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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> | |
dea3f665 | 52 | #include <linux/smp_lock.h> |
1da177e4 | 53 | #include <linux/spinlock.h> |
910638ae | 54 | #include <linux/dma-mapping.h> |
1da177e4 LT |
55 | |
56 | #include <linux/timer.h> | |
57 | #include <linux/string.h> | |
58 | #include <linux/ioport.h> | |
0b950672 | 59 | #include <linux/mutex.h> |
1da177e4 LT |
60 | |
61 | #include <asm/processor.h> /* for boot_cpu_data */ | |
62 | #include <asm/pgtable.h> | |
63 | #include <asm/io.h> /* for virt_to_bus, etc. */ | |
64 | ||
65 | #include <scsi/scsi.h> | |
66 | #include <scsi/scsi_cmnd.h> | |
67 | #include <scsi/scsi_device.h> | |
68 | #include <scsi/scsi_host.h> | |
69 | #include <scsi/scsi_tcq.h> | |
70 | ||
71 | #include "dpt/dptsig.h" | |
72 | #include "dpti.h" | |
73 | ||
74 | /*============================================================================ | |
75 | * Create a binary signature - this is read by dptsig | |
76 | * Needed for our management apps | |
77 | *============================================================================ | |
78 | */ | |
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 | ||
62ac5aed MS |
117 | #ifdef CONFIG_COMPAT |
118 | static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long); | |
119 | #endif | |
120 | ||
00977a59 | 121 | static const struct file_operations adpt_fops = { |
1da177e4 LT |
122 | .ioctl = adpt_ioctl, |
123 | .open = adpt_open, | |
62ac5aed MS |
124 | .release = adpt_close, |
125 | #ifdef CONFIG_COMPAT | |
126 | .compat_ioctl = compat_adpt_ioctl, | |
1da177e4 | 127 | #endif |
1da177e4 | 128 | }; |
1da177e4 LT |
129 | |
130 | /* Structures and definitions for synchronous message posting. | |
131 | * See adpt_i2o_post_wait() for description | |
132 | * */ | |
133 | struct adpt_i2o_post_wait_data | |
134 | { | |
135 | int status; | |
136 | u32 id; | |
137 | adpt_wait_queue_head_t *wq; | |
138 | struct adpt_i2o_post_wait_data *next; | |
139 | }; | |
140 | ||
141 | static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL; | |
142 | static u32 adpt_post_wait_id = 0; | |
143 | static DEFINE_SPINLOCK(adpt_post_wait_lock); | |
144 | ||
145 | ||
146 | /*============================================================================ | |
147 | * Functions | |
148 | *============================================================================ | |
149 | */ | |
150 | ||
62ac5aed MS |
151 | static inline int dpt_dma64(adpt_hba *pHba) |
152 | { | |
153 | return (sizeof(dma_addr_t) > 4 && (pHba)->dma64); | |
154 | } | |
155 | ||
67af2b06 MS |
156 | static inline u32 dma_high(dma_addr_t addr) |
157 | { | |
158 | return upper_32_bits(addr); | |
159 | } | |
160 | ||
161 | static inline u32 dma_low(dma_addr_t addr) | |
162 | { | |
163 | return (u32)addr; | |
164 | } | |
165 | ||
1da177e4 LT |
166 | static u8 adpt_read_blink_led(adpt_hba* host) |
167 | { | |
172c122d | 168 | if (host->FwDebugBLEDflag_P) { |
1da177e4 LT |
169 | if( readb(host->FwDebugBLEDflag_P) == 0xbc ){ |
170 | return readb(host->FwDebugBLEDvalue_P); | |
171 | } | |
172 | } | |
173 | return 0; | |
174 | } | |
175 | ||
176 | /*============================================================================ | |
177 | * Scsi host template interface functions | |
178 | *============================================================================ | |
179 | */ | |
180 | ||
181 | static struct pci_device_id dptids[] = { | |
182 | { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, | |
183 | { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,}, | |
184 | { 0, } | |
185 | }; | |
186 | MODULE_DEVICE_TABLE(pci,dptids); | |
187 | ||
24601bbc | 188 | static int adpt_detect(struct scsi_host_template* sht) |
1da177e4 LT |
189 | { |
190 | struct pci_dev *pDev = NULL; | |
191 | adpt_hba* pHba; | |
192 | ||
1da177e4 LT |
193 | PINFO("Detecting Adaptec I2O RAID controllers...\n"); |
194 | ||
195 | /* search for all Adatpec I2O RAID cards */ | |
a07f3537 | 196 | while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) { |
1da177e4 LT |
197 | if(pDev->device == PCI_DPT_DEVICE_ID || |
198 | pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){ | |
24601bbc | 199 | if(adpt_install_hba(sht, pDev) ){ |
1da177e4 LT |
200 | PERROR("Could not Init an I2O RAID device\n"); |
201 | PERROR("Will not try to detect others.\n"); | |
202 | return hba_count-1; | |
203 | } | |
a07f3537 | 204 | pci_dev_get(pDev); |
1da177e4 LT |
205 | } |
206 | } | |
207 | ||
208 | /* In INIT state, Activate IOPs */ | |
209 | for (pHba = hba_chain; pHba; pHba = pHba->next) { | |
210 | // Activate does get status , init outbound, and get hrt | |
211 | if (adpt_i2o_activate_hba(pHba) < 0) { | |
212 | adpt_i2o_delete_hba(pHba); | |
213 | } | |
214 | } | |
215 | ||
216 | ||
217 | /* Active IOPs in HOLD state */ | |
218 | ||
219 | rebuild_sys_tab: | |
220 | if (hba_chain == NULL) | |
221 | return 0; | |
222 | ||
223 | /* | |
224 | * If build_sys_table fails, we kill everything and bail | |
225 | * as we can't init the IOPs w/o a system table | |
226 | */ | |
227 | if (adpt_i2o_build_sys_table() < 0) { | |
228 | adpt_i2o_sys_shutdown(); | |
229 | return 0; | |
230 | } | |
231 | ||
232 | PDEBUG("HBA's in HOLD state\n"); | |
233 | ||
234 | /* If IOP don't get online, we need to rebuild the System table */ | |
235 | for (pHba = hba_chain; pHba; pHba = pHba->next) { | |
236 | if (adpt_i2o_online_hba(pHba) < 0) { | |
237 | adpt_i2o_delete_hba(pHba); | |
238 | goto rebuild_sys_tab; | |
239 | } | |
240 | } | |
241 | ||
242 | /* Active IOPs now in OPERATIONAL state */ | |
243 | PDEBUG("HBA's in OPERATIONAL state\n"); | |
244 | ||
245 | printk("dpti: If you have a lot of devices this could take a few minutes.\n"); | |
246 | for (pHba = hba_chain; pHba; pHba = pHba->next) { | |
