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1da177e4 LT |
1 | /*************************************************************************** |
2 | dpti.c - description | |
3 | ------------------- | |
4 | begin : Thu Sep 7 2000 | |
5 | copyright : (C) 2000 by Adaptec | |
6 | ||
7 | July 30, 2001 First version being submitted | |
8 | for inclusion in the kernel. V2.4 | |
9 | ||
10 | See Documentation/scsi/dpti.txt for history, notes, license info | |
11 | and credits | |
12 | ***************************************************************************/ | |
13 | ||
14 | /*************************************************************************** | |
15 | * * | |
16 | * This program is free software; you can redistribute it and/or modify * | |
17 | * it under the terms of the GNU General Public License as published by * | |
18 | * the Free Software Foundation; either version 2 of the License, or * | |
19 | * (at your option) any later version. * | |
20 | * * | |
21 | ***************************************************************************/ | |
22 | /*************************************************************************** | |
23 | * Sat Dec 20 2003 Go Taniguchi <go@turbolinux.co.jp> | |
24 | - Support 2.6 kernel and DMA-mapping | |
25 | - ioctl fix for raid tools | |
26 | - use schedule_timeout in long long loop | |
27 | **************************************************************************/ | |
28 | ||
29 | /*#define DEBUG 1 */ | |
30 | /*#define UARTDELAY 1 */ | |
31 | ||
1da177e4 LT |
32 | #include <linux/module.h> |
33 | ||
34 | MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn"); | |
35 | MODULE_DESCRIPTION("Adaptec I2O RAID Driver"); | |
36 | ||
37 | //////////////////////////////////////////////////////////////// | |
38 | ||
39 | #include <linux/ioctl.h> /* For SCSI-Passthrough */ | |
40 | #include <asm/uaccess.h> | |
41 | ||
42 | #include <linux/stat.h> | |
43 | #include <linux/slab.h> /* for kmalloc() */ | |
1da177e4 LT |
44 | #include <linux/pci.h> /* for PCI support */ |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/blkdev.h> | |
47 | #include <linux/delay.h> /* for udelay */ | |
48 | #include <linux/interrupt.h> | |
49 | #include <linux/kernel.h> /* for printk */ | |
50 | #include <linux/sched.h> | |
51 | #include <linux/reboot.h> | |
52 | #include <linux/spinlock.h> | |
910638ae | 53 | #include <linux/dma-mapping.h> |
1da177e4 LT |
54 | |
55 | #include <linux/timer.h> | |
56 | #include <linux/string.h> | |
57 | #include <linux/ioport.h> | |
0b950672 | 58 | #include <linux/mutex.h> |
1da177e4 LT |
59 | |
60 | #include <asm/processor.h> /* for boot_cpu_data */ | |
61 | #include <asm/pgtable.h> | |
62 | #include <asm/io.h> /* for virt_to_bus, etc. */ | |
63 | ||
64 | #include <scsi/scsi.h> | |
65 | #include <scsi/scsi_cmnd.h> | |
66 | #include <scsi/scsi_device.h> | |
67 | #include <scsi/scsi_host.h> | |
68 | #include <scsi/scsi_tcq.h> | |
69 | ||
70 | #include "dpt/dptsig.h" | |
71 | #include "dpti.h" | |
72 | ||
73 | /*============================================================================ | |
74 | * Create a binary signature - this is read by dptsig | |
75 | * Needed for our management apps | |
76 | *============================================================================ | |
77 | */ | |
c45d15d2 | 78 | static DEFINE_MUTEX(adpt_mutex); |
1da177e4 LT |
79 | static dpt_sig_S DPTI_sig = { |
80 | {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION, | |
81 | #ifdef __i386__ | |
82 | PROC_INTEL, PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, | |
83 | #elif defined(__ia64__) | |
84 | PROC_INTEL, PROC_IA64, | |
85 | #elif defined(__sparc__) | |
86 | PROC_ULTRASPARC, PROC_ULTRASPARC, | |
87 | #elif defined(__alpha__) | |
88 | PROC_ALPHA, PROC_ALPHA, | |
89 | #else | |
90 | (-1),(-1), | |
91 | #endif | |
92 | FT_HBADRVR, 0, OEM_DPT, OS_LINUX, CAP_OVERLAP, DEV_ALL, | |
93 | ADF_ALL_SC5, 0, 0, DPT_VERSION, DPT_REVISION, DPT_SUBREVISION, | |
94 | DPT_MONTH, DPT_DAY, DPT_YEAR, "Adaptec Linux I2O RAID Driver" | |
95 | }; | |
96 | ||
97 | ||
98 | ||
99 | ||
100 | /*============================================================================ | |
101 | * Globals | |
102 | *============================================================================ | |
103 | */ | |
104 | ||
0b950672 | 105 | static DEFINE_MUTEX(adpt_configuration_lock); |
1da177e4 | 106 | |
67af2b06 MS |
107 | static struct i2o_sys_tbl *sys_tbl; |
108 | static dma_addr_t sys_tbl_pa; | |
109 | static int sys_tbl_ind; | |
110 | static int sys_tbl_len; | |
1da177e4 | 111 | |
1da177e4 LT |
112 | static adpt_hba* hba_chain = NULL; |
113 | static int hba_count = 0; | |
114 | ||
1ed43910 MS |
115 | static struct class *adpt_sysfs_class; |
116 | ||
f4927c45 | 117 | static long adpt_unlocked_ioctl(struct file *, unsigned int, unsigned long); |
62ac5aed MS |
118 | #ifdef CONFIG_COMPAT |
119 | static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long); | |
120 | #endif | |
121 | ||
00977a59 | 122 | static const struct file_operations adpt_fops = { |
f4927c45 | 123 | .unlocked_ioctl = adpt_unlocked_ioctl, |
1da177e4 | 124 | .open = adpt_open, |
62ac5aed MS |
125 | .release = adpt_close, |
126 | #ifdef CONFIG_COMPAT | |
127 | .compat_ioctl = compat_adpt_ioctl, | |
1da177e4 | 128 | #endif |
6038f373 | 129 | .llseek = noop_llseek, |
1da177e4 | 130 | }; |
1da177e4 LT |
131 | |
132 | /* Structures and definitions for synchronous message posting. | |
133 | * See adpt_i2o_post_wait() for description | |
134 | * */ | |
135 | struct adpt_i2o_post_wait_data | |
136 | { | |
137 | int status; | |
138 | u32 id; | |
139 | adpt_wait_queue_head_t *wq; | |
140 | struct adpt_i2o_post_wait_data *next; | |
141 | }; | |
142 | ||
143 | static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL; | |
144 | static u32 adpt_post_wait_id = 0; | |
145 | static DEFINE_SPINLOCK(adpt_post_wait_lock); | |
146 | ||
147 | ||
148 | /*============================================================================ | |
149 | * Functions | |
150 | *============================================================================ | |
151 | */ | |
152 | ||
62ac5aed MS |
153 | static inline int dpt_dma64(adpt_hba *pHba) |
154 | { | |
155 | return (sizeof(dma_addr_t) > 4 && (pHba)->dma64); | |
156 | } | |
157 | ||
67af2b06 MS |
158 | static inline u32 dma_high(dma_addr_t addr) |
159 | { | |
160 | return upper_32_bits(addr); | |
161 | } | |
162 | ||
163 | static inline u32 dma_low(dma_addr_t addr) | |
164 | { | |
165 | return (u32)addr; | |
166 | } | |
167 | ||
1da177e4 LT |
168 | static u8 adpt_read_blink_led(adpt_hba* host) |
169 | { | |
172c122d | 170 | if (host->FwDebugBLEDflag_P) { |
1da177e4 LT |
171 | if( readb(host->FwDebugBLEDflag_P) == 0xbc ){ |
172 | return readb(host->FwDebugBLEDvalue_P); | |
173 | } | |
174 | } | |
175 | return 0; | |
176 | } | |
177 | ||
178 | /*============================================================================ | |
179 | * Scsi host template interface functions | |
180 | *============================================================================ | |
181 | */ | |
182 | ||
183 | static struct pci_device_id dptids[] = { | |
184 | { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, | |
185 | { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, | |
186 | { 0, } | |
187 | }; | |
188 | MODULE_DEVICE_TABLE(pci,dptids); | |
189 | ||
24601bbc | 190 | static int adpt_detect(struct scsi_host_template* sht) |
1da177e4 LT |
191 | { |
192 | struct pci_dev *pDev = NULL; | |
229bab6b DC |
193 | adpt_hba *pHba; |
194 | adpt_hba *next; | |
1da177e4 | 195 | |
1da177e4 LT |
196 | PINFO("Detecting Adaptec I2O RAID controllers...\n"); |
197 | ||
198 | /* search for all Adatpec I2O RAID cards */ | |
a07f3537 | 199 | while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) { |
1da177e4 LT |
200 | if(pDev->device == PCI_DPT_DEVICE_ID || |
201 | pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){ | |
24601bbc | 202 | if(adpt_install_hba(sht, pDev) ){ |
1da177e4 LT |
203 | PERROR("Could not Init an I2O RAID device\n"); |
204 | PERROR("Will not try to detect others.\n"); | |
205 | return hba_count-1; | |
206 | } | |
a07f3537 | 207 | pci_dev_get(pDev); |
1da177e4 LT |
208 | } |
209 | } | |
210 | ||
211 | /* In INIT state, Activate IOPs */ | |
229bab6b DC |
212 | for (pHba = hba_chain; pHba; pHba = next) { |
213 | next = pHba->next; | |
1da177e4 LT |
214 | // Activate does get status , init outbound, and get hrt |
215 | if (adpt_i2o_activate_hba(pHba) < 0) { | |
216 | adpt_i2o_delete_hba(pHba); | |
217 | } | |
218 | } | |
219 | ||
220 | ||
221 | /* Active IOPs in HOLD state */ | |
222 | ||
223 | rebuild_sys_tab: | |
224 | if (hba_chain == NULL) | |
225 | return 0; | |
226 | ||
227 | /* | |
228 | * If build_sys_table fails, we kill everything and bail | |
229 | * as we can't init the IOPs w/o a system table | |
230 | */ | |
231 | if (adpt_i2o_build_sys_table() < 0) { | |
232 | adpt_i2o_sys_shutdown(); | |
233 | return 0; | |
234 | } | |
235 | ||
236 | PDEBUG("HBA's in HOLD state\n"); | |
237 | ||
238 | /* If IOP don't get online, we need to rebuild the System table */ | |
239 | for (pHba = hba_chain; pHba; pHba = pHba->next) { | |
240 | if (adpt_i2o_online_hba(pHba) < 0) { | |
241 | adpt_i2o_delete_hba(pHba); | |
242 | goto rebuild_sys_tab; | |
243 | } | |
244 | } | |
245 | ||
246 | /* Active IOPs now in OPERATIONAL state */ | |
247 | PDEBUG("HBA's in OPERATIONAL state\n"); | |
248 | ||
249 | printk("dpti: If you have a lot of devices this could take a few minutes.\n"); | |
229bab6b DC |
250 | for (pHba = hba_chain; pHba; pHba = next) { |
251 | next = pHba->next; | |
1da177e4 LT |
252 | printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name); |
253 | if (adpt_i2o_lct_get(pHba) < 0){ | |
254 | adpt_i2o_delete_hba(pHba); | |
255 | continue; | |
256 | } | |
257 | ||
258 | if (adpt_i2o_parse_lct(pHba) < 0){ | |
259 | adpt_i2o_delete_hba(pHba); | |
260 | continue; | |
261 | } | |
262 | adpt_inquiry(pHba); | |
263 | } | |
264 | ||
1ed43910 MS |
265 | adpt_sysfs_class = class_create(THIS_MODULE, "dpt_i2o"); |
266 | if (IS_ERR(adpt_sysfs_class)) { | |
267 | printk(KERN_WARNING"dpti: unable to create dpt_i2o class\n"); | |
268 | adpt_sysfs_class = NULL; | |
269 | } | |
270 | ||
229bab6b DC |
271 | for (pHba = hba_chain; pHba; pHba = next) { |
272 | next = pHba->next; | |
c864cb14 | 273 | if (adpt_scsi_host_alloc(pHba, sht) < 0){ |
1da177e4 LT |
274 | adpt_i2o_delete_hba(pHba); |
275 | continue; | |
276 | } | |
277 | pHba->initialized = TRUE; | |
278 | pHba->state &= ~DPTI_STATE_RESET; | |
1ed43910 | 279 | if (adpt_sysfs_class) { |
d73a1a67 | 280 | struct device *dev = device_create(adpt_sysfs_class, |
9def0b97 | 281 | NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL, |
1ed43910 MS |
282 | "dpti%d", pHba->unit); |
283 | if (IS_ERR(dev)) { | |
284 | printk(KERN_WARNING"dpti%d: unable to " | |
285 | "create device in dpt_i2o class\n", | |
286 | pHba->unit); | |
287 | } | |
288 | } | |
1da177e4 LT |
289 | } |
290 | ||
291 | // Register our control device node | |
292 | // nodes will need to be created in /dev to access this | |
293 | // the nodes can not be created from within the driver | |
294 | if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) { | |
24601bbc | 295 | adpt_i2o_sys_shutdown(); |
1da177e4 LT |
296 | return 0; |
297 | } | |
298 | return hba_count; | |
299 | } | |
300 | ||
301 | ||
24601bbc AM |
302 | /* |
303 | * scsi_unregister will be called AFTER we return. | |
304 | */ | |
305 | static int adpt_release(struct Scsi_Host *host) | |
1da177e4 | 306 | { |
24601bbc | 307 | adpt_hba* pHba = (adpt_hba*) host->hostdata[0]; |
1da177e4 LT |
308 | // adpt_i2o_quiesce_hba(pHba); |
309 | adpt_i2o_delete_hba(pHba); | |
24601bbc | 310 | scsi_unregister(host); |
1da177e4 LT |
311 | return 0; |
312 | } | |
313 | ||
314 | ||
315 | static void adpt_inquiry(adpt_hba* pHba) | |
316 | { | |
62ac5aed | 317 | u32 msg[17]; |
1da177e4 LT |
318 | u32 *mptr; |
319 | u32 *lenptr; | |
320 | int direction; | |
321 | int scsidir; | |
322 | u32 len; | |
323 | u32 reqlen; | |
324 | u8* buf; | |
67af2b06 | 325 | dma_addr_t addr; |
1da177e4 LT |
326 | u8 scb[16]; |
327 | s32 rcode; | |
328 | ||
329 | memset(msg, 0, sizeof(msg)); | |
67af2b06 | 330 | buf = dma_alloc_coherent(&pHba->pDev->dev, 80, &addr, GFP_KERNEL); |
1da177e4 LT |
331 | if(!buf){ |
332 | printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name); | |
333 | return; | |
334 | } | |
335 | memset((void*)buf, 0, 36); | |
336 | ||
337 | len = 36; | |
338 | direction = 0x00000000; | |
339 | scsidir =0x40000000; // DATA IN (iop<--dev) | |
340 | ||
62ac5aed MS |
341 | if (dpt_dma64(pHba)) |
342 | reqlen = 17; // SINGLE SGE, 64 bit | |
343 | else | |
344 | reqlen = 14; // SINGLE SGE, 32 bit | |
1da177e4 LT |
345 | /* Stick the headers on */ |
346 | msg[0] = reqlen<<16 | SGL_OFFSET_12; | |
347 | msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID); | |
348 | msg[2] = 0; | |
349 | msg[3] = 0; | |
350 | // Adaptec/DPT Private stuff | |
351 | msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16; | |
352 | msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/; | |
353 | /* Direction, disconnect ok | sense data | simple queue , CDBLen */ | |
354 | // I2O_SCB_FLAG_ENABLE_DISCONNECT | | |
355 | // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG | | |
356 | // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; | |
357 | msg[6] = scsidir|0x20a00000| 6 /* cmd len*/; | |
358 | ||
359 | mptr=msg+7; | |
360 | ||
361 | memset(scb, 0, sizeof(scb)); | |
362 | // Write SCSI command into the message - always 16 byte block | |
363 | scb[0] = INQUIRY; | |
364 | scb[1] = 0; | |
365 | scb[2] = 0; | |
366 | scb[3] = 0; | |
367 | scb[4] = 36; | |
368 | scb[5] = 0; | |
369 | // Don't care about the rest of scb | |
370 | ||
371 | memcpy(mptr, scb, sizeof(scb)); | |
372 | mptr+=4; | |
373 | lenptr=mptr++; /* Remember me - fill in when we know */ | |
374 | ||
375 | /* Now fill in the SGList and command */ | |
376 | *lenptr = len; | |
62ac5aed MS |
377 | if (dpt_dma64(pHba)) { |
378 | *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */ | |
379 | *mptr++ = 1 << PAGE_SHIFT; | |
380 | *mptr++ = 0xD0000000|direction|len; | |
381 | *mptr++ = dma_low(addr); | |
382 | *mptr++ = dma_high(addr); | |
383 | } else { | |
384 | *mptr++ = 0xD0000000|direction|len; | |
385 | *mptr++ = addr; | |
386 | } | |
1da177e4 LT |
387 | |
388 | // Send it on it's way | |
389 | rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120); | |
390 | if (rcode != 0) { | |
391 | sprintf(pHba->detail, "Adaptec I2O RAID"); | |
392 | printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode); | |
393 | if (rcode != -ETIME && rcode != -EINTR) | |
67af2b06 | 394 | dma_free_coherent(&pHba->pDev->dev, 80, buf, addr); |
1da177e4 LT |
395 | } else { |
396 | memset(pHba->detail, 0, sizeof(pHba->detail)); | |
397 | memcpy(&(pHba->detail), "Vendor: Adaptec ", 16); | |
398 | memcpy(&(pHba->detail[16]), " Model: ", 8); | |
399 | memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16); | |
400 | memcpy(&(pHba->detail[40]), " FW: ", 4); | |
401 | memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4); | |
402 | pHba->detail[48] = '\0'; /* precautionary */ | |
67af2b06 | 403 | dma_free_coherent(&pHba->pDev->dev, 80, buf, addr); |
1da177e4 LT |
404 | } |
405 | adpt_i2o_status_get(pHba); | |
406 | return ; | |
407 | } | |
408 | ||
409 | ||
410 | static int adpt_slave_configure(struct scsi_device * device) | |
411 | { | |
412 | struct Scsi_Host *host = device->host; | |
413 | adpt_hba* pHba; | |
414 | ||
415 | pHba = (adpt_hba *) host->hostdata[0]; | |
416 | ||
417 | if (host->can_queue && device->tagged_supported) { | |
418 | scsi_adjust_queue_depth(device, MSG_SIMPLE_TAG, | |
419 | host->can_queue - 1); | |
420 | } else { | |
421 | scsi_adjust_queue_depth(device, 0, 1); | |
422 | } | |
423 | return 0; | |
424 | } | |
425 | ||
f281233d | 426 | static int adpt_queue_lck(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *)) |
1da177e4 LT |
427 | { |
428 | adpt_hba* pHba = NULL; | |
429 | struct adpt_device* pDev = NULL; /* dpt per device information */ | |
1da177e4 LT |
430 | |
431 | cmd->scsi_done = done; | |
432 | /* | |
433 | * SCSI REQUEST_SENSE commands will be executed automatically by the | |
434 | * Host Adapter for any errors, so they should not be executed | |
