551 | ||
3552 | for (i = 0, xfer_cnt = 0; | |
3553 | (i < scsi_sg_count(scmd)) && (xfer_cnt < count); i++) { | |
3554 | min_cnt = min(count - xfer_cnt, sg[i].length); | |
3555 | ||
3556 | /* kmap_atomic() ensures addressability of the data buffer.*/ | |
3557 | /* local_irq_save() protects the KM_IRQ0 address slot. */ | |
3558 | local_irq_save(flags); | |
45711f1a | 3559 | buffer = kmap_atomic(sg_page(&sg[i]), KM_IRQ0) + sg[i].offset; |
2f4cf91c FT |
3560 | memcpy(&cdata[xfer_cnt], buffer, min_cnt); |
3561 | kunmap_atomic(buffer - sg[i].offset, KM_IRQ0); | |
3562 | local_irq_restore(flags); | |
3563 | ||
3564 | xfer_cnt += min_cnt; | |
3565 | } | |
1da177e4 LT |
3566 | } |
3567 | ||
3568 | /****************************************************************************/ | |
3569 | /* */ | |
3570 | /* Routine Name: ips_send_cmd */ | |
3571 | /* */ | |
3572 | /* Routine Description: */ | |
3573 | /* */ | |
3574 | /* Map SCSI commands to ServeRAID commands for logical drives */ | |
3575 | /* */ | |
3576 | /****************************************************************************/ | |
3577 | static int | |
3578 | ips_send_cmd(ips_ha_t * ha, ips_scb_t * scb) | |
3579 | { | |
3580 | int ret; | |
3581 | char *sp; | |
3582 | int device_error; | |
3583 | IPS_DCDB_TABLE_TAPE *tapeDCDB; | |
3584 | int TimeOut; | |
3585 | ||
3586 | METHOD_TRACE("ips_send_cmd", 1); | |
3587 | ||
3588 | ret = IPS_SUCCESS; | |
3589 | ||
3590 | if (!scb->scsi_cmd) { | |
3591 | /* internal command */ | |
3592 | ||
3593 | if (scb->bus > 0) { | |
3594 | /* Controller commands can't be issued */ | |
3595 | /* to real devices -- fail them */ | |
3596 | if ((ha->waitflag == TRUE) && | |
3597 | (ha->cmd_in_progress == scb->cdb[0])) { | |
3598 | ha->waitflag = FALSE; | |
3599 | } | |
3600 | ||
3601 | return (1); | |
3602 | } | |
3603 | } else if ((scb->bus == 0) && (!ips_is_passthru(scb->scsi_cmd))) { | |
3604 | /* command to logical bus -- interpret */ | |
3605 | ret = IPS_SUCCESS_IMM; | |
3606 | ||
3607 | switch (scb->scsi_cmd->cmnd[0]) { | |
3608 | case ALLOW_MEDIUM_REMOVAL: | |
3609 | case REZERO_UNIT: | |
3610 | case ERASE: | |
3611 | case WRITE_FILEMARKS: | |
3612 | case SPACE: | |
3613 | scb->scsi_cmd->result = DID_ERROR << 16; | |
3614 | break; | |
3615 | ||
3616 | case START_STOP: | |
3617 | scb->scsi_cmd->result = DID_OK << 16; | |
3618 | ||
3619 | case TEST_UNIT_READY: | |
3620 | case INQUIRY: | |
3621 | if (scb->target_id == IPS_ADAPTER_ID) { | |
3622 | /* | |
3623 | * Either we have a TUR | |
3624 | * or we have a SCSI inquiry | |
3625 | */ | |
3626 | if (scb->scsi_cmd->cmnd[0] == TEST_UNIT_READY) | |
3627 | scb->scsi_cmd->result = DID_OK << 16; | |
3628 | ||
3629 | if (scb->scsi_cmd->cmnd[0] == INQUIRY) { | |
3630 | IPS_SCSI_INQ_DATA inquiry; | |
3631 | ||
3632 | memset(&inquiry, 0, | |
3633 | sizeof (IPS_SCSI_INQ_DATA)); | |
3634 | ||
3635 | inquiry.DeviceType = | |
3636 | IPS_SCSI_INQ_TYPE_PROCESSOR; | |
3637 | inquiry.DeviceTypeQualifier = | |
3638 | IPS_SCSI_INQ_LU_CONNECTED; | |
3639 | inquiry.Version = IPS_SCSI_INQ_REV2; | |
3640 | inquiry.ResponseDataFormat = | |
3641 | IPS_SCSI_INQ_RD_REV2; | |
3642 | inquiry.AdditionalLength = 31; | |
3643 | inquiry.Flags[0] = | |
3644 | IPS_SCSI_INQ_Address16; | |
3645 | inquiry.Flags[1] = | |
3646 | IPS_SCSI_INQ_WBus16 | | |
3647 | IPS_SCSI_INQ_Sync; | |
3648 | strncpy(inquiry.VendorId, "IBM ", | |
3649 | 8); | |
3650 | strncpy(inquiry.ProductId, | |
3651 | "SERVERAID ", 16); | |
3652 | strncpy(inquiry.ProductRevisionLevel, | |
3653 | "1.00", 4); | |
3654 | ||
3655 | ips_scmd_buf_write(scb->scsi_cmd, | |
3656 | &inquiry, | |
3657 | sizeof (inquiry)); | |
3658 | ||
3659 | scb->scsi_cmd->result = DID_OK << 16; | |
3660 | } | |
3661 | } else { | |
3662 | scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO; | |
3663 | scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb); | |
3664 | scb->cmd.logical_info.reserved = 0; | |
3665 | scb->cmd.logical_info.reserved2 = 0; | |
3666 | scb->data_len = sizeof (IPS_LD_INFO); | |
3667 | scb->data_busaddr = ha->logical_drive_info_dma_addr; | |
3668 | scb->flags = 0; | |
3669 | scb->cmd.logical_info.buffer_addr = scb->data_busaddr; | |
3670 | ret = IPS_SUCCESS; | |
3671 | } | |
3672 | ||
3673 | break; | |
3674 | ||
3675 | case REQUEST_SENSE: | |
3676 | ips_reqsen(ha, scb); | |
3677 | scb->scsi_cmd->result = DID_OK << 16; | |
3678 | break; | |
3679 | ||
3680 | case READ_6: | |
3681 | case WRITE_6: | |
3682 | if (!scb->sg_len) { | |
3683 | scb->cmd.basic_io.op_code = | |
3684 | (scb->scsi_cmd->cmnd[0] == | |
3685 | READ_6) ? IPS_CMD_READ : IPS_CMD_WRITE; | |
3686 | scb->cmd.basic_io.enhanced_sg = 0; | |
3687 | scb->cmd.basic_io.sg_addr = | |
3688 | cpu_to_le32(scb->data_busaddr); | |
3689 | } else { | |
3690 | scb->cmd.basic_io.op_code = | |
3691 | (scb->scsi_cmd->cmnd[0] == | |
3692 | READ_6) ? IPS_CMD_READ_SG : | |
3693 | IPS_CMD_WRITE_SG; | |
3694 | scb->cmd.basic_io.enhanced_sg = | |
3695 | IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0; | |
3696 | scb->cmd.basic_io.sg_addr = | |
3697 | cpu_to_le32(scb->sg_busaddr); | |
3698 | } | |
3699 | ||
3700 | scb->cmd.basic_io.segment_4G = 0; | |
3701 | scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); | |
3702 | scb->cmd.basic_io.log_drv = scb->target_id; | |
3703 | scb->cmd.basic_io.sg_count = scb->sg_len; | |
3704 | ||
3705 | if (scb->cmd.basic_io.lba) | |
3706 | scb->cmd.basic_io.lba = | |
3707 | cpu_to_le32(le32_to_cpu | |
3708 | (scb->cmd.basic_io.lba) + | |
3709 | le16_to_cpu(scb->cmd.basic_io. | |
3710 | sector_count)); | |
3711 | else | |
3712 | scb->cmd.basic_io.lba = | |
3713 | (((scb->scsi_cmd-> | |
3714 | cmnd[1] & 0x1f) << 16) | (scb->scsi_cmd-> | |
3715 | cmnd[2] << 8) | | |
3716 | (scb->scsi_cmd->cmnd[3])); | |
3717 | ||
3718 | scb->cmd.basic_io.sector_count = | |
3719 | cpu_to_le16(scb->data_len / IPS_BLKSIZE); | |
3720 | ||
3721 | if (le16_to_cpu(scb->cmd.basic_io.sector_count) == 0) | |
3722 | scb->cmd.basic_io.sector_count = | |
3723 | cpu_to_le16(256); | |
3724 | ||
3725 | ret = IPS_SUCCESS; | |
3726 | break; | |
3727 | ||
3728 | case READ_10: | |
3729 | case WRITE_10: | |
3730 | if (!scb->sg_len) { | |
3731 | scb->cmd.basic_io.op_code = | |
3732 | (scb->scsi_cmd->cmnd[0] == | |
3733 | READ_10) ? IPS_CMD_READ : IPS_CMD_WRITE; | |
3734 | scb->cmd.basic_io.enhanced_sg = 0; | |
3735 | scb->cmd.basic_io.sg_addr = | |
3736 | cpu_to_le32(scb->data_busaddr); | |
3737 | } else { | |
3738 | scb->cmd.basic_io.op_code = | |
3739 | (scb->scsi_cmd->cmnd[0] == | |
3740 | READ_10) ? IPS_CMD_READ_SG : | |
3741 | IPS_CMD_WRITE_SG; | |
3742 | scb->cmd.basic_io.enhanced_sg = | |
3743 | IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0; | |
3744 | scb->cmd.basic_io.sg_addr = | |
3745 | cpu_to_le32(scb->sg_busaddr); | |
3746 | } | |
3747 | ||
3748 | scb->cmd.basic_io.segment_4G = 0; | |
3749 | scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); | |
3750 | scb->cmd.basic_io.log_drv = scb->target_id; | |
3751 | scb->cmd.basic_io.sg_count = scb->sg_len; | |
3752 | ||
3753 | if (scb->cmd.basic_io.lba) | |
3754 | scb->cmd.basic_io.lba = | |
3755 | cpu_to_le32(le32_to_cpu | |
3756 | (scb->cmd.basic_io.lba) + | |
3757 | le16_to_cpu(scb->cmd.basic_io. | |
3758 | sector_count)); | |
3759 | else | |
3760 | scb->cmd.basic_io.lba = | |
3761 | ((scb->scsi_cmd->cmnd[2] << 24) | (scb-> | |
3762 | scsi_cmd-> | |
3763 | cmnd[3] | |
3764 | << 16) | | |
3765 | (scb->scsi_cmd->cmnd[4] << 8) | scb-> | |
3766 | scsi_cmd->cmnd[5]); | |
3767 | ||
3768 | scb->cmd.basic_io.sector_count = | |
3769 | cpu_to_le16(scb->data_len / IPS_BLKSIZE); | |
3770 | ||
3771 | if (cpu_to_le16(scb->cmd.basic_io.sector_count) == 0) { | |
3772 | /* | |
3773 | * This is a null condition | |
3774 | * we don't have to do anything | |
3775 | * so just return | |
3776 | */ | |
3777 | scb->scsi_cmd->result = DID_OK << 16; | |
3778 | } else | |
3779 | ret = IPS_SUCCESS; | |
3780 | ||
3781 | break; | |
3782 | ||
3783 | case RESERVE: | |
3784 | case RELEASE: | |
3785 | scb->scsi_cmd->result = DID_OK << 16; | |
3786 | break; | |
3787 | ||
3788 | case MODE_SENSE: | |
3789 | scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY; | |
3790 | scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); | |
3791 | scb->cmd.basic_io.segment_4G = 0; | |
3792 | scb->cmd.basic_io.enhanced_sg = 0; | |
3793 | scb->data_len = sizeof (*ha->enq); | |
3794 | scb->cmd.basic_io.sg_addr = ha->enq_busaddr; | |
3795 | ret = IPS_SUCCESS; | |
3796 | break; | |
3797 | ||
3798 | case READ_CAPACITY: | |
3799 | scb->cmd.logical_info.op_code = IPS_CMD_GET_LD_INFO; | |
3800 | scb->cmd.logical_info.command_id = IPS_COMMAND_ID(ha, scb); | |
3801 | scb->cmd.logical_info.reserved = 0; | |
3802 | scb->cmd.logical_info.reserved2 = 0; | |
3803 | scb->cmd.logical_info.reserved3 = 0; | |
3804 | scb->data_len = sizeof (IPS_LD_INFO); | |
3805 | scb->data_busaddr = ha->logical_drive_info_dma_addr; | |
3806 | scb->flags = 0; | |
3807 | scb->cmd.logical_info.buffer_addr = scb->data_busaddr; | |
3808 | ret = IPS_SUCCESS; | |
3809 | break; | |
3810 | ||
3811 | case SEND_DIAGNOSTIC: | |
3812 | case REASSIGN_BLOCKS: | |
3813 | case FORMAT_UNIT: | |
3814 | case SEEK_10: | |
3815 | case VERIFY: | |
3816 | case READ_DEFECT_DATA: | |
3817 | case READ_BUFFER: | |
3818 | case WRITE_BUFFER: | |
3819 | scb->scsi_cmd->result = DID_OK << 16; | |
3820 | break; | |
3821 | ||
3822 | default: | |
3823 | /* Set the Return Info to appear like the Command was */ | |
3824 | /* attempted, a Check Condition occurred, and Sense */ | |
3825 | /* Data indicating an Invalid CDB OpCode is returned. */ | |
3826 | sp = (char *) scb->scsi_cmd->sense_buffer; | |
3827 | memset(sp, 0, sizeof (scb->scsi_cmd->sense_buffer)); | |
3828 | ||
3829 | sp[0] = 0x70; /* Error Code */ | |
3830 | sp[2] = ILLEGAL_REQUEST; /* Sense Key 5 Illegal Req. */ | |
3831 | sp[7] = 0x0A; /* Additional Sense Length */ | |
3832 | sp[12] = 0x20; /* ASC = Invalid OpCode */ | |
3833 | sp[13] = 0x00; /* ASCQ */ | |
3834 | ||
3835 | device_error = 2; /* Indicate Check Condition */ | |
3836 | scb->scsi_cmd->result = device_error | (DID_OK << 16); | |
3837 | break; | |
3838 | } /* end switch */ | |
3839 | } | |
3840 | /* end if */ | |
3841 | if (ret == IPS_SUCCESS_IMM) | |
3842 | return (ret); | |
3843 | ||
3844 | /* setup DCDB */ | |
3845 | if (scb->bus > 0) { | |
3846 | ||
3847 | /* If we already know the Device is Not there, no need to attempt a Command */ | |
3848 | /* This also protects an NT FailOver Controller from getting CDB's sent to it */ | |
3849 | if (ha->conf->dev[scb->bus - 1][scb->target_id].ucState == 0) { | |
3850 | scb->scsi_cmd->result = DID_NO_CONNECT << 16; | |
3851 | return (IPS_SUCCESS_IMM); | |
3852 | } | |
3853 | ||
3854 | ha->dcdb_active[scb->bus - 1] |= (1 << scb->target_id); | |
3855 | scb->cmd.dcdb.command_id = IPS_COMMAND_ID(ha, scb); | |
3856 | scb->cmd.dcdb.dcdb_address = cpu_to_le32(scb->scb_busaddr + | |
3857 | (unsigned long) &scb-> | |
3858 | dcdb - | |
3859 | (unsigned long) scb); | |
3860 | scb->cmd.dcdb.reserved = 0; | |
3861 | scb->cmd.dcdb.reserved2 = 0; | |
3862 | scb->cmd.dcdb.reserved3 = 0; | |
3863 | scb->cmd.dcdb.segment_4G = 0; | |
3864 | scb->cmd.dcdb.enhanced_sg = 0; | |
3865 | ||
3866 | TimeOut = scb->scsi_cmd->timeout_per_command; | |
3867 | ||
3868 | if (ha->subsys->param[4] & 0x00100000) { /* If NEW Tape DCDB is Supported */ | |
3869 | if (!scb->sg_len) { | |
3870 | scb->cmd.dcdb.op_code = IPS_CMD_EXTENDED_DCDB; | |
3871 | } else { | |
3872 | scb->cmd.dcdb.op_code = | |
3873 | IPS_CMD_EXTENDED_DCDB_SG; | |
3874 | scb->cmd.dcdb.enhanced_sg = | |
3875 | IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0; | |
3876 | } | |
3877 | ||
3878 | tapeDCDB = (IPS_DCDB_TABLE_TAPE *) & scb->dcdb; /* Use Same Data Area as Old DCDB Struct */ | |
3879 | tapeDCDB->device_address = | |
3880 | ((scb->bus - 1) << 4) | scb->target_id; | |
3881 | tapeDCDB->cmd_attribute |= IPS_DISCONNECT_ALLOWED; | |
3882 | tapeDCDB->cmd_attribute &= ~IPS_TRANSFER64K; /* Always Turn OFF 64K Size Flag */ | |
3883 | ||
3884 | if (TimeOut) { | |
3885 | if (TimeOut < (10 * HZ)) | |
3886 | tapeDCDB->cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */ | |
3887 | else if (TimeOut < (60 * HZ)) | |
3888 | tapeDCDB->cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */ | |
3889 | else if (TimeOut < (1200 * HZ)) | |
3890 | tapeDCDB->cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */ | |
3891 | } | |
3892 | ||
3893 | tapeDCDB->cdb_length = scb->scsi_cmd->cmd_len; | |
3894 | tapeDCDB->reserved_for_LUN = 0; | |
3895 | tapeDCDB->transfer_length = scb->data_len; | |
3896 | if (scb->cmd.dcdb.op_code == IPS_CMD_EXTENDED_DCDB_SG) | |
3897 | tapeDCDB->buffer_pointer = | |
3898 | cpu_to_le32(scb->sg_busaddr); | |
3899 | else | |
3900 | tapeDCDB->buffer_pointer = | |
3901 | cpu_to_le32(scb->data_busaddr); | |
3902 | tapeDCDB->sg_count = scb->sg_len; | |
3903 | tapeDCDB->sense_length = sizeof (tapeDCDB->sense_info); | |
3904 | tapeDCDB->scsi_status = 0; | |
3905 | tapeDCDB->reserved = 0; | |
3906 | memcpy(tapeDCDB->scsi_cdb, scb->scsi_cmd->cmnd, | |
3907 | scb->scsi_cmd->cmd_len); | |
3908 | } else { | |
3909 | if (!scb->sg_len) { | |
3910 | scb->cmd.dcdb.op_code = IPS_CMD_DCDB; | |
3911 | } else { | |
3912 | scb->cmd.dcdb.op_code = IPS_CMD_DCDB_SG; | |
3913 | scb->cmd.dcdb.enhanced_sg = | |
3914 | IPS_USE_ENH_SGLIST(ha) ? 0xFF : 0; | |
3915 | } | |
3916 | ||
3917 | scb->dcdb.device_address = | |
3918 | ((scb->bus - 1) << 4) | scb->target_id; | |
3919 | scb->dcdb.cmd_attribute |= IPS_DISCONNECT_ALLOWED; | |
3920 | ||
3921 | if (TimeOut) { | |
3922 | if (TimeOut < (10 * HZ)) | |
3923 | scb->dcdb.cmd_attribute |= IPS_TIMEOUT10; /* TimeOut is 10 Seconds */ | |
3924 | else if (TimeOut < (60 * HZ)) | |
3925 | scb->dcdb.cmd_attribute |= IPS_TIMEOUT60; /* TimeOut is 60 Seconds */ | |
3926 | else if (TimeOut < (1200 * HZ)) | |
3927 | scb->dcdb.cmd_attribute |= IPS_TIMEOUT20M; /* TimeOut is 20 Minutes */ | |
3928 | } | |
3929 | ||
3930 | scb->dcdb.transfer_length = scb->data_len; | |
3931 | if (scb->dcdb.cmd_attribute & IPS_TRANSFER64K) | |
3932 | scb->dcdb.transfer_length = 0; | |
3933 | if (scb->cmd.dcdb.op_code == IPS_CMD_DCDB_SG) | |
3934 | scb->dcdb.buffer_pointer = | |
3935 | cpu_to_le32(scb->sg_busaddr); | |
3936 | else | |
3937 | scb->dcdb.buffer_pointer = | |
3938 | cpu_to_le32(scb->data_busaddr); | |
3939 | scb->dcdb.cdb_length = scb->scsi_cmd->cmd_len; | |
3940 | scb->dcdb.sense_length = sizeof (scb->dcdb.sense_info); | |
3941 | scb->dcdb.sg_count = scb->sg_len; | |
3942 | scb->dcdb.reserved = 0; | |
3943 | memcpy(scb->dcdb.scsi_cdb, scb->scsi_cmd->cmnd, | |
3944 | scb->scsi_cmd->cmd_len); | |
3945 | scb->dcdb.scsi_status = 0; | |
3946 | scb->dcdb.reserved2[0] = 0; | |
3947 | scb->dcdb.reserved2[1] = 0; | |
3948 | scb->dcdb.reserved2[2] = 0; | |
3949 | } | |
3950 | } | |
3951 | ||
3952 | return ((*ha->func.issue) (ha, scb)); | |
3953 | } | |
3954 | ||
3955 | /****************************************************************************/ | |
3956 | /* */ | |
3957 | /* Routine Name: ips_chk_status */ | |
3958 | /* */ | |
3959 | /* Routine Description: */ | |
3960 | /* */ | |
3961 | /* Check the status of commands to logical drives */ | |
3962 | /* Assumed to be called with the HA lock */ | |
3963 | /****************************************************************************/ | |
3964 | static void | |
3965 | ips_chkstatus(ips_ha_t * ha, IPS_STATUS * pstatus) | |
3966 | { | |
3967 | ips_scb_t *scb; | |
3968 | ips_stat_t *sp; | |
3969 | uint8_t basic_status; | |
3970 | uint8_t ext_status; | |
3971 | int errcode; | |
a5b3c86e | 3972 | IPS_SCSI_INQ_DATA inquiryData; |
1da177e4 LT |
3973 | |
3974 | METHOD_TRACE("ips_chkstatus", 1); | |
3975 | ||
3976 | scb = &ha->scbs[pstatus->fields.command_id]; | |
3977 | scb->basic_status = basic_status = | |
3978 | pstatus->fields.basic_status & IPS_BASIC_STATUS_MASK; | |
3979 | scb->extended_status = ext_status = pstatus->fields.extended_status; | |
3980 | ||
3981 | sp = &ha->sp; | |
3982 | sp->residue_len = 0; | |
3983 | sp->scb_addr = (void *) scb; | |
3984 | ||
3985 | /* Remove the item from the active queue */ | |
3986 | ips_removeq_scb(&ha->scb_activelist, scb); | |
3987 | ||
3988 | if (!scb->scsi_cmd) | |
3989 | /* internal commands are handled in do_ipsintr */ | |
3990 | return; | |
3991 | ||
3992 | DEBUG_VAR(2, "(%s%d) ips_chkstatus: cmd 0x%X id %d (%d %d %d)", | |