247 | printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name); | |
248 | if (adpt_i2o_lct_get(pHba) < 0){ | |
249 | adpt_i2o_delete_hba(pHba); | |
250 | continue; | |
251 | } | |
252 | ||
253 | if (adpt_i2o_parse_lct(pHba) < 0){ | |
254 | adpt_i2o_delete_hba(pHba); | |
255 | continue; | |
256 | } | |
257 | adpt_inquiry(pHba); | |
258 | } | |
259 | ||
1ed43910 MS |
260 | adpt_sysfs_class = class_create(THIS_MODULE, "dpt_i2o"); |
261 | if (IS_ERR(adpt_sysfs_class)) { | |
262 | printk(KERN_WARNING"dpti: unable to create dpt_i2o class\n"); | |
263 | adpt_sysfs_class = NULL; | |
264 | } | |
265 | ||
1da177e4 | 266 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
c864cb14 | 267 | if (adpt_scsi_host_alloc(pHba, sht) < 0){ |
1da177e4 LT |
268 | adpt_i2o_delete_hba(pHba); |
269 | continue; | |
270 | } | |
271 | pHba->initialized = TRUE; | |
272 | pHba->state &= ~DPTI_STATE_RESET; | |
1ed43910 | 273 | if (adpt_sysfs_class) { |
d73a1a67 | 274 | struct device *dev = device_create(adpt_sysfs_class, |
9def0b97 | 275 | NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL, |
1ed43910 MS |
276 | "dpti%d", pHba->unit); |
277 | if (IS_ERR(dev)) { | |
278 | printk(KERN_WARNING"dpti%d: unable to " | |
279 | "create device in dpt_i2o class\n", | |
280 | pHba->unit); | |
281 | } | |
282 | } | |
1da177e4 LT |
283 | } |
284 | ||
285 | // Register our control device node | |
286 | // nodes will need to be created in /dev to access this | |
287 | // the nodes can not be created from within the driver | |
288 | if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) { | |
24601bbc | 289 | adpt_i2o_sys_shutdown(); |
1da177e4 LT |
290 | return 0; |
291 | } | |
292 | return hba_count; | |
293 | } | |
294 | ||
295 | ||
24601bbc AM |
296 | /* |
297 | * scsi_unregister will be called AFTER we return. | |
298 | */ | |
299 | static int adpt_release(struct Scsi_Host *host) | |
1da177e4 | 300 | { |
24601bbc | 301 | adpt_hba* pHba = (adpt_hba*) host->hostdata[0]; |
1da177e4 LT |
302 | // adpt_i2o_quiesce_hba(pHba); |
303 | adpt_i2o_delete_hba(pHba); | |
24601bbc | 304 | scsi_unregister(host); |
1da177e4 LT |
305 | return 0; |
306 | } | |
307 | ||
308 | ||
309 | static void adpt_inquiry(adpt_hba* pHba) | |
310 | { | |
62ac5aed | 311 | u32 msg[17]; |
1da177e4 LT |
312 | u32 *mptr; |
313 | u32 *lenptr; | |
314 | int direction; | |
315 | int scsidir; | |
316 | u32 len; | |
317 | u32 reqlen; | |
318 | u8* buf; | |
67af2b06 | 319 | dma_addr_t addr; |
1da177e4 LT |
320 | u8 scb[16]; |
321 | s32 rcode; | |
322 | ||
323 | memset(msg, 0, sizeof(msg)); | |
67af2b06 | 324 | buf = dma_alloc_coherent(&pHba->pDev->dev, 80, &addr, GFP_KERNEL); |
1da177e4 LT |
325 | if(!buf){ |
326 | printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name); | |
327 | return; | |
328 | } | |
329 | memset((void*)buf, 0, 36); | |
330 | ||
331 | len = 36; | |
332 | direction = 0x00000000; | |
333 | scsidir =0x40000000; // DATA IN (iop<--dev) | |
334 | ||
62ac5aed MS |
335 | if (dpt_dma64(pHba)) |
336 | reqlen = 17; // SINGLE SGE, 64 bit | |
337 | else | |
338 | reqlen = 14; // SINGLE SGE, 32 bit | |
1da177e4 LT |
339 | /* Stick the headers on */ |
340 | msg[0] = reqlen<<16 | SGL_OFFSET_12; | |
341 | msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID); | |
342 | msg[2] = 0; | |
343 | msg[3] = 0; | |
344 | // Adaptec/DPT Private stuff | |
345 | msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16; | |
346 | msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/; | |
347 | /* Direction, disconnect ok | sense data | simple queue , CDBLen */ | |
348 | // I2O_SCB_FLAG_ENABLE_DISCONNECT | | |
349 | // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG | | |
350 | // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; | |
351 | msg[6] = scsidir|0x20a00000| 6 /* cmd len*/; | |
352 | ||
353 | mptr=msg+7; | |
354 | ||
355 | memset(scb, 0, sizeof(scb)); | |
356 | // Write SCSI command into the message - always 16 byte block | |
357 | scb[0] = INQUIRY; | |
358 | scb[1] = 0; | |
359 | scb[2] = 0; | |
360 | scb[3] = 0; | |
361 | scb[4] = 36; | |
362 | scb[5] = 0; | |
363 | // Don't care about the rest of scb | |
364 | ||
365 | memcpy(mptr, scb, sizeof(scb)); | |
366 | mptr+=4; | |
367 | lenptr=mptr++; /* Remember me - fill in when we know */ | |
368 | ||
369 | /* Now fill in the SGList and command */ | |
370 | *lenptr = len; | |
62ac5aed MS |
371 | if (dpt_dma64(pHba)) { |
372 | *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */ | |
373 | *mptr++ = 1 << PAGE_SHIFT; | |
374 | *mptr++ = 0xD0000000|direction|len; | |
375 | *mptr++ = dma_low(addr); | |
376 | *mptr++ = dma_high(addr); | |
377 | } else { | |
378 | *mptr++ = 0xD0000000|direction|len; | |
379 | *mptr++ = addr; | |
380 | } | |
1da177e4 LT |
381 | |
382 | // Send it on it's way | |
383 | rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120); | |
384 | if (rcode != 0) { | |
385 | sprintf(pHba->detail, "Adaptec I2O RAID"); | |
386 | printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode); | |
387 | if (rcode != -ETIME && rcode != -EINTR) | |
67af2b06 | 388 | dma_free_coherent(&pHba->pDev->dev, 80, buf, addr); |
1da177e4 LT |
389 | } else { |
390 | memset(pHba->detail, 0, sizeof(pHba->detail)); | |
391 | memcpy(&(pHba->detail), "Vendor: Adaptec ", 16); | |
392 | memcpy(&(pHba->detail[16]), " Model: ", 8); | |
393 | memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16); | |
394 | memcpy(&(pHba->detail[40]), " FW: ", 4); | |
395 | memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4); | |
396 | pHba->detail[48] = '\0'; /* precautionary */ | |
67af2b06 | 397 | dma_free_coherent(&pHba->pDev->dev, 80, buf, addr); |
1da177e4 LT |
398 | } |
399 | adpt_i2o_status_get(pHba); | |
400 | return ; | |
401 | } | |
402 | ||
403 | ||
404 | static int adpt_slave_configure(struct scsi_device * device) | |
405 | { | |
406 | struct Scsi_Host *host = device->host; | |