435 | * explicitly unless the Sense Data is zero indicating that no error | |
436 | * occurred. | |
437 | */ | |
438 | ||
439 | if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) { | |
440 | cmd->result = (DID_OK << 16); | |
441 | cmd->scsi_done(cmd); | |
442 | return 0; | |
443 | } | |
444 | ||
445 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; | |
446 | if (!pHba) { | |
447 | return FAILED; | |
448 | } | |
449 | ||
450 | rmb(); | |
1f8c88c3 | 451 | if ((pHba->state) & DPTI_STATE_RESET) { |
1da177e4 LT |
452 | pHba->host->last_reset = jiffies; |
453 | pHba->host->resetting = 1; | |
454 | return 1; | |
455 | } | |
456 | ||
1da177e4 LT |
457 | // TODO if the cmd->device if offline then I may need to issue a bus rescan |
458 | // followed by a get_lct to see if the device is there anymore | |
459 | if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) { | |
460 | /* | |
461 | * First command request for this device. Set up a pointer | |
462 | * to the device structure. This should be a TEST_UNIT_READY | |
463 | * command from scan_scsis_single. | |
464 | */ | |
465 | if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun)) == NULL) { | |
466 | // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response | |
467 | // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue. | |
468 | cmd->result = (DID_NO_CONNECT << 16); | |
469 | cmd->scsi_done(cmd); | |
470 | return 0; | |
471 | } | |
472 | cmd->device->hostdata = pDev; | |
473 | } | |
474 | pDev->pScsi_dev = cmd->device; | |
475 | ||
476 | /* | |
477 | * If we are being called from when the device is being reset, | |
478 | * delay processing of the command until later. | |
479 | */ | |
480 | if (pDev->state & DPTI_DEV_RESET ) { | |
481 | return FAILED; | |
482 | } | |
483 | return adpt_scsi_to_i2o(pHba, cmd, pDev); | |
484 | } | |
485 | ||
f281233d JG |
486 | static DEF_SCSI_QCMD(adpt_queue) |
487 | ||
1da177e4 LT |
488 | static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev, |
489 | sector_t capacity, int geom[]) | |
490 | { | |
491 | int heads=-1; | |
492 | int sectors=-1; | |
493 | int cylinders=-1; | |
494 | ||
495 | // *** First lets set the default geometry **** | |
496 | ||
497 | // If the capacity is less than ox2000 | |
498 | if (capacity < 0x2000 ) { // floppy | |
499 | heads = 18; | |
500 | sectors = 2; | |
501 | } | |
502 | // else if between 0x2000 and 0x20000 | |
503 | else if (capacity < 0x20000) { | |
504 | heads = 64; | |
505 | sectors = 32; | |
506 | } | |
507 | // else if between 0x20000 and 0x40000 | |
508 | else if (capacity < 0x40000) { | |
509 | heads = 65; | |
510 | sectors = 63; | |
511 | } | |
512 | // else if between 0x4000 and 0x80000 | |
513 | else if (capacity < 0x80000) { | |
514 | heads = 128; | |
515 | sectors = 63; | |
516 | } | |
517 | // else if greater than 0x80000 | |
518 | else { | |
519 | heads = 255; | |
520 | sectors = 63; | |
521 | } | |
522 | cylinders = sector_div(capacity, heads * sectors); | |
523 | ||
524 | // Special case if CDROM | |
525 | if(sdev->type == 5) { // CDROM | |
526 | heads = 252; | |
527 | sectors = 63; | |
528 | cylinders = 1111; | |
529 | } | |
530 | ||
531 | geom[0] = heads; | |
532 | geom[1] = sectors; | |
533 | geom[2] = cylinders; | |
534 | ||
535 | PDEBUG("adpt_bios_param: exit\n"); | |
536 | return 0; | |
537 | } | |
538 | ||
539 | ||
540 | static const char *adpt_info(struct Scsi_Host *host) | |
541 | { | |
542 | adpt_hba* pHba; | |
543 | ||
544 | pHba = (adpt_hba *) host->hostdata[0]; | |
545 | return (char *) (pHba->detail); | |
546 | } | |
547 | ||
ff98f7ce | 548 | static int adpt_show_info(struct seq_file *m, struct Scsi_Host *host) |
1da177e4 LT |
549 | { |
550 | struct adpt_device* d; | |
551 | int id; | |
552 | int chan; | |
1da177e4 LT |
553 | adpt_hba* pHba; |
554 | int unit; | |
555 | ||
1da177e4 | 556 | // Find HBA (host bus adapter) we are looking for |
0b950672 | 557 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
558 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
559 | if (pHba->host == host) { | |
560 | break; /* found adapter */ | |
561 | } | |
562 | } | |
0b950672 | 563 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
564 | if (pHba == NULL) { |
565 | return 0; | |
566 | } | |
567 | host = pHba->host; | |
568 | ||
ff98f7ce AV |
569 | seq_printf(m, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION); |
570 | seq_printf(m, "%s\n", pHba->detail); | |
571 | seq_printf(m, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n", | |
1da177e4 | 572 | pHba->host->host_no, pHba->name, host->irq); |
ff98f7ce | 573 | seq_printf(m, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n", |
1da177e4 LT |
574 | host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize); |
575 | ||
ff98f7ce | 576 | seq_printf(m, "Devices:\n"); |
1da177e4 LT |
577 | for(chan = 0; chan < MAX_CHANNEL; chan++) { |
578 | for(id = 0; id < MAX_ID; id++) { | |
579 | d = pHba->channel[chan].device[id]; | |
ff98f7ce AV |
580 | while(d) { |
581 | seq_printf(m,"\t%-24.24s", d->pScsi_dev->vendor); | |
582 | seq_printf(m," Rev: %-8.8s\n", d->pScsi_dev->rev); | |
1da177e4 LT |
583 | |
584 | unit = d->pI2o_dev->lct_data.tid; | |
ff98f7ce | 585 | seq_printf(m, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n", |
1da177e4 LT |
586 | unit, (int)d->scsi_channel, (int)d->scsi_id, (int)d->scsi_lun, |
587 | scsi_device_online(d->pScsi_dev)? "online":"offline"); | |
1da177e4 LT |
588 | d = d->next_lun; |
589 | } | |
590 | } | |
591 | } | |
ff98f7ce | 592 | return 0; |
1da177e4 LT |
593 | } |
594 | ||
62ac5aed MS |
595 | /* |
596 | * Turn a struct scsi_cmnd * into a unique 32 bit 'context'. | |
597 | */ | |
598 | static u32 adpt_cmd_to_context(struct scsi_cmnd *cmd) | |
599 | { | |
600 | return (u32)cmd->serial_number; | |
601 | } | |
602 | ||
603 | /* | |
604 | * Go from a u32 'context' to a struct scsi_cmnd * . | |
605 | * This could probably be made more efficient. | |
606 | */ | |
607 | static struct scsi_cmnd * | |
608 | adpt_cmd_from_context(adpt_hba * pHba, u32 context) | |
609 | { | |
610 | struct scsi_cmnd * cmd; | |
611 | struct scsi_device * d; | |
612 | ||
613 | if (context == 0) | |
614 | return NULL; | |
615 | ||
616 | spin_unlock(pHba->host->host_lock); | |
617 | shost_for_each_device(d, pHba->host) { | |
618 | unsigned long flags; | |
619 | spin_lock_irqsave(&d->list_lock, flags); | |
620 | list_for_each_entry(cmd, &d->cmd_list, list) { | |
621 | if (((u32)cmd->serial_number == context)) { | |
622 | spin_unlock_irqrestore(&d->list_lock, flags); | |
623 | scsi_device_put(d); | |
624 | spin_lock(pHba->host->host_lock); | |
625 | return cmd; | |
626 | } | |
627 | } | |
628 | spin_unlock_irqrestore(&d->list_lock, flags); | |
629 | } | |
630 | spin_lock(pHba->host->host_lock); | |
631 | ||
632 | return NULL; | |
633 | } | |
634 | ||
635 | /* | |
636 | * Turn a pointer to ioctl reply data into an u32 'context' | |
637 | */ | |
638 | static u32 adpt_ioctl_to_context(adpt_hba * pHba, void *reply) | |
639 | { | |
640 | #if BITS_PER_LONG == 32 | |
641 | return (u32)(unsigned long)reply; | |
642 | #else | |
643 | ulong flags = 0; | |
644 | u32 nr, i; | |
645 | ||
646 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
647 | nr = ARRAY_SIZE(pHba->ioctl_reply_context); | |
648 | for (i = 0; i < nr; i++) { | |
649 | if (pHba->ioctl_reply_context[i] == NULL) { | |
650 | pHba->ioctl_reply_context[i] = reply; | |
651 | break; | |
652 | } | |
653 | } | |
654 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
655 | if (i >= nr) { | |
656 | kfree (reply); | |
657 | printk(KERN_WARNING"%s: Too many outstanding " | |
658 | "ioctl commands\n", pHba->name); | |
659 | return (u32)-1; | |
660 | } | |
661 | ||
662 | return i; | |
663 | #endif | |
664 | } | |
665 | ||
666 | /* | |
667 | * Go from an u32 'context' to a pointer to ioctl reply data. | |
668 | */ | |
669 | static void *adpt_ioctl_from_context(adpt_hba *pHba, u32 context) | |
670 | { | |
671 | #if BITS_PER_LONG == 32 | |
672 | return (void *)(unsigned long)context; | |
673 | #else | |
674 | void *p = pHba->ioctl_reply_context[context]; | |
675 | pHba->ioctl_reply_context[context] = NULL; | |
676 | ||
677 | return p; | |
678 | #endif | |
679 | } | |
1da177e4 LT |
680 | |
681 | /*=========================================================================== | |
682 | * Error Handling routines | |
683 | *=========================================================================== | |
684 | */ | |
685 | ||
686 | static int adpt_abort(struct scsi_cmnd * cmd) | |
687 | { | |
688 | adpt_hba* pHba = NULL; /* host bus adapter structure */ | |
689 | struct adpt_device* dptdevice; /* dpt per device information */ | |
690 | u32 msg[5]; | |
691 | int rcode; | |
692 | ||
693 | if(cmd->serial_number == 0){ | |
694 | return FAILED; | |
695 | } | |
696 | pHba = (adpt_hba*) cmd->device->host->hostdata[0]; | |
5cd049a5 | 697 | printk(KERN_INFO"%s: Trying to Abort\n",pHba->name); |
1da177e4 LT |
698 | if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) { |
699 | printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name); | |
700 | return FAILED; | |
701 | } | |
702 | ||
703 | memset(msg, 0, sizeof(msg)); | |
704 | msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0; | |
705 | msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid; | |
706 | msg[2] = 0; | |
707 | msg[3]= 0; | |
62ac5aed | 708 | msg[4] = adpt_cmd_to_context(cmd); |
e5508c13 SM |
709 | if (pHba->host) |
710 | spin_lock_irq(pHba->host->host_lock); | |
711 | rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER); | |
712 | if (pHba->host) | |
713 | spin_unlock_irq(pHba->host->host_lock); | |
714 | if (rcode != 0) { | |
1da177e4 LT |
715 | if(rcode == -EOPNOTSUPP ){ |
716 | printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name); | |
717 | return FAILED; | |
718 | } | |
5cd049a5 | 719 | printk(KERN_INFO"%s: Abort failed.\n",pHba->name); |
1da177e4 LT |
720 | return FAILED; |
721 | } | |
5cd049a5 | 722 | printk(KERN_INFO"%s: Abort complete.\n",pHba->name); |
1da177e4 LT |
723 | return SUCCESS; |
724 | } | |
725 | ||
726 | ||
727 | #define I2O_DEVICE_RESET 0x27 | |
728 | // This is the same for BLK and SCSI devices | |
729 | // NOTE this is wrong in the i2o.h definitions | |
730 | // This is not currently supported by our adapter but we issue it anyway | |
731 | static int adpt_device_reset(struct scsi_cmnd* cmd) | |
732 | { | |
733 | adpt_hba* pHba; | |
734 | u32 msg[4]; | |
735 | u32 rcode; | |
736 | int old_state; | |
1c2fb3f3 | 737 | struct adpt_device* d = cmd->device->hostdata; |
1da177e4 LT |
738 | |
739 | pHba = (void*) cmd->device->host->hostdata[0]; | |
740 | printk(KERN_INFO"%s: Trying to reset device\n",pHba->name); | |
741 | if (!d) { | |
742 | printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name); | |
743 | return FAILED; | |
744 | } | |
745 | memset(msg, 0, sizeof(msg)); | |
746 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; | |
747 | msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid); | |
748 | msg[2] = 0; | |
749 | msg[3] = 0; | |
750 | ||
e5508c13 SM |
751 | if (pHba->host) |
752 | spin_lock_irq(pHba->host->host_lock); | |
1da177e4 LT |
753 | old_state = d->state; |
754 | d->state |= DPTI_DEV_RESET; | |
e5508c13 SM |
755 | rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER); |
756 | d->state = old_state; | |
757 | if (pHba->host) | |
758 | spin_unlock_irq(pHba->host->host_lock); | |
759 | if (rcode != 0) { | |
1da177e4 LT |
760 | if(rcode == -EOPNOTSUPP ){ |
761 | printk(KERN_INFO"%s: Device reset not supported\n",pHba->name); | |
762 | return FAILED; | |
763 | } | |
764 | printk(KERN_INFO"%s: Device reset failed\n",pHba->name); | |
765 | return FAILED; | |
766 | } else { | |
1da177e4 LT |
767 | printk(KERN_INFO"%s: Device reset successful\n",pHba->name); |
768 | return SUCCESS; | |
769 | } | |
770 | } | |
771 | ||
772 | ||
773 | #define I2O_HBA_BUS_RESET 0x87 | |
774 | // This version of bus reset is called by the eh_error handler | |
775 | static int adpt_bus_reset(struct scsi_cmnd* cmd) | |
776 | { | |
777 | adpt_hba* pHba; | |
778 | u32 msg[4]; | |
e5508c13 | 779 | u32 rcode; |
1da177e4 LT |
780 | |
781 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; | |
782 | memset(msg, 0, sizeof(msg)); | |
783 | printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid ); | |
784 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; | |
785 | msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid); | |
786 | msg[2] = 0; | |
787 | msg[3] = 0; | |
e5508c13 SM |
788 | if (pHba->host) |
789 | spin_lock_irq(pHba->host->host_lock); | |
790 | rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER); | |
791 | if (pHba->host) | |
792 | spin_unlock_irq(pHba->host->host_lock); | |
793 | if (rcode != 0) { | |
1da177e4 LT |
794 | printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name); |
795 | return FAILED; | |
796 | } else { | |
797 | printk(KERN_WARNING"%s: Bus reset success.\n",pHba->name); | |
798 | return SUCCESS; | |
799 | } | |
800 | } | |
801 | ||
802 | // This version of reset is called by the eh_error_handler | |
df0ae249 | 803 | static int __adpt_reset(struct scsi_cmnd* cmd) |
1da177e4 LT |
804 | { |
805 | adpt_hba* pHba; | |
806 | int rcode; | |
807 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; | |
808 | printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n",pHba->name,cmd->device->channel,pHba->channel[cmd->device->channel].tid ); | |
809 | rcode = adpt_hba_reset(pHba); | |
810 | if(rcode == 0){ | |
811 | printk(KERN_WARNING"%s: HBA reset complete\n",pHba->name); | |
812 | return SUCCESS; | |
813 | } else { | |
814 | printk(KERN_WARNING"%s: HBA reset failed (%x)\n",pHba->name, rcode); | |
815 | return FAILED; | |
816 | } | |
817 | } | |
818 | ||
df0ae249 JG |
819 | static int adpt_reset(struct scsi_cmnd* cmd) |
820 | { | |
821 | int rc; | |
822 | ||
823 | spin_lock_irq(cmd->device->host->host_lock); | |
824 | rc = __adpt_reset(cmd); | |
825 | spin_unlock_irq(cmd->device->host->host_lock); | |
826 | ||
827 | return rc; | |
828 | } | |
829 | ||
1da177e4 LT |
830 | // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset |
831 | static int adpt_hba_reset(adpt_hba* pHba) | |
832 | { | |
833 | int rcode; | |
834 | ||
835 | pHba->state |= DPTI_STATE_RESET; | |
836 | ||
837 | // Activate does get status , init outbound, and get hrt | |
838 | if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) { | |
839 | printk(KERN_ERR "%s: Could not activate\n", pHba->name); | |
840 | adpt_i2o_delete_hba(pHba); | |
841 | return rcode; | |
842 | } | |
843 | ||
844 | if ((rcode=adpt_i2o_build_sys_table()) < 0) { | |
845 | adpt_i2o_delete_hba(pHba); | |
846 | return rcode; | |
847 | } | |
848 | PDEBUG("%s: in HOLD state\n",pHba->name); | |
849 | ||
850 | if ((rcode=adpt_i2o_online_hba(pHba)) < 0) { | |
851 | adpt_i2o_delete_hba(pHba); | |
852 | return rcode; | |
853 | } | |
854 | PDEBUG("%s: in OPERATIONAL state\n",pHba->name); | |
855 | ||
856 | if ((rcode=adpt_i2o_lct_get(pHba)) < 0){ | |
857 | adpt_i2o_delete_hba(pHba); | |
858 | return rcode; | |
859 | } | |
860 | ||
861 | if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){ | |
862 | adpt_i2o_delete_hba(pHba); | |
863 | return rcode; | |
864 | } | |
865 | pHba->state &= ~DPTI_STATE_RESET; | |
866 | ||
867 | adpt_fail_posted_scbs(pHba); | |
868 | return 0; /* return success */ | |
869 | } | |
870 | ||
871 | /*=========================================================================== | |
872 | * | |
873 | *=========================================================================== | |
874 | */ | |
875 | ||
876 | ||
877 | static void adpt_i2o_sys_shutdown(void) | |
878 | { | |
879 | adpt_hba *pHba, *pNext; | |
458af543 | 880 | struct adpt_i2o_post_wait_data *p1, *old; |
1da177e4 LT |
881 | |
882 | printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n"); | |
883 | printk(KERN_INFO" This could take a few minutes if there are many devices attached\n"); | |
884 | /* Delete all IOPs from the controller chain */ | |
885 | /* They should have already been released by the | |
886 | * scsi-core | |
887 | */ | |
888 | for (pHba = hba_chain; pHba; pHba = pNext) { | |
889 | pNext = pHba->next; | |
890 | adpt_i2o_delete_hba(pHba); | |
891 | } | |
892 | ||
893 | /* Remove any timedout entries from the wait queue. */ | |
1da177e4 LT |
894 | // spin_lock_irqsave(&adpt_post_wait_lock, flags); |