3993 | ips_name, | |
3994 | ha->host_num, | |
3995 | scb->cdb[0], | |
3996 | scb->cmd.basic_io.command_id, | |
3997 | scb->bus, scb->target_id, scb->lun); | |
3998 | ||
3999 | if ((scb->scsi_cmd) && (ips_is_passthru(scb->scsi_cmd))) | |
4000 | /* passthru - just returns the raw result */ | |
4001 | return; | |
4002 | ||
4003 | errcode = DID_OK; | |
4004 | ||
4005 | if (((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_SUCCESS) || | |
4006 | ((basic_status & IPS_GSC_STATUS_MASK) == IPS_CMD_RECOVERED_ERROR)) { | |
4007 | ||
4008 | if (scb->bus == 0) { | |
4009 | if ((basic_status & IPS_GSC_STATUS_MASK) == | |
4010 | IPS_CMD_RECOVERED_ERROR) { | |
4011 | DEBUG_VAR(1, | |
4012 | "(%s%d) Recovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x", | |
4013 | ips_name, ha->host_num, | |
4014 | scb->cmd.basic_io.op_code, | |
4015 | basic_status, ext_status); | |
4016 | } | |
4017 | ||
4018 | switch (scb->scsi_cmd->cmnd[0]) { | |
4019 | case ALLOW_MEDIUM_REMOVAL: | |
4020 | case REZERO_UNIT: | |
4021 | case ERASE: | |
4022 | case WRITE_FILEMARKS: | |
4023 | case SPACE: | |
4024 | errcode = DID_ERROR; | |
4025 | break; | |
4026 | ||
4027 | case START_STOP: | |
4028 | break; | |
4029 | ||
4030 | case TEST_UNIT_READY: | |
4031 | if (!ips_online(ha, scb)) { | |
4032 | errcode = DID_TIME_OUT; | |
4033 | } | |
4034 | break; | |
4035 | ||
4036 | case INQUIRY: | |
4037 | if (ips_online(ha, scb)) { | |
4038 | ips_inquiry(ha, scb); | |
4039 | } else { | |
4040 | errcode = DID_TIME_OUT; | |
4041 | } | |
4042 | break; | |
4043 | ||
4044 | case REQUEST_SENSE: | |
4045 | ips_reqsen(ha, scb); | |
4046 | break; | |
4047 | ||
4048 | case READ_6: | |
4049 | case WRITE_6: | |
4050 | case READ_10: | |
4051 | case WRITE_10: | |
4052 | case RESERVE: | |
4053 | case RELEASE: | |
4054 | break; | |
4055 | ||
4056 | case MODE_SENSE: | |
4057 | if (!ips_online(ha, scb) | |
4058 | || !ips_msense(ha, scb)) { | |
4059 | errcode = DID_ERROR; | |
4060 | } | |
4061 | break; | |
4062 | ||
4063 | case READ_CAPACITY: | |
4064 | if (ips_online(ha, scb)) | |
4065 | ips_rdcap(ha, scb); | |
4066 | else { | |
4067 | errcode = DID_TIME_OUT; | |
4068 | } | |
4069 | break; | |
4070 | ||
4071 | case SEND_DIAGNOSTIC: | |
4072 | case REASSIGN_BLOCKS: | |
4073 | break; | |
4074 | ||
4075 | case FORMAT_UNIT: | |
4076 | errcode = DID_ERROR; | |
4077 | break; | |
4078 | ||
4079 | case SEEK_10: | |
4080 | case VERIFY: | |
4081 | case READ_DEFECT_DATA: | |
4082 | case READ_BUFFER: | |
4083 | case WRITE_BUFFER: | |
4084 | break; | |
4085 | ||
4086 | default: | |
4087 | errcode = DID_ERROR; | |
4088 | } /* end switch */ | |
4089 | ||
4090 | scb->scsi_cmd->result = errcode << 16; | |
4091 | } else { /* bus == 0 */ | |
4092 | /* restrict access to physical drives */ | |
a5b3c86e JH |
4093 | if (scb->scsi_cmd->cmnd[0] == INQUIRY) { |
4094 | ips_scmd_buf_read(scb->scsi_cmd, | |
4095 | &inquiryData, sizeof (inquiryData)); | |
4096 | if ((inquiryData.DeviceType & 0x1f) == TYPE_DISK) | |
4097 | scb->scsi_cmd->result = DID_TIME_OUT << 16; | |
1da177e4 LT |
4098 | } |
4099 | } /* else */ | |
4100 | } else { /* recovered error / success */ | |
4101 | if (scb->bus == 0) { | |
4102 | DEBUG_VAR(1, | |
4103 | "(%s%d) Unrecovered Logical Drive Error OpCode: %x, BSB: %x, ESB: %x", | |
4104 | ips_name, ha->host_num, | |
4105 | scb->cmd.basic_io.op_code, basic_status, | |
4106 | ext_status); | |
4107 | } | |
4108 | ||
4109 | ips_map_status(ha, scb, sp); | |
4110 | } /* else */ | |
4111 | } | |
4112 | ||
4113 | /****************************************************************************/ | |
4114 | /* */ | |
4115 | /* Routine Name: ips_online */ | |
4116 | /* */ | |
4117 | /* Routine Description: */ | |
4118 | /* */ | |
4119 | /* Determine if a logical drive is online */ | |
4120 | /* */ | |
4121 | /****************************************************************************/ | |
4122 | static int | |
4123 | ips_online(ips_ha_t * ha, ips_scb_t * scb) | |
4124 | { | |
4125 | METHOD_TRACE("ips_online", 1); | |
4126 | ||
4127 | if (scb->target_id >= IPS_MAX_LD) | |
4128 | return (0); | |
4129 | ||
4130 | if ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1) { | |
4131 | memset(ha->logical_drive_info, 0, sizeof (IPS_LD_INFO)); | |
4132 | return (0); | |
4133 | } | |
4134 | ||
4135 | if (ha->logical_drive_info->drive_info[scb->target_id].state != | |
4136 | IPS_LD_OFFLINE | |
4137 | && ha->logical_drive_info->drive_info[scb->target_id].state != | |
4138 | IPS_LD_FREE | |
4139 | && ha->logical_drive_info->drive_info[scb->target_id].state != | |
4140 | IPS_LD_CRS | |
4141 | && ha->logical_drive_info->drive_info[scb->target_id].state != | |
4142 | IPS_LD_SYS) | |
4143 | return (1); | |
4144 | else | |
4145 | return (0); | |
4146 | } | |
4147 | ||
4148 | /****************************************************************************/ | |
4149 | /* */ | |
4150 | /* Routine Name: ips_inquiry */ | |
4151 | /* */ | |
4152 | /* Routine Description: */ | |
4153 | /* */ | |
4154 | /* Simulate an inquiry command to a logical drive */ | |
4155 | /* */ | |
4156 | /****************************************************************************/ | |
4157 | static int | |
4158 | ips_inquiry(ips_ha_t * ha, ips_scb_t * scb) | |
4159 | { | |
4160 | IPS_SCSI_INQ_DATA inquiry; | |
4161 | ||
4162 | METHOD_TRACE("ips_inquiry", 1); | |
4163 | ||
4164 | memset(&inquiry, 0, sizeof (IPS_SCSI_INQ_DATA)); | |
4165 | ||
4166 | inquiry.DeviceType = IPS_SCSI_INQ_TYPE_DASD; | |
4167 | inquiry.DeviceTypeQualifier = IPS_SCSI_INQ_LU_CONNECTED; | |
4168 | inquiry.Version = IPS_SCSI_INQ_REV2; | |
4169 | inquiry.ResponseDataFormat = IPS_SCSI_INQ_RD_REV2; | |
4170 | inquiry.AdditionalLength = 31; | |
4171 | inquiry.Flags[0] = IPS_SCSI_INQ_Address16; | |
4172 | inquiry.Flags[1] = | |
4173 | IPS_SCSI_INQ_WBus16 | IPS_SCSI_INQ_Sync | IPS_SCSI_INQ_CmdQue; | |
4174 | strncpy(inquiry.VendorId, "IBM ", 8); | |
4175 | strncpy(inquiry.ProductId, "SERVERAID ", 16); | |
4176 | strncpy(inquiry.ProductRevisionLevel, "1.00", 4); | |
4177 | ||
4178 | ips_scmd_buf_write(scb->scsi_cmd, &inquiry, sizeof (inquiry)); | |
4179 | ||
4180 | return (1); | |
4181 | } | |
4182 | ||
4183 | /****************************************************************************/ | |
4184 | /* */ | |
4185 | /* Routine Name: ips_rdcap */ | |
4186 | /* */ | |
4187 | /* Routine Description: */ | |
4188 | /* */ | |
4189 | /* Simulate a read capacity command to a logical drive */ | |
4190 | /* */ | |
4191 | /****************************************************************************/ | |
4192 | static int | |
4193 | ips_rdcap(ips_ha_t * ha, ips_scb_t * scb) | |
4194 | { | |
4195 | IPS_SCSI_CAPACITY cap; | |
4196 | ||
4197 | METHOD_TRACE("ips_rdcap", 1); | |
4198 | ||
2f4cf91c | 4199 | if (scsi_bufflen(scb->scsi_cmd) < 8) |
1da177e4 LT |
4200 | return (0); |
4201 | ||
4202 | cap.lba = | |
4203 | cpu_to_be32(le32_to_cpu | |
4204 | (ha->logical_drive_info-> | |
4205 | drive_info[scb->target_id].sector_count) - 1); | |
4206 | cap.len = cpu_to_be32((uint32_t) IPS_BLKSIZE); | |
4207 | ||
4208 | ips_scmd_buf_write(scb->scsi_cmd, &cap, sizeof (cap)); | |
4209 | ||
4210 | return (1); | |
4211 | } | |
4212 | ||
4213 | /****************************************************************************/ | |
4214 | /* */ | |
4215 | /* Routine Name: ips_msense */ | |
4216 | /* */ | |
4217 | /* Routine Description: */ | |
4218 | /* */ | |
4219 | /* Simulate a mode sense command to a logical drive */ | |
4220 | /* */ | |
4221 | /****************************************************************************/ | |
4222 | static int | |
4223 | ips_msense(ips_ha_t * ha, ips_scb_t * scb) | |
4224 | { | |
4225 | uint16_t heads; | |
4226 | uint16_t sectors; | |
4227 | uint32_t cylinders; | |
4228 | IPS_SCSI_MODE_PAGE_DATA mdata; | |
4229 | ||
4230 | METHOD_TRACE("ips_msense", 1); | |
4231 | ||
4232 | if (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) > 0x400000 && | |
4233 | (ha->enq->ucMiscFlag & 0x8) == 0) { | |
4234 | heads = IPS_NORM_HEADS; | |
4235 | sectors = IPS_NORM_SECTORS; | |
4236 | } else { | |
4237 | heads = IPS_COMP_HEADS; | |
4238 | sectors = IPS_COMP_SECTORS; | |
4239 | } | |
4240 | ||
4241 | cylinders = | |
4242 | (le32_to_cpu(ha->enq->ulDriveSize[scb->target_id]) - | |
4243 | 1) / (heads * sectors); | |
4244 | ||
4245 | memset(&mdata, 0, sizeof (IPS_SCSI_MODE_PAGE_DATA)); | |
4246 | ||
4247 | mdata.hdr.BlockDescLength = 8; | |
4248 | ||
4249 | switch (scb->scsi_cmd->cmnd[2] & 0x3f) { | |
4250 | case 0x03: /* page 3 */ | |
4251 | mdata.pdata.pg3.PageCode = 3; | |
4252 | mdata.pdata.pg3.PageLength = sizeof (IPS_SCSI_MODE_PAGE3); | |
4253 | mdata.hdr.DataLength = | |
4254 | 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg3.PageLength; | |
4255 | mdata.pdata.pg3.TracksPerZone = 0; | |
4256 | mdata.pdata.pg3.AltSectorsPerZone = 0; | |
4257 | mdata.pdata.pg3.AltTracksPerZone = 0; | |
4258 | mdata.pdata.pg3.AltTracksPerVolume = 0; | |
4259 | mdata.pdata.pg3.SectorsPerTrack = cpu_to_be16(sectors); | |
4260 | mdata.pdata.pg3.BytesPerSector = cpu_to_be16(IPS_BLKSIZE); | |
4261 | mdata.pdata.pg3.Interleave = cpu_to_be16(1); | |
4262 | mdata.pdata.pg3.TrackSkew = 0; | |
4263 | mdata.pdata.pg3.CylinderSkew = 0; | |
4264 | mdata.pdata.pg3.flags = IPS_SCSI_MP3_SoftSector; | |
4265 | break; | |
4266 | ||
4267 | case 0x4: | |
4268 | mdata.pdata.pg4.PageCode = 4; | |
4269 | mdata.pdata.pg4.PageLength = sizeof (IPS_SCSI_MODE_PAGE4); | |
4270 | mdata.hdr.DataLength = | |
4271 | 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg4.PageLength; | |
4272 | mdata.pdata.pg4.CylindersHigh = | |
4273 | cpu_to_be16((cylinders >> 8) & 0xFFFF); | |
4274 | mdata.pdata.pg4.CylindersLow = (cylinders & 0xFF); | |
4275 | mdata.pdata.pg4.Heads = heads; | |
4276 | mdata.pdata.pg4.WritePrecompHigh = 0; | |
4277 | mdata.pdata.pg4.WritePrecompLow = 0; | |
4278 | mdata.pdata.pg4.ReducedWriteCurrentHigh = 0; | |
4279 | mdata.pdata.pg4.ReducedWriteCurrentLow = 0; | |
4280 | mdata.pdata.pg4.StepRate = cpu_to_be16(1); | |
4281 | mdata.pdata.pg4.LandingZoneHigh = 0; | |
4282 | mdata.pdata.pg4.LandingZoneLow = 0; | |
4283 | mdata.pdata.pg4.flags = 0; | |
4284 | mdata.pdata.pg4.RotationalOffset = 0; | |
4285 | mdata.pdata.pg4.MediumRotationRate = 0; | |
4286 | break; | |
4287 | case 0x8: | |
4288 | mdata.pdata.pg8.PageCode = 8; | |
4289 | mdata.pdata.pg8.PageLength = sizeof (IPS_SCSI_MODE_PAGE8); | |
4290 | mdata.hdr.DataLength = | |
4291 | 3 + mdata.hdr.BlockDescLength + mdata.pdata.pg8.PageLength; | |
4292 | /* everything else is left set to 0 */ | |
4293 | break; | |
4294 | ||
4295 | default: | |
4296 | return (0); | |
4297 | } /* end switch */ | |
4298 | ||
4299 | ips_scmd_buf_write(scb->scsi_cmd, &mdata, sizeof (mdata)); | |
4300 | ||
4301 | return (1); | |
4302 | } | |
4303 | ||
4304 | /****************************************************************************/ | |
4305 | /* */ | |
4306 | /* Routine Name: ips_reqsen */ | |
4307 | /* */ | |
4308 | /* Routine Description: */ | |
4309 | /* */ | |
4310 | /* Simulate a request sense command to a logical drive */ | |
4311 | /* */ | |
4312 | /****************************************************************************/ | |
4313 | static int | |
4314 | ips_reqsen(ips_ha_t * ha, ips_scb_t * scb) | |
4315 | { | |
4316 | IPS_SCSI_REQSEN reqsen; | |
4317 | ||
4318 | METHOD_TRACE("ips_reqsen", 1); | |
4319 | ||
4320 | memset(&reqsen, 0, sizeof (IPS_SCSI_REQSEN)); | |
4321 | ||
4322 | reqsen.ResponseCode = | |
4323 | IPS_SCSI_REQSEN_VALID | IPS_SCSI_REQSEN_CURRENT_ERR; | |
4324 | reqsen.AdditionalLength = 10; | |
4325 | reqsen.AdditionalSenseCode = IPS_SCSI_REQSEN_NO_SENSE; | |
4326 | reqsen.AdditionalSenseCodeQual = IPS_SCSI_REQSEN_NO_SENSE; | |
4327 | ||
4328 | ips_scmd_buf_write(scb->scsi_cmd, &reqsen, sizeof (reqsen)); | |
4329 | ||
4330 | return (1); | |
4331 | } | |
4332 | ||
4333 | /****************************************************************************/ | |
4334 | /* */ | |
4335 | /* Routine Name: ips_free */ | |
4336 | /* */ | |
4337 | /* Routine Description: */ | |
4338 | /* */ | |
4339 | /* Free any allocated space for this controller */ | |
4340 | /* */ | |
4341 | /****************************************************************************/ | |
4342 | static void | |
4343 | ips_free(ips_ha_t * ha) | |
4344 | { | |
4345 | ||
4346 | METHOD_TRACE("ips_free", 1); | |
4347 | ||
4348 | if (ha) { | |
4349 | if (ha->enq) { | |
4350 | pci_free_consistent(ha->pcidev, sizeof(IPS_ENQ), | |
4351 | ha->enq, ha->enq_busaddr); | |
4352 | ha->enq = NULL; | |
4353 | } | |
4354 | ||
c9475cb0 JJ |
4355 | kfree(ha->conf); |
4356 | ha->conf = NULL; | |
1da177e4 LT |
4357 | |
4358 | if (ha->adapt) { | |
4359 | pci_free_consistent(ha->pcidev, | |
4360 | sizeof (IPS_ADAPTER) + | |
4361 | sizeof (IPS_IO_CMD), ha->adapt, | |
4362 | ha->adapt->hw_status_start); | |
4363 | ha->adapt = NULL; | |
4364 | } | |
4365 | ||
4366 | if (ha->logical_drive_info) { | |
4367 | pci_free_consistent(ha->pcidev, | |
4368 | sizeof (IPS_LD_INFO), | |
4369 | ha->logical_drive_info, | |
4370 | ha->logical_drive_info_dma_addr); | |
4371 | ha->logical_drive_info = NULL; | |
4372 | } | |
4373 | ||
c9475cb0 JJ |
4374 | kfree(ha->nvram); |
4375 | ha->nvram = NULL; | |
1da177e4 | 4376 | |
c9475cb0 JJ |
4377 | kfree(ha->subsys); |
4378 | ha->subsys = NULL; | |
1da177e4 LT |
4379 | |
4380 | if (ha->ioctl_data) { | |
4381 | pci_free_consistent(ha->pcidev, ha->ioctl_len, | |
4382 | ha->ioctl_data, ha->ioctl_busaddr); | |
4383 | ha->ioctl_data = NULL; | |
4384 | ha->ioctl_datasize = 0; | |
4385 | ha->ioctl_len = 0; | |
4386 | } | |
4387 | ips_deallocatescbs(ha, ha->max_cmds); | |
4388 | ||
4389 | /* free memory mapped (if applicable) */ | |
4390 | if (ha->mem_ptr) { | |
4391 | iounmap(ha->ioremap_ptr); | |
4392 | ha->ioremap_ptr = NULL; | |
4393 | ha->mem_ptr = NULL; | |
4394 | } | |
4395 | ||
4396 | if (ha->mem_addr) | |
4397 | release_mem_region(ha->mem_addr, ha->mem_len); | |
4398 | ha->mem_addr = 0; | |
4399 | ||
4400 | } | |
4401 | } | |
4402 | ||
4403 | /****************************************************************************/ | |
4404 | /* */ | |
4405 | /* Routine Name: ips_deallocatescbs */ | |
4406 | /* */ | |
4407 | /* Routine Description: */ | |
4408 | /* */ | |
4409 | /* Free the command blocks */ | |
4410 | /* */ | |
4411 | /****************************************************************************/ | |
4412 | static int | |
4413 | ips_deallocatescbs(ips_ha_t * ha, int cmds) | |
4414 | { | |
4415 | if (ha->scbs) { | |
4416 | pci_free_consistent(ha->pcidev, | |
4417 | IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * cmds, | |
4418 | ha->scbs->sg_list.list, | |
4419 | ha->scbs->sg_busaddr); | |
4420 | pci_free_consistent(ha->pcidev, sizeof (ips_scb_t) * cmds, | |
4421 | ha->scbs, ha->scbs->scb_busaddr); | |
4422 | ha->scbs = NULL; | |
4423 | } /* end if */ | |
4424 | return 1; | |
4425 | } | |
4426 | ||
4427 | /****************************************************************************/ | |
4428 | /* */ | |
4429 | /* Routine Name: ips_allocatescbs */ | |
4430 | /* */ | |
4431 | /* Routine Description: */ | |
4432 | /* */ | |
4433 | /* Allocate the command blocks */ | |
4434 | /* */ | |
4435 | /****************************************************************************/ | |
4436 | static int | |
4437 | ips_allocatescbs(ips_ha_t * ha) | |
4438 | { | |
4439 | ips_scb_t *scb_p; | |
4440 | IPS_SG_LIST ips_sg; | |
4441 | int i; | |
4442 | dma_addr_t command_dma, sg_dma; | |
4443 | ||
4444 | METHOD_TRACE("ips_allocatescbs", 1); | |
4445 | ||
4446 | /* Allocate memory for the SCBs */ | |
4447 | ha->scbs = | |
4448 | pci_alloc_consistent(ha->pcidev, ha->max_cmds * sizeof (ips_scb_t), | |
4449 | &command_dma); | |
4450 | if (ha->scbs == NULL) | |
4451 | return 0; | |
4452 | ips_sg.list = | |
4453 | pci_alloc_consistent(ha->pcidev, | |
4454 | IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * | |
4455 | ha->max_cmds, &sg_dma); | |
4456 | if (ips_sg.list == NULL) { | |
4457 | pci_free_consistent(ha->pcidev, | |
4458 | ha->max_cmds * sizeof (ips_scb_t), ha->scbs, | |
4459 | command_dma); | |
4460 | return 0; | |
4461 | } | |
4462 | ||
4463 | memset(ha->scbs, 0, ha->max_cmds * sizeof (ips_scb_t)); | |
4464 | ||
4465 | for (i = 0; i < ha->max_cmds; i++) { | |
4466 | scb_p = &ha->scbs[i]; | |