407 | adpt_hba* pHba; | |
408 | ||
409 | pHba = (adpt_hba *) host->hostdata[0]; | |
410 | ||
411 | if (host->can_queue && device->tagged_supported) { | |
412 | scsi_adjust_queue_depth(device, MSG_SIMPLE_TAG, | |
413 | host->can_queue - 1); | |
414 | } else { | |
415 | scsi_adjust_queue_depth(device, 0, 1); | |
416 | } | |
417 | return 0; | |
418 | } | |
419 | ||
420 | static int adpt_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *)) | |
421 | { | |
422 | adpt_hba* pHba = NULL; | |
423 | struct adpt_device* pDev = NULL; /* dpt per device information */ | |
1da177e4 LT |
424 | |
425 | cmd->scsi_done = done; | |
426 | /* | |
427 | * SCSI REQUEST_SENSE commands will be executed automatically by the | |
428 | * Host Adapter for any errors, so they should not be executed | |
429 | * explicitly unless the Sense Data is zero indicating that no error | |
430 | * occurred. | |
431 | */ | |
432 | ||
433 | if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) { | |
434 | cmd->result = (DID_OK << 16); | |
435 | cmd->scsi_done(cmd); | |
436 | return 0; | |
437 | } | |
438 | ||
439 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; | |
440 | if (!pHba) { | |
441 | return FAILED; | |
442 | } | |
443 | ||
444 | rmb(); | |
445 | /* | |
446 | * TODO: I need to block here if I am processing ioctl cmds | |
447 | * but if the outstanding cmds all finish before the ioctl, | |
448 | * the scsi-core will not know to start sending cmds to me again. | |
449 | * I need to a way to restart the scsi-cores queues or should I block | |
450 | * calling scsi_done on the outstanding cmds instead | |
451 | * for now we don't set the IOCTL state | |
452 | */ | |
453 | if(((pHba->state) & DPTI_STATE_IOCTL) || ((pHba->state) & DPTI_STATE_RESET)) { | |
454 | pHba->host->last_reset = jiffies; | |
455 | pHba->host->resetting = 1; | |
456 | return 1; | |
457 | } | |
458 | ||
1da177e4 LT |
459 | // TODO if the cmd->device if offline then I may need to issue a bus rescan |
460 | // followed by a get_lct to see if the device is there anymore | |
461 | if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) { | |
462 | /* | |
463 | * First command request for this device. Set up a pointer | |
464 | * to the device structure. This should be a TEST_UNIT_READY | |
465 | * command from scan_scsis_single. | |
466 | */ | |
467 | if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun)) == NULL) { | |
468 | // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response | |
469 | // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue. | |
470 | cmd->result = (DID_NO_CONNECT << 16); | |
471 | cmd->scsi_done(cmd); | |
472 | return 0; | |
473 | } | |
474 | cmd->device->hostdata = pDev; | |
475 | } | |
476 | pDev->pScsi_dev = cmd->device; | |
477 | ||
478 | /* | |
479 | * If we are being called from when the device is being reset, | |
480 | * delay processing of the command until later. | |
481 | */ | |
482 | if (pDev->state & DPTI_DEV_RESET ) { | |
483 | return FAILED; | |
484 | } | |
485 | return adpt_scsi_to_i2o(pHba, cmd, pDev); | |
486 | } | |
487 | ||
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 | ||
548 | static int adpt_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, | |
549 | int length, int inout) | |
550 | { | |
551 | struct adpt_device* d; | |
552 | int id; | |
553 | int chan; | |
554 | int len = 0; | |
555 | int begin = 0; | |
556 | int pos = 0; | |
557 | adpt_hba* pHba; | |
558 | int unit; | |
559 | ||
560 | *start = buffer; | |
561 | if (inout == TRUE) { | |
562 | /* | |
563 | * The user has done a write and wants us to take the | |
564 | * data in the buffer and do something with it. | |
565 | * proc_scsiwrite calls us with inout = 1 | |
566 | * | |
567 | * Read data from buffer (writing to us) - NOT SUPPORTED | |
568 | */ | |
569 | return -EINVAL; | |
570 | } | |
571 | ||
572 | /* | |
573 | * inout = 0 means the user has done a read and wants information | |
574 | * returned, so we write information about the cards into the buffer | |
575 | * proc_scsiread() calls us with inout = 0 | |
576 | */ | |
577 | ||
578 | // Find HBA (host bus adapter) we are looking for | |
0b950672 | 579 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
580 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
581 | if (pHba->host == host) { | |
582 | break; /* found adapter */ | |
583 | } | |
584 | } | |
0b950672 | 585 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
586 | if (pHba == NULL) { |
587 | return 0; | |
588 | } | |
589 | host = pHba->host; | |
590 | ||
591 | len = sprintf(buffer , "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION); | |
592 | len += sprintf(buffer+len, "%s\n", pHba->detail); | |
593 | len += sprintf(buffer+len, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n", | |
594 | pHba->host->host_no, pHba->name, host->irq); | |
595 | len += sprintf(buffer+len, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n", | |
596 | host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize); | |
597 | ||
598 | pos = begin + len; | |
599 | ||
600 | /* CHECKPOINT */ | |
601 | if(pos > offset + length) { | |
602 | goto stop_output; | |
603 | } | |
604 | if(pos <= offset) { | |
605 | /* | |
606 | * If we haven't even written to where we last left | |
607 | * off (the last time we were called), reset the | |
608 | * beginning pointer. | |
609 | */ | |
610 | len = 0; | |
611 | begin = pos; | |
612 | } | |
613 | len += sprintf(buffer+len, "Devices:\n"); | |
614 | for(chan = 0; chan < MAX_CHANNEL; chan++) { | |
615 | for(id = 0; id < MAX_ID; id++) { | |
616 | d = pHba->channel[chan].device[id]; | |
617 | while(d){ | |
618 | len += sprintf(buffer+len,"\t%-24.24s", d->pScsi_dev->vendor); | |
619 | len += sprintf(buffer+len," Rev: %-8.8s\n", d->pScsi_dev->rev); | |
620 | pos = begin + len; | |
621 | ||
622 | ||