895 | /* Nothing should be outstanding at this point so just | |
896 | * free them | |
897 | */ | |
458af543 AB |
898 | for(p1 = adpt_post_wait_queue; p1;) { |
899 | old = p1; | |
900 | p1 = p1->next; | |
901 | kfree(old); | |
1da177e4 LT |
902 | } |
903 | // spin_unlock_irqrestore(&adpt_post_wait_lock, flags); | |
904 | adpt_post_wait_queue = NULL; | |
905 | ||
906 | printk(KERN_INFO "Adaptec I2O controllers down.\n"); | |
907 | } | |
908 | ||
24601bbc | 909 | static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) |
1da177e4 LT |
910 | { |
911 | ||
912 | adpt_hba* pHba = NULL; | |
913 | adpt_hba* p = NULL; | |
914 | ulong base_addr0_phys = 0; | |
915 | ulong base_addr1_phys = 0; | |
916 | u32 hba_map0_area_size = 0; | |
917 | u32 hba_map1_area_size = 0; | |
918 | void __iomem *base_addr_virt = NULL; | |
919 | void __iomem *msg_addr_virt = NULL; | |
62ac5aed | 920 | int dma64 = 0; |
1da177e4 LT |
921 | |
922 | int raptorFlag = FALSE; | |
1da177e4 LT |
923 | |
924 | if(pci_enable_device(pDev)) { | |
925 | return -EINVAL; | |
926 | } | |
9638d89a SM |
927 | |
928 | if (pci_request_regions(pDev, "dpt_i2o")) { | |
929 | PERROR("dpti: adpt_config_hba: pci request region failed\n"); | |
930 | return -EINVAL; | |
931 | } | |
932 | ||
1da177e4 | 933 | pci_set_master(pDev); |
62ac5aed MS |
934 | |
935 | /* | |
936 | * See if we should enable dma64 mode. | |
937 | */ | |
938 | if (sizeof(dma_addr_t) > 4 && | |
6a35528a | 939 | pci_set_dma_mask(pDev, DMA_BIT_MASK(64)) == 0) { |
284901a9 | 940 | if (dma_get_required_mask(&pDev->dev) > DMA_BIT_MASK(32)) |
62ac5aed MS |
941 | dma64 = 1; |
942 | } | |
284901a9 | 943 | if (!dma64 && pci_set_dma_mask(pDev, DMA_BIT_MASK(32)) != 0) |
1da177e4 LT |
944 | return -EINVAL; |
945 | ||
67af2b06 | 946 | /* adapter only supports message blocks below 4GB */ |
284901a9 | 947 | pci_set_consistent_dma_mask(pDev, DMA_BIT_MASK(32)); |
67af2b06 | 948 | |
1da177e4 LT |
949 | base_addr0_phys = pci_resource_start(pDev,0); |
950 | hba_map0_area_size = pci_resource_len(pDev,0); | |
951 | ||
952 | // Check if standard PCI card or single BAR Raptor | |
953 | if(pDev->device == PCI_DPT_DEVICE_ID){ | |
954 | if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){ | |
955 | // Raptor card with this device id needs 4M | |
956 | hba_map0_area_size = 0x400000; | |
957 | } else { // Not Raptor - it is a PCI card | |
958 | if(hba_map0_area_size > 0x100000 ){ | |
959 | hba_map0_area_size = 0x100000; | |
960 | } | |
961 | } | |
962 | } else {// Raptor split BAR config | |
963 | // Use BAR1 in this configuration | |
964 | base_addr1_phys = pci_resource_start(pDev,1); | |
965 | hba_map1_area_size = pci_resource_len(pDev,1); | |
966 | raptorFlag = TRUE; | |
967 | } | |
968 | ||
62ac5aed MS |
969 | #if BITS_PER_LONG == 64 |
970 | /* | |
971 | * The original Adaptec 64 bit driver has this comment here: | |
972 | * "x86_64 machines need more optimal mappings" | |
973 | * | |
974 | * I assume some HBAs report ridiculously large mappings | |
975 | * and we need to limit them on platforms with IOMMUs. | |
976 | */ | |
977 | if (raptorFlag == TRUE) { | |
978 | if (hba_map0_area_size > 128) | |
979 | hba_map0_area_size = 128; | |
980 | if (hba_map1_area_size > 524288) | |
981 | hba_map1_area_size = 524288; | |
982 | } else { | |
983 | if (hba_map0_area_size > 524288) | |
984 | hba_map0_area_size = 524288; | |
985 | } | |
986 | #endif | |
987 | ||
1da177e4 LT |
988 | base_addr_virt = ioremap(base_addr0_phys,hba_map0_area_size); |
989 | if (!base_addr_virt) { | |
9c472dd9 | 990 | pci_release_regions(pDev); |
1da177e4 LT |
991 | PERROR("dpti: adpt_config_hba: io remap failed\n"); |
992 | return -EINVAL; | |
993 | } | |
994 | ||
995 | if(raptorFlag == TRUE) { | |
996 | msg_addr_virt = ioremap(base_addr1_phys, hba_map1_area_size ); | |
997 | if (!msg_addr_virt) { | |
998 | PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n"); | |
999 | iounmap(base_addr_virt); | |
9c472dd9 | 1000 | pci_release_regions(pDev); |
1da177e4 LT |
1001 | return -EINVAL; |
1002 | } | |
1003 | } else { | |
1004 | msg_addr_virt = base_addr_virt; | |
1005 | } | |
1006 | ||
1007 | // Allocate and zero the data structure | |
bbfbbbc1 MK |
1008 | pHba = kzalloc(sizeof(adpt_hba), GFP_KERNEL); |
1009 | if (!pHba) { | |
1010 | if (msg_addr_virt != base_addr_virt) | |
1da177e4 | 1011 | iounmap(msg_addr_virt); |
1da177e4 | 1012 | iounmap(base_addr_virt); |
9c472dd9 | 1013 | pci_release_regions(pDev); |
1da177e4 LT |
1014 | return -ENOMEM; |
1015 | } | |
1da177e4 | 1016 | |
0b950672 | 1017 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
1018 | |
1019 | if(hba_chain != NULL){ | |
1020 | for(p = hba_chain; p->next; p = p->next); | |
1021 | p->next = pHba; | |
1022 | } else { | |
1023 | hba_chain = pHba; | |
1024 | } | |
1025 | pHba->next = NULL; | |
1026 | pHba->unit = hba_count; | |
23a2bc22 | 1027 | sprintf(pHba->name, "dpti%d", hba_count); |
1da177e4 LT |
1028 | hba_count++; |
1029 | ||
0b950672 | 1030 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1031 | |
1032 | pHba->pDev = pDev; | |
1033 | pHba->base_addr_phys = base_addr0_phys; | |
1034 | ||
1035 | // Set up the Virtual Base Address of the I2O Device | |
1036 | pHba->base_addr_virt = base_addr_virt; | |
1037 | pHba->msg_addr_virt = msg_addr_virt; | |
1038 | pHba->irq_mask = base_addr_virt+0x30; | |
1039 | pHba->post_port = base_addr_virt+0x40; | |
1040 | pHba->reply_port = base_addr_virt+0x44; | |
1041 | ||
1042 | pHba->hrt = NULL; | |
1043 | pHba->lct = NULL; | |
1044 | pHba->lct_size = 0; | |
1045 | pHba->status_block = NULL; | |
1046 | pHba->post_count = 0; | |
1047 | pHba->state = DPTI_STATE_RESET; | |
1048 | pHba->pDev = pDev; | |
1049 | pHba->devices = NULL; | |
62ac5aed | 1050 | pHba->dma64 = dma64; |
1da177e4 LT |
1051 | |
1052 | // Initializing the spinlocks | |
1053 | spin_lock_init(&pHba->state_lock); | |
1054 | spin_lock_init(&adpt_post_wait_lock); | |
1055 | ||
1056 | if(raptorFlag == 0){ | |
62ac5aed MS |
1057 | printk(KERN_INFO "Adaptec I2O RAID controller" |
1058 | " %d at %p size=%x irq=%d%s\n", | |
1059 | hba_count-1, base_addr_virt, | |
1060 | hba_map0_area_size, pDev->irq, | |
1061 | dma64 ? " (64-bit DMA)" : ""); | |
1da177e4 | 1062 | } else { |
62ac5aed MS |
1063 | printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d%s\n", |
1064 | hba_count-1, pDev->irq, | |
1065 | dma64 ? " (64-bit DMA)" : ""); | |
1da177e4 LT |
1066 | printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size); |
1067 | printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size); | |
1068 | } | |
1069 | ||
1d6f359a | 1070 | if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) { |
1da177e4 LT |
1071 | printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq); |
1072 | adpt_i2o_delete_hba(pHba); | |
1073 | return -EINVAL; | |
1074 | } | |
1075 | ||
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | ||
1080 | static void adpt_i2o_delete_hba(adpt_hba* pHba) | |
1081 | { | |
1082 | adpt_hba* p1; | |
1083 | adpt_hba* p2; | |
1084 | struct i2o_device* d; | |
1085 | struct i2o_device* next; | |
1086 | int i; | |
1087 | int j; | |
1088 | struct adpt_device* pDev; | |
1089 | struct adpt_device* pNext; | |
1090 | ||
1091 | ||
0b950672 | 1092 | mutex_lock(&adpt_configuration_lock); |
24601bbc AM |
1093 | // scsi_unregister calls our adpt_release which |
1094 | // does a quiese | |
1da177e4 LT |
1095 | if(pHba->host){ |
1096 | free_irq(pHba->host->irq, pHba); | |
1097 | } | |
1da177e4 LT |
1098 | p2 = NULL; |
1099 | for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){ | |
1100 | if(p1 == pHba) { | |
1101 | if(p2) { | |
1102 | p2->next = p1->next; | |
1103 | } else { | |
1104 | hba_chain = p1->next; | |
1105 | } | |
1106 | break; | |
1107 | } | |
1108 | } | |
1109 | ||
1110 | hba_count--; | |
0b950672 | 1111 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1112 | |
1113 | iounmap(pHba->base_addr_virt); | |
9c472dd9 | 1114 | pci_release_regions(pHba->pDev); |
1da177e4 LT |
1115 | if(pHba->msg_addr_virt != pHba->base_addr_virt){ |
1116 | iounmap(pHba->msg_addr_virt); | |
1117 | } | |
62ac5aed MS |
1118 | if(pHba->FwDebugBuffer_P) |
1119 | iounmap(pHba->FwDebugBuffer_P); | |
67af2b06 MS |
1120 | if(pHba->hrt) { |
1121 | dma_free_coherent(&pHba->pDev->dev, | |
1122 | pHba->hrt->num_entries * pHba->hrt->entry_len << 2, | |
1123 | pHba->hrt, pHba->hrt_pa); | |
1124 | } | |
1125 | if(pHba->lct) { | |
1126 | dma_free_coherent(&pHba->pDev->dev, pHba->lct_size, | |
1127 | pHba->lct, pHba->lct_pa); | |
1128 | } | |
1129 | if(pHba->status_block) { | |
1130 | dma_free_coherent(&pHba->pDev->dev, sizeof(i2o_status_block), | |
1131 | pHba->status_block, pHba->status_block_pa); | |
1132 | } | |
1133 | if(pHba->reply_pool) { | |
1134 | dma_free_coherent(&pHba->pDev->dev, | |
1135 | pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, | |
1136 | pHba->reply_pool, pHba->reply_pool_pa); | |
1137 | } | |
1da177e4 LT |
1138 | |
1139 | for(d = pHba->devices; d ; d = next){ | |
1140 | next = d->next; | |
1141 | kfree(d); | |
1142 | } | |
1143 | for(i = 0 ; i < pHba->top_scsi_channel ; i++){ | |
1144 | for(j = 0; j < MAX_ID; j++){ | |
1145 | if(pHba->channel[i].device[j] != NULL){ | |
1146 | for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){ | |
1147 | pNext = pDev->next_lun; | |
1148 | kfree(pDev); | |
1149 | } | |
1150 | } | |
1151 | } | |
1152 | } | |
a07f3537 | 1153 | pci_dev_put(pHba->pDev); |
1ed43910 MS |
1154 | if (adpt_sysfs_class) |
1155 | device_destroy(adpt_sysfs_class, | |
1156 | MKDEV(DPTI_I2O_MAJOR, pHba->unit)); | |
229bab6b | 1157 | kfree(pHba); |
1ed43910 | 1158 | |
1da177e4 LT |
1159 | if(hba_count <= 0){ |
1160 | unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER); | |
1ed43910 MS |
1161 | if (adpt_sysfs_class) { |
1162 | class_destroy(adpt_sysfs_class); | |
1163 | adpt_sysfs_class = NULL; | |
1164 | } | |
1da177e4 LT |
1165 | } |
1166 | } | |
1167 | ||
1da177e4 LT |
1168 | static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun) |
1169 | { | |
1170 | struct adpt_device* d; | |
1171 | ||
1172 | if(chan < 0 || chan >= MAX_CHANNEL) | |
1173 | return NULL; | |
1174 | ||
1175 | if( pHba->channel[chan].device == NULL){ | |
1176 | printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n"); | |
1177 | return NULL; | |
1178 | } | |
1179 | ||
1180 | d = pHba->channel[chan].device[id]; | |
1181 | if(!d || d->tid == 0) { | |
1182 | return NULL; | |
1183 | } | |
1184 | ||
1185 | /* If it is the only lun at that address then this should match*/ | |
1186 | if(d->scsi_lun == lun){ | |
1187 | return d; | |
1188 | } | |
1189 | ||
1190 | /* else we need to look through all the luns */ | |
1191 | for(d=d->next_lun ; d ; d = d->next_lun){ | |
1192 | if(d->scsi_lun == lun){ | |
1193 | return d; | |
1194 | } | |
1195 | } | |
1196 | return NULL; | |
1197 | } | |
1198 | ||
1199 | ||
1200 | static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout) | |
1201 | { | |
1202 | // I used my own version of the WAIT_QUEUE_HEAD | |
1203 | // to handle some version differences | |
1204 | // When embedded in the kernel this could go back to the vanilla one | |
1205 | ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post); | |
1206 | int status = 0; | |
1207 | ulong flags = 0; | |
1208 | struct adpt_i2o_post_wait_data *p1, *p2; | |
1209 | struct adpt_i2o_post_wait_data *wait_data = | |
da2907ff | 1210 | kmalloc(sizeof(struct adpt_i2o_post_wait_data), GFP_ATOMIC); |
4452ea50 | 1211 | DECLARE_WAITQUEUE(wait, current); |
1da177e4 | 1212 | |
4452ea50 | 1213 | if (!wait_data) |
1da177e4 | 1214 | return -ENOMEM; |
4452ea50 | 1215 | |
1da177e4 LT |
1216 | /* |
1217 | * The spin locking is needed to keep anyone from playing | |
1218 | * with the queue pointers and id while we do the same | |
1219 | */ | |
1220 | spin_lock_irqsave(&adpt_post_wait_lock, flags); | |
1221 | // TODO we need a MORE unique way of getting ids | |
1222 | // to support async LCT get | |
1223 | wait_data->next = adpt_post_wait_queue; | |
1224 | adpt_post_wait_queue = wait_data; | |
1225 | adpt_post_wait_id++; | |
1226 | adpt_post_wait_id &= 0x7fff; | |
1227 | wait_data->id = adpt_post_wait_id; | |
1228 | spin_unlock_irqrestore(&adpt_post_wait_lock, flags); | |
1229 | ||
1230 | wait_data->wq = &adpt_wq_i2o_post; | |
1231 | wait_data->status = -ETIMEDOUT; | |
1232 | ||
4452ea50 | 1233 | add_wait_queue(&adpt_wq_i2o_post, &wait); |
1da177e4 LT |
1234 | |
1235 | msg[2] |= 0x80000000 | ((u32)wait_data->id); | |
1236 | timeout *= HZ; | |
1237 | if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){ | |
1238 | set_current_state(TASK_INTERRUPTIBLE); | |
1239 | if(pHba->host) | |
1240 | spin_unlock_irq(pHba->host->host_lock); | |
1241 | if (!timeout) | |
1242 | schedule(); | |
1243 | else{ | |
1244 | timeout = schedule_timeout(timeout); | |
1245 | if (timeout == 0) { | |
1246 | // I/O issued, but cannot get result in | |
1247 | // specified time. Freeing resorces is | |
1248 | // dangerous. | |
1249 | status = -ETIME; | |
1250 | } | |
1251 | } | |
1252 | if(pHba->host) | |
1253 | spin_lock_irq(pHba->host->host_lock); | |
1254 | } | |
4452ea50 | 1255 | remove_wait_queue(&adpt_wq_i2o_post, &wait); |
1da177e4 LT |
1256 | |
1257 | if(status == -ETIMEDOUT){ | |
1258 | printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit); | |
1259 | // We will have to free the wait_data memory during shutdown | |
1260 | return status; | |
1261 | } | |
1262 | ||
1263 | /* Remove the entry from the queue. */ | |
1264 | p2 = NULL; | |
1265 | spin_lock_irqsave(&adpt_post_wait_lock, flags); | |
1266 | for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) { | |
1267 | if(p1 == wait_data) { | |
1268 | if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) { | |
1269 | status = -EOPNOTSUPP; | |
1270 | } | |
1271 | if(p2) { | |
1272 | p2->next = p1->next; | |
1273 | } else { | |
1274 | adpt_post_wait_queue = p1->next; | |
1275 | } | |
1276 | break; | |
1277 | } | |
1278 | } | |
1279 | spin_unlock_irqrestore(&adpt_post_wait_lock, flags); | |
1280 | ||
1281 | kfree(wait_data); | |
1282 | ||
1283 | return status; | |
1284 | } | |
1285 | ||
1286 | ||
1287 | static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len) | |
1288 | { | |
1289 | ||
1290 | u32 m = EMPTY_QUEUE; | |
1291 | u32 __iomem *msg; | |
1292 | ulong timeout = jiffies + 30*HZ; | |
1293 | do { | |
1294 | rmb(); | |
1295 | m = readl(pHba->post_port); | |
1296 | if (m != EMPTY_QUEUE) { | |
1297 | break; | |
1298 | } | |
1299 | if(time_after(jiffies,timeout)){ | |
1300 | printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit); | |
1301 | return -ETIMEDOUT; | |
1302 | } | |
a9a3047d | 1303 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1304 | } while(m == EMPTY_QUEUE); |
1305 | ||
1306 | msg = pHba->msg_addr_virt + m; | |
1307 | memcpy_toio(msg, data, len); | |
1308 | wmb(); | |
1309 | ||
1310 | //post message | |
1311 | writel(m, pHba->post_port); | |
1312 | wmb(); | |
1313 | ||
1314 | return 0; | |
1315 | } | |
1316 | ||
1317 | ||
1318 | static void adpt_i2o_post_wait_complete(u32 context, int status) | |
1319 | { | |
1320 | struct adpt_i2o_post_wait_data *p1 = NULL; | |
1321 | /* | |
1322 | * We need to search through the adpt_post_wait | |
1323 | * queue to see if the given message is still | |
1324 | * outstanding. If not, it means that the IOP | |
1325 | * took longer to respond to the message than we | |
1326 | * had allowed and timer has already expired. | |
1327 | * Not much we can do about that except log | |
1328 | * it for debug purposes, increase timeout, and recompile | |
1329 | * | |
1330 | * Lock needed to keep anyone from moving queue pointers | |
1331 | * around while we're looking through them. | |
1332 | */ | |
1333 | ||
1334 | context &= 0x7fff; | |
1335 | ||
1336 | spin_lock(&adpt_post_wait_lock); | |
1337 | for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) { | |
1338 | if(p1->id == context) { | |
1339 | p1->status = status; | |
1340 | spin_unlock(&adpt_post_wait_lock); | |
1341 | wake_up_interruptible(p1->wq); | |
1342 | return; | |
1343 | } | |
1344 | } | |
1345 | spin_unlock(&adpt_post_wait_lock); | |
1346 | // If this happens we lose commands that probably really completed | |
1347 | printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context); | |
1348 | printk(KERN_DEBUG" Tasks in wait queue:\n"); | |
1349 | for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) { | |