4467 | scb_p->scb_busaddr = command_dma + sizeof (ips_scb_t) * i; | |
4468 | /* set up S/G list */ | |
4469 | if (IPS_USE_ENH_SGLIST(ha)) { | |
4470 | scb_p->sg_list.enh_list = | |
4471 | ips_sg.enh_list + i * IPS_MAX_SG; | |
4472 | scb_p->sg_busaddr = | |
4473 | sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i; | |
4474 | } else { | |
4475 | scb_p->sg_list.std_list = | |
4476 | ips_sg.std_list + i * IPS_MAX_SG; | |
4477 | scb_p->sg_busaddr = | |
4478 | sg_dma + IPS_SGLIST_SIZE(ha) * IPS_MAX_SG * i; | |
4479 | } | |
4480 | ||
4481 | /* add to the free list */ | |
4482 | if (i < ha->max_cmds - 1) { | |
4483 | scb_p->q_next = ha->scb_freelist; | |
4484 | ha->scb_freelist = scb_p; | |
4485 | } | |
4486 | } | |
4487 | ||
4488 | /* success */ | |
4489 | return (1); | |
4490 | } | |
4491 | ||
4492 | /****************************************************************************/ | |
4493 | /* */ | |
4494 | /* Routine Name: ips_init_scb */ | |
4495 | /* */ | |
4496 | /* Routine Description: */ | |
4497 | /* */ | |
4498 | /* Initialize a CCB to default values */ | |
4499 | /* */ | |
4500 | /****************************************************************************/ | |
4501 | static void | |
4502 | ips_init_scb(ips_ha_t * ha, ips_scb_t * scb) | |
4503 | { | |
4504 | IPS_SG_LIST sg_list; | |
4505 | uint32_t cmd_busaddr, sg_busaddr; | |
4506 | METHOD_TRACE("ips_init_scb", 1); | |
4507 | ||
4508 | if (scb == NULL) | |
4509 | return; | |
4510 | ||
4511 | sg_list.list = scb->sg_list.list; | |
4512 | cmd_busaddr = scb->scb_busaddr; | |
4513 | sg_busaddr = scb->sg_busaddr; | |
4514 | /* zero fill */ | |
4515 | memset(scb, 0, sizeof (ips_scb_t)); | |
4516 | memset(ha->dummy, 0, sizeof (IPS_IO_CMD)); | |
4517 | ||
4518 | /* Initialize dummy command bucket */ | |
4519 | ha->dummy->op_code = 0xFF; | |
4520 | ha->dummy->ccsar = cpu_to_le32(ha->adapt->hw_status_start | |
4521 | + sizeof (IPS_ADAPTER)); | |
4522 | ha->dummy->command_id = IPS_MAX_CMDS; | |
4523 | ||
4524 | /* set bus address of scb */ | |
4525 | scb->scb_busaddr = cmd_busaddr; | |
4526 | scb->sg_busaddr = sg_busaddr; | |
4527 | scb->sg_list.list = sg_list.list; | |
4528 | ||
4529 | /* Neptune Fix */ | |
4530 | scb->cmd.basic_io.cccr = cpu_to_le32((uint32_t) IPS_BIT_ILE); | |
4531 | scb->cmd.basic_io.ccsar = cpu_to_le32(ha->adapt->hw_status_start | |
4532 | + sizeof (IPS_ADAPTER)); | |
4533 | } | |
4534 | ||
4535 | /****************************************************************************/ | |
4536 | /* */ | |
4537 | /* Routine Name: ips_get_scb */ | |
4538 | /* */ | |
4539 | /* Routine Description: */ | |
4540 | /* */ | |
4541 | /* Initialize a CCB to default values */ | |
4542 | /* */ | |
4543 | /* ASSUMED to be callled from within a lock */ | |
4544 | /* */ | |
4545 | /****************************************************************************/ | |
4546 | static ips_scb_t * | |
4547 | ips_getscb(ips_ha_t * ha) | |
4548 | { | |
4549 | ips_scb_t *scb; | |
4550 | ||
4551 | METHOD_TRACE("ips_getscb", 1); | |
4552 | ||
4553 | if ((scb = ha->scb_freelist) == NULL) { | |
4554 | ||
4555 | return (NULL); | |
4556 | } | |
4557 | ||
4558 | ha->scb_freelist = scb->q_next; | |
4559 | scb->flags = 0; | |
4560 | scb->q_next = NULL; | |
4561 | ||
4562 | ips_init_scb(ha, scb); | |
4563 | ||
4564 | return (scb); | |
4565 | } | |
4566 | ||
4567 | /****************************************************************************/ | |
4568 | /* */ | |
4569 | /* Routine Name: ips_free_scb */ | |
4570 | /* */ | |
4571 | /* Routine Description: */ | |
4572 | /* */ | |
4573 | /* Return an unused CCB back to the free list */ | |
4574 | /* */ | |
4575 | /* ASSUMED to be called from within a lock */ | |
4576 | /* */ | |
4577 | /****************************************************************************/ | |
4578 | static void | |
4579 | ips_freescb(ips_ha_t * ha, ips_scb_t * scb) | |
4580 | { | |
4581 | ||
4582 | METHOD_TRACE("ips_freescb", 1); | |
4583 | if (scb->flags & IPS_SCB_MAP_SG) | |
2f4cf91c | 4584 | scsi_dma_unmap(scb->scsi_cmd); |
1da177e4 LT |
4585 | else if (scb->flags & IPS_SCB_MAP_SINGLE) |
4586 | pci_unmap_single(ha->pcidev, scb->data_busaddr, scb->data_len, | |
4587 | IPS_DMA_DIR(scb)); | |
4588 | ||
4589 | /* check to make sure this is not our "special" scb */ | |
4590 | if (IPS_COMMAND_ID(ha, scb) < (ha->max_cmds - 1)) { | |
4591 | scb->q_next = ha->scb_freelist; | |
4592 | ha->scb_freelist = scb; | |
4593 | } | |
4594 | } | |
4595 | ||
4596 | /****************************************************************************/ | |
4597 | /* */ | |
4598 | /* Routine Name: ips_isinit_copperhead */ | |
4599 | /* */ | |
4600 | /* Routine Description: */ | |
4601 | /* */ | |
4602 | /* Is controller initialized ? */ | |
4603 | /* */ | |
4604 | /****************************************************************************/ | |
4605 | static int | |
4606 | ips_isinit_copperhead(ips_ha_t * ha) | |
4607 | { | |
4608 | uint8_t scpr; | |
4609 | uint8_t isr; | |
4610 | ||
4611 | METHOD_TRACE("ips_isinit_copperhead", 1); | |
4612 | ||
4613 | isr = inb(ha->io_addr + IPS_REG_HISR); | |
4614 | scpr = inb(ha->io_addr + IPS_REG_SCPR); | |
4615 | ||
4616 | if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0)) | |
4617 | return (0); | |
4618 | else | |
4619 | return (1); | |
4620 | } | |
4621 | ||
4622 | /****************************************************************************/ | |
4623 | /* */ | |
4624 | /* Routine Name: ips_isinit_copperhead_memio */ | |
4625 | /* */ | |
4626 | /* Routine Description: */ | |
4627 | /* */ | |
4628 | /* Is controller initialized ? */ | |
4629 | /* */ | |
4630 | /****************************************************************************/ | |
4631 | static int | |
4632 | ips_isinit_copperhead_memio(ips_ha_t * ha) | |
4633 | { | |
4634 | uint8_t isr = 0; | |
4635 | uint8_t scpr; | |
4636 | ||
4637 | METHOD_TRACE("ips_is_init_copperhead_memio", 1); | |
4638 | ||
4639 | isr = readb(ha->mem_ptr + IPS_REG_HISR); | |
4640 | scpr = readb(ha->mem_ptr + IPS_REG_SCPR); | |
4641 | ||
4642 | if (((isr & IPS_BIT_EI) == 0) && ((scpr & IPS_BIT_EBM) == 0)) | |
4643 | return (0); | |
4644 | else | |
4645 | return (1); | |
4646 | } | |
4647 | ||
4648 | /****************************************************************************/ | |
4649 | /* */ | |
4650 | /* Routine Name: ips_isinit_morpheus */ | |
4651 | /* */ | |
4652 | /* Routine Description: */ | |
4653 | /* */ | |
4654 | /* Is controller initialized ? */ | |
4655 | /* */ | |
4656 | /****************************************************************************/ | |
4657 | static int | |
4658 | ips_isinit_morpheus(ips_ha_t * ha) | |
4659 | { | |
4660 | uint32_t post; | |
4661 | uint32_t bits; | |
4662 | ||
4663 | METHOD_TRACE("ips_is_init_morpheus", 1); | |
ee807c2d JH |
4664 | |
4665 | if (ips_isintr_morpheus(ha)) | |
4666 | ips_flush_and_reset(ha); | |
1da177e4 LT |
4667 | |
4668 | post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); | |
4669 | bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR); | |
4670 | ||
4671 | if (post == 0) | |
4672 | return (0); | |
4673 | else if (bits & 0x3) | |
4674 | return (0); | |
4675 | else | |
4676 | return (1); | |
4677 | } | |
4678 | ||
ee807c2d JH |
4679 | /****************************************************************************/ |
4680 | /* */ | |
4681 | /* Routine Name: ips_flush_and_reset */ | |
4682 | /* */ | |
4683 | /* Routine Description: */ | |
4684 | /* */ | |
4685 | /* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */ | |
4686 | /* state ( was trying to INIT and an interrupt was already pending ) ... */ | |
4687 | /* */ | |
4688 | /****************************************************************************/ | |
4689 | static void | |
4690 | ips_flush_and_reset(ips_ha_t *ha) | |
4691 | { | |
4692 | ips_scb_t *scb; | |
4693 | int ret; | |
4694 | int time; | |
4695 | int done; | |
4696 | dma_addr_t command_dma; | |
4697 | ||
4698 | /* Create a usuable SCB */ | |
4699 | scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma); | |
4700 | if (scb) { | |
4701 | memset(scb, 0, sizeof(ips_scb_t)); | |
4702 | ips_init_scb(ha, scb); | |
4703 | scb->scb_busaddr = command_dma; | |
4704 | ||
4705 | scb->timeout = ips_cmd_timeout; | |
4706 | scb->cdb[0] = IPS_CMD_FLUSH; | |
4707 | ||
4708 | scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; | |
4709 | scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */ | |
4710 | scb->cmd.flush_cache.state = IPS_NORM_STATE; | |
4711 | scb->cmd.flush_cache.reserved = 0; | |
4712 | scb->cmd.flush_cache.reserved2 = 0; | |
4713 | scb->cmd.flush_cache.reserved3 = 0; | |
4714 | scb->cmd.flush_cache.reserved4 = 0; | |
4715 | ||
4716 | ret = ips_send_cmd(ha, scb); /* Send the Flush Command */ | |
4717 | ||
4718 | if (ret == IPS_SUCCESS) { | |
4719 | time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */ | |
4720 | done = 0; | |
4721 | ||
4722 | while ((time > 0) && (!done)) { | |
4723 | done = ips_poll_for_flush_complete(ha); | |
4724 | /* This may look evil, but it's only done during extremely rare start-up conditions ! */ | |
4725 | udelay(1000); | |
4726 | time--; | |
4727 | } | |
4728 | } | |
4729 | } | |
4730 | ||
4731 | /* Now RESET and INIT the adapter */ | |
4732 | (*ha->func.reset) (ha); | |
4733 | ||
4734 | pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma); | |
4735 | return; | |
4736 | } | |
4737 | ||
4738 | /****************************************************************************/ | |
4739 | /* */ | |
4740 | /* Routine Name: ips_poll_for_flush_complete */ | |
4741 | /* */ | |
4742 | /* Routine Description: */ | |
4743 | /* */ | |
4744 | /* Poll for the Flush Command issued by ips_flush_and_reset() to complete */ | |
4745 | /* All other responses are just taken off the queue and ignored */ | |
4746 | /* */ | |
4747 | /****************************************************************************/ | |
4748 | static int | |
4749 | ips_poll_for_flush_complete(ips_ha_t * ha) | |
4750 | { | |
4751 | IPS_STATUS cstatus; | |
4752 | ||
4753 | while (TRUE) { | |
4754 | cstatus.value = (*ha->func.statupd) (ha); | |
4755 | ||
4756 | if (cstatus.value == 0xffffffff) /* If No Interrupt to process */ | |
4757 | break; | |
4758 | ||
4759 | /* Success is when we see the Flush Command ID */ | |
4760 | if (cstatus.fields.command_id == IPS_MAX_CMDS ) | |
4761 | return 1; | |
4762 | } | |
4763 | ||
4764 | return 0; | |
0ee957cb | 4765 | } |
ee807c2d | 4766 | |
1da177e4 LT |
4767 | /****************************************************************************/ |
4768 | /* */ | |
4769 | /* Routine Name: ips_enable_int_copperhead */ | |
4770 | /* */ | |
4771 | /* Routine Description: */ | |
4772 | /* Turn on interrupts */ | |
4773 | /* */ | |
4774 | /****************************************************************************/ | |
4775 | static void | |
4776 | ips_enable_int_copperhead(ips_ha_t * ha) | |
4777 | { | |
4778 | METHOD_TRACE("ips_enable_int_copperhead", 1); | |
4779 | ||
4780 | outb(ha->io_addr + IPS_REG_HISR, IPS_BIT_EI); | |
4781 | inb(ha->io_addr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/ | |
4782 | } | |
4783 | ||
4784 | /****************************************************************************/ | |
4785 | /* */ | |
4786 | /* Routine Name: ips_enable_int_copperhead_memio */ | |
4787 | /* */ | |
4788 | /* Routine Description: */ | |
4789 | /* Turn on interrupts */ | |
4790 | /* */ | |
4791 | /****************************************************************************/ | |
4792 | static void | |
4793 | ips_enable_int_copperhead_memio(ips_ha_t * ha) | |
4794 | { | |
4795 | METHOD_TRACE("ips_enable_int_copperhead_memio", 1); | |
4796 | ||
4797 | writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR); | |
4798 | readb(ha->mem_ptr + IPS_REG_HISR); /*Ensure PCI Posting Completes*/ | |
4799 | } | |
4800 | ||
4801 | /****************************************************************************/ | |
4802 | /* */ | |
4803 | /* Routine Name: ips_enable_int_morpheus */ | |
4804 | /* */ | |
4805 | /* Routine Description: */ | |
4806 | /* Turn on interrupts */ | |
4807 | /* */ | |
4808 | /****************************************************************************/ | |
4809 | static void | |
4810 | ips_enable_int_morpheus(ips_ha_t * ha) | |
4811 | { | |
4812 | uint32_t Oimr; | |
4813 | ||
4814 | METHOD_TRACE("ips_enable_int_morpheus", 1); | |
4815 | ||
4816 | Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR); | |
4817 | Oimr &= ~0x08; | |
4818 | writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR); | |
4819 | readl(ha->mem_ptr + IPS_REG_I960_OIMR); /*Ensure PCI Posting Completes*/ | |
4820 | } | |
4821 | ||
4822 | /****************************************************************************/ | |
4823 | /* */ | |
4824 | /* Routine Name: ips_init_copperhead */ | |
4825 | /* */ | |
4826 | /* Routine Description: */ | |
4827 | /* */ | |
4828 | /* Initialize a copperhead controller */ | |
4829 | /* */ | |
4830 | /****************************************************************************/ | |
4831 | static int | |
4832 | ips_init_copperhead(ips_ha_t * ha) | |
4833 | { | |
4834 | uint8_t Isr; | |
4835 | uint8_t Cbsp; | |
4836 | uint8_t PostByte[IPS_MAX_POST_BYTES]; | |
4837 | uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES]; | |
4838 | int i, j; | |
4839 | ||
4840 | METHOD_TRACE("ips_init_copperhead", 1); | |
4841 | ||
4842 | for (i = 0; i < IPS_MAX_POST_BYTES; i++) { | |
4843 | for (j = 0; j < 45; j++) { | |
4844 | Isr = inb(ha->io_addr + IPS_REG_HISR); | |
4845 | if (Isr & IPS_BIT_GHI) | |
4846 | break; | |
4847 | ||
4848 | /* Delay for 1 Second */ | |
bf471341 | 4849 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
4850 | } |
4851 | ||
4852 | if (j >= 45) | |
4853 | /* error occurred */ | |
4854 | return (0); | |
4855 | ||
4856 | PostByte[i] = inb(ha->io_addr + IPS_REG_ISPR); | |
4857 | outb(Isr, ha->io_addr + IPS_REG_HISR); | |
4858 | } | |
4859 | ||
4860 | if (PostByte[0] < IPS_GOOD_POST_STATUS) { | |
4861 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
4862 | "reset controller fails (post status %x %x).\n", | |
4863 | PostByte[0], PostByte[1]); | |
4864 | ||
4865 | return (0); | |
4866 | } | |
4867 | ||
4868 | for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) { | |
4869 | for (j = 0; j < 240; j++) { | |
4870 | Isr = inb(ha->io_addr + IPS_REG_HISR); | |
4871 | if (Isr & IPS_BIT_GHI) | |
4872 | break; | |
4873 | ||
4874 | /* Delay for 1 Second */ | |
bf471341 | 4875 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
4876 | } |
4877 | ||
4878 | if (j >= 240) | |
4879 | /* error occurred */ | |
4880 | return (0); | |
4881 | ||
4882 | ConfigByte[i] = inb(ha->io_addr + IPS_REG_ISPR); | |
4883 | outb(Isr, ha->io_addr + IPS_REG_HISR); | |
4884 | } | |
4885 | ||
4886 | for (i = 0; i < 240; i++) { | |
4887 | Cbsp = inb(ha->io_addr + IPS_REG_CBSP); | |
4888 | ||
4889 | if ((Cbsp & IPS_BIT_OP) == 0) | |
4890 | break; | |
4891 | ||
4892 | /* Delay for 1 Second */ | |
bf471341 | 4893 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
4894 | } |
4895 | ||
4896 | if (i >= 240) | |
4897 | /* reset failed */ | |
4898 | return (0); | |
4899 | ||
4900 | /* setup CCCR */ | |
4901 | outl(cpu_to_le32(0x1010), ha->io_addr + IPS_REG_CCCR); | |
4902 | ||
4903 | /* Enable busmastering */ | |
4904 | outb(IPS_BIT_EBM, ha->io_addr + IPS_REG_SCPR); | |
4905 | ||
4906 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
4907 | /* fix for anaconda64 */ | |
4908 | outl(0, ha->io_addr + IPS_REG_NDAE); | |
4909 | ||
4910 | /* Enable interrupts */ | |
4911 | outb(IPS_BIT_EI, ha->io_addr + IPS_REG_HISR); | |
4912 | ||
4913 | return (1); | |
4914 | } | |
4915 | ||
4916 | /****************************************************************************/ | |
4917 | /* */ | |
4918 | /* Routine Name: ips_init_copperhead_memio */ | |
4919 | /* */ | |
4920 | /* Routine Description: */ | |
4921 | /* */ | |
4922 | /* Initialize a copperhead controller with memory mapped I/O */ | |
4923 | /* */ | |
4924 | /****************************************************************************/ | |
4925 | static int | |
4926 | ips_init_copperhead_memio(ips_ha_t * ha) | |
4927 | { | |
4928 | uint8_t Isr = 0; | |
4929 | uint8_t Cbsp; | |
4930 | uint8_t PostByte[IPS_MAX_POST_BYTES]; | |
4931 | uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES]; | |
4932 | int i, j; | |
4933 | ||