623 | /* CHECKPOINT */ | |
624 | if(pos > offset + length) { | |
625 | goto stop_output; | |
626 | } | |
627 | if(pos <= offset) { | |
628 | len = 0; | |
629 | begin = pos; | |
630 | } | |
631 | ||
632 | unit = d->pI2o_dev->lct_data.tid; | |
633 | len += sprintf(buffer+len, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n", | |
634 | unit, (int)d->scsi_channel, (int)d->scsi_id, (int)d->scsi_lun, | |
635 | scsi_device_online(d->pScsi_dev)? "online":"offline"); | |
636 | pos = begin + len; | |
637 | ||
638 | /* CHECKPOINT */ | |
639 | if(pos > offset + length) { | |
640 | goto stop_output; | |
641 | } | |
642 | if(pos <= offset) { | |
643 | len = 0; | |
644 | begin = pos; | |
645 | } | |
646 | ||
647 | d = d->next_lun; | |
648 | } | |
649 | } | |
650 | } | |
651 | ||
652 | /* | |
653 | * begin is where we last checked our position with regards to offset | |
654 | * begin is always less than offset. len is relative to begin. It | |
655 | * is the number of bytes written past begin | |
656 | * | |
657 | */ | |
658 | stop_output: | |
659 | /* stop the output and calculate the correct length */ | |
660 | *(buffer + len) = '\0'; | |
661 | ||
662 | *start = buffer + (offset - begin); /* Start of wanted data */ | |
663 | len -= (offset - begin); | |
664 | if(len > length) { | |
665 | len = length; | |
666 | } else if(len < 0){ | |
667 | len = 0; | |
668 | **start = '\0'; | |
669 | } | |
670 | return len; | |
671 | } | |
672 | ||
62ac5aed MS |
673 | /* |
674 | * Turn a struct scsi_cmnd * into a unique 32 bit 'context'. | |
675 | */ | |
676 | static u32 adpt_cmd_to_context(struct scsi_cmnd *cmd) | |
677 | { | |
678 | return (u32)cmd->serial_number; | |
679 | } | |
680 | ||
681 | /* | |
682 | * Go from a u32 'context' to a struct scsi_cmnd * . | |
683 | * This could probably be made more efficient. | |
684 | */ | |
685 | static struct scsi_cmnd * | |
686 | adpt_cmd_from_context(adpt_hba * pHba, u32 context) | |
687 | { | |
688 | struct scsi_cmnd * cmd; | |
689 | struct scsi_device * d; | |
690 | ||
691 | if (context == 0) | |
692 | return NULL; | |
693 | ||
694 | spin_unlock(pHba->host->host_lock); | |
695 | shost_for_each_device(d, pHba->host) { | |
696 | unsigned long flags; | |
697 | spin_lock_irqsave(&d->list_lock, flags); | |
698 | list_for_each_entry(cmd, &d->cmd_list, list) { | |
699 | if (((u32)cmd->serial_number == context)) { | |
700 | spin_unlock_irqrestore(&d->list_lock, flags); | |
701 | scsi_device_put(d); | |
702 | spin_lock(pHba->host->host_lock); | |
703 | return cmd; | |
704 | } | |
705 | } | |
706 | spin_unlock_irqrestore(&d->list_lock, flags); | |
707 | } | |
708 | spin_lock(pHba->host->host_lock); | |
709 | ||
710 | return NULL; | |
711 | } | |
712 | ||
713 | /* | |
714 | * Turn a pointer to ioctl reply data into an u32 'context' | |
715 | */ | |
716 | static u32 adpt_ioctl_to_context(adpt_hba * pHba, void *reply) | |
717 | { | |
718 | #if BITS_PER_LONG == 32 | |
719 | return (u32)(unsigned long)reply; | |
720 | #else | |
721 | ulong flags = 0; | |
722 | u32 nr, i; | |
723 | ||
724 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
725 | nr = ARRAY_SIZE(pHba->ioctl_reply_context); | |
726 | for (i = 0; i < nr; i++) { | |
727 | if (pHba->ioctl_reply_context[i] == NULL) { | |
728 | pHba->ioctl_reply_context[i] = reply; | |
729 | break; | |
730 | } | |
731 | } | |
732 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
733 | if (i >= nr) { | |
734 | kfree (reply); | |
735 | printk(KERN_WARNING"%s: Too many outstanding " | |
736 | "ioctl commands\n", pHba->name); | |
737 | return (u32)-1; | |
738 | } | |
739 | ||
740 | return i; | |
741 | #endif | |
742 | } | |
743 | ||
744 | /* | |
745 | * Go from an u32 'context' to a pointer to ioctl reply data. | |
746 | */ | |
747 | static void *adpt_ioctl_from_context(adpt_hba *pHba, u32 context) | |
748 | { | |
749 | #if BITS_PER_LONG == 32 | |
750 | return (void *)(unsigned long)context; | |
751 | #else | |
752 | void *p = pHba->ioctl_reply_context[context]; | |
753 | pHba->ioctl_reply_context[context] = NULL; | |
754 | ||
755 | return p; | |
756 | #endif | |
757 | } | |
1da177e4 LT |
758 | |
759 | /*=========================================================================== | |
760 | * Error Handling routines | |
761 | *=========================================================================== | |
762 | */ | |
763 | ||
764 | static int adpt_abort(struct scsi_cmnd * cmd) | |
765 | { | |
766 | adpt_hba* pHba = NULL; /* host bus adapter structure */ | |
767 | struct adpt_device* dptdevice; /* dpt per device information */ | |
768 | u32 msg[5]; | |
769 | int rcode; | |
770 | ||
771 | if(cmd->serial_number == 0){ | |
772 | return FAILED; | |
773 | } | |
774 | pHba = (adpt_hba*) cmd->device->host->hostdata[0]; | |
775 | printk(KERN_INFO"%s: Trying to Abort cmd=%ld\n",pHba->name, cmd->serial_number); | |
776 | if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) { | |
777 | printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name); | |
778 | return FAILED; | |
779 | } | |
780 | ||
781 | memset(msg, 0, sizeof(msg)); | |
782 | msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0; | |
783 | msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid; | |
784 | msg[2] = 0; | |
785 | msg[3]= 0; | |
62ac5aed | 786 | msg[4] = adpt_cmd_to_context(cmd); |
e5508c13 SM |
787 | if (pHba->host) |
788 | spin_lock_irq(pHba->host->host_lock); | |
789 | rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER); | |
790 | if (pHba->host) | |
791 | spin_unlock_irq(pHba->host->host_lock); | |
792 | if (rcode != 0) { | |
1da177e4 LT |
793 | if(rcode == -EOPNOTSUPP ){ |
794 | printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name); | |
795 | return FAILED; | |
796 | } | |
797 | printk(KERN_INFO"%s: Abort cmd=%ld failed.\n",pHba->name, cmd->serial_number); | |
798 | return FAILED; | |
799 | } | |