1350 | printk(KERN_DEBUG" %d\n",p1->id); | |
1351 | } | |
1352 | return; | |
1353 | } | |
1354 | ||
1355 | static s32 adpt_i2o_reset_hba(adpt_hba* pHba) | |
1356 | { | |
1357 | u32 msg[8]; | |
1358 | u8* status; | |
67af2b06 | 1359 | dma_addr_t addr; |
1da177e4 LT |
1360 | u32 m = EMPTY_QUEUE ; |
1361 | ulong timeout = jiffies + (TMOUT_IOPRESET*HZ); | |
1362 | ||
1363 | if(pHba->initialized == FALSE) { // First time reset should be quick | |
1364 | timeout = jiffies + (25*HZ); | |
1365 | } else { | |
1366 | adpt_i2o_quiesce_hba(pHba); | |
1367 | } | |
1368 | ||
1369 | do { | |
1370 | rmb(); | |
1371 | m = readl(pHba->post_port); | |
1372 | if (m != EMPTY_QUEUE) { | |
1373 | break; | |
1374 | } | |
1375 | if(time_after(jiffies,timeout)){ | |
1376 | printk(KERN_WARNING"Timeout waiting for message!\n"); | |
1377 | return -ETIMEDOUT; | |
1378 | } | |
a9a3047d | 1379 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1380 | } while (m == EMPTY_QUEUE); |
1381 | ||
67af2b06 | 1382 | status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL); |
1da177e4 LT |
1383 | if(status == NULL) { |
1384 | adpt_send_nop(pHba, m); | |
1385 | printk(KERN_ERR"IOP reset failed - no free memory.\n"); | |
1386 | return -ENOMEM; | |
1387 | } | |
67af2b06 | 1388 | memset(status,0,4); |
1da177e4 LT |
1389 | |
1390 | msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0; | |
1391 | msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID; | |
1392 | msg[2]=0; | |
1393 | msg[3]=0; | |
1394 | msg[4]=0; | |
1395 | msg[5]=0; | |
67af2b06 MS |
1396 | msg[6]=dma_low(addr); |
1397 | msg[7]=dma_high(addr); | |
1da177e4 LT |
1398 | |
1399 | memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg)); | |
1400 | wmb(); | |
1401 | writel(m, pHba->post_port); | |
1402 | wmb(); | |
1403 | ||
1404 | while(*status == 0){ | |
1405 | if(time_after(jiffies,timeout)){ | |
1406 | printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name); | |
67af2b06 MS |
1407 | /* We lose 4 bytes of "status" here, but we cannot |
1408 | free these because controller may awake and corrupt | |
1409 | those bytes at any time */ | |
1410 | /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */ | |
1da177e4 LT |
1411 | return -ETIMEDOUT; |
1412 | } | |
1413 | rmb(); | |
a9a3047d | 1414 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1415 | } |
1416 | ||
1417 | if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) { | |
1418 | PDEBUG("%s: Reset in progress...\n", pHba->name); | |
1419 | // Here we wait for message frame to become available | |
1420 | // indicated that reset has finished | |
1421 | do { | |
1422 | rmb(); | |
1423 | m = readl(pHba->post_port); | |
1424 | if (m != EMPTY_QUEUE) { | |
1425 | break; | |
1426 | } | |
1427 | if(time_after(jiffies,timeout)){ | |
1428 | printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name); | |
67af2b06 MS |
1429 | /* We lose 4 bytes of "status" here, but we |
1430 | cannot free these because controller may | |
1431 | awake and corrupt those bytes at any time */ | |
1432 | /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */ | |
1da177e4 LT |
1433 | return -ETIMEDOUT; |
1434 | } | |
a9a3047d | 1435 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1436 | } while (m == EMPTY_QUEUE); |
1437 | // Flush the offset | |
1438 | adpt_send_nop(pHba, m); | |
1439 | } | |
1440 | adpt_i2o_status_get(pHba); | |
1441 | if(*status == 0x02 || | |
1442 | pHba->status_block->iop_state != ADAPTER_STATE_RESET) { | |
1443 | printk(KERN_WARNING"%s: Reset reject, trying to clear\n", | |
1444 | pHba->name); | |
1445 | } else { | |
1446 | PDEBUG("%s: Reset completed.\n", pHba->name); | |
1447 | } | |
1448 | ||
67af2b06 | 1449 | dma_free_coherent(&pHba->pDev->dev, 4, status, addr); |
1da177e4 LT |
1450 | #ifdef UARTDELAY |
1451 | // This delay is to allow someone attached to the card through the debug UART to | |
1452 | // set up the dump levels that they want before the rest of the initialization sequence | |
1453 | adpt_delay(20000); | |
1454 | #endif | |
1455 | return 0; | |
1456 | } | |
1457 | ||
1458 | ||
1459 | static int adpt_i2o_parse_lct(adpt_hba* pHba) | |
1460 | { | |
1461 | int i; | |
1462 | int max; | |
1463 | int tid; | |
1464 | struct i2o_device *d; | |
1465 | i2o_lct *lct = pHba->lct; | |
1466 | u8 bus_no = 0; | |
1467 | s16 scsi_id; | |
1468 | s16 scsi_lun; | |
1469 | u32 buf[10]; // larger than 7, or 8 ... | |
1470 | struct adpt_device* pDev; | |
1471 | ||
1472 | if (lct == NULL) { | |
1473 | printk(KERN_ERR "%s: LCT is empty???\n",pHba->name); | |
1474 | return -1; | |
1475 | } | |
1476 | ||
1477 | max = lct->table_size; | |
1478 | max -= 3; | |
1479 | max /= 9; | |
1480 | ||
1481 | for(i=0;i<max;i++) { | |
1482 | if( lct->lct_entry[i].user_tid != 0xfff){ | |
1483 | /* | |
1484 | * If we have hidden devices, we need to inform the upper layers about | |
1485 | * the possible maximum id reference to handle device access when | |
1486 | * an array is disassembled. This code has no other purpose but to | |
1487 | * allow us future access to devices that are currently hidden | |
1488 | * behind arrays, hotspares or have not been configured (JBOD mode). | |
1489 | */ | |
1490 | if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE && | |
1491 | lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL && | |
1492 | lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ | |
1493 | continue; | |
1494 | } | |
1495 | tid = lct->lct_entry[i].tid; | |
1496 | // I2O_DPT_DEVICE_INFO_GROUP_NO; | |
1497 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) { | |
1498 | continue; | |
1499 | } | |
1500 | bus_no = buf[0]>>16; | |
1501 | scsi_id = buf[1]; | |
1502 | scsi_lun = (buf[2]>>8 )&0xff; | |
1503 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it | |
1504 | printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no); | |
1505 | continue; | |
1506 | } | |
1507 | if (scsi_id >= MAX_ID){ | |
1508 | printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no); | |
1509 | continue; | |
1510 | } | |
1511 | if(bus_no > pHba->top_scsi_channel){ | |
1512 | pHba->top_scsi_channel = bus_no; | |
1513 | } | |
1514 | if(scsi_id > pHba->top_scsi_id){ | |
1515 | pHba->top_scsi_id = scsi_id; | |
1516 | } | |
1517 | if(scsi_lun > pHba->top_scsi_lun){ | |
1518 | pHba->top_scsi_lun = scsi_lun; | |
1519 | } | |
1520 | continue; | |
1521 | } | |
5cbded58 | 1522 | d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL); |
1da177e4 LT |
1523 | if(d==NULL) |
1524 | { | |
1525 | printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name); | |
1526 | return -ENOMEM; | |
1527 | } | |
1528 | ||
1c2fb3f3 | 1529 | d->controller = pHba; |
1da177e4 LT |
1530 | d->next = NULL; |
1531 | ||
1532 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); | |
1533 | ||
1534 | d->flags = 0; | |
1535 | tid = d->lct_data.tid; | |
1536 | adpt_i2o_report_hba_unit(pHba, d); | |
1537 | adpt_i2o_install_device(pHba, d); | |
1538 | } | |
1539 | bus_no = 0; | |
1540 | for(d = pHba->devices; d ; d = d->next) { | |
1541 | if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT || | |
1542 | d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){ | |
1543 | tid = d->lct_data.tid; | |
1544 | // TODO get the bus_no from hrt-but for now they are in order | |
1545 | //bus_no = | |
1546 | if(bus_no > pHba->top_scsi_channel){ | |
1547 | pHba->top_scsi_channel = bus_no; | |
1548 | } | |
1549 | pHba->channel[bus_no].type = d->lct_data.class_id; | |
1550 | pHba->channel[bus_no].tid = tid; | |
1551 | if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0) | |
1552 | { | |
1553 | pHba->channel[bus_no].scsi_id = buf[1]; | |
1554 | PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]); | |
1555 | } | |
1556 | // TODO remove - this is just until we get from hrt | |
1557 | bus_no++; | |
1558 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it | |
1559 | printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no); | |
1560 | break; | |
1561 | } | |
1562 | } | |
1563 | } | |
1564 | ||
1565 | // Setup adpt_device table | |
1566 | for(d = pHba->devices; d ; d = d->next) { | |
1567 | if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE || | |
1568 | d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL || | |
1569 | d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ | |
1570 | ||
1571 | tid = d->lct_data.tid; | |
1572 | scsi_id = -1; | |
1573 | // I2O_DPT_DEVICE_INFO_GROUP_NO; | |
1574 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) { | |
1575 | bus_no = buf[0]>>16; | |
1576 | scsi_id = buf[1]; | |
1577 | scsi_lun = (buf[2]>>8 )&0xff; | |
1578 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it | |
1579 | continue; | |
1580 | } | |
1581 | if (scsi_id >= MAX_ID) { | |
1582 | continue; | |
1583 | } | |
1584 | if( pHba->channel[bus_no].device[scsi_id] == NULL){ | |
ab552204 | 1585 | pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
1da177e4 LT |
1586 | if(pDev == NULL) { |
1587 | return -ENOMEM; | |
1588 | } | |
1589 | pHba->channel[bus_no].device[scsi_id] = pDev; | |
1da177e4 LT |
1590 | } else { |
1591 | for( pDev = pHba->channel[bus_no].device[scsi_id]; | |
1592 | pDev->next_lun; pDev = pDev->next_lun){ | |
1593 | } | |
ab552204 | 1594 | pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
1da177e4 LT |
1595 | if(pDev->next_lun == NULL) { |
1596 | return -ENOMEM; | |
1597 | } | |
1da177e4 LT |
1598 | pDev = pDev->next_lun; |
1599 | } | |
1600 | pDev->tid = tid; | |
1601 | pDev->scsi_channel = bus_no; | |
1602 | pDev->scsi_id = scsi_id; | |
1603 | pDev->scsi_lun = scsi_lun; | |
1604 | pDev->pI2o_dev = d; | |
1605 | d->owner = pDev; | |
1606 | pDev->type = (buf[0])&0xff; | |
1607 | pDev->flags = (buf[0]>>8)&0xff; | |
1608 | if(scsi_id > pHba->top_scsi_id){ | |
1609 | pHba->top_scsi_id = scsi_id; | |
1610 | } | |
1611 | if(scsi_lun > pHba->top_scsi_lun){ | |
1612 | pHba->top_scsi_lun = scsi_lun; | |
1613 | } | |
1614 | } | |
1615 | if(scsi_id == -1){ | |
1616 | printk(KERN_WARNING"Could not find SCSI ID for %s\n", | |
1617 | d->lct_data.identity_tag); | |
1618 | } | |
1619 | } | |
1620 | } | |
1621 | return 0; | |
1622 | } | |
1623 | ||
1624 | ||
1625 | /* | |
1626 | * Each I2O controller has a chain of devices on it - these match | |
1627 | * the useful parts of the LCT of the board. | |
1628 | */ | |
1629 | ||
1630 | static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d) | |
1631 | { | |
0b950672 | 1632 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
1633 | d->controller=pHba; |
1634 | d->owner=NULL; | |
1635 | d->next=pHba->devices; | |
1636 | d->prev=NULL; | |
1637 | if (pHba->devices != NULL){ | |
1638 | pHba->devices->prev=d; | |
1639 | } | |
1640 | pHba->devices=d; | |
1641 | *d->dev_name = 0; | |
1642 | ||
0b950672 | 1643 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1644 | return 0; |
1645 | } | |
1646 | ||
1647 | static int adpt_open(struct inode *inode, struct file *file) | |
1648 | { | |
1649 | int minor; | |
1650 | adpt_hba* pHba; | |
1651 | ||
c45d15d2 | 1652 | mutex_lock(&adpt_mutex); |
1da177e4 LT |
1653 | //TODO check for root access |
1654 | // | |
1655 | minor = iminor(inode); | |
1656 | if (minor >= hba_count) { | |
c45d15d2 | 1657 | mutex_unlock(&adpt_mutex); |
1da177e4 LT |
1658 | return -ENXIO; |
1659 | } | |
0b950672 | 1660 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
1661 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
1662 | if (pHba->unit == minor) { | |
1663 | break; /* found adapter */ | |
1664 | } | |
1665 | } | |
1666 | if (pHba == NULL) { | |
0b950672 | 1667 | mutex_unlock(&adpt_configuration_lock); |
c45d15d2 | 1668 | mutex_unlock(&adpt_mutex); |
1da177e4 LT |
1669 | return -ENXIO; |
1670 | } | |
1671 | ||
1672 | // if(pHba->in_use){ | |
0b950672 | 1673 | // mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1674 | // return -EBUSY; |
1675 | // } | |
1676 | ||
1677 | pHba->in_use = 1; | |
0b950672 | 1678 | mutex_unlock(&adpt_configuration_lock); |
c45d15d2 | 1679 | mutex_unlock(&adpt_mutex); |
1da177e4 LT |
1680 | |
1681 | return 0; | |
1682 | } | |
1683 | ||
1684 | static int adpt_close(struct inode *inode, struct file *file) | |
1685 | { | |
1686 | int minor; | |
1687 | adpt_hba* pHba; | |
1688 | ||
1689 | minor = iminor(inode); | |
1690 | if (minor >= hba_count) { | |
1691 | return -ENXIO; | |
1692 | } | |
0b950672 | 1693 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
1694 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
1695 | if (pHba->unit == minor) { | |
1696 | break; /* found adapter */ | |
1697 | } | |
1698 | } | |
0b950672 | 1699 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1700 | if (pHba == NULL) { |
1701 | return -ENXIO; | |
1702 | } | |
1703 | ||
1704 | pHba->in_use = 0; | |
1705 | ||
1706 | return 0; | |
1707 | } | |
1708 | ||
1709 | ||
1710 | static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg) | |
1711 | { | |
1712 | u32 msg[MAX_MESSAGE_SIZE]; | |
1713 | u32* reply = NULL; | |
1714 | u32 size = 0; | |
1715 | u32 reply_size = 0; | |
1716 | u32 __user *user_msg = arg; | |
1717 | u32 __user * user_reply = NULL; | |
1718 | void *sg_list[pHba->sg_tablesize]; | |
1719 | u32 sg_offset = 0; | |
1720 | u32 sg_count = 0; | |
1721 | int sg_index = 0; | |
1722 | u32 i = 0; | |
1723 | u32 rcode = 0; | |
1724 | void *p = NULL; | |
67af2b06 | 1725 | dma_addr_t addr; |
1da177e4 LT |
1726 | ulong flags = 0; |
1727 | ||
1728 | memset(&msg, 0, MAX_MESSAGE_SIZE*4); | |
1729 | // get user msg size in u32s | |
1730 | if(get_user(size, &user_msg[0])){ | |
1731 | return -EFAULT; | |
1732 | } | |
1733 | size = size>>16; | |
1734 | ||
1735 | user_reply = &user_msg[size]; | |
1736 | if(size > MAX_MESSAGE_SIZE){ | |
1737 | return -EFAULT; | |
1738 | } | |
1739 | size *= 4; // Convert to bytes | |
1740 | ||
1741 | /* Copy in the user's I2O command */ | |
1742 | if(copy_from_user(msg, user_msg, size)) { | |
1743 | return -EFAULT; | |
1744 | } | |
1745 | get_user(reply_size, &user_reply[0]); | |
1746 | reply_size = reply_size>>16; | |
1747 | if(reply_size > REPLY_FRAME_SIZE){ | |
1748 | reply_size = REPLY_FRAME_SIZE; | |
1749 | } | |
1750 | reply_size *= 4; | |
ab552204 | 1751 | reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL); |
1da177e4 LT |
1752 | if(reply == NULL) { |
1753 | printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name); | |
1754 | return -ENOMEM; | |
1755 | } | |
1da177e4 LT |
1756 | sg_offset = (msg[0]>>4)&0xf; |
1757 | msg[2] = 0x40000000; // IOCTL context | |
62ac5aed MS |
1758 | msg[3] = adpt_ioctl_to_context(pHba, reply); |
1759 | if (msg[3] == (u32)-1) | |
1760 | return -EBUSY; | |
1761 | ||
1da177e4 LT |
1762 | memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize); |
1763 | if(sg_offset) { | |
62ac5aed | 1764 | // TODO add 64 bit API |
1da177e4 LT |
1765 | struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset); |
1766 | sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element); | |
1767 | if (sg_count > pHba->sg_tablesize){ | |
1768 | printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count); | |
1769 | kfree (reply); | |
1770 | return -EINVAL; | |
1771 | } | |
1772 | ||
1773 | for(i = 0; i < sg_count; i++) { | |
1774 | int sg_size; | |
1775 | ||
1776 | if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) { | |
1777 | printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count); | |
1778 | rcode = -EINVAL; | |
1779 | goto cleanup; | |
1780 | } | |
1781 | sg_size = sg[i].flag_count & 0xffffff; | |
1782 | /* Allocate memory for the transfer */ | |
67af2b06 | 1783 | p = dma_alloc_coherent(&pHba->pDev->dev, sg_size, &addr, GFP_KERNEL); |
1da177e4 LT |
1784 | if(!p) { |
1785 | printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n", | |
1786 | pHba->name,sg_size,i,sg_count); | |
1787 | rcode = -ENOMEM; | |
1788 | goto cleanup; | |
1789 | } | |
1790 | sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame. | |
1791 | /* Copy in the user's SG buffer if necessary */ | |
1792 | if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) { | |
62ac5aed MS |
1793 | // sg_simple_element API is 32 bit |
1794 | if (copy_from_user(p,(void __user *)(ulong)sg[i].addr_bus, sg_size)) { | |
1da177e4 LT |
1795 | printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i); |
1796 | rcode = -EFAULT; | |
1797 | goto cleanup; | |
1798 | } | |
1799 | } | |
62ac5aed MS |
1800 | /* sg_simple_element API is 32 bit, but addr < 4GB */ |