4934 | METHOD_TRACE("ips_init_copperhead_memio", 1); | |
4935 | ||
4936 | for (i = 0; i < IPS_MAX_POST_BYTES; i++) { | |
4937 | for (j = 0; j < 45; j++) { | |
4938 | Isr = readb(ha->mem_ptr + IPS_REG_HISR); | |
4939 | if (Isr & IPS_BIT_GHI) | |
4940 | break; | |
4941 | ||
4942 | /* Delay for 1 Second */ | |
bf471341 | 4943 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
4944 | } |
4945 | ||
4946 | if (j >= 45) | |
4947 | /* error occurred */ | |
4948 | return (0); | |
4949 | ||
4950 | PostByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR); | |
4951 | writeb(Isr, ha->mem_ptr + IPS_REG_HISR); | |
4952 | } | |
4953 | ||
4954 | if (PostByte[0] < IPS_GOOD_POST_STATUS) { | |
4955 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
4956 | "reset controller fails (post status %x %x).\n", | |
4957 | PostByte[0], PostByte[1]); | |
4958 | ||
4959 | return (0); | |
4960 | } | |
4961 | ||
4962 | for (i = 0; i < IPS_MAX_CONFIG_BYTES; i++) { | |
4963 | for (j = 0; j < 240; j++) { | |
4964 | Isr = readb(ha->mem_ptr + IPS_REG_HISR); | |
4965 | if (Isr & IPS_BIT_GHI) | |
4966 | break; | |
4967 | ||
4968 | /* Delay for 1 Second */ | |
bf471341 | 4969 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
4970 | } |
4971 | ||
4972 | if (j >= 240) | |
4973 | /* error occurred */ | |
4974 | return (0); | |
4975 | ||
4976 | ConfigByte[i] = readb(ha->mem_ptr + IPS_REG_ISPR); | |
4977 | writeb(Isr, ha->mem_ptr + IPS_REG_HISR); | |
4978 | } | |
4979 | ||
4980 | for (i = 0; i < 240; i++) { | |
4981 | Cbsp = readb(ha->mem_ptr + IPS_REG_CBSP); | |
4982 | ||
4983 | if ((Cbsp & IPS_BIT_OP) == 0) | |
4984 | break; | |
4985 | ||
4986 | /* Delay for 1 Second */ | |
bf471341 | 4987 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
4988 | } |
4989 | ||
4990 | if (i >= 240) | |
4991 | /* error occurred */ | |
4992 | return (0); | |
4993 | ||
4994 | /* setup CCCR */ | |
4995 | writel(0x1010, ha->mem_ptr + IPS_REG_CCCR); | |
4996 | ||
4997 | /* Enable busmastering */ | |
4998 | writeb(IPS_BIT_EBM, ha->mem_ptr + IPS_REG_SCPR); | |
4999 | ||
5000 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
5001 | /* fix for anaconda64 */ | |
5002 | writel(0, ha->mem_ptr + IPS_REG_NDAE); | |
5003 | ||
5004 | /* Enable interrupts */ | |
5005 | writeb(IPS_BIT_EI, ha->mem_ptr + IPS_REG_HISR); | |
5006 | ||
5007 | /* if we get here then everything went OK */ | |
5008 | return (1); | |
5009 | } | |
5010 | ||
5011 | /****************************************************************************/ | |
5012 | /* */ | |
5013 | /* Routine Name: ips_init_morpheus */ | |
5014 | /* */ | |
5015 | /* Routine Description: */ | |
5016 | /* */ | |
5017 | /* Initialize a morpheus controller */ | |
5018 | /* */ | |
5019 | /****************************************************************************/ | |
5020 | static int | |
5021 | ips_init_morpheus(ips_ha_t * ha) | |
5022 | { | |
5023 | uint32_t Post; | |
5024 | uint32_t Config; | |
5025 | uint32_t Isr; | |
5026 | uint32_t Oimr; | |
5027 | int i; | |
5028 | ||
5029 | METHOD_TRACE("ips_init_morpheus", 1); | |
5030 | ||
5031 | /* Wait up to 45 secs for Post */ | |
5032 | for (i = 0; i < 45; i++) { | |
5033 | Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); | |
5034 | ||
5035 | if (Isr & IPS_BIT_I960_MSG0I) | |
5036 | break; | |
5037 | ||
5038 | /* Delay for 1 Second */ | |
bf471341 | 5039 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
5040 | } |
5041 | ||
5042 | if (i >= 45) { | |
5043 | /* error occurred */ | |
5044 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5045 | "timeout waiting for post.\n"); | |
5046 | ||
5047 | return (0); | |
5048 | } | |
5049 | ||
5050 | Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); | |
5051 | ||
5052 | if (Post == 0x4F00) { /* If Flashing the Battery PIC */ | |
5053 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5054 | "Flashing Battery PIC, Please wait ...\n"); | |
5055 | ||
5056 | /* Clear the interrupt bit */ | |
5057 | Isr = (uint32_t) IPS_BIT_I960_MSG0I; | |
5058 | writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR); | |
5059 | ||
5060 | for (i = 0; i < 120; i++) { /* Wait Up to 2 Min. for Completion */ | |
5061 | Post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); | |
5062 | if (Post != 0x4F00) | |
5063 | break; | |
5064 | /* Delay for 1 Second */ | |
bf471341 | 5065 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
5066 | } |
5067 | ||
5068 | if (i >= 120) { | |
5069 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5070 | "timeout waiting for Battery PIC Flash\n"); | |
5071 | return (0); | |
5072 | } | |
5073 | ||
5074 | } | |
5075 | ||
5076 | /* Clear the interrupt bit */ | |
5077 | Isr = (uint32_t) IPS_BIT_I960_MSG0I; | |
5078 | writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR); | |
5079 | ||
5080 | if (Post < (IPS_GOOD_POST_STATUS << 8)) { | |
5081 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5082 | "reset controller fails (post status %x).\n", Post); | |
5083 | ||
5084 | return (0); | |
5085 | } | |
5086 | ||
5087 | /* Wait up to 240 secs for config bytes */ | |
5088 | for (i = 0; i < 240; i++) { | |
5089 | Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); | |
5090 | ||
5091 | if (Isr & IPS_BIT_I960_MSG1I) | |
5092 | break; | |
5093 | ||
5094 | /* Delay for 1 Second */ | |
bf471341 | 5095 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
5096 | } |
5097 | ||
5098 | if (i >= 240) { | |
5099 | /* error occurred */ | |
5100 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5101 | "timeout waiting for config.\n"); | |
5102 | ||
5103 | return (0); | |
5104 | } | |
5105 | ||
5106 | Config = readl(ha->mem_ptr + IPS_REG_I960_MSG1); | |
5107 | ||
5108 | /* Clear interrupt bit */ | |
5109 | Isr = (uint32_t) IPS_BIT_I960_MSG1I; | |
5110 | writel(Isr, ha->mem_ptr + IPS_REG_I2O_HIR); | |
5111 | ||
5112 | /* Turn on the interrupts */ | |
5113 | Oimr = readl(ha->mem_ptr + IPS_REG_I960_OIMR); | |
5114 | Oimr &= ~0x8; | |
5115 | writel(Oimr, ha->mem_ptr + IPS_REG_I960_OIMR); | |
5116 | ||
5117 | /* if we get here then everything went OK */ | |
5118 | ||
5119 | /* Since we did a RESET, an EraseStripeLock may be needed */ | |
5120 | if (Post == 0xEF10) { | |
5121 | if ((Config == 0x000F) || (Config == 0x0009)) | |
5122 | ha->requires_esl = 1; | |
5123 | } | |
5124 | ||
5125 | return (1); | |
5126 | } | |
5127 | ||
5128 | /****************************************************************************/ | |
5129 | /* */ | |
5130 | /* Routine Name: ips_reset_copperhead */ | |
5131 | /* */ | |
5132 | /* Routine Description: */ | |
5133 | /* */ | |
5134 | /* Reset the controller */ | |
5135 | /* */ | |
5136 | /****************************************************************************/ | |
5137 | static int | |
5138 | ips_reset_copperhead(ips_ha_t * ha) | |
5139 | { | |
5140 | int reset_counter; | |
5141 | ||
5142 | METHOD_TRACE("ips_reset_copperhead", 1); | |
5143 | ||
5144 | DEBUG_VAR(1, "(%s%d) ips_reset_copperhead: io addr: %x, irq: %d", | |
5145 | ips_name, ha->host_num, ha->io_addr, ha->irq); | |
5146 | ||
5147 | reset_counter = 0; | |
5148 | ||
5149 | while (reset_counter < 2) { | |
5150 | reset_counter++; | |
5151 | ||
5152 | outb(IPS_BIT_RST, ha->io_addr + IPS_REG_SCPR); | |
5153 | ||
5154 | /* Delay for 1 Second */ | |
bf471341 | 5155 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
5156 | |
5157 | outb(0, ha->io_addr + IPS_REG_SCPR); | |
5158 | ||
5159 | /* Delay for 1 Second */ | |
bf471341 | 5160 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
5161 | |
5162 | if ((*ha->func.init) (ha)) | |
5163 | break; | |
5164 | else if (reset_counter >= 2) { | |
5165 | ||
5166 | return (0); | |
5167 | } | |
5168 | } | |
5169 | ||
5170 | return (1); | |
5171 | } | |
5172 | ||
5173 | /****************************************************************************/ | |
5174 | /* */ | |
5175 | /* Routine Name: ips_reset_copperhead_memio */ | |
5176 | /* */ | |
5177 | /* Routine Description: */ | |
5178 | /* */ | |
5179 | /* Reset the controller */ | |
5180 | /* */ | |
5181 | /****************************************************************************/ | |
5182 | static int | |
5183 | ips_reset_copperhead_memio(ips_ha_t * ha) | |
5184 | { | |
5185 | int reset_counter; | |
5186 | ||
5187 | METHOD_TRACE("ips_reset_copperhead_memio", 1); | |
5188 | ||
5189 | DEBUG_VAR(1, "(%s%d) ips_reset_copperhead_memio: mem addr: %x, irq: %d", | |
5190 | ips_name, ha->host_num, ha->mem_addr, ha->irq); | |
5191 | ||
5192 | reset_counter = 0; | |
5193 | ||
5194 | while (reset_counter < 2) { | |
5195 | reset_counter++; | |
5196 | ||
5197 | writeb(IPS_BIT_RST, ha->mem_ptr + IPS_REG_SCPR); | |
5198 | ||
5199 | /* Delay for 1 Second */ | |
bf471341 | 5200 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
5201 | |
5202 | writeb(0, ha->mem_ptr + IPS_REG_SCPR); | |
5203 | ||
5204 | /* Delay for 1 Second */ | |
bf471341 | 5205 | MDELAY(IPS_ONE_SEC); |
1da177e4 LT |
5206 | |
5207 | if ((*ha->func.init) (ha)) | |
5208 | break; | |
5209 | else if (reset_counter >= 2) { | |
5210 | ||
5211 | return (0); | |
5212 | } | |
5213 | } | |
5214 | ||
5215 | return (1); | |
5216 | } | |
5217 | ||
5218 | /****************************************************************************/ | |
5219 | /* */ | |
5220 | /* Routine Name: ips_reset_morpheus */ | |
5221 | /* */ | |
5222 | /* Routine Description: */ | |
5223 | /* */ | |
5224 | /* Reset the controller */ | |
5225 | /* */ | |
5226 | /****************************************************************************/ | |
5227 | static int | |
5228 | ips_reset_morpheus(ips_ha_t * ha) | |
5229 | { | |
5230 | int reset_counter; | |
5231 | uint8_t junk; | |
5232 | ||
5233 | METHOD_TRACE("ips_reset_morpheus", 1); | |
5234 | ||
5235 | DEBUG_VAR(1, "(%s%d) ips_reset_morpheus: mem addr: %x, irq: %d", | |
5236 | ips_name, ha->host_num, ha->mem_addr, ha->irq); | |
5237 | ||
5238 | reset_counter = 0; | |
5239 | ||
5240 | while (reset_counter < 2) { | |
5241 | reset_counter++; | |
5242 | ||
5243 | writel(0x80000000, ha->mem_ptr + IPS_REG_I960_IDR); | |
5244 | ||
5245 | /* Delay for 5 Seconds */ | |
bf471341 | 5246 | MDELAY(5 * IPS_ONE_SEC); |
1da177e4 LT |
5247 | |
5248 | /* Do a PCI config read to wait for adapter */ | |
5249 | pci_read_config_byte(ha->pcidev, 4, &junk); | |
5250 | ||
5251 | if ((*ha->func.init) (ha)) | |
5252 | break; | |
5253 | else if (reset_counter >= 2) { | |
5254 | ||
5255 | return (0); | |
5256 | } | |
5257 | } | |
5258 | ||
5259 | return (1); | |
5260 | } | |
5261 | ||
5262 | /****************************************************************************/ | |
5263 | /* */ | |
5264 | /* Routine Name: ips_statinit */ | |
5265 | /* */ | |
5266 | /* Routine Description: */ | |
5267 | /* */ | |
5268 | /* Initialize the status queues on the controller */ | |
5269 | /* */ | |
5270 | /****************************************************************************/ | |
5271 | static void | |
5272 | ips_statinit(ips_ha_t * ha) | |
5273 | { | |
5274 | uint32_t phys_status_start; | |
5275 | ||
5276 | METHOD_TRACE("ips_statinit", 1); | |
5277 | ||
5278 | ha->adapt->p_status_start = ha->adapt->status; | |
5279 | ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS; | |
5280 | ha->adapt->p_status_tail = ha->adapt->status; | |
5281 | ||
5282 | phys_status_start = ha->adapt->hw_status_start; | |
5283 | outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQSR); | |
5284 | outl(cpu_to_le32(phys_status_start + IPS_STATUS_Q_SIZE), | |
5285 | ha->io_addr + IPS_REG_SQER); | |
5286 | outl(cpu_to_le32(phys_status_start + IPS_STATUS_SIZE), | |
5287 | ha->io_addr + IPS_REG_SQHR); | |
5288 | outl(cpu_to_le32(phys_status_start), ha->io_addr + IPS_REG_SQTR); | |
5289 | ||
5290 | ha->adapt->hw_status_tail = phys_status_start; | |
5291 | } | |
5292 | ||
5293 | /****************************************************************************/ | |
5294 | /* */ | |
5295 | /* Routine Name: ips_statinit_memio */ | |
5296 | /* */ | |
5297 | /* Routine Description: */ | |
5298 | /* */ | |
5299 | /* Initialize the status queues on the controller */ | |
5300 | /* */ | |
5301 | /****************************************************************************/ | |
5302 | static void | |
5303 | ips_statinit_memio(ips_ha_t * ha) | |
5304 | { | |
5305 | uint32_t phys_status_start; | |
5306 | ||
5307 | METHOD_TRACE("ips_statinit_memio", 1); | |
5308 | ||
5309 | ha->adapt->p_status_start = ha->adapt->status; | |
5310 | ha->adapt->p_status_end = ha->adapt->status + IPS_MAX_CMDS; | |
5311 | ha->adapt->p_status_tail = ha->adapt->status; | |
5312 | ||
5313 | phys_status_start = ha->adapt->hw_status_start; | |
5314 | writel(phys_status_start, ha->mem_ptr + IPS_REG_SQSR); | |
5315 | writel(phys_status_start + IPS_STATUS_Q_SIZE, | |
5316 | ha->mem_ptr + IPS_REG_SQER); | |
5317 | writel(phys_status_start + IPS_STATUS_SIZE, ha->mem_ptr + IPS_REG_SQHR); | |
5318 | writel(phys_status_start, ha->mem_ptr + IPS_REG_SQTR); | |
5319 | ||
5320 | ha->adapt->hw_status_tail = phys_status_start; | |
5321 | } | |
5322 | ||
5323 | /****************************************************************************/ | |
5324 | /* */ | |
5325 | /* Routine Name: ips_statupd_copperhead */ | |
5326 | /* */ | |
5327 | /* Routine Description: */ | |
5328 | /* */ | |
5329 | /* Remove an element from the status queue */ | |
5330 | /* */ | |
5331 | /****************************************************************************/ | |
5332 | static uint32_t | |
5333 | ips_statupd_copperhead(ips_ha_t * ha) | |
5334 | { | |
5335 | METHOD_TRACE("ips_statupd_copperhead", 1); | |
5336 | ||
5337 | if (ha->adapt->p_status_tail != ha->adapt->p_status_end) { | |
5338 | ha->adapt->p_status_tail++; | |
5339 | ha->adapt->hw_status_tail += sizeof (IPS_STATUS); | |
5340 | } else { | |
5341 | ha->adapt->p_status_tail = ha->adapt->p_status_start; | |
5342 | ha->adapt->hw_status_tail = ha->adapt->hw_status_start; | |
5343 | } | |
5344 | ||
5345 | outl(cpu_to_le32(ha->adapt->hw_status_tail), | |
5346 | ha->io_addr + IPS_REG_SQTR); | |
5347 | ||
5348 | return (ha->adapt->p_status_tail->value); | |
5349 | } | |
5350 | ||
5351 | /****************************************************************************/ | |
5352 | /* */ | |
5353 | /* Routine Name: ips_statupd_copperhead_memio */ | |
5354 | /* */ | |
5355 | /* Routine Description: */ | |
5356 | /* */ | |
5357 | /* Remove an element from the status queue */ | |
5358 | /* */ | |
5359 | /****************************************************************************/ | |
5360 | static uint32_t | |
5361 | ips_statupd_copperhead_memio(ips_ha_t * ha) | |
5362 | { | |
5363 | METHOD_TRACE("ips_statupd_copperhead_memio", 1); | |
5364 | ||
5365 | if (ha->adapt->p_status_tail != ha->adapt->p_status_end) { | |
5366 | ha->adapt->p_status_tail++; | |
5367 | ha->adapt->hw_status_tail += sizeof (IPS_STATUS); | |
5368 | } else { | |
5369 | ha->adapt->p_status_tail = ha->adapt->p_status_start; | |
5370 | ha->adapt->hw_status_tail = ha->adapt->hw_status_start; | |
5371 | } | |
5372 | ||
5373 | writel(ha->adapt->hw_status_tail, ha->mem_ptr + IPS_REG_SQTR); | |
5374 | ||
5375 | return (ha->adapt->p_status_tail->value); | |
5376 | } | |
5377 | ||
5378 | /****************************************************************************/ | |
5379 | /* */ | |
5380 | /* Routine Name: ips_statupd_morpheus */ | |
5381 | /* */ | |
5382 | /* Routine Description: */ | |
5383 | /* */ | |
5384 | /* Remove an element from the status queue */ | |
5385 | /* */ | |
5386 | /****************************************************************************/ | |
5387 | static uint32_t | |
5388 | ips_statupd_morpheus(ips_ha_t * ha) | |
5389 | { | |
5390 | uint32_t val; | |
5391 | ||
5392 | METHOD_TRACE("ips_statupd_morpheus", 1); | |
5393 | ||
5394 | val = readl(ha->mem_ptr + IPS_REG_I2O_OUTMSGQ); | |
5395 | ||
5396 | return (val); | |
5397 | } | |
5398 | ||
5399 | /****************************************************************************/ | |
5400 | /* */ | |
5401 | /* Routine Name: ips_issue_copperhead */ | |
5402 | /* */ | |
5403 | /* Routine Description: */ | |
5404 | /* */ | |
5405 | /* Send a command down to the controller */ | |
5406 | /* */ | |
5407 | /****************************************************************************/ | |
5408 | static int | |
5409 | ips_issue_copperhead(ips_ha_t * ha, ips_scb_t * scb) | |
5410 | { | |
5411 | uint32_t TimeOut; | |