800 | printk(KERN_INFO"%s: Abort cmd=%ld complete.\n",pHba->name, cmd->serial_number); | |
801 | return SUCCESS; | |
802 | } | |
803 | ||
804 | ||
805 | #define I2O_DEVICE_RESET 0x27 | |
806 | // This is the same for BLK and SCSI devices | |
807 | // NOTE this is wrong in the i2o.h definitions | |
808 | // This is not currently supported by our adapter but we issue it anyway | |
809 | static int adpt_device_reset(struct scsi_cmnd* cmd) | |
810 | { | |
811 | adpt_hba* pHba; | |
812 | u32 msg[4]; | |
813 | u32 rcode; | |
814 | int old_state; | |
1c2fb3f3 | 815 | struct adpt_device* d = cmd->device->hostdata; |
1da177e4 LT |
816 | |
817 | pHba = (void*) cmd->device->host->hostdata[0]; | |
818 | printk(KERN_INFO"%s: Trying to reset device\n",pHba->name); | |
819 | if (!d) { | |
820 | printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name); | |
821 | return FAILED; | |
822 | } | |
823 | memset(msg, 0, sizeof(msg)); | |
824 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; | |
825 | msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid); | |
826 | msg[2] = 0; | |
827 | msg[3] = 0; | |
828 | ||
e5508c13 SM |
829 | if (pHba->host) |
830 | spin_lock_irq(pHba->host->host_lock); | |
1da177e4 LT |
831 | old_state = d->state; |
832 | d->state |= DPTI_DEV_RESET; | |
e5508c13 SM |
833 | rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER); |
834 | d->state = old_state; | |
835 | if (pHba->host) | |
836 | spin_unlock_irq(pHba->host->host_lock); | |
837 | if (rcode != 0) { | |
1da177e4 LT |
838 | if(rcode == -EOPNOTSUPP ){ |
839 | printk(KERN_INFO"%s: Device reset not supported\n",pHba->name); | |
840 | return FAILED; | |
841 | } | |
842 | printk(KERN_INFO"%s: Device reset failed\n",pHba->name); | |
843 | return FAILED; | |
844 | } else { | |
1da177e4 LT |
845 | printk(KERN_INFO"%s: Device reset successful\n",pHba->name); |
846 | return SUCCESS; | |
847 | } | |
848 | } | |
849 | ||
850 | ||
851 | #define I2O_HBA_BUS_RESET 0x87 | |
852 | // This version of bus reset is called by the eh_error handler | |
853 | static int adpt_bus_reset(struct scsi_cmnd* cmd) | |
854 | { | |
855 | adpt_hba* pHba; | |
856 | u32 msg[4]; | |
e5508c13 | 857 | u32 rcode; |
1da177e4 LT |
858 | |
859 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; | |
860 | memset(msg, 0, sizeof(msg)); | |
861 | printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid ); | |
862 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; | |
863 | msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid); | |
864 | msg[2] = 0; | |
865 | msg[3] = 0; | |
e5508c13 SM |
866 | if (pHba->host) |
867 | spin_lock_irq(pHba->host->host_lock); | |
868 | rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER); | |
869 | if (pHba->host) | |
870 | spin_unlock_irq(pHba->host->host_lock); | |
871 | if (rcode != 0) { | |
1da177e4 LT |
872 | printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name); |
873 | return FAILED; | |
874 | } else { | |
875 | printk(KERN_WARNING"%s: Bus reset success.\n",pHba->name); | |
876 | return SUCCESS; | |
877 | } | |
878 | } | |
879 | ||
880 | // This version of reset is called by the eh_error_handler | |
df0ae249 | 881 | static int __adpt_reset(struct scsi_cmnd* cmd) |
1da177e4 LT |
882 | { |
883 | adpt_hba* pHba; | |
884 | int rcode; | |
885 | pHba = (adpt_hba*)cmd->device->host->hostdata[0]; | |
886 | printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n",pHba->name,cmd->device->channel,pHba->channel[cmd->device->channel].tid ); | |
887 | rcode = adpt_hba_reset(pHba); | |
888 | if(rcode == 0){ | |
889 | printk(KERN_WARNING"%s: HBA reset complete\n",pHba->name); | |
890 | return SUCCESS; | |
891 | } else { | |
892 | printk(KERN_WARNING"%s: HBA reset failed (%x)\n",pHba->name, rcode); | |
893 | return FAILED; | |
894 | } | |
895 | } | |
896 | ||
df0ae249 JG |
897 | static int adpt_reset(struct scsi_cmnd* cmd) |
898 | { | |
899 | int rc; | |
900 | ||
901 | spin_lock_irq(cmd->device->host->host_lock); | |
902 | rc = __adpt_reset(cmd); | |
903 | spin_unlock_irq(cmd->device->host->host_lock); | |
904 | ||
905 | return rc; | |
906 | } | |
907 | ||
1da177e4 LT |
908 | // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset |
909 | static int adpt_hba_reset(adpt_hba* pHba) | |
910 | { | |
911 | int rcode; | |
912 | ||
913 | pHba->state |= DPTI_STATE_RESET; | |
914 | ||
915 | // Activate does get status , init outbound, and get hrt | |
916 | if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) { | |
917 | printk(KERN_ERR "%s: Could not activate\n", pHba->name); | |
918 | adpt_i2o_delete_hba(pHba); | |
919 | return rcode; | |
920 | } | |
921 | ||
922 | if ((rcode=adpt_i2o_build_sys_table()) < 0) { | |
923 | adpt_i2o_delete_hba(pHba); | |
924 | return rcode; | |
925 | } | |
926 | PDEBUG("%s: in HOLD state\n",pHba->name); | |
927 | ||
928 | if ((rcode=adpt_i2o_online_hba(pHba)) < 0) { | |
929 | adpt_i2o_delete_hba(pHba); | |
930 | return rcode; | |
931 | } | |
932 | PDEBUG("%s: in OPERATIONAL state\n",pHba->name); | |
933 | ||
934 | if ((rcode=adpt_i2o_lct_get(pHba)) < 0){ | |
935 | adpt_i2o_delete_hba(pHba); | |
936 | return rcode; | |
937 | } | |
938 | ||
939 | if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){ | |
940 | adpt_i2o_delete_hba(pHba); | |
941 | return rcode; | |
942 | } | |
943 | pHba->state &= ~DPTI_STATE_RESET; | |
944 | ||
945 | adpt_fail_posted_scbs(pHba); | |
946 | return 0; /* return success */ | |
947 | } | |
948 | ||
949 | /*=========================================================================== | |
950 | * | |
951 | *=========================================================================== | |
952 | */ | |
953 | ||
954 | ||
955 | static void adpt_i2o_sys_shutdown(void) | |
956 | { | |
957 | adpt_hba *pHba, *pNext; | |
458af543 | 958 | struct adpt_i2o_post_wait_data *p1, *old; |
1da177e4 LT |
959 | |