1801 | sg[i].addr_bus = addr; | |
1da177e4 LT |
1802 | } |
1803 | } | |
1804 | ||
1805 | do { | |
1f8c88c3 HR |
1806 | /* |
1807 | * Stop any new commands from enterring the | |
1808 | * controller while processing the ioctl | |
1809 | */ | |
1810 | if (pHba->host) { | |
1811 | scsi_block_requests(pHba->host); | |
1da177e4 | 1812 | spin_lock_irqsave(pHba->host->host_lock, flags); |
1f8c88c3 | 1813 | } |
1da177e4 LT |
1814 | rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER); |
1815 | if (rcode != 0) | |
1816 | printk("adpt_i2o_passthru: post wait failed %d %p\n", | |
1817 | rcode, reply); | |
1f8c88c3 | 1818 | if (pHba->host) { |
1da177e4 | 1819 | spin_unlock_irqrestore(pHba->host->host_lock, flags); |
1f8c88c3 HR |
1820 | scsi_unblock_requests(pHba->host); |
1821 | } | |
1822 | } while (rcode == -ETIMEDOUT); | |
1da177e4 LT |
1823 | |
1824 | if(rcode){ | |
1825 | goto cleanup; | |
1826 | } | |
1827 | ||
1828 | if(sg_offset) { | |
1829 | /* Copy back the Scatter Gather buffers back to user space */ | |
1830 | u32 j; | |
62ac5aed | 1831 | // TODO add 64 bit API |
1da177e4 LT |
1832 | struct sg_simple_element* sg; |
1833 | int sg_size; | |
1834 | ||
1835 | // re-acquire the original message to handle correctly the sg copy operation | |
1836 | memset(&msg, 0, MAX_MESSAGE_SIZE*4); | |
1837 | // get user msg size in u32s | |
1838 | if(get_user(size, &user_msg[0])){ | |
1839 | rcode = -EFAULT; | |
1840 | goto cleanup; | |
1841 | } | |
1842 | size = size>>16; | |
1843 | size *= 4; | |
ef7562b7 | 1844 | if (size > MAX_MESSAGE_SIZE) { |
aefba418 | 1845 | rcode = -EINVAL; |
ef7562b7 AC |
1846 | goto cleanup; |
1847 | } | |
1da177e4 LT |
1848 | /* Copy in the user's I2O command */ |
1849 | if (copy_from_user (msg, user_msg, size)) { | |
1850 | rcode = -EFAULT; | |
1851 | goto cleanup; | |
1852 | } | |
1853 | sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element); | |
1854 | ||
62ac5aed | 1855 | // TODO add 64 bit API |
1da177e4 LT |
1856 | sg = (struct sg_simple_element*)(msg + sg_offset); |
1857 | for (j = 0; j < sg_count; j++) { | |
1858 | /* Copy out the SG list to user's buffer if necessary */ | |
1859 | if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) { | |
1860 | sg_size = sg[j].flag_count & 0xffffff; | |
62ac5aed MS |
1861 | // sg_simple_element API is 32 bit |
1862 | if (copy_to_user((void __user *)(ulong)sg[j].addr_bus,sg_list[j], sg_size)) { | |
1da177e4 LT |
1863 | printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus); |
1864 | rcode = -EFAULT; | |
1865 | goto cleanup; | |
1866 | } | |
1867 | } | |
1868 | } | |
1869 | } | |
1870 | ||
1871 | /* Copy back the reply to user space */ | |
1872 | if (reply_size) { | |
1873 | // we wrote our own values for context - now restore the user supplied ones | |
1874 | if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) { | |
1875 | printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name); | |
1876 | rcode = -EFAULT; | |
1877 | } | |
1878 | if(copy_to_user(user_reply, reply, reply_size)) { | |
1879 | printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name); | |
1880 | rcode = -EFAULT; | |
1881 | } | |
1882 | } | |
1883 | ||
1884 | ||
1885 | cleanup: | |
67af2b06 MS |
1886 | if (rcode != -ETIME && rcode != -EINTR) { |
1887 | struct sg_simple_element *sg = | |
1888 | (struct sg_simple_element*) (msg +sg_offset); | |
1da177e4 | 1889 | kfree (reply); |
67af2b06 MS |
1890 | while(sg_index) { |
1891 | if(sg_list[--sg_index]) { | |
1892 | dma_free_coherent(&pHba->pDev->dev, | |
1893 | sg[sg_index].flag_count & 0xffffff, | |
1894 | sg_list[sg_index], | |
1895 | sg[sg_index].addr_bus); | |
1896 | } | |
1da177e4 LT |
1897 | } |
1898 | } | |
1899 | return rcode; | |
1900 | } | |
1901 | ||
1da177e4 LT |
1902 | #if defined __ia64__ |
1903 | static void adpt_ia64_info(sysInfo_S* si) | |
1904 | { | |
1905 | // This is all the info we need for now | |
1906 | // We will add more info as our new | |
1907 | // managmenent utility requires it | |
1908 | si->processorType = PROC_IA64; | |
1909 | } | |
1910 | #endif | |
1911 | ||
1da177e4 LT |
1912 | #if defined __sparc__ |
1913 | static void adpt_sparc_info(sysInfo_S* si) | |
1914 | { | |
1915 | // This is all the info we need for now | |
1916 | // We will add more info as our new | |
1917 | // managmenent utility requires it | |
1918 | si->processorType = PROC_ULTRASPARC; | |
1919 | } | |
1920 | #endif | |
1da177e4 LT |
1921 | #if defined __alpha__ |
1922 | static void adpt_alpha_info(sysInfo_S* si) | |
1923 | { | |
1924 | // This is all the info we need for now | |
1925 | // We will add more info as our new | |
1926 | // managmenent utility requires it | |
1927 | si->processorType = PROC_ALPHA; | |
1928 | } | |
1929 | #endif | |
1930 | ||
1931 | #if defined __i386__ | |
1da177e4 LT |
1932 | static void adpt_i386_info(sysInfo_S* si) |
1933 | { | |
1934 | // This is all the info we need for now | |
1935 | // We will add more info as our new | |
1936 | // managmenent utility requires it | |
1937 | switch (boot_cpu_data.x86) { | |
1938 | case CPU_386: | |
1939 | si->processorType = PROC_386; | |
1940 | break; | |
1941 | case CPU_486: | |
1942 | si->processorType = PROC_486; | |
1943 | break; | |
1944 | case CPU_586: | |
1945 | si->processorType = PROC_PENTIUM; | |
1946 | break; | |
1947 | default: // Just in case | |
1948 | si->processorType = PROC_PENTIUM; | |
1949 | break; | |
1950 | } | |
1951 | } | |
8b2cc917 AM |
1952 | #endif |
1953 | ||
1954 | /* | |
1955 | * This routine returns information about the system. This does not effect | |
1956 | * any logic and if the info is wrong - it doesn't matter. | |
1957 | */ | |
1da177e4 | 1958 | |
8b2cc917 AM |
1959 | /* Get all the info we can not get from kernel services */ |
1960 | static int adpt_system_info(void __user *buffer) | |
1961 | { | |
1962 | sysInfo_S si; | |
1963 | ||
1964 | memset(&si, 0, sizeof(si)); | |
1965 | ||
1966 | si.osType = OS_LINUX; | |
1967 | si.osMajorVersion = 0; | |
1968 | si.osMinorVersion = 0; | |
1969 | si.osRevision = 0; | |
1970 | si.busType = SI_PCI_BUS; | |
1971 | si.processorFamily = DPTI_sig.dsProcessorFamily; | |
1972 | ||
1973 | #if defined __i386__ | |
1974 | adpt_i386_info(&si); | |
1975 | #elif defined (__ia64__) | |
1976 | adpt_ia64_info(&si); | |
1977 | #elif defined(__sparc__) | |
1978 | adpt_sparc_info(&si); | |
1979 | #elif defined (__alpha__) | |
1980 | adpt_alpha_info(&si); | |
1981 | #else | |
1982 | si.processorType = 0xff ; | |
1da177e4 | 1983 | #endif |
8b2cc917 AM |
1984 | if (copy_to_user(buffer, &si, sizeof(si))){ |
1985 | printk(KERN_WARNING"dpti: Could not copy buffer TO user\n"); | |
1986 | return -EFAULT; | |
1987 | } | |
1da177e4 | 1988 | |
8b2cc917 AM |
1989 | return 0; |
1990 | } | |
1da177e4 | 1991 | |
f4927c45 | 1992 | static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg) |
1da177e4 LT |
1993 | { |
1994 | int minor; | |
1995 | int error = 0; | |
1996 | adpt_hba* pHba; | |
1997 | ulong flags = 0; | |
1998 | void __user *argp = (void __user *)arg; | |
1999 | ||
2000 | minor = iminor(inode); | |
2001 | if (minor >= DPTI_MAX_HBA){ | |
2002 | return -ENXIO; | |
2003 | } | |
0b950672 | 2004 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
2005 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
2006 | if (pHba->unit == minor) { | |
2007 | break; /* found adapter */ | |
2008 | } | |
2009 | } | |
0b950672 | 2010 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
2011 | if(pHba == NULL){ |
2012 | return -ENXIO; | |
2013 | } | |
2014 | ||
a9a3047d NA |
2015 | while((volatile u32) pHba->state & DPTI_STATE_RESET ) |
2016 | schedule_timeout_uninterruptible(2); | |
1da177e4 LT |
2017 | |
2018 | switch (cmd) { | |
2019 | // TODO: handle 3 cases | |
2020 | case DPT_SIGNATURE: | |
2021 | if (copy_to_user(argp, &DPTI_sig, sizeof(DPTI_sig))) { | |
2022 | return -EFAULT; | |
2023 | } | |
2024 | break; | |
2025 | case I2OUSRCMD: | |
2026 | return adpt_i2o_passthru(pHba, argp); | |
2027 | ||
2028 | case DPT_CTRLINFO:{ | |
2029 | drvrHBAinfo_S HbaInfo; | |
2030 | ||
2031 | #define FLG_OSD_PCI_VALID 0x0001 | |
2032 | #define FLG_OSD_DMA 0x0002 | |
2033 | #define FLG_OSD_I2O 0x0004 | |
2034 | memset(&HbaInfo, 0, sizeof(HbaInfo)); | |
2035 | HbaInfo.drvrHBAnum = pHba->unit; | |
2036 | HbaInfo.baseAddr = (ulong) pHba->base_addr_phys; | |
2037 | HbaInfo.blinkState = adpt_read_blink_led(pHba); | |
2038 | HbaInfo.pciBusNum = pHba->pDev->bus->number; | |
2039 | HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn); | |
2040 | HbaInfo.Interrupt = pHba->pDev->irq; | |
2041 | HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; | |
2042 | if(copy_to_user(argp, &HbaInfo, sizeof(HbaInfo))){ | |
2043 | printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name); | |
2044 | return -EFAULT; | |
2045 | } | |
2046 | break; | |
2047 | } | |
2048 | case DPT_SYSINFO: | |
2049 | return adpt_system_info(argp); | |
2050 | case DPT_BLINKLED:{ | |
2051 | u32 value; | |
2052 | value = (u32)adpt_read_blink_led(pHba); | |
2053 | if (copy_to_user(argp, &value, sizeof(value))) { | |
2054 | return -EFAULT; | |
2055 | } | |
2056 | break; | |
2057 | } | |
2058 | case I2ORESETCMD: | |
2059 | if(pHba->host) | |
2060 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
2061 | adpt_hba_reset(pHba); | |
2062 | if(pHba->host) | |
2063 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
2064 | break; | |
2065 | case I2ORESCANCMD: | |
2066 | adpt_rescan(pHba); | |
2067 | break; | |
2068 | default: | |
2069 | return -EINVAL; | |
2070 | } | |
2071 | ||
2072 | return error; | |
2073 | } | |
2074 | ||
f4927c45 AB |
2075 | static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg) |
2076 | { | |
2077 | struct inode *inode; | |
2078 | long ret; | |
2079 | ||
496ad9aa | 2080 | inode = file_inode(file); |
f4927c45 | 2081 | |
c45d15d2 | 2082 | mutex_lock(&adpt_mutex); |
f4927c45 | 2083 | ret = adpt_ioctl(inode, file, cmd, arg); |
c45d15d2 | 2084 | mutex_unlock(&adpt_mutex); |
f4927c45 AB |
2085 | |
2086 | return ret; | |
2087 | } | |
2088 | ||
62ac5aed MS |
2089 | #ifdef CONFIG_COMPAT |
2090 | static long compat_adpt_ioctl(struct file *file, | |
2091 | unsigned int cmd, unsigned long arg) | |
2092 | { | |
2093 | struct inode *inode; | |
2094 | long ret; | |
2095 | ||
496ad9aa | 2096 | inode = file_inode(file); |
62ac5aed | 2097 | |
c45d15d2 | 2098 | mutex_lock(&adpt_mutex); |
62ac5aed MS |
2099 | |
2100 | switch(cmd) { | |
2101 | case DPT_SIGNATURE: | |
2102 | case I2OUSRCMD: | |
2103 | case DPT_CTRLINFO: | |
2104 | case DPT_SYSINFO: | |
2105 | case DPT_BLINKLED: | |
2106 | case I2ORESETCMD: | |
2107 | case I2ORESCANCMD: | |
2108 | case (DPT_TARGET_BUSY & 0xFFFF): | |
2109 | case DPT_TARGET_BUSY: | |
2110 | ret = adpt_ioctl(inode, file, cmd, arg); | |
2111 | break; | |
2112 | default: | |
2113 | ret = -ENOIOCTLCMD; | |
2114 | } | |
2115 | ||
c45d15d2 | 2116 | mutex_unlock(&adpt_mutex); |
62ac5aed MS |
2117 | |
2118 | return ret; | |
2119 | } | |
2120 | #endif | |
1da177e4 | 2121 | |
7d12e780 | 2122 | static irqreturn_t adpt_isr(int irq, void *dev_id) |
1da177e4 LT |
2123 | { |
2124 | struct scsi_cmnd* cmd; | |
2125 | adpt_hba* pHba = dev_id; | |
2126 | u32 m; | |
1c2fb3f3 | 2127 | void __iomem *reply; |
1da177e4 LT |
2128 | u32 status=0; |
2129 | u32 context; | |
2130 | ulong flags = 0; | |
2131 | int handled = 0; | |
2132 | ||
2133 | if (pHba == NULL){ | |
2134 | printk(KERN_WARNING"adpt_isr: NULL dev_id\n"); | |
2135 | return IRQ_NONE; | |
2136 | } | |
2137 | if(pHba->host) | |
2138 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
2139 | ||
2140 | while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) { | |
2141 | m = readl(pHba->reply_port); | |
2142 | if(m == EMPTY_QUEUE){ | |
2143 | // Try twice then give up | |
2144 | rmb(); | |
2145 | m = readl(pHba->reply_port); | |
2146 | if(m == EMPTY_QUEUE){ | |
2147 | // This really should not happen | |
2148 | printk(KERN_ERR"dpti: Could not get reply frame\n"); | |
2149 | goto out; | |
2150 | } | |
2151 | } | |
67af2b06 MS |
2152 | if (pHba->reply_pool_pa <= m && |
2153 | m < pHba->reply_pool_pa + | |
2154 | (pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4)) { | |
2155 | reply = (u8 *)pHba->reply_pool + | |
2156 | (m - pHba->reply_pool_pa); | |
2157 | } else { | |
2158 | /* Ick, we should *never* be here */ | |
2159 | printk(KERN_ERR "dpti: reply frame not from pool\n"); | |
2160 | reply = (u8 *)bus_to_virt(m); | |
2161 | } | |
1da177e4 LT |
2162 | |
2163 | if (readl(reply) & MSG_FAIL) { | |
2164 | u32 old_m = readl(reply+28); | |
1c2fb3f3 | 2165 | void __iomem *msg; |
1da177e4 LT |
2166 | u32 old_context; |
2167 | PDEBUG("%s: Failed message\n",pHba->name); | |
2168 | if(old_m >= 0x100000){ | |
2169 | printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m); | |
2170 | writel(m,pHba->reply_port); | |
2171 | continue; | |
2172 | } | |
2173 | // Transaction context is 0 in failed reply frame | |
1c2fb3f3 | 2174 | msg = pHba->msg_addr_virt + old_m; |
1da177e4 LT |
2175 | old_context = readl(msg+12); |
2176 | writel(old_context, reply+12); | |
2177 | adpt_send_nop(pHba, old_m); | |
2178 | } | |
2179 | context = readl(reply+8); | |
2180 | if(context & 0x40000000){ // IOCTL | |
62ac5aed | 2181 | void *p = adpt_ioctl_from_context(pHba, readl(reply+12)); |
1c2fb3f3 BB |
2182 | if( p != NULL) { |
2183 | memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4); | |
1da177e4 LT |
2184 | } |
2185 | // All IOCTLs will also be post wait | |
2186 | } | |
2187 | if(context & 0x80000000){ // Post wait message | |
2188 | status = readl(reply+16); | |
2189 | if(status >> 24){ | |
2190 | status &= 0xffff; /* Get detail status */ | |
2191 | } else { | |
2192 | status = I2O_POST_WAIT_OK; | |
2193 | } | |
2194 | if(!(context & 0x40000000)) { | |
62ac5aed MS |
2195 | cmd = adpt_cmd_from_context(pHba, |
2196 | readl(reply+12)); | |
1da177e4 LT |
2197 | if(cmd != NULL) { |
2198 | printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context); | |
2199 | } | |
2200 | } | |
2201 | adpt_i2o_post_wait_complete(context, status); | |
2202 | } else { // SCSI message | |
62ac5aed | 2203 | cmd = adpt_cmd_from_context (pHba, readl(reply+12)); |
1da177e4 | 2204 | if(cmd != NULL){ |
67af2b06 | 2205 | scsi_dma_unmap(cmd); |
1da177e4 LT |
2206 | if(cmd->serial_number != 0) { // If not timedout |
2207 | adpt_i2o_to_scsi(reply, cmd); | |
2208 | } | |
2209 | } | |
2210 | } | |
2211 | writel(m, pHba->reply_port); | |
2212 | wmb(); | |
2213 | rmb(); | |
2214 | } | |
2215 | handled = 1; | |
2216 | out: if(pHba->host) | |
2217 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
2218 | return IRQ_RETVAL(handled); | |
2219 | } | |
2220 | ||
2221 | static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* d) | |
2222 | { | |
2223 | int i; | |
2224 | u32 msg[MAX_MESSAGE_SIZE]; | |
2225 | u32* mptr; | |
62ac5aed | 2226 | u32* lptr; |
1da177e4 LT |
2227 | u32 *lenptr; |
2228 | int direction; | |
2229 | int scsidir; | |
10803de4 | 2230 | int nseg; |
1da177e4 LT |
2231 | u32 len; |
2232 | u32 reqlen; | |
2233 | s32 rcode; | |
62ac5aed | 2234 | dma_addr_t addr; |
1da177e4 LT |
2235 | |
2236 | memset(msg, 0 , sizeof(msg)); | |
10803de4 | 2237 | len = scsi_bufflen(cmd); |
1da177e4 LT |
2238 | direction = 0x00000000; |
2239 | ||
2240 | scsidir = 0x00000000; // DATA NO XFER | |
2241 | if(len) { | |
2242 | /* | |
2243 | * Set SCBFlags to indicate if data is being transferred | |
2244 | * in or out, or no data transfer | |
2245 | * Note: Do not have to verify index is less than 0 since | |
2246 | * cmd->cmnd[0] is an unsigned char | |
2247 | */ | |
2248 | switch(cmd->sc_data_direction){ | |
2249 | case DMA_FROM_DEVICE: | |
2250 | scsidir =0x40000000; // DATA IN (iop<--dev) | |
2251 | break; | |
2252 | case DMA_TO_DEVICE: | |
2253 | direction=0x04000000; // SGL OUT | |
2254 | scsidir =0x80000000; // DATA OUT (iop-->dev) | |
2255 | break; | |
2256 | case DMA_NONE: | |
2257 | break; | |
2258 | case DMA_BIDIRECTIONAL: | |
2259 | scsidir =0x40000000; // DATA IN (iop<--dev) | |
2260 | // Assume In - and continue; | |
2261 | break; | |
2262 | default: | |
2263 | printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n", | |
2264 | pHba->name, cmd->cmnd[0]); | |
2265 | cmd->result = (DID_OK <<16) | (INITIATOR_ERROR << 8); | |
2266 | cmd->scsi_done(cmd); | |
2267 | return 0; | |
2268 | } | |
2269 | } | |
2270 | // msg[0] is set later | |
2271 | // I2O_CMD_SCSI_EXEC | |