5412 | uint32_t val; | |
5413 | ||
5414 | METHOD_TRACE("ips_issue_copperhead", 1); | |
5415 | ||
5416 | if (scb->scsi_cmd) { | |
5417 | DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", | |
5418 | ips_name, | |
5419 | ha->host_num, | |
5420 | scb->cdb[0], | |
5421 | scb->cmd.basic_io.command_id, | |
5422 | scb->bus, scb->target_id, scb->lun); | |
5423 | } else { | |
5424 | DEBUG_VAR(2, KERN_NOTICE "(%s%d) ips_issue: logical cmd id %d", | |
5425 | ips_name, ha->host_num, scb->cmd.basic_io.command_id); | |
5426 | } | |
5427 | ||
5428 | TimeOut = 0; | |
5429 | ||
5430 | while ((val = | |
5431 | le32_to_cpu(inl(ha->io_addr + IPS_REG_CCCR))) & IPS_BIT_SEM) { | |
5432 | udelay(1000); | |
5433 | ||
5434 | if (++TimeOut >= IPS_SEM_TIMEOUT) { | |
5435 | if (!(val & IPS_BIT_START_STOP)) | |
5436 | break; | |
5437 | ||
5438 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5439 | "ips_issue val [0x%x].\n", val); | |
5440 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5441 | "ips_issue semaphore chk timeout.\n"); | |
5442 | ||
5443 | return (IPS_FAILURE); | |
5444 | } /* end if */ | |
5445 | } /* end while */ | |
5446 | ||
5447 | outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_CCSAR); | |
5448 | outw(cpu_to_le32(IPS_BIT_START_CMD), ha->io_addr + IPS_REG_CCCR); | |
5449 | ||
5450 | return (IPS_SUCCESS); | |
5451 | } | |
5452 | ||
5453 | /****************************************************************************/ | |
5454 | /* */ | |
5455 | /* Routine Name: ips_issue_copperhead_memio */ | |
5456 | /* */ | |
5457 | /* Routine Description: */ | |
5458 | /* */ | |
5459 | /* Send a command down to the controller */ | |
5460 | /* */ | |
5461 | /****************************************************************************/ | |
5462 | static int | |
5463 | ips_issue_copperhead_memio(ips_ha_t * ha, ips_scb_t * scb) | |
5464 | { | |
5465 | uint32_t TimeOut; | |
5466 | uint32_t val; | |
5467 | ||
5468 | METHOD_TRACE("ips_issue_copperhead_memio", 1); | |
5469 | ||
5470 | if (scb->scsi_cmd) { | |
5471 | DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", | |
5472 | ips_name, | |
5473 | ha->host_num, | |
5474 | scb->cdb[0], | |
5475 | scb->cmd.basic_io.command_id, | |
5476 | scb->bus, scb->target_id, scb->lun); | |
5477 | } else { | |
5478 | DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", | |
5479 | ips_name, ha->host_num, scb->cmd.basic_io.command_id); | |
5480 | } | |
5481 | ||
5482 | TimeOut = 0; | |
5483 | ||
5484 | while ((val = readl(ha->mem_ptr + IPS_REG_CCCR)) & IPS_BIT_SEM) { | |
5485 | udelay(1000); | |
5486 | ||
5487 | if (++TimeOut >= IPS_SEM_TIMEOUT) { | |
5488 | if (!(val & IPS_BIT_START_STOP)) | |
5489 | break; | |
5490 | ||
5491 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5492 | "ips_issue val [0x%x].\n", val); | |
5493 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5494 | "ips_issue semaphore chk timeout.\n"); | |
5495 | ||
5496 | return (IPS_FAILURE); | |
5497 | } /* end if */ | |
5498 | } /* end while */ | |
5499 | ||
5500 | writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_CCSAR); | |
5501 | writel(IPS_BIT_START_CMD, ha->mem_ptr + IPS_REG_CCCR); | |
5502 | ||
5503 | return (IPS_SUCCESS); | |
5504 | } | |
5505 | ||
5506 | /****************************************************************************/ | |
5507 | /* */ | |
5508 | /* Routine Name: ips_issue_i2o */ | |
5509 | /* */ | |
5510 | /* Routine Description: */ | |
5511 | /* */ | |
5512 | /* Send a command down to the controller */ | |
5513 | /* */ | |
5514 | /****************************************************************************/ | |
5515 | static int | |
5516 | ips_issue_i2o(ips_ha_t * ha, ips_scb_t * scb) | |
5517 | { | |
5518 | ||
5519 | METHOD_TRACE("ips_issue_i2o", 1); | |
5520 | ||
5521 | if (scb->scsi_cmd) { | |
5522 | DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", | |
5523 | ips_name, | |
5524 | ha->host_num, | |
5525 | scb->cdb[0], | |
5526 | scb->cmd.basic_io.command_id, | |
5527 | scb->bus, scb->target_id, scb->lun); | |
5528 | } else { | |
5529 | DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", | |
5530 | ips_name, ha->host_num, scb->cmd.basic_io.command_id); | |
5531 | } | |
5532 | ||
5533 | outl(cpu_to_le32(scb->scb_busaddr), ha->io_addr + IPS_REG_I2O_INMSGQ); | |
5534 | ||
5535 | return (IPS_SUCCESS); | |
5536 | } | |
5537 | ||
5538 | /****************************************************************************/ | |
5539 | /* */ | |
5540 | /* Routine Name: ips_issue_i2o_memio */ | |
5541 | /* */ | |
5542 | /* Routine Description: */ | |
5543 | /* */ | |
5544 | /* Send a command down to the controller */ | |
5545 | /* */ | |
5546 | /****************************************************************************/ | |
5547 | static int | |
5548 | ips_issue_i2o_memio(ips_ha_t * ha, ips_scb_t * scb) | |
5549 | { | |
5550 | ||
5551 | METHOD_TRACE("ips_issue_i2o_memio", 1); | |
5552 | ||
5553 | if (scb->scsi_cmd) { | |
5554 | DEBUG_VAR(2, "(%s%d) ips_issue: cmd 0x%X id %d (%d %d %d)", | |
5555 | ips_name, | |
5556 | ha->host_num, | |
5557 | scb->cdb[0], | |
5558 | scb->cmd.basic_io.command_id, | |
5559 | scb->bus, scb->target_id, scb->lun); | |
5560 | } else { | |
5561 | DEBUG_VAR(2, "(%s%d) ips_issue: logical cmd id %d", | |
5562 | ips_name, ha->host_num, scb->cmd.basic_io.command_id); | |
5563 | } | |
5564 | ||
5565 | writel(scb->scb_busaddr, ha->mem_ptr + IPS_REG_I2O_INMSGQ); | |
5566 | ||
5567 | return (IPS_SUCCESS); | |
5568 | } | |
5569 | ||
5570 | /****************************************************************************/ | |
5571 | /* */ | |
5572 | /* Routine Name: ips_isintr_copperhead */ | |
5573 | /* */ | |
5574 | /* Routine Description: */ | |
5575 | /* */ | |
5576 | /* Test to see if an interrupt is for us */ | |
5577 | /* */ | |
5578 | /****************************************************************************/ | |
5579 | static int | |
5580 | ips_isintr_copperhead(ips_ha_t * ha) | |
5581 | { | |
5582 | uint8_t Isr; | |
5583 | ||
5584 | METHOD_TRACE("ips_isintr_copperhead", 2); | |
5585 | ||
5586 | Isr = inb(ha->io_addr + IPS_REG_HISR); | |
5587 | ||
5588 | if (Isr == 0xFF) | |
5589 | /* ?!?! Nothing really there */ | |
5590 | return (0); | |
5591 | ||
5592 | if (Isr & IPS_BIT_SCE) | |
5593 | return (1); | |
5594 | else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) { | |
5595 | /* status queue overflow or GHI */ | |
5596 | /* just clear the interrupt */ | |
5597 | outb(Isr, ha->io_addr + IPS_REG_HISR); | |
5598 | } | |
5599 | ||
5600 | return (0); | |
5601 | } | |
5602 | ||
5603 | /****************************************************************************/ | |
5604 | /* */ | |
5605 | /* Routine Name: ips_isintr_copperhead_memio */ | |
5606 | /* */ | |
5607 | /* Routine Description: */ | |
5608 | /* */ | |
5609 | /* Test to see if an interrupt is for us */ | |
5610 | /* */ | |
5611 | /****************************************************************************/ | |
5612 | static int | |
5613 | ips_isintr_copperhead_memio(ips_ha_t * ha) | |
5614 | { | |
5615 | uint8_t Isr; | |
5616 | ||
5617 | METHOD_TRACE("ips_isintr_memio", 2); | |
5618 | ||
5619 | Isr = readb(ha->mem_ptr + IPS_REG_HISR); | |
5620 | ||
5621 | if (Isr == 0xFF) | |
5622 | /* ?!?! Nothing really there */ | |
5623 | return (0); | |
5624 | ||
5625 | if (Isr & IPS_BIT_SCE) | |
5626 | return (1); | |
5627 | else if (Isr & (IPS_BIT_SQO | IPS_BIT_GHI)) { | |
5628 | /* status queue overflow or GHI */ | |
5629 | /* just clear the interrupt */ | |
5630 | writeb(Isr, ha->mem_ptr + IPS_REG_HISR); | |
5631 | } | |
5632 | ||
5633 | return (0); | |
5634 | } | |
5635 | ||
5636 | /****************************************************************************/ | |
5637 | /* */ | |
5638 | /* Routine Name: ips_isintr_morpheus */ | |
5639 | /* */ | |
5640 | /* Routine Description: */ | |
5641 | /* */ | |
5642 | /* Test to see if an interrupt is for us */ | |
5643 | /* */ | |
5644 | /****************************************************************************/ | |
5645 | static int | |
5646 | ips_isintr_morpheus(ips_ha_t * ha) | |
5647 | { | |
5648 | uint32_t Isr; | |
5649 | ||
5650 | METHOD_TRACE("ips_isintr_morpheus", 2); | |
5651 | ||
5652 | Isr = readl(ha->mem_ptr + IPS_REG_I2O_HIR); | |
5653 | ||
5654 | if (Isr & IPS_BIT_I2O_OPQI) | |
5655 | return (1); | |
5656 | else | |
5657 | return (0); | |
5658 | } | |
5659 | ||
5660 | /****************************************************************************/ | |
5661 | /* */ | |
5662 | /* Routine Name: ips_wait */ | |
5663 | /* */ | |
5664 | /* Routine Description: */ | |
5665 | /* */ | |
5666 | /* Wait for a command to complete */ | |
5667 | /* */ | |
5668 | /****************************************************************************/ | |
5669 | static int | |
5670 | ips_wait(ips_ha_t * ha, int time, int intr) | |
5671 | { | |
5672 | int ret; | |
5673 | int done; | |
5674 | ||
5675 | METHOD_TRACE("ips_wait", 1); | |
5676 | ||
5677 | ret = IPS_FAILURE; | |
5678 | done = FALSE; | |
5679 | ||
5680 | time *= IPS_ONE_SEC; /* convert seconds */ | |
5681 | ||
5682 | while ((time > 0) && (!done)) { | |
5683 | if (intr == IPS_INTR_ON) { | |
5684 | if (ha->waitflag == FALSE) { | |
5685 | ret = IPS_SUCCESS; | |
5686 | done = TRUE; | |
5687 | break; | |
5688 | } | |
5689 | } else if (intr == IPS_INTR_IORL) { | |
5690 | if (ha->waitflag == FALSE) { | |
5691 | /* | |
5692 | * controller generated an interrupt to | |
5693 | * acknowledge completion of the command | |
5694 | * and ips_intr() has serviced the interrupt. | |
5695 | */ | |
5696 | ret = IPS_SUCCESS; | |
5697 | done = TRUE; | |
5698 | break; | |
5699 | } | |
5700 | ||
5701 | /* | |
5702 | * NOTE: we already have the io_request_lock so | |
5703 | * even if we get an interrupt it won't get serviced | |
5704 | * until after we finish. | |
5705 | */ | |
5706 | ||
5707 | (*ha->func.intr) (ha); | |
5708 | } | |
5709 | ||
5710 | /* This looks like a very evil loop, but it only does this during start-up */ | |
5711 | udelay(1000); | |
5712 | time--; | |
5713 | } | |
5714 | ||
5715 | return (ret); | |
5716 | } | |
5717 | ||
5718 | /****************************************************************************/ | |
5719 | /* */ | |
5720 | /* Routine Name: ips_write_driver_status */ | |
5721 | /* */ | |
5722 | /* Routine Description: */ | |
5723 | /* */ | |
5724 | /* Write OS/Driver version to Page 5 of the nvram on the controller */ | |
5725 | /* */ | |
5726 | /****************************************************************************/ | |
5727 | static int | |
5728 | ips_write_driver_status(ips_ha_t * ha, int intr) | |
5729 | { | |
5730 | METHOD_TRACE("ips_write_driver_status", 1); | |
5731 | ||
5732 | if (!ips_readwrite_page5(ha, FALSE, intr)) { | |
5733 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5734 | "unable to read NVRAM page 5.\n"); | |
5735 | ||
5736 | return (0); | |
5737 | } | |
5738 | ||
5739 | /* check to make sure the page has a valid */ | |
5740 | /* signature */ | |
5741 | if (le32_to_cpu(ha->nvram->signature) != IPS_NVRAM_P5_SIG) { | |
5742 | DEBUG_VAR(1, | |
5743 | "(%s%d) NVRAM page 5 has an invalid signature: %X.", | |
5744 | ips_name, ha->host_num, ha->nvram->signature); | |
5745 | ha->nvram->signature = IPS_NVRAM_P5_SIG; | |
5746 | } | |
5747 | ||
5748 | DEBUG_VAR(2, | |
5749 | "(%s%d) Ad Type: %d, Ad Slot: %d, BIOS: %c%c%c%c %c%c%c%c.", | |
5750 | ips_name, ha->host_num, le16_to_cpu(ha->nvram->adapter_type), | |
5751 | ha->nvram->adapter_slot, ha->nvram->bios_high[0], | |
5752 | ha->nvram->bios_high[1], ha->nvram->bios_high[2], | |
5753 | ha->nvram->bios_high[3], ha->nvram->bios_low[0], | |
5754 | ha->nvram->bios_low[1], ha->nvram->bios_low[2], | |
5755 | ha->nvram->bios_low[3]); | |
5756 | ||
5757 | ips_get_bios_version(ha, intr); | |
5758 | ||
5759 | /* change values (as needed) */ | |
5760 | ha->nvram->operating_system = IPS_OS_LINUX; | |
5761 | ha->nvram->adapter_type = ha->ad_type; | |
5762 | strncpy((char *) ha->nvram->driver_high, IPS_VERSION_HIGH, 4); | |
5763 | strncpy((char *) ha->nvram->driver_low, IPS_VERSION_LOW, 4); | |
5764 | strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4); | |
5765 | strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4); | |
5766 | ||
a60768e2 | 5767 | ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */ |
1da177e4 LT |
5768 | |
5769 | /* now update the page */ | |
5770 | if (!ips_readwrite_page5(ha, TRUE, intr)) { | |
5771 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
5772 | "unable to write NVRAM page 5.\n"); | |
5773 | ||
5774 | return (0); | |
5775 | } | |
5776 | ||
5777 | /* IF NVRAM Page 5 is OK, Use it for Slot Number Info Because Linux Doesn't Do Slots */ | |
5778 | ha->slot_num = ha->nvram->adapter_slot; | |
5779 | ||
5780 | return (1); | |
5781 | } | |
5782 | ||
5783 | /****************************************************************************/ | |
5784 | /* */ | |
5785 | /* Routine Name: ips_read_adapter_status */ | |
5786 | /* */ | |
5787 | /* Routine Description: */ | |
5788 | /* */ | |
5789 | /* Do an Inquiry command to the adapter */ | |
5790 | /* */ | |
5791 | /****************************************************************************/ | |
5792 | static int | |
5793 | ips_read_adapter_status(ips_ha_t * ha, int intr) | |
5794 | { | |
5795 | ips_scb_t *scb; | |
5796 | int ret; | |
5797 | ||
5798 | METHOD_TRACE("ips_read_adapter_status", 1); | |
5799 | ||
5800 | scb = &ha->scbs[ha->max_cmds - 1]; | |
5801 | ||
5802 | ips_init_scb(ha, scb); | |
5803 | ||
5804 | scb->timeout = ips_cmd_timeout; | |
5805 | scb->cdb[0] = IPS_CMD_ENQUIRY; | |
5806 | ||
5807 | scb->cmd.basic_io.op_code = IPS_CMD_ENQUIRY; | |
5808 | scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); | |
5809 | scb->cmd.basic_io.sg_count = 0; | |
5810 | scb->cmd.basic_io.lba = 0; | |
5811 | scb->cmd.basic_io.sector_count = 0; | |
5812 | scb->cmd.basic_io.log_drv = 0; | |
5813 | scb->data_len = sizeof (*ha->enq); | |
5814 | scb->cmd.basic_io.sg_addr = ha->enq_busaddr; | |
5815 | ||
5816 | /* send command */ | |
5817 | if (((ret = | |
5818 | ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) | |
5819 | || (ret == IPS_SUCCESS_IMM) | |
5820 | || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) | |
5821 | return (0); | |
5822 | ||
5823 | return (1); | |
5824 | } | |
5825 | ||
5826 | /****************************************************************************/ | |
5827 | /* */ | |
5828 | /* Routine Name: ips_read_subsystem_parameters */ | |
5829 | /* */ | |
5830 | /* Routine Description: */ | |
5831 | /* */ | |
5832 | /* Read subsystem parameters from the adapter */ | |
5833 | /* */ | |
5834 | /****************************************************************************/ | |
5835 | static int | |
5836 | ips_read_subsystem_parameters(ips_ha_t * ha, int intr) | |
5837 | { | |
5838 | ips_scb_t *scb; | |
5839 | int ret; | |
5840 | ||
5841 | METHOD_TRACE("ips_read_subsystem_parameters", 1); | |
5842 | ||
5843 | scb = &ha->scbs[ha->max_cmds - 1]; | |
5844 | ||
5845 | ips_init_scb(ha, scb); | |
5846 | ||
5847 | scb->timeout = ips_cmd_timeout; | |
5848 | scb->cdb[0] = IPS_CMD_GET_SUBSYS; | |
5849 | ||
5850 | scb->cmd.basic_io.op_code = IPS_CMD_GET_SUBSYS; | |
5851 | scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); | |
5852 | scb->cmd.basic_io.sg_count = 0; | |
5853 | scb->cmd.basic_io.lba = 0; | |
5854 | scb->cmd.basic_io.sector_count = 0; | |
5855 | scb->cmd.basic_io.log_drv = 0; | |
5856 | scb->data_len = sizeof (*ha->subsys); | |
5857 | scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr; | |
5858 | ||
5859 | /* send command */ | |
5860 | if (((ret = | |
5861 | ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) | |
5862 | || (ret == IPS_SUCCESS_IMM) | |
5863 | || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) | |
5864 | return (0); | |
5865 | ||
5866 | memcpy(ha->subsys, ha->ioctl_data, sizeof(*ha->subsys)); | |
5867 | return (1); | |
5868 | } | |
5869 | ||
5870 | /****************************************************************************/ | |
5871 | /* */ | |
5872 | /* Routine Name: ips_read_config */ | |
5873 | /* */ | |
5874 | /* Routine Description: */ | |
5875 | /* */ | |
5876 | /* Read the configuration on the adapter */ | |
5877 | /* */ | |
5878 | /****************************************************************************/ | |
5879 | static int | |