960 | printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n"); | |
961 | printk(KERN_INFO" This could take a few minutes if there are many devices attached\n"); | |
962 | /* Delete all IOPs from the controller chain */ | |
963 | /* They should have already been released by the | |
964 | * scsi-core | |
965 | */ | |
966 | for (pHba = hba_chain; pHba; pHba = pNext) { | |
967 | pNext = pHba->next; | |
968 | adpt_i2o_delete_hba(pHba); | |
969 | } | |
970 | ||
971 | /* Remove any timedout entries from the wait queue. */ | |
1da177e4 LT |
972 | // spin_lock_irqsave(&adpt_post_wait_lock, flags); |
973 | /* Nothing should be outstanding at this point so just | |
974 | * free them | |
975 | */ | |
458af543 AB |
976 | for(p1 = adpt_post_wait_queue; p1;) { |
977 | old = p1; | |
978 | p1 = p1->next; | |
979 | kfree(old); | |
1da177e4 LT |
980 | } |
981 | // spin_unlock_irqrestore(&adpt_post_wait_lock, flags); | |
982 | adpt_post_wait_queue = NULL; | |
983 | ||
984 | printk(KERN_INFO "Adaptec I2O controllers down.\n"); | |
985 | } | |
986 | ||
24601bbc | 987 | static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) |
1da177e4 LT |
988 | { |
989 | ||
990 | adpt_hba* pHba = NULL; | |
991 | adpt_hba* p = NULL; | |
992 | ulong base_addr0_phys = 0; | |
993 | ulong base_addr1_phys = 0; | |
994 | u32 hba_map0_area_size = 0; | |
995 | u32 hba_map1_area_size = 0; | |
996 | void __iomem *base_addr_virt = NULL; | |
997 | void __iomem *msg_addr_virt = NULL; | |
62ac5aed | 998 | int dma64 = 0; |
1da177e4 LT |
999 | |
1000 | int raptorFlag = FALSE; | |
1da177e4 LT |
1001 | |
1002 | if(pci_enable_device(pDev)) { | |
1003 | return -EINVAL; | |
1004 | } | |
9638d89a SM |
1005 | |
1006 | if (pci_request_regions(pDev, "dpt_i2o")) { | |
1007 | PERROR("dpti: adpt_config_hba: pci request region failed\n"); | |
1008 | return -EINVAL; | |
1009 | } | |
1010 | ||
1da177e4 | 1011 | pci_set_master(pDev); |
62ac5aed MS |
1012 | |
1013 | /* | |
1014 | * See if we should enable dma64 mode. | |
1015 | */ | |
1016 | if (sizeof(dma_addr_t) > 4 && | |
6a35528a | 1017 | pci_set_dma_mask(pDev, DMA_BIT_MASK(64)) == 0) { |
284901a9 | 1018 | if (dma_get_required_mask(&pDev->dev) > DMA_BIT_MASK(32)) |
62ac5aed MS |
1019 | dma64 = 1; |
1020 | } | |
284901a9 | 1021 | if (!dma64 && pci_set_dma_mask(pDev, DMA_BIT_MASK(32)) != 0) |
1da177e4 LT |
1022 | return -EINVAL; |
1023 | ||
67af2b06 | 1024 | /* adapter only supports message blocks below 4GB */ |
284901a9 | 1025 | pci_set_consistent_dma_mask(pDev, DMA_BIT_MASK(32)); |
67af2b06 | 1026 | |
1da177e4 LT |
1027 | base_addr0_phys = pci_resource_start(pDev,0); |
1028 | hba_map0_area_size = pci_resource_len(pDev,0); | |
1029 | ||
1030 | // Check if standard PCI card or single BAR Raptor | |
1031 | if(pDev->device == PCI_DPT_DEVICE_ID){ | |
1032 | if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){ | |
1033 | // Raptor card with this device id needs 4M | |
1034 | hba_map0_area_size = 0x400000; | |
1035 | } else { // Not Raptor - it is a PCI card | |
1036 | if(hba_map0_area_size > 0x100000 ){ | |
1037 | hba_map0_area_size = 0x100000; | |
1038 | } | |
1039 | } | |
1040 | } else {// Raptor split BAR config | |
1041 | // Use BAR1 in this configuration | |
1042 | base_addr1_phys = pci_resource_start(pDev,1); | |
1043 | hba_map1_area_size = pci_resource_len(pDev,1); | |
1044 | raptorFlag = TRUE; | |
1045 | } | |
1046 | ||
62ac5aed MS |
1047 | #if BITS_PER_LONG == 64 |
1048 | /* | |
1049 | * The original Adaptec 64 bit driver has this comment here: | |
1050 | * "x86_64 machines need more optimal mappings" | |
1051 | * | |
1052 | * I assume some HBAs report ridiculously large mappings | |
1053 | * and we need to limit them on platforms with IOMMUs. | |
1054 | */ | |
1055 | if (raptorFlag == TRUE) { | |
1056 | if (hba_map0_area_size > 128) | |
1057 | hba_map0_area_size = 128; | |
1058 | if (hba_map1_area_size > 524288) | |
1059 | hba_map1_area_size = 524288; | |
1060 | } else { | |
1061 | if (hba_map0_area_size > 524288) | |
1062 | hba_map0_area_size = 524288; | |
1063 | } | |
1064 | #endif | |
1065 | ||
1da177e4 LT |
1066 | base_addr_virt = ioremap(base_addr0_phys,hba_map0_area_size); |
1067 | if (!base_addr_virt) { | |
9c472dd9 | 1068 | pci_release_regions(pDev); |
1da177e4 LT |
1069 | PERROR("dpti: adpt_config_hba: io remap failed\n"); |
1070 | return -EINVAL; | |
1071 | } | |
1072 | ||
1073 | if(raptorFlag == TRUE) { | |
1074 | msg_addr_virt = ioremap(base_addr1_phys, hba_map1_area_size ); | |
1075 | if (!msg_addr_virt) { | |
1076 | PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n"); | |
1077 | iounmap(base_addr_virt); | |
9c472dd9 | 1078 | pci_release_regions(pDev); |
1da177e4 LT |
1079 | return -EINVAL; |
1080 | } | |
1081 | } else { | |
1082 | msg_addr_virt = base_addr_virt; | |
1083 | } | |
1084 | ||
1085 | // Allocate and zero the data structure | |
bbfbbbc1 MK |
1086 | pHba = kzalloc(sizeof(adpt_hba), GFP_KERNEL); |
1087 | if (!pHba) { | |
1088 | if (msg_addr_virt != base_addr_virt) | |
1da177e4 | 1089 | iounmap(msg_addr_virt); |
1da177e4 | 1090 | iounmap(base_addr_virt); |
9c472dd9 | 1091 | pci_release_regions(pDev); |
1da177e4 LT |
1092 | return -ENOMEM; |
1093 | } | |
1da177e4 | 1094 | |
0b950672 | 1095 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
1096 | |
1097 | if(hba_chain != NULL){ | |
1098 | for(p = hba_chain; p->next; p = p->next); | |
1099 | p->next = pHba; | |
1100 | } else { | |
1101 | hba_chain = pHba; | |
1102 | } | |
1103 | pHba->next = NULL; | |
1104 | pHba->unit = hba_count; | |
23a2bc22 | 1105 | sprintf(pHba->name, "dpti%d", hba_count); |
1da177e4 LT |
1106 | hba_count++; |
1107 | ||
0b950672 | 1108 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1109 | |
1110 | pHba->pDev = pDev; | |
1111 | pHba->base_addr_phys = base_addr0_phys; | |
1112 | ||
1113 | // Set up the Virtual Base Address of the I2O Device | |