2272 | msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid); | |
2273 | msg[2] = 0; | |
62ac5aed | 2274 | msg[3] = adpt_cmd_to_context(cmd); /* Want SCSI control block back */ |
1da177e4 LT |
2275 | // Our cards use the transaction context as the tag for queueing |
2276 | // Adaptec/DPT Private stuff | |
2277 | msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16); | |
2278 | msg[5] = d->tid; | |
2279 | /* Direction, disconnect ok | sense data | simple queue , CDBLen */ | |
2280 | // I2O_SCB_FLAG_ENABLE_DISCONNECT | | |
2281 | // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG | | |
2282 | // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; | |
2283 | msg[6] = scsidir|0x20a00000|cmd->cmd_len; | |
2284 | ||
2285 | mptr=msg+7; | |
2286 | ||
2287 | // Write SCSI command into the message - always 16 byte block | |
2288 | memset(mptr, 0, 16); | |
2289 | memcpy(mptr, cmd->cmnd, cmd->cmd_len); | |
2290 | mptr+=4; | |
2291 | lenptr=mptr++; /* Remember me - fill in when we know */ | |
62ac5aed MS |
2292 | if (dpt_dma64(pHba)) { |
2293 | reqlen = 16; // SINGLE SGE | |
2294 | *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */ | |
2295 | *mptr++ = 1 << PAGE_SHIFT; | |
2296 | } else { | |
2297 | reqlen = 14; // SINGLE SGE | |
2298 | } | |
1da177e4 | 2299 | /* Now fill in the SGList and command */ |
1da177e4 | 2300 | |
10803de4 FT |
2301 | nseg = scsi_dma_map(cmd); |
2302 | BUG_ON(nseg < 0); | |
2303 | if (nseg) { | |
2304 | struct scatterlist *sg; | |
1da177e4 LT |
2305 | |
2306 | len = 0; | |
10803de4 | 2307 | scsi_for_each_sg(cmd, sg, nseg, i) { |
62ac5aed | 2308 | lptr = mptr; |
1da177e4 LT |
2309 | *mptr++ = direction|0x10000000|sg_dma_len(sg); |
2310 | len+=sg_dma_len(sg); | |
62ac5aed MS |
2311 | addr = sg_dma_address(sg); |
2312 | *mptr++ = dma_low(addr); | |
2313 | if (dpt_dma64(pHba)) | |
2314 | *mptr++ = dma_high(addr); | |
10803de4 FT |
2315 | /* Make this an end of list */ |
2316 | if (i == nseg - 1) | |
62ac5aed | 2317 | *lptr = direction|0xD0000000|sg_dma_len(sg); |
1da177e4 | 2318 | } |
1da177e4 LT |
2319 | reqlen = mptr - msg; |
2320 | *lenptr = len; | |
2321 | ||
2322 | if(cmd->underflow && len != cmd->underflow){ | |
2323 | printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n", | |
2324 | len, cmd->underflow); | |
2325 | } | |
2326 | } else { | |
10803de4 FT |
2327 | *lenptr = len = 0; |
2328 | reqlen = 12; | |
1da177e4 LT |
2329 | } |
2330 | ||
2331 | /* Stick the headers on */ | |
2332 | msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0); | |
2333 | ||
2334 | // Send it on it's way | |
2335 | rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2); | |
2336 | if (rcode == 0) { | |
2337 | return 0; | |
2338 | } | |
2339 | return rcode; | |
2340 | } | |
2341 | ||
2342 | ||
c864cb14 | 2343 | static s32 adpt_scsi_host_alloc(adpt_hba* pHba, struct scsi_host_template *sht) |
24601bbc | 2344 | { |
c864cb14 | 2345 | struct Scsi_Host *host; |
24601bbc | 2346 | |
c864cb14 | 2347 | host = scsi_host_alloc(sht, sizeof(adpt_hba*)); |
24601bbc | 2348 | if (host == NULL) { |
c864cb14 | 2349 | printk("%s: scsi_host_alloc returned NULL\n", pHba->name); |
24601bbc AM |
2350 | return -1; |
2351 | } | |
2352 | host->hostdata[0] = (unsigned long)pHba; | |
2353 | pHba->host = host; | |
2354 | ||
2355 | host->irq = pHba->pDev->irq; | |
2356 | /* no IO ports, so don't have to set host->io_port and | |
2357 | * host->n_io_port | |
2358 | */ | |
2359 | host->io_port = 0; | |
2360 | host->n_io_port = 0; | |
2361 | /* see comments in scsi_host.h */ | |
2362 | host->max_id = 16; | |
2363 | host->max_lun = 256; | |
2364 | host->max_channel = pHba->top_scsi_channel + 1; | |
2365 | host->cmd_per_lun = 1; | |
67af2b06 | 2366 | host->unique_id = (u32)sys_tbl_pa + pHba->unit; |
24601bbc AM |
2367 | host->sg_tablesize = pHba->sg_tablesize; |
2368 | host->can_queue = pHba->post_fifo_size; | |
2369 | ||
2370 | return 0; | |
2371 | } | |
2372 | ||
2373 | ||
1c2fb3f3 | 2374 | static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd) |
1da177e4 LT |
2375 | { |
2376 | adpt_hba* pHba; | |
2377 | u32 hba_status; | |
2378 | u32 dev_status; | |
2379 | u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits | |
2380 | // I know this would look cleaner if I just read bytes | |
2381 | // but the model I have been using for all the rest of the | |
2382 | // io is in 4 byte words - so I keep that model | |
2383 | u16 detailed_status = readl(reply+16) &0xffff; | |
2384 | dev_status = (detailed_status & 0xff); | |
2385 | hba_status = detailed_status >> 8; | |
2386 | ||
2387 | // calculate resid for sg | |
df81d237 | 2388 | scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+20)); |
1da177e4 LT |
2389 | |
2390 | pHba = (adpt_hba*) cmd->device->host->hostdata[0]; | |
2391 | ||
2392 | cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false | |
2393 | ||
2394 | if(!(reply_flags & MSG_FAIL)) { | |
2395 | switch(detailed_status & I2O_SCSI_DSC_MASK) { | |
2396 | case I2O_SCSI_DSC_SUCCESS: | |
2397 | cmd->result = (DID_OK << 16); | |
2398 | // handle underflow | |
df81d237 | 2399 | if (readl(reply+20) < cmd->underflow) { |
1da177e4 LT |
2400 | cmd->result = (DID_ERROR <<16); |
2401 | printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name); | |
2402 | } | |
2403 | break; | |
2404 | case I2O_SCSI_DSC_REQUEST_ABORTED: | |
2405 | cmd->result = (DID_ABORT << 16); | |
2406 | break; | |
2407 | case I2O_SCSI_DSC_PATH_INVALID: | |
2408 | case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: | |
2409 | case I2O_SCSI_DSC_SELECTION_TIMEOUT: | |
2410 | case I2O_SCSI_DSC_COMMAND_TIMEOUT: | |
2411 | case I2O_SCSI_DSC_NO_ADAPTER: | |
2412 | case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE: | |
2413 | printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n", | |
2414 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]); | |
2415 | cmd->result = (DID_TIME_OUT << 16); | |
2416 | break; | |
2417 | case I2O_SCSI_DSC_ADAPTER_BUSY: | |
2418 | case I2O_SCSI_DSC_BUS_BUSY: | |
2419 | cmd->result = (DID_BUS_BUSY << 16); | |
2420 | break; | |
2421 | case I2O_SCSI_DSC_SCSI_BUS_RESET: | |
2422 | case I2O_SCSI_DSC_BDR_MESSAGE_SENT: | |
2423 | cmd->result = (DID_RESET << 16); | |
2424 | break; | |
2425 | case I2O_SCSI_DSC_PARITY_ERROR_FAILURE: | |
2426 | printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name); | |
2427 | cmd->result = (DID_PARITY << 16); | |
2428 | break; | |
2429 | case I2O_SCSI_DSC_UNABLE_TO_ABORT: | |
2430 | case I2O_SCSI_DSC_COMPLETE_WITH_ERROR: | |
2431 | case I2O_SCSI_DSC_UNABLE_TO_TERMINATE: | |
2432 | case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED: | |
2433 | case I2O_SCSI_DSC_AUTOSENSE_FAILED: | |
2434 | case I2O_SCSI_DSC_DATA_OVERRUN: | |
2435 | case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE: | |
2436 | case I2O_SCSI_DSC_SEQUENCE_FAILURE: | |
2437 | case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR: | |
2438 | case I2O_SCSI_DSC_PROVIDE_FAILURE: | |
2439 | case I2O_SCSI_DSC_REQUEST_TERMINATED: | |
2440 | case I2O_SCSI_DSC_IDE_MESSAGE_SENT: | |
2441 | case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT: | |
2442 | case I2O_SCSI_DSC_MESSAGE_RECEIVED: | |
2443 | case I2O_SCSI_DSC_INVALID_CDB: | |
2444 | case I2O_SCSI_DSC_LUN_INVALID: | |
2445 | case I2O_SCSI_DSC_SCSI_TID_INVALID: | |
2446 | case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE: | |
2447 | case I2O_SCSI_DSC_NO_NEXUS: | |
2448 | case I2O_SCSI_DSC_CDB_RECEIVED: | |
2449 | case I2O_SCSI_DSC_LUN_ALREADY_ENABLED: | |
2450 | case I2O_SCSI_DSC_QUEUE_FROZEN: | |
2451 | case I2O_SCSI_DSC_REQUEST_INVALID: | |
2452 | default: | |
2453 | printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n", | |
2454 | pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, | |
2455 | hba_status, dev_status, cmd->cmnd[0]); | |
2456 | cmd->result = (DID_ERROR << 16); | |
2457 | break; | |
2458 | } | |
2459 | ||
2460 | // copy over the request sense data if it was a check | |
2461 | // condition status | |
d814c517 | 2462 | if (dev_status == SAM_STAT_CHECK_CONDITION) { |
b80ca4f7 | 2463 | u32 len = min(SCSI_SENSE_BUFFERSIZE, 40); |
1da177e4 | 2464 | // Copy over the sense data |
1c2fb3f3 | 2465 | memcpy_fromio(cmd->sense_buffer, (reply+28) , len); |
1da177e4 LT |
2466 | if(cmd->sense_buffer[0] == 0x70 /* class 7 */ && |
2467 | cmd->sense_buffer[2] == DATA_PROTECT ){ | |
2468 | /* This is to handle an array failed */ | |
2469 | cmd->result = (DID_TIME_OUT << 16); | |
2470 | printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n", | |
2471 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, | |
2472 | hba_status, dev_status, cmd->cmnd[0]); | |
2473 | ||
2474 | } | |
2475 | } | |
2476 | } else { | |
2477 | /* In this condtion we could not talk to the tid | |
2478 | * the card rejected it. We should signal a retry | |
2479 | * for a limitted number of retries. | |
2480 | */ | |
2481 | cmd->result = (DID_TIME_OUT << 16); | |
2482 | printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n", | |
2483 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, | |
2484 | ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]); | |
2485 | } | |
2486 | ||
2487 | cmd->result |= (dev_status); | |
2488 | ||
2489 | if(cmd->scsi_done != NULL){ | |
2490 | cmd->scsi_done(cmd); | |
2491 | } | |
2492 | return cmd->result; | |
2493 | } | |
2494 | ||
2495 | ||
2496 | static s32 adpt_rescan(adpt_hba* pHba) | |
2497 | { | |
2498 | s32 rcode; | |
2499 | ulong flags = 0; | |
2500 | ||
2501 | if(pHba->host) | |
2502 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
2503 | if ((rcode=adpt_i2o_lct_get(pHba)) < 0) | |
2504 | goto out; | |
2505 | if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0) | |
2506 | goto out; | |
2507 | rcode = 0; | |
2508 | out: if(pHba->host) | |
2509 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
2510 | return rcode; | |
2511 | } | |
2512 | ||
2513 | ||
2514 | static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) | |
2515 | { | |
2516 | int i; | |
2517 | int max; | |
2518 | int tid; | |
2519 | struct i2o_device *d; | |
2520 | i2o_lct *lct = pHba->lct; | |
2521 | u8 bus_no = 0; | |
2522 | s16 scsi_id; | |
2523 | s16 scsi_lun; | |
2524 | u32 buf[10]; // at least 8 u32's | |
2525 | struct adpt_device* pDev = NULL; | |
2526 | struct i2o_device* pI2o_dev = NULL; | |
2527 | ||
2528 | if (lct == NULL) { | |
2529 | printk(KERN_ERR "%s: LCT is empty???\n",pHba->name); | |
2530 | return -1; | |
2531 | } | |
2532 | ||
2533 | max = lct->table_size; | |
2534 | max -= 3; | |
2535 | max /= 9; | |
2536 | ||
2537 | // Mark each drive as unscanned | |
2538 | for (d = pHba->devices; d; d = d->next) { | |
2539 | pDev =(struct adpt_device*) d->owner; | |
2540 | if(!pDev){ | |
2541 | continue; | |
2542 | } | |
2543 | pDev->state |= DPTI_DEV_UNSCANNED; | |
2544 | } | |
2545 | ||
2546 | printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max); | |
2547 | ||
2548 | for(i=0;i<max;i++) { | |
2549 | if( lct->lct_entry[i].user_tid != 0xfff){ | |
2550 | continue; | |
2551 | } | |
2552 | ||
2553 | if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE || | |
2554 | lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL || | |
2555 | lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ | |
2556 | tid = lct->lct_entry[i].tid; | |
2557 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) { | |
2558 | printk(KERN_ERR"%s: Could not query device\n",pHba->name); | |
2559 | continue; | |
2560 | } | |
2561 | bus_no = buf[0]>>16; | |
e84d96db DC |
2562 | if (bus_no >= MAX_CHANNEL) { /* Something wrong skip it */ |
2563 | printk(KERN_WARNING | |
2564 | "%s: Channel number %d out of range\n", | |
2565 | pHba->name, bus_no); | |
2566 | continue; | |
2567 | } | |
2568 | ||
1da177e4 LT |
2569 | scsi_id = buf[1]; |
2570 | scsi_lun = (buf[2]>>8 )&0xff; | |
2571 | pDev = pHba->channel[bus_no].device[scsi_id]; | |
2572 | /* da lun */ | |
2573 | while(pDev) { | |
2574 | if(pDev->scsi_lun == scsi_lun) { | |
2575 | break; | |
2576 | } | |
2577 | pDev = pDev->next_lun; | |
2578 | } | |
2579 | if(!pDev ) { // Something new add it | |
da2907ff JL |
2580 | d = kmalloc(sizeof(struct i2o_device), |
2581 | GFP_ATOMIC); | |
1da177e4 LT |
2582 | if(d==NULL) |
2583 | { | |
2584 | printk(KERN_CRIT "Out of memory for I2O device data.\n"); | |
2585 | return -ENOMEM; | |
2586 | } | |
2587 | ||
1c2fb3f3 | 2588 | d->controller = pHba; |
1da177e4 LT |
2589 | d->next = NULL; |
2590 | ||
2591 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); | |
2592 | ||
2593 | d->flags = 0; | |
2594 | adpt_i2o_report_hba_unit(pHba, d); | |
2595 | adpt_i2o_install_device(pHba, d); | |
2596 | ||
1da177e4 LT |
2597 | pDev = pHba->channel[bus_no].device[scsi_id]; |
2598 | if( pDev == NULL){ | |
da2907ff JL |
2599 | pDev = |
2600 | kzalloc(sizeof(struct adpt_device), | |
2601 | GFP_ATOMIC); | |
1da177e4 LT |
2602 | if(pDev == NULL) { |
2603 | return -ENOMEM; | |
2604 | } | |
2605 | pHba->channel[bus_no].device[scsi_id] = pDev; | |
2606 | } else { | |
2607 | while (pDev->next_lun) { | |
2608 | pDev = pDev->next_lun; | |
2609 | } | |
da2907ff JL |
2610 | pDev = pDev->next_lun = |
2611 | kzalloc(sizeof(struct adpt_device), | |
2612 | GFP_ATOMIC); | |
1da177e4 LT |
2613 | if(pDev == NULL) { |
2614 | return -ENOMEM; | |
2615 | } | |
2616 | } | |
1da177e4 LT |
2617 | pDev->tid = d->lct_data.tid; |
2618 | pDev->scsi_channel = bus_no; | |
2619 | pDev->scsi_id = scsi_id; | |
2620 | pDev->scsi_lun = scsi_lun; | |
2621 | pDev->pI2o_dev = d; | |
2622 | d->owner = pDev; | |
2623 | pDev->type = (buf[0])&0xff; | |
2624 | pDev->flags = (buf[0]>>8)&0xff; | |
2625 | // Too late, SCSI system has made up it's mind, but what the hey ... | |
2626 | if(scsi_id > pHba->top_scsi_id){ | |
2627 | pHba->top_scsi_id = scsi_id; | |
2628 | } | |
2629 | if(scsi_lun > pHba->top_scsi_lun){ | |
2630 | pHba->top_scsi_lun = scsi_lun; | |
2631 | } | |
2632 | continue; | |
2633 | } // end of new i2o device | |
2634 | ||
2635 | // We found an old device - check it | |
2636 | while(pDev) { | |
2637 | if(pDev->scsi_lun == scsi_lun) { | |
2638 | if(!scsi_device_online(pDev->pScsi_dev)) { | |
2639 | printk(KERN_WARNING"%s: Setting device (%d,%d,%d) back online\n", | |
2640 | pHba->name,bus_no,scsi_id,scsi_lun); | |
2641 | if (pDev->pScsi_dev) { | |
2642 | scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING); | |
2643 | } | |
2644 | } | |
2645 | d = pDev->pI2o_dev; | |
2646 | if(d->lct_data.tid != tid) { // something changed | |
2647 | pDev->tid = tid; | |
2648 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); | |
2649 | if (pDev->pScsi_dev) { | |
2650 | pDev->pScsi_dev->changed = TRUE; | |
2651 | pDev->pScsi_dev->removable = TRUE; | |
2652 | } | |
2653 | } | |
2654 | // Found it - mark it scanned | |
2655 | pDev->state = DPTI_DEV_ONLINE; | |
2656 | break; | |
2657 | } | |
2658 | pDev = pDev->next_lun; | |
2659 | } | |
2660 | } | |
2661 | } | |
2662 | for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) { | |
2663 | pDev =(struct adpt_device*) pI2o_dev->owner; | |
2664 | if(!pDev){ | |
2665 | continue; | |
2666 | } | |
2667 | // Drive offline drives that previously existed but could not be found | |
2668 | // in the LCT table | |
2669 | if (pDev->state & DPTI_DEV_UNSCANNED){ | |
2670 | pDev->state = DPTI_DEV_OFFLINE; | |
2671 | printk(KERN_WARNING"%s: Device (%d,%d,%d) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun); | |
2672 | if (pDev->pScsi_dev) { | |
2673 | scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE); | |
2674 | } | |
2675 | } | |
2676 | } | |
2677 | return 0; | |
2678 | } | |
2679 | ||
2680 | static void adpt_fail_posted_scbs(adpt_hba* pHba) | |
2681 | { | |
2682 | struct scsi_cmnd* cmd = NULL; | |
2683 | struct scsi_device* d = NULL; | |
2684 | ||
2685 | shost_for_each_device(d, pHba->host) { | |
2686 | unsigned long flags; | |
2687 | spin_lock_irqsave(&d->list_lock, flags); | |
2688 | list_for_each_entry(cmd, &d->cmd_list, list) { | |
2689 | if(cmd->serial_number == 0){ | |
2690 | continue; | |
2691 | } | |
2692 | cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1); | |
2693 | cmd->scsi_done(cmd); | |
2694 | } | |
2695 | spin_unlock_irqrestore(&d->list_lock, flags); | |
2696 | } | |
2697 | } | |
2698 | ||
2699 | ||
2700 | /*============================================================================ | |
2701 | * Routines from i2o subsystem | |