5880 | ips_read_config(ips_ha_t * ha, int intr) | |
5881 | { | |
5882 | ips_scb_t *scb; | |
5883 | int i; | |
5884 | int ret; | |
5885 | ||
5886 | METHOD_TRACE("ips_read_config", 1); | |
5887 | ||
5888 | /* set defaults for initiator IDs */ | |
5889 | for (i = 0; i < 4; i++) | |
5890 | ha->conf->init_id[i] = 7; | |
5891 | ||
5892 | scb = &ha->scbs[ha->max_cmds - 1]; | |
5893 | ||
5894 | ips_init_scb(ha, scb); | |
5895 | ||
5896 | scb->timeout = ips_cmd_timeout; | |
5897 | scb->cdb[0] = IPS_CMD_READ_CONF; | |
5898 | ||
5899 | scb->cmd.basic_io.op_code = IPS_CMD_READ_CONF; | |
5900 | scb->cmd.basic_io.command_id = IPS_COMMAND_ID(ha, scb); | |
5901 | scb->data_len = sizeof (*ha->conf); | |
5902 | scb->cmd.basic_io.sg_addr = ha->ioctl_busaddr; | |
5903 | ||
5904 | /* send command */ | |
5905 | if (((ret = | |
5906 | ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) | |
5907 | || (ret == IPS_SUCCESS_IMM) | |
5908 | || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { | |
5909 | ||
5910 | memset(ha->conf, 0, sizeof (IPS_CONF)); | |
5911 | ||
5912 | /* reset initiator IDs */ | |
5913 | for (i = 0; i < 4; i++) | |
5914 | ha->conf->init_id[i] = 7; | |
5915 | ||
5916 | /* Allow Completed with Errors, so JCRM can access the Adapter to fix the problems */ | |
5917 | if ((scb->basic_status & IPS_GSC_STATUS_MASK) == | |
5918 | IPS_CMD_CMPLT_WERROR) | |
5919 | return (1); | |
5920 | ||
5921 | return (0); | |
5922 | } | |
5923 | ||
5924 | memcpy(ha->conf, ha->ioctl_data, sizeof(*ha->conf)); | |
5925 | return (1); | |
5926 | } | |
5927 | ||
5928 | /****************************************************************************/ | |
5929 | /* */ | |
5930 | /* Routine Name: ips_readwrite_page5 */ | |
5931 | /* */ | |
5932 | /* Routine Description: */ | |
5933 | /* */ | |
5934 | /* Read nvram page 5 from the adapter */ | |
5935 | /* */ | |
5936 | /****************************************************************************/ | |
5937 | static int | |
5938 | ips_readwrite_page5(ips_ha_t * ha, int write, int intr) | |
5939 | { | |
5940 | ips_scb_t *scb; | |
5941 | int ret; | |
5942 | ||
5943 | METHOD_TRACE("ips_readwrite_page5", 1); | |
5944 | ||
5945 | scb = &ha->scbs[ha->max_cmds - 1]; | |
5946 | ||
5947 | ips_init_scb(ha, scb); | |
5948 | ||
5949 | scb->timeout = ips_cmd_timeout; | |
5950 | scb->cdb[0] = IPS_CMD_RW_NVRAM_PAGE; | |
5951 | ||
5952 | scb->cmd.nvram.op_code = IPS_CMD_RW_NVRAM_PAGE; | |
5953 | scb->cmd.nvram.command_id = IPS_COMMAND_ID(ha, scb); | |
5954 | scb->cmd.nvram.page = 5; | |
5955 | scb->cmd.nvram.write = write; | |
5956 | scb->cmd.nvram.reserved = 0; | |
5957 | scb->cmd.nvram.reserved2 = 0; | |
5958 | scb->data_len = sizeof (*ha->nvram); | |
5959 | scb->cmd.nvram.buffer_addr = ha->ioctl_busaddr; | |
5960 | if (write) | |
5961 | memcpy(ha->ioctl_data, ha->nvram, sizeof(*ha->nvram)); | |
5962 | ||
5963 | /* issue the command */ | |
5964 | if (((ret = | |
5965 | ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) | |
5966 | || (ret == IPS_SUCCESS_IMM) | |
5967 | || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) { | |
5968 | ||
5969 | memset(ha->nvram, 0, sizeof (IPS_NVRAM_P5)); | |
5970 | ||
5971 | return (0); | |
5972 | } | |
5973 | if (!write) | |
5974 | memcpy(ha->nvram, ha->ioctl_data, sizeof(*ha->nvram)); | |
5975 | return (1); | |
5976 | } | |
5977 | ||
5978 | /****************************************************************************/ | |
5979 | /* */ | |
5980 | /* Routine Name: ips_clear_adapter */ | |
5981 | /* */ | |
5982 | /* Routine Description: */ | |
5983 | /* */ | |
5984 | /* Clear the stripe lock tables */ | |
5985 | /* */ | |
5986 | /****************************************************************************/ | |
5987 | static int | |
5988 | ips_clear_adapter(ips_ha_t * ha, int intr) | |
5989 | { | |
5990 | ips_scb_t *scb; | |
5991 | int ret; | |
5992 | ||
5993 | METHOD_TRACE("ips_clear_adapter", 1); | |
5994 | ||
5995 | scb = &ha->scbs[ha->max_cmds - 1]; | |
5996 | ||
5997 | ips_init_scb(ha, scb); | |
5998 | ||
5999 | scb->timeout = ips_reset_timeout; | |
6000 | scb->cdb[0] = IPS_CMD_CONFIG_SYNC; | |
6001 | ||
6002 | scb->cmd.config_sync.op_code = IPS_CMD_CONFIG_SYNC; | |
6003 | scb->cmd.config_sync.command_id = IPS_COMMAND_ID(ha, scb); | |
6004 | scb->cmd.config_sync.channel = 0; | |
6005 | scb->cmd.config_sync.source_target = IPS_POCL; | |
6006 | scb->cmd.config_sync.reserved = 0; | |
6007 | scb->cmd.config_sync.reserved2 = 0; | |
6008 | scb->cmd.config_sync.reserved3 = 0; | |
6009 | ||
6010 | /* issue command */ | |
6011 | if (((ret = | |
6012 | ips_send_wait(ha, scb, ips_reset_timeout, intr)) == IPS_FAILURE) | |
6013 | || (ret == IPS_SUCCESS_IMM) | |
6014 | || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) | |
6015 | return (0); | |
6016 | ||
6017 | /* send unlock stripe command */ | |
6018 | ips_init_scb(ha, scb); | |
6019 | ||
6020 | scb->cdb[0] = IPS_CMD_ERROR_TABLE; | |
6021 | scb->timeout = ips_reset_timeout; | |
6022 | ||
6023 | scb->cmd.unlock_stripe.op_code = IPS_CMD_ERROR_TABLE; | |
6024 | scb->cmd.unlock_stripe.command_id = IPS_COMMAND_ID(ha, scb); | |
6025 | scb->cmd.unlock_stripe.log_drv = 0; | |
6026 | scb->cmd.unlock_stripe.control = IPS_CSL; | |
6027 | scb->cmd.unlock_stripe.reserved = 0; | |
6028 | scb->cmd.unlock_stripe.reserved2 = 0; | |
6029 | scb->cmd.unlock_stripe.reserved3 = 0; | |
6030 | ||
6031 | /* issue command */ | |
6032 | if (((ret = | |
6033 | ips_send_wait(ha, scb, ips_cmd_timeout, intr)) == IPS_FAILURE) | |
6034 | || (ret == IPS_SUCCESS_IMM) | |
6035 | || ((scb->basic_status & IPS_GSC_STATUS_MASK) > 1)) | |
6036 | return (0); | |
6037 | ||
6038 | return (1); | |
6039 | } | |
6040 | ||
6041 | /****************************************************************************/ | |
6042 | /* */ | |
6043 | /* Routine Name: ips_ffdc_reset */ | |
6044 | /* */ | |
6045 | /* Routine Description: */ | |
6046 | /* */ | |
6047 | /* FFDC: write reset info */ | |
6048 | /* */ | |
6049 | /****************************************************************************/ | |
6050 | static void | |
6051 | ips_ffdc_reset(ips_ha_t * ha, int intr) | |
6052 | { | |
6053 | ips_scb_t *scb; | |
6054 | ||
6055 | METHOD_TRACE("ips_ffdc_reset", 1); | |
6056 | ||
6057 | scb = &ha->scbs[ha->max_cmds - 1]; | |
6058 | ||
6059 | ips_init_scb(ha, scb); | |
6060 | ||
6061 | scb->timeout = ips_cmd_timeout; | |
6062 | scb->cdb[0] = IPS_CMD_FFDC; | |
6063 | scb->cmd.ffdc.op_code = IPS_CMD_FFDC; | |
6064 | scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb); | |
6065 | scb->cmd.ffdc.reset_count = ha->reset_count; | |
6066 | scb->cmd.ffdc.reset_type = 0x80; | |
6067 | ||
6068 | /* convert time to what the card wants */ | |
6069 | ips_fix_ffdc_time(ha, scb, ha->last_ffdc); | |
6070 | ||
6071 | /* issue command */ | |
6072 | ips_send_wait(ha, scb, ips_cmd_timeout, intr); | |
6073 | } | |
6074 | ||
6075 | /****************************************************************************/ | |
6076 | /* */ | |
6077 | /* Routine Name: ips_ffdc_time */ | |
6078 | /* */ | |
6079 | /* Routine Description: */ | |
6080 | /* */ | |
6081 | /* FFDC: write time info */ | |
6082 | /* */ | |
6083 | /****************************************************************************/ | |
6084 | static void | |
6085 | ips_ffdc_time(ips_ha_t * ha) | |
6086 | { | |
6087 | ips_scb_t *scb; | |
6088 | ||
6089 | METHOD_TRACE("ips_ffdc_time", 1); | |
6090 | ||
6091 | DEBUG_VAR(1, "(%s%d) Sending time update.", ips_name, ha->host_num); | |
6092 | ||
6093 | scb = &ha->scbs[ha->max_cmds - 1]; | |
6094 | ||
6095 | ips_init_scb(ha, scb); | |
6096 | ||
6097 | scb->timeout = ips_cmd_timeout; | |
6098 | scb->cdb[0] = IPS_CMD_FFDC; | |
6099 | scb->cmd.ffdc.op_code = IPS_CMD_FFDC; | |
6100 | scb->cmd.ffdc.command_id = IPS_COMMAND_ID(ha, scb); | |
6101 | scb->cmd.ffdc.reset_count = 0; | |
6102 | scb->cmd.ffdc.reset_type = 0; | |
6103 | ||
6104 | /* convert time to what the card wants */ | |
6105 | ips_fix_ffdc_time(ha, scb, ha->last_ffdc); | |
6106 | ||
6107 | /* issue command */ | |
6108 | ips_send_wait(ha, scb, ips_cmd_timeout, IPS_FFDC); | |
6109 | } | |
6110 | ||
6111 | /****************************************************************************/ | |
6112 | /* */ | |
6113 | /* Routine Name: ips_fix_ffdc_time */ | |
6114 | /* */ | |
6115 | /* Routine Description: */ | |
6116 | /* Adjust time_t to what the card wants */ | |
6117 | /* */ | |
6118 | /****************************************************************************/ | |
6119 | static void | |
6120 | ips_fix_ffdc_time(ips_ha_t * ha, ips_scb_t * scb, time_t current_time) | |
6121 | { | |
6122 | long days; | |
6123 | long rem; | |
6124 | int i; | |
6125 | int year; | |
6126 | int yleap; | |
6127 | int year_lengths[2] = { IPS_DAYS_NORMAL_YEAR, IPS_DAYS_LEAP_YEAR }; | |
6128 | int month_lengths[12][2] = { {31, 31}, | |
6129 | {28, 29}, | |
6130 | {31, 31}, | |
6131 | {30, 30}, | |
6132 | {31, 31}, | |
6133 | {30, 30}, | |
6134 | {31, 31}, | |
6135 | {31, 31}, | |
6136 | {30, 30}, | |
6137 | {31, 31}, | |
6138 | {30, 30}, | |
6139 | {31, 31} | |
6140 | }; | |
6141 | ||
6142 | METHOD_TRACE("ips_fix_ffdc_time", 1); | |
6143 | ||
6144 | days = current_time / IPS_SECS_DAY; | |
6145 | rem = current_time % IPS_SECS_DAY; | |
6146 | ||
6147 | scb->cmd.ffdc.hour = (rem / IPS_SECS_HOUR); | |
6148 | rem = rem % IPS_SECS_HOUR; | |
6149 | scb->cmd.ffdc.minute = (rem / IPS_SECS_MIN); | |
6150 | scb->cmd.ffdc.second = (rem % IPS_SECS_MIN); | |
6151 | ||
6152 | year = IPS_EPOCH_YEAR; | |
6153 | while (days < 0 || days >= year_lengths[yleap = IPS_IS_LEAP_YEAR(year)]) { | |
6154 | int newy; | |
6155 | ||
6156 | newy = year + (days / IPS_DAYS_NORMAL_YEAR); | |
6157 | if (days < 0) | |
6158 | --newy; | |
6159 | days -= (newy - year) * IPS_DAYS_NORMAL_YEAR + | |
6160 | IPS_NUM_LEAP_YEARS_THROUGH(newy - 1) - | |
6161 | IPS_NUM_LEAP_YEARS_THROUGH(year - 1); | |
6162 | year = newy; | |
6163 | } | |
6164 | ||
6165 | scb->cmd.ffdc.yearH = year / 100; | |
6166 | scb->cmd.ffdc.yearL = year % 100; | |
6167 | ||
6168 | for (i = 0; days >= month_lengths[i][yleap]; ++i) | |
6169 | days -= month_lengths[i][yleap]; | |
6170 | ||
6171 | scb->cmd.ffdc.month = i + 1; | |
6172 | scb->cmd.ffdc.day = days + 1; | |
6173 | } | |
6174 | ||
6175 | /**************************************************************************** | |
6176 | * BIOS Flash Routines * | |
6177 | ****************************************************************************/ | |
6178 | ||
6179 | /****************************************************************************/ | |
6180 | /* */ | |
6181 | /* Routine Name: ips_erase_bios */ | |
6182 | /* */ | |
6183 | /* Routine Description: */ | |
6184 | /* Erase the BIOS on the adapter */ | |
6185 | /* */ | |
6186 | /****************************************************************************/ | |
6187 | static int | |
6188 | ips_erase_bios(ips_ha_t * ha) | |
6189 | { | |
6190 | int timeout; | |
6191 | uint8_t status = 0; | |
6192 | ||
6193 | METHOD_TRACE("ips_erase_bios", 1); | |
6194 | ||
6195 | status = 0; | |
6196 | ||
6197 | /* Clear the status register */ | |
6198 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
6199 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6200 | udelay(25); /* 25 us */ | |
6201 | ||
6202 | outb(0x50, ha->io_addr + IPS_REG_FLDP); | |
6203 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6204 | udelay(25); /* 25 us */ | |
6205 | ||
6206 | /* Erase Setup */ | |
6207 | outb(0x20, ha->io_addr + IPS_REG_FLDP); | |
6208 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6209 | udelay(25); /* 25 us */ | |
6210 | ||
6211 | /* Erase Confirm */ | |
6212 | outb(0xD0, ha->io_addr + IPS_REG_FLDP); | |
6213 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6214 | udelay(25); /* 25 us */ | |
6215 | ||
6216 | /* Erase Status */ | |
6217 | outb(0x70, ha->io_addr + IPS_REG_FLDP); | |
6218 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6219 | udelay(25); /* 25 us */ | |
6220 | ||
6221 | timeout = 80000; /* 80 seconds */ | |
6222 | ||
6223 | while (timeout > 0) { | |
6224 | if (ha->revision_id == IPS_REVID_TROMBONE64) { | |
6225 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
6226 | udelay(25); /* 25 us */ | |
6227 | } | |
6228 | ||
6229 | status = inb(ha->io_addr + IPS_REG_FLDP); | |
6230 | ||
6231 | if (status & 0x80) | |
6232 | break; | |
6233 | ||
6234 | MDELAY(1); | |
6235 | timeout--; | |
6236 | } | |
6237 | ||
6238 | /* check for timeout */ | |
6239 | if (timeout <= 0) { | |
6240 | /* timeout */ | |
6241 | ||
6242 | /* try to suspend the erase */ | |
6243 | outb(0xB0, ha->io_addr + IPS_REG_FLDP); | |
6244 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6245 | udelay(25); /* 25 us */ | |
6246 | ||
6247 | /* wait for 10 seconds */ | |
6248 | timeout = 10000; | |
6249 | while (timeout > 0) { | |
6250 | if (ha->revision_id == IPS_REVID_TROMBONE64) { | |
6251 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
6252 | udelay(25); /* 25 us */ | |
6253 | } | |
6254 | ||
6255 | status = inb(ha->io_addr + IPS_REG_FLDP); | |
6256 | ||
6257 | if (status & 0xC0) | |
6258 | break; | |
6259 | ||
6260 | MDELAY(1); | |
6261 | timeout--; | |
6262 | } | |
6263 | ||
6264 | return (1); | |
6265 | } | |
6266 | ||
6267 | /* check for valid VPP */ | |
6268 | if (status & 0x08) | |
6269 | /* VPP failure */ | |
6270 | return (1); | |
6271 | ||
d6e05edc | 6272 | /* check for successful flash */ |
1da177e4 LT |
6273 | if (status & 0x30) |
6274 | /* sequence error */ | |
6275 | return (1); | |
6276 | ||
6277 | /* Otherwise, we were successful */ | |
6278 | /* clear status */ | |
6279 | outb(0x50, ha->io_addr + IPS_REG_FLDP); | |
6280 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6281 | udelay(25); /* 25 us */ | |
6282 | ||
6283 | /* enable reads */ | |
6284 | outb(0xFF, ha->io_addr + IPS_REG_FLDP); | |
6285 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6286 | udelay(25); /* 25 us */ | |
6287 | ||
6288 | return (0); | |
6289 | } | |
6290 | ||
6291 | /****************************************************************************/ | |
6292 | /* */ | |
6293 | /* Routine Name: ips_erase_bios_memio */ | |
6294 | /* */ | |
6295 | /* Routine Description: */ | |
6296 | /* Erase the BIOS on the adapter */ | |
6297 | /* */ | |
6298 | /****************************************************************************/ | |
6299 | static int | |
6300 | ips_erase_bios_memio(ips_ha_t * ha) | |
6301 | { | |
6302 | int timeout; | |
6303 | uint8_t status; | |
6304 | ||
6305 | METHOD_TRACE("ips_erase_bios_memio", 1); | |
6306 | ||
6307 | status = 0; | |
6308 | ||
6309 | /* Clear the status register */ | |
6310 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
6311 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6312 | udelay(25); /* 25 us */ | |
6313 | ||
6314 | writeb(0x50, ha->mem_ptr + IPS_REG_FLDP); | |
6315 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6316 | udelay(25); /* 25 us */ | |
6317 | ||
6318 | /* Erase Setup */ | |
6319 | writeb(0x20, ha->mem_ptr + IPS_REG_FLDP); | |
6320 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6321 | udelay(25); /* 25 us */ | |
6322 | ||
6323 | /* Erase Confirm */ | |
6324 | writeb(0xD0, ha->mem_ptr + IPS_REG_FLDP); | |
6325 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6326 | udelay(25); /* 25 us */ | |
6327 | ||
6328 | /* Erase Status */ | |
6329 | writeb(0x70, ha->mem_ptr + IPS_REG_FLDP); | |
6330 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6331 | udelay(25); /* 25 us */ | |
6332 | ||
6333 | timeout = 80000; /* 80 seconds */ | |
6334 | ||
6335 | while (timeout > 0) { | |
6336 | if (ha->revision_id == IPS_REVID_TROMBONE64) { | |
6337 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
6338 | udelay(25); /* 25 us */ | |
6339 | } | |
6340 | ||
6341 | status = readb(ha->mem_ptr + IPS_REG_FLDP); | |
6342 | ||
6343 | if (status & 0x80) | |
6344 | break; | |
6345 | ||
6346 | MDELAY(1); | |
6347 | timeout--; | |
6348 | } | |
6349 | ||
6350 | /* check for timeout */ | |
6351 | if (timeout <= 0) { | |
6352 | /* timeout */ | |
6353 | ||
6354 | /* try to suspend the erase */ | |
6355 | writeb(0xB0, ha->mem_ptr + IPS_REG_FLDP); | |
6356 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6357 | udelay(25); /* 25 us */ | |
6358 | ||
6359 | /* wait for 10 seconds */ | |
6360 | timeout = 10000; | |
6361 | while (timeout > 0) { | |
6362 | if (ha->revision_id == IPS_REVID_TROMBONE64) { | |