1114 | pHba->base_addr_virt = base_addr_virt; | |
1115 | pHba->msg_addr_virt = msg_addr_virt; | |
1116 | pHba->irq_mask = base_addr_virt+0x30; | |
1117 | pHba->post_port = base_addr_virt+0x40; | |
1118 | pHba->reply_port = base_addr_virt+0x44; | |
1119 | ||
1120 | pHba->hrt = NULL; | |
1121 | pHba->lct = NULL; | |
1122 | pHba->lct_size = 0; | |
1123 | pHba->status_block = NULL; | |
1124 | pHba->post_count = 0; | |
1125 | pHba->state = DPTI_STATE_RESET; | |
1126 | pHba->pDev = pDev; | |
1127 | pHba->devices = NULL; | |
62ac5aed | 1128 | pHba->dma64 = dma64; |
1da177e4 LT |
1129 | |
1130 | // Initializing the spinlocks | |
1131 | spin_lock_init(&pHba->state_lock); | |
1132 | spin_lock_init(&adpt_post_wait_lock); | |
1133 | ||
1134 | if(raptorFlag == 0){ | |
62ac5aed MS |
1135 | printk(KERN_INFO "Adaptec I2O RAID controller" |
1136 | " %d at %p size=%x irq=%d%s\n", | |
1137 | hba_count-1, base_addr_virt, | |
1138 | hba_map0_area_size, pDev->irq, | |
1139 | dma64 ? " (64-bit DMA)" : ""); | |
1da177e4 | 1140 | } else { |
62ac5aed MS |
1141 | printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d%s\n", |
1142 | hba_count-1, pDev->irq, | |
1143 | dma64 ? " (64-bit DMA)" : ""); | |
1da177e4 LT |
1144 | printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size); |
1145 | printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size); | |
1146 | } | |
1147 | ||
1d6f359a | 1148 | if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) { |
1da177e4 LT |
1149 | printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq); |
1150 | adpt_i2o_delete_hba(pHba); | |
1151 | return -EINVAL; | |
1152 | } | |
1153 | ||
1154 | return 0; | |
1155 | } | |
1156 | ||
1157 | ||
1158 | static void adpt_i2o_delete_hba(adpt_hba* pHba) | |
1159 | { | |
1160 | adpt_hba* p1; | |
1161 | adpt_hba* p2; | |
1162 | struct i2o_device* d; | |
1163 | struct i2o_device* next; | |
1164 | int i; | |
1165 | int j; | |
1166 | struct adpt_device* pDev; | |
1167 | struct adpt_device* pNext; | |
1168 | ||
1169 | ||
0b950672 | 1170 | mutex_lock(&adpt_configuration_lock); |
24601bbc AM |
1171 | // scsi_unregister calls our adpt_release which |
1172 | // does a quiese | |
1da177e4 LT |
1173 | if(pHba->host){ |
1174 | free_irq(pHba->host->irq, pHba); | |
1175 | } | |
1da177e4 LT |
1176 | p2 = NULL; |
1177 | for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){ | |
1178 | if(p1 == pHba) { | |
1179 | if(p2) { | |
1180 | p2->next = p1->next; | |
1181 | } else { | |
1182 | hba_chain = p1->next; | |
1183 | } | |
1184 | break; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | hba_count--; | |
0b950672 | 1189 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1190 | |
1191 | iounmap(pHba->base_addr_virt); | |
9c472dd9 | 1192 | pci_release_regions(pHba->pDev); |
1da177e4 LT |
1193 | if(pHba->msg_addr_virt != pHba->base_addr_virt){ |
1194 | iounmap(pHba->msg_addr_virt); | |
1195 | } | |
62ac5aed MS |
1196 | if(pHba->FwDebugBuffer_P) |
1197 | iounmap(pHba->FwDebugBuffer_P); | |
67af2b06 MS |
1198 | if(pHba->hrt) { |
1199 | dma_free_coherent(&pHba->pDev->dev, | |
1200 | pHba->hrt->num_entries * pHba->hrt->entry_len << 2, | |
1201 | pHba->hrt, pHba->hrt_pa); | |
1202 | } | |
1203 | if(pHba->lct) { | |
1204 | dma_free_coherent(&pHba->pDev->dev, pHba->lct_size, | |
1205 | pHba->lct, pHba->lct_pa); | |
1206 | } | |
1207 | if(pHba->status_block) { | |
1208 | dma_free_coherent(&pHba->pDev->dev, sizeof(i2o_status_block), | |
1209 | pHba->status_block, pHba->status_block_pa); | |
1210 | } | |
1211 | if(pHba->reply_pool) { | |
1212 | dma_free_coherent(&pHba->pDev->dev, | |
1213 | pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, | |
1214 | pHba->reply_pool, pHba->reply_pool_pa); | |
1215 | } | |
1da177e4 LT |
1216 | |
1217 | for(d = pHba->devices; d ; d = next){ | |
1218 | next = d->next; | |
1219 | kfree(d); | |
1220 | } | |
1221 | for(i = 0 ; i < pHba->top_scsi_channel ; i++){ | |
1222 | for(j = 0; j < MAX_ID; j++){ | |
1223 | if(pHba->channel[i].device[j] != NULL){ | |
1224 | for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){ | |
1225 | pNext = pDev->next_lun; | |
1226 | kfree(pDev); | |
1227 | } | |
1228 | } | |
1229 | } | |
1230 | } | |
a07f3537 | 1231 | pci_dev_put(pHba->pDev); |
1da177e4 LT |
1232 | kfree(pHba); |
1233 | ||
1ed43910 MS |
1234 | if (adpt_sysfs_class) |
1235 | device_destroy(adpt_sysfs_class, | |
1236 | MKDEV(DPTI_I2O_MAJOR, pHba->unit)); | |
1237 | ||
1da177e4 LT |
1238 | if(hba_count <= 0){ |
1239 | unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER); | |
1ed43910 MS |
1240 | if (adpt_sysfs_class) { |
1241 | class_destroy(adpt_sysfs_class); | |
1242 | adpt_sysfs_class = NULL; | |
1243 | } | |
1da177e4 LT |
1244 | } |
1245 | } | |
1246 | ||
1da177e4 LT |
1247 | static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun) |
1248 | { | |
1249 | struct adpt_device* d; | |
1250 | ||
1251 | if(chan < 0 || chan >= MAX_CHANNEL) | |
1252 | return NULL; | |
1253 | ||
1254 | if( pHba->channel[chan].device == NULL){ | |
1255 | printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n"); | |
1256 | return NULL; | |
1257 | } | |
1258 | ||
1259 | d = pHba->channel[chan].device[id]; | |
1260 | if(!d || d->tid == 0) { | |
1261 | return NULL; | |
1262 | } | |
1263 | ||
1264 | /* If it is the only lun at that address then this should match*/ | |
1265 | if(d->scsi_lun == lun){ | |
1266 | return d; | |
1267 | } | |
1268 | ||
1269 | /* else we need to look through all the luns */ | |
1270 | for(d=d->next_lun ; d ; d = d->next_lun){ | |
1271 | if(d->scsi_lun == lun){ | |
1272 | return d; | |
1273 | } | |
1274 | } | |
1275 | return NULL; | |
1276 | } | |
1277 | ||
1278 | ||
1279 | static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout) | |
1280 | { | |
1281 | // I used my own version of the WAIT_QUEUE_HEAD | |
1282 | // to handle some version differences | |