2702 | *============================================================================ | |
2703 | */ | |
2704 | ||
2705 | ||
2706 | ||
2707 | /* | |
2708 | * Bring an I2O controller into HOLD state. See the spec. | |
2709 | */ | |
2710 | static int adpt_i2o_activate_hba(adpt_hba* pHba) | |
2711 | { | |
2712 | int rcode; | |
2713 | ||
2714 | if(pHba->initialized ) { | |
2715 | if (adpt_i2o_status_get(pHba) < 0) { | |
2716 | if((rcode = adpt_i2o_reset_hba(pHba)) != 0){ | |
2717 | printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name); | |
2718 | return rcode; | |
2719 | } | |
2720 | if (adpt_i2o_status_get(pHba) < 0) { | |
2721 | printk(KERN_INFO "HBA not responding.\n"); | |
2722 | return -1; | |
2723 | } | |
2724 | } | |
2725 | ||
2726 | if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) { | |
2727 | printk(KERN_CRIT "%s: hardware fault\n", pHba->name); | |
2728 | return -1; | |
2729 | } | |
2730 | ||
2731 | if (pHba->status_block->iop_state == ADAPTER_STATE_READY || | |
2732 | pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL || | |
2733 | pHba->status_block->iop_state == ADAPTER_STATE_HOLD || | |
2734 | pHba->status_block->iop_state == ADAPTER_STATE_FAILED) { | |
2735 | adpt_i2o_reset_hba(pHba); | |
2736 | if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) { | |
2737 | printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name); | |
2738 | return -1; | |
2739 | } | |
2740 | } | |
2741 | } else { | |
2742 | if((rcode = adpt_i2o_reset_hba(pHba)) != 0){ | |
2743 | printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name); | |
2744 | return rcode; | |
2745 | } | |
2746 | ||
2747 | } | |
2748 | ||
2749 | if (adpt_i2o_init_outbound_q(pHba) < 0) { | |
2750 | return -1; | |
2751 | } | |
2752 | ||
2753 | /* In HOLD state */ | |
2754 | ||
2755 | if (adpt_i2o_hrt_get(pHba) < 0) { | |
2756 | return -1; | |
2757 | } | |
2758 | ||
2759 | return 0; | |
2760 | } | |
2761 | ||
2762 | /* | |
2763 | * Bring a controller online into OPERATIONAL state. | |
2764 | */ | |
2765 | ||
2766 | static int adpt_i2o_online_hba(adpt_hba* pHba) | |
2767 | { | |
2768 | if (adpt_i2o_systab_send(pHba) < 0) { | |
2769 | adpt_i2o_delete_hba(pHba); | |
2770 | return -1; | |
2771 | } | |
2772 | /* In READY state */ | |
2773 | ||
2774 | if (adpt_i2o_enable_hba(pHba) < 0) { | |
2775 | adpt_i2o_delete_hba(pHba); | |
2776 | return -1; | |
2777 | } | |
2778 | ||
2779 | /* In OPERATIONAL state */ | |
2780 | return 0; | |
2781 | } | |
2782 | ||
2783 | static s32 adpt_send_nop(adpt_hba*pHba,u32 m) | |
2784 | { | |
2785 | u32 __iomem *msg; | |
2786 | ulong timeout = jiffies + 5*HZ; | |
2787 | ||
2788 | while(m == EMPTY_QUEUE){ | |
2789 | rmb(); | |
2790 | m = readl(pHba->post_port); | |
2791 | if(m != EMPTY_QUEUE){ | |
2792 | break; | |
2793 | } | |
2794 | if(time_after(jiffies,timeout)){ | |
2795 | printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name); | |
2796 | return 2; | |
2797 | } | |
a9a3047d | 2798 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2799 | } |
2800 | msg = (u32 __iomem *)(pHba->msg_addr_virt + m); | |
2801 | writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]); | |
2802 | writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]); | |
2803 | writel( 0,&msg[2]); | |
2804 | wmb(); | |
2805 | ||
2806 | writel(m, pHba->post_port); | |
2807 | wmb(); | |
2808 | return 0; | |
2809 | } | |
2810 | ||
2811 | static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba) | |
2812 | { | |
2813 | u8 *status; | |
67af2b06 | 2814 | dma_addr_t addr; |
1da177e4 LT |
2815 | u32 __iomem *msg = NULL; |
2816 | int i; | |
2817 | ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ; | |
1da177e4 LT |
2818 | u32 m; |
2819 | ||
2820 | do { | |
2821 | rmb(); | |
2822 | m = readl(pHba->post_port); | |
2823 | if (m != EMPTY_QUEUE) { | |
2824 | break; | |
2825 | } | |
2826 | ||
2827 | if(time_after(jiffies,timeout)){ | |
2828 | printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name); | |
2829 | return -ETIMEDOUT; | |
2830 | } | |
a9a3047d | 2831 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2832 | } while(m == EMPTY_QUEUE); |
2833 | ||
2834 | msg=(u32 __iomem *)(pHba->msg_addr_virt+m); | |
2835 | ||
67af2b06 | 2836 | status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL); |
bbfbbbc1 | 2837 | if (!status) { |
1da177e4 LT |
2838 | adpt_send_nop(pHba, m); |
2839 | printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n", | |
2840 | pHba->name); | |
2841 | return -ENOMEM; | |
2842 | } | |
67af2b06 | 2843 | memset(status, 0, 4); |
1da177e4 LT |
2844 | |
2845 | writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]); | |
2846 | writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]); | |
2847 | writel(0, &msg[2]); | |
2848 | writel(0x0106, &msg[3]); /* Transaction context */ | |
2849 | writel(4096, &msg[4]); /* Host page frame size */ | |
2850 | writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */ | |
2851 | writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */ | |
67af2b06 | 2852 | writel((u32)addr, &msg[7]); |
1da177e4 LT |
2853 | |
2854 | writel(m, pHba->post_port); | |
2855 | wmb(); | |
2856 | ||
2857 | // Wait for the reply status to come back | |
2858 | do { | |
2859 | if (*status) { | |
2860 | if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) { | |
2861 | break; | |
2862 | } | |
2863 | } | |
2864 | rmb(); | |
2865 | if(time_after(jiffies,timeout)){ | |
2866 | printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name); | |
67af2b06 MS |
2867 | /* We lose 4 bytes of "status" here, but we |
2868 | cannot free these because controller may | |
2869 | awake and corrupt those bytes at any time */ | |
2870 | /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */ | |
1da177e4 LT |
2871 | return -ETIMEDOUT; |
2872 | } | |
a9a3047d | 2873 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2874 | } while (1); |
2875 | ||
2876 | // If the command was successful, fill the fifo with our reply | |
2877 | // message packets | |
2878 | if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) { | |
67af2b06 | 2879 | dma_free_coherent(&pHba->pDev->dev, 4, status, addr); |
1da177e4 LT |
2880 | return -2; |
2881 | } | |
67af2b06 | 2882 | dma_free_coherent(&pHba->pDev->dev, 4, status, addr); |
1da177e4 | 2883 | |
67af2b06 MS |
2884 | if(pHba->reply_pool != NULL) { |
2885 | dma_free_coherent(&pHba->pDev->dev, | |
2886 | pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, | |
2887 | pHba->reply_pool, pHba->reply_pool_pa); | |
2888 | } | |
1da177e4 | 2889 | |
67af2b06 MS |
2890 | pHba->reply_pool = dma_alloc_coherent(&pHba->pDev->dev, |
2891 | pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, | |
2892 | &pHba->reply_pool_pa, GFP_KERNEL); | |
bbfbbbc1 MK |
2893 | if (!pHba->reply_pool) { |
2894 | printk(KERN_ERR "%s: Could not allocate reply pool\n", pHba->name); | |
2895 | return -ENOMEM; | |
1da177e4 | 2896 | } |
67af2b06 | 2897 | memset(pHba->reply_pool, 0 , pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4); |
1da177e4 | 2898 | |
1da177e4 | 2899 | for(i = 0; i < pHba->reply_fifo_size; i++) { |
67af2b06 MS |
2900 | writel(pHba->reply_pool_pa + (i * REPLY_FRAME_SIZE * 4), |
2901 | pHba->reply_port); | |
1da177e4 | 2902 | wmb(); |
1da177e4 LT |
2903 | } |
2904 | adpt_i2o_status_get(pHba); | |
2905 | return 0; | |
2906 | } | |
2907 | ||
2908 | ||
2909 | /* | |
2910 | * I2O System Table. Contains information about | |
2911 | * all the IOPs in the system. Used to inform IOPs | |
2912 | * about each other's existence. | |
2913 | * | |
2914 | * sys_tbl_ver is the CurrentChangeIndicator that is | |
2915 | * used by IOPs to track changes. | |
2916 | */ | |
2917 | ||
2918 | ||
2919 | ||
2920 | static s32 adpt_i2o_status_get(adpt_hba* pHba) | |
2921 | { | |
2922 | ulong timeout; | |
2923 | u32 m; | |
2924 | u32 __iomem *msg; | |
2925 | u8 *status_block=NULL; | |
1da177e4 LT |
2926 | |
2927 | if(pHba->status_block == NULL) { | |
67af2b06 MS |
2928 | pHba->status_block = dma_alloc_coherent(&pHba->pDev->dev, |
2929 | sizeof(i2o_status_block), | |
2930 | &pHba->status_block_pa, GFP_KERNEL); | |
1da177e4 LT |
2931 | if(pHba->status_block == NULL) { |
2932 | printk(KERN_ERR | |
2933 | "dpti%d: Get Status Block failed; Out of memory. \n", | |
2934 | pHba->unit); | |
2935 | return -ENOMEM; | |
2936 | } | |
2937 | } | |
2938 | memset(pHba->status_block, 0, sizeof(i2o_status_block)); | |
2939 | status_block = (u8*)(pHba->status_block); | |
1da177e4 LT |
2940 | timeout = jiffies+TMOUT_GETSTATUS*HZ; |
2941 | do { | |
2942 | rmb(); | |
2943 | m = readl(pHba->post_port); | |
2944 | if (m != EMPTY_QUEUE) { | |
2945 | break; | |
2946 | } | |
2947 | if(time_after(jiffies,timeout)){ | |
2948 | printk(KERN_ERR "%s: Timeout waiting for message !\n", | |
2949 | pHba->name); | |
2950 | return -ETIMEDOUT; | |
2951 | } | |
a9a3047d | 2952 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2953 | } while(m==EMPTY_QUEUE); |
2954 | ||
2955 | ||
2956 | msg=(u32 __iomem *)(pHba->msg_addr_virt+m); | |
2957 | ||
2958 | writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]); | |
2959 | writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]); | |
2960 | writel(1, &msg[2]); | |
2961 | writel(0, &msg[3]); | |
2962 | writel(0, &msg[4]); | |
2963 | writel(0, &msg[5]); | |
67af2b06 MS |
2964 | writel( dma_low(pHba->status_block_pa), &msg[6]); |
2965 | writel( dma_high(pHba->status_block_pa), &msg[7]); | |
1da177e4 LT |
2966 | writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes |
2967 | ||
2968 | //post message | |
2969 | writel(m, pHba->post_port); | |
2970 | wmb(); | |
2971 | ||
2972 | while(status_block[87]!=0xff){ | |
2973 | if(time_after(jiffies,timeout)){ | |
2974 | printk(KERN_ERR"dpti%d: Get status timeout.\n", | |
2975 | pHba->unit); | |
2976 | return -ETIMEDOUT; | |
2977 | } | |
2978 | rmb(); | |
a9a3047d | 2979 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2980 | } |
2981 | ||
2982 | // Set up our number of outbound and inbound messages | |
2983 | pHba->post_fifo_size = pHba->status_block->max_inbound_frames; | |
2984 | if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) { | |
2985 | pHba->post_fifo_size = MAX_TO_IOP_MESSAGES; | |
2986 | } | |
2987 | ||
2988 | pHba->reply_fifo_size = pHba->status_block->max_outbound_frames; | |
2989 | if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) { | |
2990 | pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES; | |
2991 | } | |
2992 | ||
2993 | // Calculate the Scatter Gather list size | |
62ac5aed MS |
2994 | if (dpt_dma64(pHba)) { |
2995 | pHba->sg_tablesize | |
2996 | = ((pHba->status_block->inbound_frame_size * 4 | |
2997 | - 14 * sizeof(u32)) | |
2998 | / (sizeof(struct sg_simple_element) + sizeof(u32))); | |
2999 | } else { | |
3000 | pHba->sg_tablesize | |
3001 | = ((pHba->status_block->inbound_frame_size * 4 | |
3002 | - 12 * sizeof(u32)) | |
3003 | / sizeof(struct sg_simple_element)); | |
3004 | } | |
1da177e4 LT |
3005 | if (pHba->sg_tablesize > SG_LIST_ELEMENTS) { |
3006 | pHba->sg_tablesize = SG_LIST_ELEMENTS; | |
3007 | } | |
3008 | ||
3009 | ||
3010 | #ifdef DEBUG | |
3011 | printk("dpti%d: State = ",pHba->unit); | |
3012 | switch(pHba->status_block->iop_state) { | |
3013 | case 0x01: | |
3014 | printk("INIT\n"); | |
3015 | break; | |
3016 | case 0x02: | |
3017 | printk("RESET\n"); | |
3018 | break; | |
3019 | case 0x04: | |
3020 | printk("HOLD\n"); | |
3021 | break; | |
3022 | case 0x05: | |
3023 | printk("READY\n"); | |
3024 | break; | |
3025 | case 0x08: | |
3026 | printk("OPERATIONAL\n"); | |
3027 | break; | |
3028 | case 0x10: | |
3029 | printk("FAILED\n"); | |
3030 | break; | |
3031 | case 0x11: | |
3032 | printk("FAULTED\n"); | |
3033 | break; | |
3034 | default: | |
3035 | printk("%x (unknown!!)\n",pHba->status_block->iop_state); | |
3036 | } | |
3037 | #endif | |
3038 | return 0; | |
3039 | } | |
3040 | ||
3041 | /* | |
3042 | * Get the IOP's Logical Configuration Table | |
3043 | */ | |
3044 | static int adpt_i2o_lct_get(adpt_hba* pHba) | |
3045 | { | |
3046 | u32 msg[8]; | |
3047 | int ret; | |
3048 | u32 buf[16]; | |
3049 | ||
3050 | if ((pHba->lct_size == 0) || (pHba->lct == NULL)){ | |
3051 | pHba->lct_size = pHba->status_block->expected_lct_size; | |
3052 | } | |
3053 | do { | |
3054 | if (pHba->lct == NULL) { | |
67af2b06 MS |
3055 | pHba->lct = dma_alloc_coherent(&pHba->pDev->dev, |
3056 | pHba->lct_size, &pHba->lct_pa, | |
da2907ff | 3057 | GFP_ATOMIC); |
1da177e4 LT |
3058 | if(pHba->lct == NULL) { |
3059 | printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n", | |
3060 | pHba->name); | |
3061 | return -ENOMEM; | |
3062 | } | |
3063 | } | |
3064 | memset(pHba->lct, 0, pHba->lct_size); | |
3065 | ||
3066 | msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6; | |
3067 | msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID; | |
3068 | msg[2] = 0; | |
3069 | msg[3] = 0; | |
3070 | msg[4] = 0xFFFFFFFF; /* All devices */ | |
3071 | msg[5] = 0x00000000; /* Report now */ | |
3072 | msg[6] = 0xD0000000|pHba->lct_size; | |
67af2b06 | 3073 | msg[7] = (u32)pHba->lct_pa; |
1da177e4 LT |
3074 | |
3075 | if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) { | |
3076 | printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n", | |
3077 | pHba->name, ret); | |
3078 | printk(KERN_ERR"Adaptec: Error Reading Hardware.\n"); | |
3079 | return ret; | |
3080 | } | |
3081 | ||
3082 | if ((pHba->lct->table_size << 2) > pHba->lct_size) { | |
3083 | pHba->lct_size = pHba->lct->table_size << 2; | |
67af2b06 MS |
3084 | dma_free_coherent(&pHba->pDev->dev, pHba->lct_size, |
3085 | pHba->lct, pHba->lct_pa); | |
1da177e4 LT |
3086 | pHba->lct = NULL; |
3087 | } | |
3088 | } while (pHba->lct == NULL); | |
3089 | ||
3090 | PDEBUG("%s: Hardware resource table read.\n", pHba->name); | |
3091 | ||
3092 | ||
3093 | // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO; | |
3094 | if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) { | |
3095 | pHba->FwDebugBufferSize = buf[1]; | |
62ac5aed MS |
3096 | pHba->FwDebugBuffer_P = ioremap(pHba->base_addr_phys + buf[0], |
3097 | pHba->FwDebugBufferSize); | |
3098 | if (pHba->FwDebugBuffer_P) { | |
3099 | pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P + | |
3100 | FW_DEBUG_FLAGS_OFFSET; | |
3101 | pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P + | |
3102 | FW_DEBUG_BLED_OFFSET; | |
3103 | pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1; | |
3104 | pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P + | |
3105 | FW_DEBUG_STR_LENGTH_OFFSET; | |
3106 | pHba->FwDebugBuffer_P += buf[2]; | |
3107 | pHba->FwDebugFlags = 0; | |
3108 | } | |
1da177e4 LT |
3109 | } |
3110 | ||
3111 | return 0; | |
3112 | } | |
3113 | ||
3114 | static int adpt_i2o_build_sys_table(void) | |
3115 | { | |
67af2b06 | 3116 | adpt_hba* pHba = hba_chain; |
1da177e4 LT |
3117 | int count = 0; |
3118 | ||
67af2b06 MS |
3119 | if (sys_tbl) |
3120 | dma_free_coherent(&pHba->pDev->dev, sys_tbl_len, | |
3121 | sys_tbl, sys_tbl_pa); | |
3122 | ||
1da177e4 LT |
3123 | sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs |
3124 | (hba_count) * sizeof(struct i2o_sys_tbl_entry); | |
3125 | ||
67af2b06 MS |
3126 | sys_tbl = dma_alloc_coherent(&pHba->pDev->dev, |
3127 | sys_tbl_len, &sys_tbl_pa, GFP_KERNEL); | |
bbfbbbc1 | 3128 | if (!sys_tbl) { |
1da177e4 LT |
3129 | printk(KERN_WARNING "SysTab Set failed. Out of memory.\n"); |
3130 | return -ENOMEM; | |
3131 | } | |
67af2b06 | 3132 | memset(sys_tbl, 0, sys_tbl_len); |
1da177e4 LT |
3133 | |
3134 | sys_tbl->num_entries = hba_count; | |
3135 | sys_tbl->version = I2OVERSION; | |
3136 | sys_tbl->change_ind = sys_tbl_ind++; | |
3137 | ||
3138 | for(pHba = hba_chain; pHba; pHba = pHba->next) { | |
67af2b06 | 3139 | u64 addr; |
1da177e4 LT |
3140 | // Get updated Status Block so we have the latest information |
3141 | if (adpt_i2o_status_get(pHba)) { | |
3142 | sys_tbl->num_entries--; | |
3143 | continue; // try next one | |
3144 | } | |
3145 | ||
3146 | sys_tbl->iops[count].org_id = pHba->status_block->org_id; | |
3147 | sys_tbl->iops[count].iop_id = pHba->unit + 2; | |
3148 | sys_tbl->iops[count].seg_num = 0; | |
3149 | sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version; | |
3150 | sys_tbl->iops[count].iop_state = pHba->status_block->iop_state; | |
3151 | sys_tbl->iops[count].msg_type = pHba->status_block->msg_type; | |
3152 | sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size; | |