6363 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
6364 | udelay(25); /* 25 us */ | |
6365 | } | |
6366 | ||
6367 | status = readb(ha->mem_ptr + IPS_REG_FLDP); | |
6368 | ||
6369 | if (status & 0xC0) | |
6370 | break; | |
6371 | ||
6372 | MDELAY(1); | |
6373 | timeout--; | |
6374 | } | |
6375 | ||
6376 | return (1); | |
6377 | } | |
6378 | ||
6379 | /* check for valid VPP */ | |
6380 | if (status & 0x08) | |
6381 | /* VPP failure */ | |
6382 | return (1); | |
6383 | ||
d6e05edc | 6384 | /* check for successful flash */ |
1da177e4 LT |
6385 | if (status & 0x30) |
6386 | /* sequence error */ | |
6387 | return (1); | |
6388 | ||
6389 | /* Otherwise, we were successful */ | |
6390 | /* clear status */ | |
6391 | writeb(0x50, ha->mem_ptr + IPS_REG_FLDP); | |
6392 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6393 | udelay(25); /* 25 us */ | |
6394 | ||
6395 | /* enable reads */ | |
6396 | writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); | |
6397 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6398 | udelay(25); /* 25 us */ | |
6399 | ||
6400 | return (0); | |
6401 | } | |
6402 | ||
6403 | /****************************************************************************/ | |
6404 | /* */ | |
6405 | /* Routine Name: ips_program_bios */ | |
6406 | /* */ | |
6407 | /* Routine Description: */ | |
6408 | /* Program the BIOS on the adapter */ | |
6409 | /* */ | |
6410 | /****************************************************************************/ | |
6411 | static int | |
6412 | ips_program_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, | |
6413 | uint32_t offset) | |
6414 | { | |
6415 | int i; | |
6416 | int timeout; | |
6417 | uint8_t status = 0; | |
6418 | ||
6419 | METHOD_TRACE("ips_program_bios", 1); | |
6420 | ||
6421 | status = 0; | |
6422 | ||
6423 | for (i = 0; i < buffersize; i++) { | |
6424 | /* write a byte */ | |
6425 | outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP); | |
6426 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6427 | udelay(25); /* 25 us */ | |
6428 | ||
6429 | outb(0x40, ha->io_addr + IPS_REG_FLDP); | |
6430 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6431 | udelay(25); /* 25 us */ | |
6432 | ||
6433 | outb(buffer[i], ha->io_addr + IPS_REG_FLDP); | |
6434 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6435 | udelay(25); /* 25 us */ | |
6436 | ||
6437 | /* wait up to one second */ | |
6438 | timeout = 1000; | |
6439 | while (timeout > 0) { | |
6440 | if (ha->revision_id == IPS_REVID_TROMBONE64) { | |
6441 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
6442 | udelay(25); /* 25 us */ | |
6443 | } | |
6444 | ||
6445 | status = inb(ha->io_addr + IPS_REG_FLDP); | |
6446 | ||
6447 | if (status & 0x80) | |
6448 | break; | |
6449 | ||
6450 | MDELAY(1); | |
6451 | timeout--; | |
6452 | } | |
6453 | ||
6454 | if (timeout == 0) { | |
6455 | /* timeout error */ | |
6456 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
6457 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6458 | udelay(25); /* 25 us */ | |
6459 | ||
6460 | outb(0xFF, ha->io_addr + IPS_REG_FLDP); | |
6461 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6462 | udelay(25); /* 25 us */ | |
6463 | ||
6464 | return (1); | |
6465 | } | |
6466 | ||
6467 | /* check the status */ | |
6468 | if (status & 0x18) { | |
6469 | /* programming error */ | |
6470 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
6471 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6472 | udelay(25); /* 25 us */ | |
6473 | ||
6474 | outb(0xFF, ha->io_addr + IPS_REG_FLDP); | |
6475 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6476 | udelay(25); /* 25 us */ | |
6477 | ||
6478 | return (1); | |
6479 | } | |
6480 | } /* end for */ | |
6481 | ||
6482 | /* Enable reading */ | |
6483 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
6484 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6485 | udelay(25); /* 25 us */ | |
6486 | ||
6487 | outb(0xFF, ha->io_addr + IPS_REG_FLDP); | |
6488 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6489 | udelay(25); /* 25 us */ | |
6490 | ||
6491 | return (0); | |
6492 | } | |
6493 | ||
6494 | /****************************************************************************/ | |
6495 | /* */ | |
6496 | /* Routine Name: ips_program_bios_memio */ | |
6497 | /* */ | |
6498 | /* Routine Description: */ | |
6499 | /* Program the BIOS on the adapter */ | |
6500 | /* */ | |
6501 | /****************************************************************************/ | |
6502 | static int | |
6503 | ips_program_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, | |
6504 | uint32_t offset) | |
6505 | { | |
6506 | int i; | |
6507 | int timeout; | |
6508 | uint8_t status = 0; | |
6509 | ||
6510 | METHOD_TRACE("ips_program_bios_memio", 1); | |
6511 | ||
6512 | status = 0; | |
6513 | ||
6514 | for (i = 0; i < buffersize; i++) { | |
6515 | /* write a byte */ | |
6516 | writel(i + offset, ha->mem_ptr + IPS_REG_FLAP); | |
6517 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6518 | udelay(25); /* 25 us */ | |
6519 | ||
6520 | writeb(0x40, ha->mem_ptr + IPS_REG_FLDP); | |
6521 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6522 | udelay(25); /* 25 us */ | |
6523 | ||
6524 | writeb(buffer[i], ha->mem_ptr + IPS_REG_FLDP); | |
6525 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6526 | udelay(25); /* 25 us */ | |
6527 | ||
6528 | /* wait up to one second */ | |
6529 | timeout = 1000; | |
6530 | while (timeout > 0) { | |
6531 | if (ha->revision_id == IPS_REVID_TROMBONE64) { | |
6532 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
6533 | udelay(25); /* 25 us */ | |
6534 | } | |
6535 | ||
6536 | status = readb(ha->mem_ptr + IPS_REG_FLDP); | |
6537 | ||
6538 | if (status & 0x80) | |
6539 | break; | |
6540 | ||
6541 | MDELAY(1); | |
6542 | timeout--; | |
6543 | } | |
6544 | ||
6545 | if (timeout == 0) { | |
6546 | /* timeout error */ | |
6547 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
6548 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6549 | udelay(25); /* 25 us */ | |
6550 | ||
6551 | writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); | |
6552 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6553 | udelay(25); /* 25 us */ | |
6554 | ||
6555 | return (1); | |
6556 | } | |
6557 | ||
6558 | /* check the status */ | |
6559 | if (status & 0x18) { | |
6560 | /* programming error */ | |
6561 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
6562 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6563 | udelay(25); /* 25 us */ | |
6564 | ||
6565 | writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); | |
6566 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6567 | udelay(25); /* 25 us */ | |
6568 | ||
6569 | return (1); | |
6570 | } | |
6571 | } /* end for */ | |
6572 | ||
6573 | /* Enable reading */ | |
6574 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
6575 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6576 | udelay(25); /* 25 us */ | |
6577 | ||
6578 | writeb(0xFF, ha->mem_ptr + IPS_REG_FLDP); | |
6579 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6580 | udelay(25); /* 25 us */ | |
6581 | ||
6582 | return (0); | |
6583 | } | |
6584 | ||
6585 | /****************************************************************************/ | |
6586 | /* */ | |
6587 | /* Routine Name: ips_verify_bios */ | |
6588 | /* */ | |
6589 | /* Routine Description: */ | |
6590 | /* Verify the BIOS on the adapter */ | |
6591 | /* */ | |
6592 | /****************************************************************************/ | |
6593 | static int | |
6594 | ips_verify_bios(ips_ha_t * ha, char *buffer, uint32_t buffersize, | |
6595 | uint32_t offset) | |
6596 | { | |
6597 | uint8_t checksum; | |
6598 | int i; | |
6599 | ||
6600 | METHOD_TRACE("ips_verify_bios", 1); | |
6601 | ||
6602 | /* test 1st byte */ | |
6603 | outl(0, ha->io_addr + IPS_REG_FLAP); | |
6604 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6605 | udelay(25); /* 25 us */ | |
6606 | ||
6607 | if (inb(ha->io_addr + IPS_REG_FLDP) != 0x55) | |
6608 | return (1); | |
6609 | ||
6610 | outl(cpu_to_le32(1), ha->io_addr + IPS_REG_FLAP); | |
6611 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6612 | udelay(25); /* 25 us */ | |
6613 | if (inb(ha->io_addr + IPS_REG_FLDP) != 0xAA) | |
6614 | return (1); | |
6615 | ||
6616 | checksum = 0xff; | |
6617 | for (i = 2; i < buffersize; i++) { | |
6618 | ||
6619 | outl(cpu_to_le32(i + offset), ha->io_addr + IPS_REG_FLAP); | |
6620 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6621 | udelay(25); /* 25 us */ | |
6622 | ||
6623 | checksum = (uint8_t) checksum + inb(ha->io_addr + IPS_REG_FLDP); | |
6624 | } | |
6625 | ||
6626 | if (checksum != 0) | |
6627 | /* failure */ | |
6628 | return (1); | |
6629 | else | |
6630 | /* success */ | |
6631 | return (0); | |
6632 | } | |
6633 | ||
6634 | /****************************************************************************/ | |
6635 | /* */ | |
6636 | /* Routine Name: ips_verify_bios_memio */ | |
6637 | /* */ | |
6638 | /* Routine Description: */ | |
6639 | /* Verify the BIOS on the adapter */ | |
6640 | /* */ | |
6641 | /****************************************************************************/ | |
6642 | static int | |
6643 | ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, | |
6644 | uint32_t offset) | |
6645 | { | |
6646 | uint8_t checksum; | |
6647 | int i; | |
6648 | ||
6649 | METHOD_TRACE("ips_verify_bios_memio", 1); | |
6650 | ||
6651 | /* test 1st byte */ | |
6652 | writel(0, ha->mem_ptr + IPS_REG_FLAP); | |
6653 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6654 | udelay(25); /* 25 us */ | |
6655 | ||
6656 | if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0x55) | |
6657 | return (1); | |
6658 | ||
6659 | writel(1, ha->mem_ptr + IPS_REG_FLAP); | |
6660 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6661 | udelay(25); /* 25 us */ | |
6662 | if (readb(ha->mem_ptr + IPS_REG_FLDP) != 0xAA) | |
6663 | return (1); | |
6664 | ||
6665 | checksum = 0xff; | |
6666 | for (i = 2; i < buffersize; i++) { | |
6667 | ||
6668 | writel(i + offset, ha->mem_ptr + IPS_REG_FLAP); | |
6669 | if (ha->revision_id == IPS_REVID_TROMBONE64) | |
6670 | udelay(25); /* 25 us */ | |
6671 | ||
6672 | checksum = | |
6673 | (uint8_t) checksum + readb(ha->mem_ptr + IPS_REG_FLDP); | |
6674 | } | |
6675 | ||
6676 | if (checksum != 0) | |
6677 | /* failure */ | |
6678 | return (1); | |
6679 | else | |
6680 | /* success */ | |
6681 | return (0); | |
6682 | } | |
6683 | ||
1da177e4 LT |
6684 | /****************************************************************************/ |
6685 | /* */ | |
6686 | /* Routine Name: ips_abort_init */ | |
6687 | /* */ | |
6688 | /* Routine Description: */ | |
6689 | /* cleanup routine for a failed adapter initialization */ | |
6690 | /****************************************************************************/ | |
6691 | static int | |
6692 | ips_abort_init(ips_ha_t * ha, int index) | |
6693 | { | |
6694 | ha->active = 0; | |
6695 | ips_free(ha); | |
6696 | ips_ha[index] = NULL; | |
6697 | ips_sh[index] = NULL; | |
6698 | return -1; | |
6699 | } | |
6700 | ||
6701 | /****************************************************************************/ | |
6702 | /* */ | |
6703 | /* Routine Name: ips_shift_controllers */ | |
6704 | /* */ | |
6705 | /* Routine Description: */ | |
6706 | /* helper function for ordering adapters */ | |
6707 | /****************************************************************************/ | |
6708 | static void | |
6709 | ips_shift_controllers(int lowindex, int highindex) | |
6710 | { | |
6711 | ips_ha_t *ha_sav = ips_ha[highindex]; | |
6712 | struct Scsi_Host *sh_sav = ips_sh[highindex]; | |
6713 | int i; | |
6714 | ||
6715 | for (i = highindex; i > lowindex; i--) { | |
6716 | ips_ha[i] = ips_ha[i - 1]; | |
6717 | ips_sh[i] = ips_sh[i - 1]; | |
6718 | ips_ha[i]->host_num = i; | |
6719 | } | |
6720 | ha_sav->host_num = lowindex; | |
6721 | ips_ha[lowindex] = ha_sav; | |
6722 | ips_sh[lowindex] = sh_sav; | |
6723 | } | |
6724 | ||
6725 | /****************************************************************************/ | |
6726 | /* */ | |
6727 | /* Routine Name: ips_order_controllers */ | |
6728 | /* */ | |
6729 | /* Routine Description: */ | |
6730 | /* place controllers is the "proper" boot order */ | |
6731 | /****************************************************************************/ | |
6732 | static void | |
6733 | ips_order_controllers(void) | |
6734 | { | |
6735 | int i, j, tmp, position = 0; | |
6736 | IPS_NVRAM_P5 *nvram; | |
6737 | if (!ips_ha[0]) | |
6738 | return; | |
6739 | nvram = ips_ha[0]->nvram; | |
6740 | ||
6741 | if (nvram->adapter_order[0]) { | |
6742 | for (i = 1; i <= nvram->adapter_order[0]; i++) { | |
6743 | for (j = position; j < ips_num_controllers; j++) { | |
6744 | switch (ips_ha[j]->ad_type) { | |
6745 | case IPS_ADTYPE_SERVERAID6M: | |
6746 | case IPS_ADTYPE_SERVERAID7M: | |
6747 | if (nvram->adapter_order[i] == 'M') { | |
6748 | ips_shift_controllers(position, | |
6749 | j); | |
6750 | position++; | |
6751 | } | |
6752 | break; | |
6753 | case IPS_ADTYPE_SERVERAID4L: | |
6754 | case IPS_ADTYPE_SERVERAID4M: | |
6755 | case IPS_ADTYPE_SERVERAID4MX: | |
6756 | case IPS_ADTYPE_SERVERAID4LX: | |
6757 | if (nvram->adapter_order[i] == 'N') { | |
6758 | ips_shift_controllers(position, | |
6759 | j); | |
6760 | position++; | |
6761 | } | |
6762 | break; | |
6763 | case IPS_ADTYPE_SERVERAID6I: | |
6764 | case IPS_ADTYPE_SERVERAID5I2: | |
6765 | case IPS_ADTYPE_SERVERAID5I1: | |
6766 | case IPS_ADTYPE_SERVERAID7k: | |
6767 | if (nvram->adapter_order[i] == 'S') { | |
6768 | ips_shift_controllers(position, | |
6769 | j); | |
6770 | position++; | |
6771 | } | |
6772 | break; | |
6773 | case IPS_ADTYPE_SERVERAID: | |
6774 | case IPS_ADTYPE_SERVERAID2: | |
6775 | case IPS_ADTYPE_NAVAJO: | |
6776 | case IPS_ADTYPE_KIOWA: | |
6777 | case IPS_ADTYPE_SERVERAID3L: | |
6778 | case IPS_ADTYPE_SERVERAID3: | |
6779 | case IPS_ADTYPE_SERVERAID4H: | |
6780 | if (nvram->adapter_order[i] == 'A') { | |
6781 | ips_shift_controllers(position, | |
6782 | j); | |
6783 | position++; | |
6784 | } | |
6785 | break; | |
6786 | default: | |
6787 | break; | |
6788 | } | |
6789 | } | |
6790 | } | |
6791 | /* if adapter_order[0], then ordering is complete */ | |
6792 | return; | |
6793 | } | |
6794 | /* old bios, use older ordering */ | |
6795 | tmp = 0; | |
6796 | for (i = position; i < ips_num_controllers; i++) { | |
6797 | if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I2 || | |
6798 | ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID5I1) { | |
6799 | ips_shift_controllers(position, i); | |
6800 | position++; | |
6801 | tmp = 1; | |
6802 | } | |
6803 | } | |
6804 | /* if there were no 5I cards, then don't do any extra ordering */ | |
6805 | if (!tmp) | |
6806 | return; | |
6807 | for (i = position; i < ips_num_controllers; i++) { | |
6808 | if (ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4L || | |
6809 | ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4M || | |
6810 | ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4LX || | |
6811 | ips_ha[i]->ad_type == IPS_ADTYPE_SERVERAID4MX) { | |
6812 | ips_shift_controllers(position, i); | |
6813 | position++; | |
6814 | } | |
6815 | } | |
6816 | ||
6817 | return; | |
6818 | } | |
6819 | ||
6820 | /****************************************************************************/ | |
6821 | /* */ | |
6822 | /* Routine Name: ips_register_scsi */ | |
6823 | /* */ | |
6824 | /* Routine Description: */ | |
6825 | /* perform any registration and setup with the scsi layer */ | |
6826 | /****************************************************************************/ | |
6827 | static int | |
6828 | ips_register_scsi(int index) | |
6829 | { | |
6830 | struct Scsi_Host *sh; | |
6831 | ips_ha_t *ha, *oldha = ips_ha[index]; | |
6832 | sh = scsi_host_alloc(&ips_driver_template, sizeof (ips_ha_t)); | |
6833 | if (!sh) { | |
6834 | IPS_PRINTK(KERN_WARNING, oldha->pcidev, | |
6835 | "Unable to register controller with SCSI subsystem\n"); | |
6836 | return -1; | |
6837 | } | |
6838 | ha = IPS_HA(sh); | |
6839 | memcpy(ha, oldha, sizeof (ips_ha_t)); | |
6840 | free_irq(oldha->irq, oldha); | |
6841 | /* Install the interrupt handler with the new ha */ | |
1d6f359a | 6842 | if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) { |
1da177e4 LT |
6843 | IPS_PRINTK(KERN_WARNING, ha->pcidev, |
6844 | "Unable to install interrupt handler\n"); | |
6845 | scsi_host_put(sh); | |
6846 | return -1; | |
6847 | } | |
6848 | ||
6849 | kfree(oldha); | |
6850 | ips_sh[index] = sh; | |
6851 | ips_ha[index] = ha; | |
1da177e4 LT |
6852 | |
6853 | /* Store away needed values for later use */ | |
6854 | sh->io_port = ha->io_addr; | |
6855 | sh->n_io_port = ha->io_addr ? 255 : 0; | |
6856 | sh->unique_id = (ha->io_addr) ? ha->io_addr : ha->mem_addr; | |
6857 | sh->irq = ha->irq; | |
6858 | sh->sg_tablesize = sh->hostt->sg_tablesize; | |
6859 | sh->can_queue = sh->hostt->can_queue; | |
6860 | sh->cmd_per_lun = sh->hostt->cmd_per_lun; | |
6861 | sh->unchecked_isa_dma = sh->hostt->unchecked_isa_dma; | |
6862 | sh->use_clustering = sh->hostt->use_clustering; | |
1da177e4 | 6863 | sh->max_sectors = 128; |
1da177e4 LT |
6864 | |
6865 | sh->max_id = ha->ntargets; | |
6866 | sh->max_lun = ha->nlun; | |
6867 | sh->max_channel = ha->nbus - 1; | |
6868 | sh->can_queue = ha->max_cmds - 1; | |
6869 | ||
c6a6c81c AB |
6870 | scsi_add_host(sh, NULL); |
6871 | scsi_scan_host(sh); | |
6872 | ||
1da177e4 LT |
6873 | return 0; |
6874 | } | |
6875 | ||
6876 | /*---------------------------------------------------------------------------*/ | |
6877 | /* Routine Name: ips_remove_device */ | |
6878 | /* */ | |
6879 | /* Routine Description: */ | |
6880 | /* Remove one Adapter ( Hot Plugging ) */ | |
6881 | /*---------------------------------------------------------------------------*/ | |
6882 | static void __devexit | |
6883 | ips_remove_device(struct pci_dev *pci_dev) | |
6884 | { | |
6885 | int i; | |
6886 | struct Scsi_Host *sh; | |
6887 | ips_ha_t *ha; | |
6888 | ||
6889 | for (i = 0; i < IPS_MAX_ADAPTERS; i++) { | |
6890 | ha = ips_ha[i]; | |
6891 | if (ha) { | |
6892 | if ((pci_dev->bus->number == ha->pcidev->bus->number) && | |
6893 | (pci_dev->devfn == ha->pcidev->devfn)) { | |
6894 | sh = ips_sh[i]; | |
6895 | ips_release(sh); | |
6896 | } | |
6897 | } | |
6898 | } | |
6899 | } | |
6900 | ||
6901 | /****************************************************************************/ | |
6902 | /* */ | |
6903 | /* Routine Name: ips_module_init */ | |
6904 | /* */ | |
6905 | /* Routine Description: */ | |
6906 | /* function called on module load */ | |
6907 | /****************************************************************************/ | |
6908 | static int __init | |
6909 | ips_module_init(void) | |
6910 | { | |
02a0fa67 | 6911 | if (pci_register_driver(&ips_pci_driver) < 0) |
1da177e4 LT |
6912 | return -ENODEV; |
6913 | ips_driver_template.module = THIS_MODULE; | |
6914 | ips_order_controllers(); | |
c6a6c81c | 6915 | if (!ips_detect(&ips_driver_template)) { |
1da177e4 LT |
6916 | pci_unregister_driver(&ips_pci_driver); |
6917 | return -ENODEV; | |
6918 | } | |
6919 | register_reboot_notifier(&ips_notifier); | |
6920 | return 0; | |
6921 | } | |
6922 | ||
6923 | /****************************************************************************/ | |
6924 | /* */ | |
6925 | /* Routine Name: ips_module_exit */ | |
6926 | /* */ | |
6927 | /* Routine Description: */ | |
6928 | /* function called on module unload */ | |
6929 | /****************************************************************************/ | |
6930 | static void __exit | |
6931 | ips_module_exit(void) | |
6932 | { | |
1da177e4 LT |
6933 | pci_unregister_driver(&ips_pci_driver); |
6934 | unregister_reboot_notifier(&ips_notifier); | |
6935 | } | |
6936 | ||
6937 | module_init(ips_module_init); | |
6938 | module_exit(ips_module_exit); | |
6939 | ||
6940 | /*---------------------------------------------------------------------------*/ | |
6941 | /* Routine Name: ips_insert_device */ | |
6942 | /* */ | |
6943 | /* Routine Description: */ | |
6944 | /* Add One Adapter ( Hot Plug ) */ | |
6945 | /* */ | |
6946 | /* Return Value: */ | |
6947 | /* 0 if Successful, else non-zero */ | |
6948 | /*---------------------------------------------------------------------------*/ | |
6949 | static int __devinit | |
6950 | ips_insert_device(struct pci_dev *pci_dev, const struct pci_device_id *ent) | |
6951 | { | |
305aad0b | 6952 | int uninitialized_var(index); |
1da177e4 LT |
6953 | int rc; |
6954 | ||
6955 | METHOD_TRACE("ips_insert_device", 1); | |
6956 | if (pci_enable_device(pci_dev)) | |
6957 | return -1; | |
6958 | ||
6959 | rc = ips_init_phase1(pci_dev, &index); | |
6960 | if (rc == SUCCESS) | |
6961 | rc = ips_init_phase2(index); | |
6962 | ||
6963 | if (ips_hotplug) | |
6964 | if (ips_register_scsi(index)) { | |
6965 | ips_free(ips_ha[index]); | |
6966 | rc = -1; | |
6967 | } | |
6968 | ||
6969 | if (rc == SUCCESS) | |
6970 | ips_num_controllers++; | |
6971 | ||
6972 | ips_next_controller = ips_num_controllers; | |
6973 | return rc; | |
6974 | } | |
6975 | ||
6976 | /*---------------------------------------------------------------------------*/ | |
6977 | /* Routine Name: ips_init_phase1 */ | |
6978 | /* */ | |
6979 | /* Routine Description: */ | |
6980 | /* Adapter Initialization */ | |
6981 | /* */ | |
6982 | /* Return Value: */ | |
6983 | /* 0 if Successful, else non-zero */ | |
6984 | /*---------------------------------------------------------------------------*/ | |
6985 | static int | |
6986 | ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr) | |
6987 | { | |
6988 | ips_ha_t *ha; | |
6989 | uint32_t io_addr; | |
6990 | uint32_t mem_addr; | |
6991 | uint32_t io_len; | |
6992 | uint32_t mem_len; | |
1da177e4 LT |
6993 | uint8_t bus; |
6994 | uint8_t func; | |
6995 | uint8_t irq; | |
6996 | uint16_t subdevice_id; | |
6997 | int j; | |
6998 | int index; | |
6999 | dma_addr_t dma_address; | |
7000 | char __iomem *ioremap_ptr; | |
7001 | char __iomem *mem_ptr; | |
7002 | uint32_t IsDead; | |
7003 | ||
7004 | METHOD_TRACE("ips_init_phase1", 1); | |
7005 | index = IPS_MAX_ADAPTERS; | |
7006 | for (j = 0; j < IPS_MAX_ADAPTERS; j++) { | |
7007 | if (ips_ha[j] == 0) { | |
7008 | index = j; | |
7009 | break; | |
7010 | } | |
7011 | } | |
7012 | ||
7013 | if (index >= IPS_MAX_ADAPTERS) | |
7014 | return -1; | |
7015 | ||
7016 | /* stuff that we get in dev */ | |
7017 | irq = pci_dev->irq; | |
7018 | bus = pci_dev->bus->number; | |
7019 | func = pci_dev->devfn; | |
7020 | ||
7021 | /* Init MEM/IO addresses to 0 */ | |
7022 | mem_addr = 0; | |
7023 | io_addr = 0; | |
7024 | mem_len = 0; | |
7025 | io_len = 0; | |
7026 | ||
7027 | for (j = 0; j < 2; j++) { | |
7028 | if (!pci_resource_start(pci_dev, j)) | |
7029 | break; | |
7030 | ||
7031 | if (pci_resource_flags(pci_dev, j) & IORESOURCE_IO) { | |
7032 | io_addr = pci_resource_start(pci_dev, j); | |
7033 | io_len = pci_resource_len(pci_dev, j); | |
7034 | } else { | |
7035 | mem_addr = pci_resource_start(pci_dev, j); | |
7036 | mem_len = pci_resource_len(pci_dev, j); | |
7037 | } | |
7038 | } | |
7039 | ||
7040 | /* setup memory mapped area (if applicable) */ | |
7041 | if (mem_addr) { | |
7042 | uint32_t base; | |
7043 | uint32_t offs; | |
7044 | ||
7045 | if (!request_mem_region(mem_addr, mem_len, "ips")) { | |
7046 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7047 | "Couldn't allocate IO Memory space %x len %d.\n", | |
7048 | mem_addr, mem_len); | |
7049 | return -1; | |
7050 | } | |
7051 | ||
7052 | base = mem_addr & PAGE_MASK; | |
7053 | offs = mem_addr - base; | |
7054 | ioremap_ptr = ioremap(base, PAGE_SIZE); | |
7055 | mem_ptr = ioremap_ptr + offs; | |
7056 | } else { | |
7057 | ioremap_ptr = NULL; | |
7058 | mem_ptr = NULL; | |
7059 | } | |
7060 | ||
7061 | /* setup I/O mapped area (if applicable) */ | |
7062 | if (io_addr) { | |
7063 | if (!request_region(io_addr, io_len, "ips")) { | |
7064 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7065 | "Couldn't allocate IO space %x len %d.\n", | |
7066 | io_addr, io_len); | |
7067 | return -1; | |
7068 | } | |
7069 | } | |
7070 | ||
1da177e4 LT |
7071 | subdevice_id = pci_dev->subsystem_device; |
7072 | ||
7073 | /* found a controller */ | |
dd00cc48 | 7074 | ha = kzalloc(sizeof (ips_ha_t), GFP_KERNEL); |
1da177e4 LT |
7075 | if (ha == NULL) { |
7076 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7077 | "Unable to allocate temporary ha struct\n"); | |
7078 | return -1; | |
7079 | } | |
7080 | ||
1da177e4 LT |
7081 | |
7082 | ips_sh[index] = NULL; | |
7083 | ips_ha[index] = ha; | |
7084 | ha->active = 1; | |
7085 | ||
7086 | /* Store info in HA structure */ | |
7087 | ha->irq = irq; | |
7088 | ha->io_addr = io_addr; | |
7089 | ha->io_len = io_len; | |
7090 | ha->mem_addr = mem_addr; | |
7091 | ha->mem_len = mem_len; | |
7092 | ha->mem_ptr = mem_ptr; | |
7093 | ha->ioremap_ptr = ioremap_ptr; | |
7094 | ha->host_num = (uint32_t) index; | |
44c10138 | 7095 | ha->revision_id = pci_dev->revision; |
1da177e4 LT |
7096 | ha->slot_num = PCI_SLOT(pci_dev->devfn); |
7097 | ha->device_id = pci_dev->device; | |
7098 | ha->subdevice_id = subdevice_id; | |
7099 | ha->pcidev = pci_dev; | |
7100 | ||
7101 | /* | |
7102 | * Set the pci_dev's dma_mask. Not all adapters support 64bit | |
7103 | * addressing so don't enable it if the adapter can't support | |
7104 | * it! Also, don't use 64bit addressing if dma addresses | |
7105 | * are guaranteed to be < 4G. | |
7106 | */ | |
7107 | if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) && | |
910638ae | 7108 | !pci_set_dma_mask(ha->pcidev, DMA_64BIT_MASK)) { |
1da177e4 LT |
7109 | (ha)->flags |= IPS_HA_ENH_SG; |
7110 | } else { | |
910638ae | 7111 | if (pci_set_dma_mask(ha->pcidev, DMA_32BIT_MASK) != 0) { |
1da177e4 LT |
7112 | printk(KERN_WARNING "Unable to set DMA Mask\n"); |
7113 | return ips_abort_init(ha, index); | |
7114 | } | |
7115 | } | |
7116 | if(ips_cd_boot && !ips_FlashData){ | |
7117 | ips_FlashData = pci_alloc_consistent(pci_dev, PAGE_SIZE << 7, | |
7118 | &ips_flashbusaddr); | |
7119 | } | |
7120 | ||
7121 | ha->enq = pci_alloc_consistent(pci_dev, sizeof (IPS_ENQ), | |
7122 | &ha->enq_busaddr); | |
7123 | if (!ha->enq) { | |
7124 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7125 | "Unable to allocate host inquiry structure\n"); | |
7126 | return ips_abort_init(ha, index); | |
7127 | } | |
7128 | ||
7129 | ha->adapt = pci_alloc_consistent(pci_dev, sizeof (IPS_ADAPTER) + | |
7130 | sizeof (IPS_IO_CMD), &dma_address); | |
7131 | if (!ha->adapt) { | |
7132 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7133 | "Unable to allocate host adapt & dummy structures\n"); | |
7134 | return ips_abort_init(ha, index); | |
7135 | } | |
7136 | ha->adapt->hw_status_start = dma_address; | |
7137 | ha->dummy = (void *) (ha->adapt + 1); | |
7138 | ||
7139 | ||
7140 | ||
7141 | ha->logical_drive_info = pci_alloc_consistent(pci_dev, sizeof (IPS_LD_INFO), &dma_address); | |
7142 | if (!ha->logical_drive_info) { | |
7143 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7144 | "Unable to allocate logical drive info structure\n"); | |
7145 | return ips_abort_init(ha, index); | |
7146 | } | |
7147 | ha->logical_drive_info_dma_addr = dma_address; | |
7148 | ||
7149 | ||
7150 | ha->conf = kmalloc(sizeof (IPS_CONF), GFP_KERNEL); | |
7151 | ||
7152 | if (!ha->conf) { | |
7153 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7154 | "Unable to allocate host conf structure\n"); | |
7155 | return ips_abort_init(ha, index); | |
7156 | } | |
7157 | ||
7158 | ha->nvram = kmalloc(sizeof (IPS_NVRAM_P5), GFP_KERNEL); | |
7159 | ||
7160 | if (!ha->nvram) { | |
7161 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7162 | "Unable to allocate host NVRAM structure\n"); | |
7163 | return ips_abort_init(ha, index); | |
7164 | } | |
7165 | ||
7166 | ha->subsys = kmalloc(sizeof (IPS_SUBSYS), GFP_KERNEL); | |
7167 | ||
7168 | if (!ha->subsys) { | |
7169 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7170 | "Unable to allocate host subsystem structure\n"); | |
7171 | return ips_abort_init(ha, index); | |
7172 | } | |
7173 | ||
7174 | /* the ioctl buffer is now used during adapter initialization, so its | |
7175 | * successful allocation is now required */ | |
7176 | if (ips_ioctlsize < PAGE_SIZE) | |
7177 | ips_ioctlsize = PAGE_SIZE; | |
7178 | ||
7179 | ha->ioctl_data = pci_alloc_consistent(pci_dev, ips_ioctlsize, | |
7180 | &ha->ioctl_busaddr); | |
7181 | ha->ioctl_len = ips_ioctlsize; | |
7182 | if (!ha->ioctl_data) { | |
7183 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7184 | "Unable to allocate IOCTL data\n"); | |
7185 | return ips_abort_init(ha, index); | |
7186 | } | |
7187 | ||
7188 | /* | |
7189 | * Setup Functions | |
7190 | */ | |
7191 | ips_setup_funclist(ha); | |
7192 | ||
7193 | if ((IPS_IS_MORPHEUS(ha)) || (IPS_IS_MARCO(ha))) { | |
7194 | /* If Morpheus appears dead, reset it */ | |
7195 | IsDead = readl(ha->mem_ptr + IPS_REG_I960_MSG1); | |
7196 | if (IsDead == 0xDEADBEEF) { | |
7197 | ips_reset_morpheus(ha); | |
7198 | } | |
7199 | } | |
7200 | ||
7201 | /* | |
7202 | * Initialize the card if it isn't already | |
7203 | */ | |
7204 | ||
7205 | if (!(*ha->func.isinit) (ha)) { | |
7206 | if (!(*ha->func.init) (ha)) { | |
7207 | /* | |
7208 | * Initialization failed | |
7209 | */ | |
7210 | IPS_PRINTK(KERN_WARNING, pci_dev, | |
7211 | "Unable to initialize controller\n"); | |
7212 | return ips_abort_init(ha, index); | |
7213 | } | |
7214 | } | |
7215 | ||
7216 | *indexPtr = index; | |
7217 | return SUCCESS; | |
7218 | } | |
7219 | ||
7220 | /*---------------------------------------------------------------------------*/ | |
7221 | /* Routine Name: ips_init_phase2 */ | |
7222 | /* */ | |
7223 | /* Routine Description: */ | |
7224 | /* Adapter Initialization Phase 2 */ | |
7225 | /* */ | |
7226 | /* Return Value: */ | |
7227 | /* 0 if Successful, else non-zero */ | |
7228 | /*---------------------------------------------------------------------------*/ | |
7229 | static int | |
7230 | ips_init_phase2(int index) | |
7231 | { | |
7232 | ips_ha_t *ha; | |
7233 | ||
7234 | ha = ips_ha[index]; | |
7235 | ||
7236 | METHOD_TRACE("ips_init_phase2", 1); | |
7237 | if (!ha->active) { | |
7238 | ips_ha[index] = NULL; | |
7239 | return -1; | |
7240 | } | |
7241 | ||
7242 | /* Install the interrupt handler */ | |
1d6f359a | 7243 | if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) { |
1da177e4 LT |
7244 | IPS_PRINTK(KERN_WARNING, ha->pcidev, |
7245 | "Unable to install interrupt handler\n"); | |
7246 | return ips_abort_init(ha, index); | |
7247 | } | |
7248 | ||
7249 | /* | |
7250 | * Allocate a temporary SCB for initialization | |
7251 | */ | |
7252 | ha->max_cmds = 1; | |
7253 | if (!ips_allocatescbs(ha)) { | |
7254 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
7255 | "Unable to allocate a CCB\n"); | |
7256 | free_irq(ha->irq, ha); | |
7257 | return ips_abort_init(ha, index); | |
7258 | } | |
7259 | ||
7260 | if (!ips_hainit(ha)) { | |
7261 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
7262 | "Unable to initialize controller\n"); | |
7263 | free_irq(ha->irq, ha); | |
7264 | return ips_abort_init(ha, index); | |
7265 | } | |
7266 | /* Free the temporary SCB */ | |
7267 | ips_deallocatescbs(ha, 1); | |
7268 | ||
7269 | /* allocate CCBs */ | |
7270 | if (!ips_allocatescbs(ha)) { | |
7271 | IPS_PRINTK(KERN_WARNING, ha->pcidev, | |
7272 | "Unable to allocate CCBs\n"); | |
7273 | free_irq(ha->irq, ha); | |
7274 | return ips_abort_init(ha, index); | |
7275 | } | |
7276 | ||
7277 | return SUCCESS; | |
7278 | } | |
7279 | ||
1da177e4 | 7280 | MODULE_LICENSE("GPL"); |
1da177e4 | 7281 | MODULE_DESCRIPTION("IBM ServeRAID Adapter Driver " IPS_VER_STRING); |
1da177e4 | 7282 | MODULE_VERSION(IPS_VER_STRING); |
1da177e4 LT |
7283 | |
7284 | ||
7285 | /* | |
7286 | * Overrides for Emacs so that we almost follow Linus's tabbing style. | |
7287 | * Emacs will notice this stuff at the end of the file and automatically | |
7288 | * adjust the settings for this buffer only. This must remain at the end | |
7289 | * of the file. | |
7290 | * --------------------------------------------------------------------------- | |
7291 | * Local variables: | |
7292 | * c-indent-level: 2 | |
7293 | * c-brace-imaginary-offset: 0 | |
7294 | * c-brace-offset: -2 | |
7295 | * c-argdecl-indent: 2 | |
7296 | * c-label-offset: -2 | |
7297 | * c-continued-statement-offset: 2 | |
7298 | * c-continued-brace-offset: 0 | |
7299 | * indent-tabs-mode: nil | |
7300 | * tab-width: 8 | |
7301 | * End: | |
7302 | */ |