3153 | sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ?? | |
3154 | sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities; | |
67af2b06 MS |
3155 | addr = pHba->base_addr_phys + 0x40; |
3156 | sys_tbl->iops[count].inbound_low = dma_low(addr); | |
3157 | sys_tbl->iops[count].inbound_high = dma_high(addr); | |
1da177e4 LT |
3158 | |
3159 | count++; | |
3160 | } | |
3161 | ||
3162 | #ifdef DEBUG | |
3163 | { | |
3164 | u32 *table = (u32*)sys_tbl; | |
3165 | printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2)); | |
3166 | for(count = 0; count < (sys_tbl_len >>2); count++) { | |
3167 | printk(KERN_INFO "sys_tbl[%d] = %0#10x\n", | |
3168 | count, table[count]); | |
3169 | } | |
3170 | } | |
3171 | #endif | |
3172 | ||
3173 | return 0; | |
3174 | } | |
3175 | ||
3176 | ||
3177 | /* | |
3178 | * Dump the information block associated with a given unit (TID) | |
3179 | */ | |
3180 | ||
3181 | static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d) | |
3182 | { | |
3183 | char buf[64]; | |
3184 | int unit = d->lct_data.tid; | |
3185 | ||
3186 | printk(KERN_INFO "TID %3.3d ", unit); | |
3187 | ||
3188 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0) | |
3189 | { | |
3190 | buf[16]=0; | |
3191 | printk(" Vendor: %-12.12s", buf); | |
3192 | } | |
3193 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0) | |
3194 | { | |
3195 | buf[16]=0; | |
3196 | printk(" Device: %-12.12s", buf); | |
3197 | } | |
3198 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0) | |
3199 | { | |
3200 | buf[8]=0; | |
3201 | printk(" Rev: %-12.12s\n", buf); | |
3202 | } | |
3203 | #ifdef DEBUG | |
3204 | printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id)); | |
3205 | printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class); | |
3206 | printk(KERN_INFO "\tFlags: "); | |
3207 | ||
3208 | if(d->lct_data.device_flags&(1<<0)) | |
3209 | printk("C"); // ConfigDialog requested | |
3210 | if(d->lct_data.device_flags&(1<<1)) | |
3211 | printk("U"); // Multi-user capable | |
3212 | if(!(d->lct_data.device_flags&(1<<4))) | |
3213 | printk("P"); // Peer service enabled! | |
3214 | if(!(d->lct_data.device_flags&(1<<5))) | |
3215 | printk("M"); // Mgmt service enabled! | |
3216 | printk("\n"); | |
3217 | #endif | |
3218 | } | |
3219 | ||
3220 | #ifdef DEBUG | |
3221 | /* | |
3222 | * Do i2o class name lookup | |
3223 | */ | |
3224 | static const char *adpt_i2o_get_class_name(int class) | |
3225 | { | |
3226 | int idx = 16; | |
3227 | static char *i2o_class_name[] = { | |
3228 | "Executive", | |
3229 | "Device Driver Module", | |
3230 | "Block Device", | |
3231 | "Tape Device", | |
3232 | "LAN Interface", | |
3233 | "WAN Interface", | |
3234 | "Fibre Channel Port", | |
3235 | "Fibre Channel Device", | |
3236 | "SCSI Device", | |
3237 | "ATE Port", | |
3238 | "ATE Device", | |
3239 | "Floppy Controller", | |
3240 | "Floppy Device", | |
3241 | "Secondary Bus Port", | |
3242 | "Peer Transport Agent", | |
3243 | "Peer Transport", | |
3244 | "Unknown" | |
3245 | }; | |
3246 | ||
3247 | switch(class&0xFFF) { | |
3248 | case I2O_CLASS_EXECUTIVE: | |
3249 | idx = 0; break; | |
3250 | case I2O_CLASS_DDM: | |
3251 | idx = 1; break; | |
3252 | case I2O_CLASS_RANDOM_BLOCK_STORAGE: | |
3253 | idx = 2; break; | |
3254 | case I2O_CLASS_SEQUENTIAL_STORAGE: | |
3255 | idx = 3; break; | |
3256 | case I2O_CLASS_LAN: | |
3257 | idx = 4; break; | |
3258 | case I2O_CLASS_WAN: | |
3259 | idx = 5; break; | |
3260 | case I2O_CLASS_FIBRE_CHANNEL_PORT: | |
3261 | idx = 6; break; | |
3262 | case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL: | |
3263 | idx = 7; break; | |
3264 | case I2O_CLASS_SCSI_PERIPHERAL: | |
3265 | idx = 8; break; | |
3266 | case I2O_CLASS_ATE_PORT: | |
3267 | idx = 9; break; | |
3268 | case I2O_CLASS_ATE_PERIPHERAL: | |
3269 | idx = 10; break; | |
3270 | case I2O_CLASS_FLOPPY_CONTROLLER: | |
3271 | idx = 11; break; | |
3272 | case I2O_CLASS_FLOPPY_DEVICE: | |
3273 | idx = 12; break; | |
3274 | case I2O_CLASS_BUS_ADAPTER_PORT: | |
3275 | idx = 13; break; | |
3276 | case I2O_CLASS_PEER_TRANSPORT_AGENT: | |
3277 | idx = 14; break; | |
3278 | case I2O_CLASS_PEER_TRANSPORT: | |
3279 | idx = 15; break; | |
3280 | } | |
3281 | return i2o_class_name[idx]; | |
3282 | } | |
3283 | #endif | |
3284 | ||
3285 | ||
3286 | static s32 adpt_i2o_hrt_get(adpt_hba* pHba) | |
3287 | { | |
3288 | u32 msg[6]; | |
3289 | int ret, size = sizeof(i2o_hrt); | |
3290 | ||
3291 | do { | |
3292 | if (pHba->hrt == NULL) { | |
67af2b06 MS |
3293 | pHba->hrt = dma_alloc_coherent(&pHba->pDev->dev, |
3294 | size, &pHba->hrt_pa, GFP_KERNEL); | |
1da177e4 LT |
3295 | if (pHba->hrt == NULL) { |
3296 | printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name); | |
3297 | return -ENOMEM; | |
3298 | } | |
3299 | } | |
3300 | ||
3301 | msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4; | |
3302 | msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID; | |
3303 | msg[2]= 0; | |
3304 | msg[3]= 0; | |
3305 | msg[4]= (0xD0000000 | size); /* Simple transaction */ | |
67af2b06 | 3306 | msg[5]= (u32)pHba->hrt_pa; /* Dump it here */ |
1da177e4 LT |
3307 | |
3308 | if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) { | |
3309 | printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret); | |
3310 | return ret; | |
3311 | } | |
3312 | ||
3313 | if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) { | |
67af2b06 MS |
3314 | int newsize = pHba->hrt->num_entries * pHba->hrt->entry_len << 2; |
3315 | dma_free_coherent(&pHba->pDev->dev, size, | |
3316 | pHba->hrt, pHba->hrt_pa); | |
3317 | size = newsize; | |
1da177e4 LT |
3318 | pHba->hrt = NULL; |
3319 | } | |
3320 | } while(pHba->hrt == NULL); | |
3321 | return 0; | |
3322 | } | |
3323 | ||
3324 | /* | |
3325 | * Query one scalar group value or a whole scalar group. | |
3326 | */ | |
3327 | static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid, | |
3328 | int group, int field, void *buf, int buflen) | |
3329 | { | |
3330 | u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field }; | |
67af2b06 MS |
3331 | u8 *opblk_va; |
3332 | dma_addr_t opblk_pa; | |
3333 | u8 *resblk_va; | |
3334 | dma_addr_t resblk_pa; | |
1da177e4 LT |
3335 | |
3336 | int size; | |
3337 | ||
3338 | /* 8 bytes for header */ | |
67af2b06 MS |
3339 | resblk_va = dma_alloc_coherent(&pHba->pDev->dev, |
3340 | sizeof(u8) * (8 + buflen), &resblk_pa, GFP_KERNEL); | |
3341 | if (resblk_va == NULL) { | |
1da177e4 LT |
3342 | printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name); |
3343 | return -ENOMEM; | |
3344 | } | |
3345 | ||
67af2b06 MS |
3346 | opblk_va = dma_alloc_coherent(&pHba->pDev->dev, |
3347 | sizeof(opblk), &opblk_pa, GFP_KERNEL); | |
3348 | if (opblk_va == NULL) { | |
3349 | dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen), | |
3350 | resblk_va, resblk_pa); | |
3351 | printk(KERN_CRIT "%s: query operatio failed; Out of memory.\n", | |
3352 | pHba->name); | |
3353 | return -ENOMEM; | |
3354 | } | |
1da177e4 LT |
3355 | if (field == -1) /* whole group */ |
3356 | opblk[4] = -1; | |
3357 | ||
67af2b06 | 3358 | memcpy(opblk_va, opblk, sizeof(opblk)); |
1da177e4 | 3359 | size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid, |
67af2b06 MS |
3360 | opblk_va, opblk_pa, sizeof(opblk), |
3361 | resblk_va, resblk_pa, sizeof(u8)*(8+buflen)); | |
3362 | dma_free_coherent(&pHba->pDev->dev, sizeof(opblk), opblk_va, opblk_pa); | |
1da177e4 | 3363 | if (size == -ETIME) { |
67af2b06 MS |
3364 | dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen), |
3365 | resblk_va, resblk_pa); | |
1da177e4 LT |
3366 | printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name); |
3367 | return -ETIME; | |
3368 | } else if (size == -EINTR) { | |
67af2b06 MS |
3369 | dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen), |
3370 | resblk_va, resblk_pa); | |
1da177e4 LT |
3371 | printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name); |
3372 | return -EINTR; | |
3373 | } | |
3374 | ||
67af2b06 | 3375 | memcpy(buf, resblk_va+8, buflen); /* cut off header */ |
1da177e4 | 3376 | |
67af2b06 MS |
3377 | dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen), |
3378 | resblk_va, resblk_pa); | |
1da177e4 LT |
3379 | if (size < 0) |
3380 | return size; | |
3381 | ||
3382 | return buflen; | |
3383 | } | |
3384 | ||
3385 | ||
3386 | /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET | |
3387 | * | |
3388 | * This function can be used for all UtilParamsGet/Set operations. | |
3389 | * The OperationBlock is given in opblk-buffer, | |
3390 | * and results are returned in resblk-buffer. | |
3391 | * Note that the minimum sized resblk is 8 bytes and contains | |
3392 | * ResultCount, ErrorInfoSize, BlockStatus and BlockSize. | |
3393 | */ | |
3394 | static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid, | |
67af2b06 MS |
3395 | void *opblk_va, dma_addr_t opblk_pa, int oplen, |
3396 | void *resblk_va, dma_addr_t resblk_pa, int reslen) | |
1da177e4 LT |
3397 | { |
3398 | u32 msg[9]; | |
67af2b06 | 3399 | u32 *res = (u32 *)resblk_va; |
1da177e4 LT |
3400 | int wait_status; |
3401 | ||
3402 | msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5; | |
3403 | msg[1] = cmd << 24 | HOST_TID << 12 | tid; | |
3404 | msg[2] = 0; | |
3405 | msg[3] = 0; | |
3406 | msg[4] = 0; | |
3407 | msg[5] = 0x54000000 | oplen; /* OperationBlock */ | |
67af2b06 | 3408 | msg[6] = (u32)opblk_pa; |
1da177e4 | 3409 | msg[7] = 0xD0000000 | reslen; /* ResultBlock */ |
67af2b06 | 3410 | msg[8] = (u32)resblk_pa; |
1da177e4 LT |
3411 | |
3412 | if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) { | |
67af2b06 | 3413 | printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va); |
1da177e4 LT |
3414 | return wait_status; /* -DetailedStatus */ |
3415 | } | |
3416 | ||
3417 | if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */ | |
3418 | printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, " | |
3419 | "BlockStatus = 0x%02x, BlockSize = 0x%04x\n", | |
3420 | pHba->name, | |
3421 | (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET" | |
3422 | : "PARAMS_GET", | |
3423 | res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF); | |
3424 | return -((res[1] >> 16) & 0xFF); /* -BlockStatus */ | |
3425 | } | |
3426 | ||
3427 | return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */ | |
3428 | } | |
3429 | ||
3430 | ||
3431 | static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba) | |
3432 | { | |
3433 | u32 msg[4]; | |
3434 | int ret; | |
3435 | ||
3436 | adpt_i2o_status_get(pHba); | |
3437 | ||
3438 | /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */ | |
3439 | ||
3440 | if((pHba->status_block->iop_state != ADAPTER_STATE_READY) && | |
3441 | (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){ | |
3442 | return 0; | |
3443 | } | |
3444 | ||
3445 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; | |
3446 | msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID; | |
3447 | msg[2] = 0; | |
3448 | msg[3] = 0; | |
3449 | ||
3450 | if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) { | |
3451 | printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n", | |
3452 | pHba->unit, -ret); | |
3453 | } else { | |
3454 | printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit); | |
3455 | } | |
3456 | ||
3457 | adpt_i2o_status_get(pHba); | |
3458 | return ret; | |
3459 | } | |
3460 | ||
3461 | ||
3462 | /* | |
3463 | * Enable IOP. Allows the IOP to resume external operations. | |
3464 | */ | |
3465 | static int adpt_i2o_enable_hba(adpt_hba* pHba) | |
3466 | { | |
3467 | u32 msg[4]; | |
3468 | int ret; | |
3469 | ||
3470 | adpt_i2o_status_get(pHba); | |
3471 | if(!pHba->status_block){ | |
3472 | return -ENOMEM; | |
3473 | } | |
3474 | /* Enable only allowed on READY state */ | |
3475 | if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL) | |
3476 | return 0; | |
3477 | ||
3478 | if(pHba->status_block->iop_state != ADAPTER_STATE_READY) | |
3479 | return -EINVAL; | |
3480 | ||
3481 | msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; | |
3482 | msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID; | |
3483 | msg[2]= 0; | |
3484 | msg[3]= 0; | |
3485 | ||
3486 | if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) { | |
3487 | printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n", | |
3488 | pHba->name, ret); | |
3489 | } else { | |
3490 | PDEBUG("%s: Enabled.\n", pHba->name); | |
3491 | } | |
3492 | ||
3493 | adpt_i2o_status_get(pHba); | |
3494 | return ret; | |
3495 | } | |
3496 | ||
3497 | ||
3498 | static int adpt_i2o_systab_send(adpt_hba* pHba) | |
3499 | { | |
3500 | u32 msg[12]; | |
3501 | int ret; | |
3502 | ||
3503 | msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6; | |
3504 | msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID; | |
3505 | msg[2] = 0; | |
3506 | msg[3] = 0; | |
3507 | msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */ | |
3508 | msg[5] = 0; /* Segment 0 */ | |
3509 | ||
3510 | /* | |
3511 | * Provide three SGL-elements: | |
3512 | * System table (SysTab), Private memory space declaration and | |
3513 | * Private i/o space declaration | |
3514 | */ | |
3515 | msg[6] = 0x54000000 | sys_tbl_len; | |
67af2b06 | 3516 | msg[7] = (u32)sys_tbl_pa; |
1da177e4 LT |
3517 | msg[8] = 0x54000000 | 0; |
3518 | msg[9] = 0; | |
3519 | msg[10] = 0xD4000000 | 0; | |
3520 | msg[11] = 0; | |
3521 | ||
3522 | if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) { | |
3523 | printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n", | |
3524 | pHba->name, ret); | |
3525 | } | |
3526 | #ifdef DEBUG | |
3527 | else { | |
3528 | PINFO("%s: SysTab set.\n", pHba->name); | |
3529 | } | |
3530 | #endif | |
3531 | ||
3532 | return ret; | |
3533 | } | |
3534 | ||
3535 | ||
3536 | /*============================================================================ | |
3537 | * | |
3538 | *============================================================================ | |
3539 | */ | |
3540 | ||
3541 | ||
3542 | #ifdef UARTDELAY | |
3543 | ||
3544 | static static void adpt_delay(int millisec) | |
3545 | { | |
3546 | int i; | |
3547 | for (i = 0; i < millisec; i++) { | |
3548 | udelay(1000); /* delay for one millisecond */ | |
3549 | } | |
3550 | } | |
3551 | ||
3552 | #endif | |
3553 | ||
24601bbc | 3554 | static struct scsi_host_template driver_template = { |
c864cb14 | 3555 | .module = THIS_MODULE, |
1da177e4 LT |
3556 | .name = "dpt_i2o", |
3557 | .proc_name = "dpt_i2o", | |
ff98f7ce | 3558 | .show_info = adpt_show_info, |
1da177e4 LT |
3559 | .info = adpt_info, |
3560 | .queuecommand = adpt_queue, | |
3561 | .eh_abort_handler = adpt_abort, | |
3562 | .eh_device_reset_handler = adpt_device_reset, | |
3563 | .eh_bus_reset_handler = adpt_bus_reset, | |
3564 | .eh_host_reset_handler = adpt_reset, | |
3565 | .bios_param = adpt_bios_param, | |
3566 | .slave_configure = adpt_slave_configure, | |
3567 | .can_queue = MAX_TO_IOP_MESSAGES, | |
3568 | .this_id = 7, | |
3569 | .cmd_per_lun = 1, | |
3570 | .use_clustering = ENABLE_CLUSTERING, | |
3571 | }; | |
c864cb14 MS |
3572 | |
3573 | static int __init adpt_init(void) | |
3574 | { | |
3575 | int error; | |
3576 | adpt_hba *pHba, *next; | |
3577 | ||
3578 | printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n"); | |
3579 | ||
3580 | error = adpt_detect(&driver_template); | |
3581 | if (error < 0) | |
3582 | return error; | |
3583 | if (hba_chain == NULL) | |
3584 | return -ENODEV; | |
3585 | ||
3586 | for (pHba = hba_chain; pHba; pHba = pHba->next) { | |
3587 | error = scsi_add_host(pHba->host, &pHba->pDev->dev); | |
3588 | if (error) | |
3589 | goto fail; | |
3590 | scsi_scan_host(pHba->host); | |
3591 | } | |
3592 | return 0; | |
3593 | fail: | |
3594 | for (pHba = hba_chain; pHba; pHba = next) { | |
3595 | next = pHba->next; | |
3596 | scsi_remove_host(pHba->host); | |
3597 | } | |
3598 | return error; | |
3599 | } | |
3600 | ||
3601 | static void __exit adpt_exit(void) | |
3602 | { | |
3603 | adpt_hba *pHba, *next; | |
3604 | ||
3605 | for (pHba = hba_chain; pHba; pHba = pHba->next) | |
3606 | scsi_remove_host(pHba->host); | |
3607 | for (pHba = hba_chain; pHba; pHba = next) { | |
3608 | next = pHba->next; | |
3609 | adpt_release(pHba->host); | |
3610 | } | |
3611 | } | |
3612 | ||
3613 | module_init(adpt_init); | |
3614 | module_exit(adpt_exit); | |
3615 | ||
1da177e4 | 3616 | MODULE_LICENSE("GPL"); |