1283 | // When embedded in the kernel this could go back to the vanilla one | |
1284 | ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post); | |
1285 | int status = 0; | |
1286 | ulong flags = 0; | |
1287 | struct adpt_i2o_post_wait_data *p1, *p2; | |
1288 | struct adpt_i2o_post_wait_data *wait_data = | |
1289 | kmalloc(sizeof(struct adpt_i2o_post_wait_data),GFP_KERNEL); | |
4452ea50 | 1290 | DECLARE_WAITQUEUE(wait, current); |
1da177e4 | 1291 | |
4452ea50 | 1292 | if (!wait_data) |
1da177e4 | 1293 | return -ENOMEM; |
4452ea50 | 1294 | |
1da177e4 LT |
1295 | /* |
1296 | * The spin locking is needed to keep anyone from playing | |
1297 | * with the queue pointers and id while we do the same | |
1298 | */ | |
1299 | spin_lock_irqsave(&adpt_post_wait_lock, flags); | |
1300 | // TODO we need a MORE unique way of getting ids | |
1301 | // to support async LCT get | |
1302 | wait_data->next = adpt_post_wait_queue; | |
1303 | adpt_post_wait_queue = wait_data; | |
1304 | adpt_post_wait_id++; | |
1305 | adpt_post_wait_id &= 0x7fff; | |
1306 | wait_data->id = adpt_post_wait_id; | |
1307 | spin_unlock_irqrestore(&adpt_post_wait_lock, flags); | |
1308 | ||
1309 | wait_data->wq = &adpt_wq_i2o_post; | |
1310 | wait_data->status = -ETIMEDOUT; | |
1311 | ||
4452ea50 | 1312 | add_wait_queue(&adpt_wq_i2o_post, &wait); |
1da177e4 LT |
1313 | |
1314 | msg[2] |= 0x80000000 | ((u32)wait_data->id); | |
1315 | timeout *= HZ; | |
1316 | if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){ | |
1317 | set_current_state(TASK_INTERRUPTIBLE); | |
1318 | if(pHba->host) | |
1319 | spin_unlock_irq(pHba->host->host_lock); | |
1320 | if (!timeout) | |
1321 | schedule(); | |
1322 | else{ | |
1323 | timeout = schedule_timeout(timeout); | |
1324 | if (timeout == 0) { | |
1325 | // I/O issued, but cannot get result in | |
1326 | // specified time. Freeing resorces is | |
1327 | // dangerous. | |
1328 | status = -ETIME; | |
1329 | } | |
1330 | } | |
1331 | if(pHba->host) | |
1332 | spin_lock_irq(pHba->host->host_lock); | |
1333 | } | |
4452ea50 | 1334 | remove_wait_queue(&adpt_wq_i2o_post, &wait); |
1da177e4 LT |
1335 | |
1336 | if(status == -ETIMEDOUT){ | |
1337 | printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit); | |
1338 | // We will have to free the wait_data memory during shutdown | |
1339 | return status; | |
1340 | } | |
1341 | ||
1342 | /* Remove the entry from the queue. */ | |
1343 | p2 = NULL; | |
1344 | spin_lock_irqsave(&adpt_post_wait_lock, flags); | |
1345 | for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) { | |
1346 | if(p1 == wait_data) { | |
1347 | if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) { | |
1348 | status = -EOPNOTSUPP; | |
1349 | } | |
1350 | if(p2) { | |
1351 | p2->next = p1->next; | |
1352 | } else { | |
1353 | adpt_post_wait_queue = p1->next; | |
1354 | } | |
1355 | break; | |
1356 | } | |
1357 | } | |
1358 | spin_unlock_irqrestore(&adpt_post_wait_lock, flags); | |
1359 | ||
1360 | kfree(wait_data); | |
1361 | ||
1362 | return status; | |
1363 | } | |
1364 | ||
1365 | ||
1366 | static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len) | |
1367 | { | |
1368 | ||
1369 | u32 m = EMPTY_QUEUE; | |
1370 | u32 __iomem *msg; | |
1371 | ulong timeout = jiffies + 30*HZ; | |
1372 | do { | |
1373 | rmb(); | |
1374 | m = readl(pHba->post_port); | |
1375 | if (m != EMPTY_QUEUE) { | |
1376 | break; | |
1377 | } | |
1378 | if(time_after(jiffies,timeout)){ | |
1379 | printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit); | |
1380 | return -ETIMEDOUT; | |
1381 | } | |
a9a3047d | 1382 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1383 | } while(m == EMPTY_QUEUE); |
1384 | ||
1385 | msg = pHba->msg_addr_virt + m; | |
1386 | memcpy_toio(msg, data, len); | |
1387 | wmb(); | |
1388 | ||
1389 | //post message | |
1390 | writel(m, pHba->post_port); | |
1391 | wmb(); | |
1392 | ||
1393 | return 0; | |
1394 | } | |
1395 | ||
1396 | ||
1397 | static void adpt_i2o_post_wait_complete(u32 context, int status) | |
1398 | { | |
1399 | struct adpt_i2o_post_wait_data *p1 = NULL; | |
1400 | /* | |
1401 | * We need to search through the adpt_post_wait | |
1402 | * queue to see if the given message is still | |
1403 | * outstanding. If not, it means that the IOP | |
1404 | * took longer to respond to the message than we | |
1405 | * had allowed and timer has already expired. | |
1406 | * Not much we can do about that except log | |
1407 | * it for debug purposes, increase timeout, and recompile | |
1408 | * | |
1409 | * Lock needed to keep anyone from moving queue pointers | |
1410 | * around while we're looking through them. | |
1411 | */ | |
1412 | ||
1413 | context &= 0x7fff; | |
1414 | ||
1415 | spin_lock(&adpt_post_wait_lock); | |
1416 | for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) { | |
1417 | if(p1->id == context) { | |
1418 | p1->status = status; | |
1419 | spin_unlock(&adpt_post_wait_lock); | |
1420 | wake_up_interruptible(p1->wq); | |
1421 | return; | |
1422 | } | |
1423 | } | |
1424 | spin_unlock(&adpt_post_wait_lock); | |
1425 | // If this happens we lose commands that probably really completed | |
1426 | printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context); | |
1427 | printk(KERN_DEBUG" Tasks in wait queue:\n"); | |
1428 | for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) { | |
1429 | printk(KERN_DEBUG" %d\n",p1->id); | |
1430 | } | |
1431 | return; | |
1432 | } | |
1433 | ||
1434 | static s32 adpt_i2o_reset_hba(adpt_hba* pHba) | |
1435 | { | |
1436 | u32 msg[8]; | |
1437 | u8* status; | |
67af2b06 | 1438 | dma_addr_t addr; |
1da177e4 LT |
1439 | u32 m = EMPTY_QUEUE ; |
1440 | ulong timeout = jiffies + (TMOUT_IOPRESET*HZ); | |
1441 | ||
1442 | if(pHba->initialized == FALSE) { // First time reset should be quick | |
1443 | timeout = jiffies + (25*HZ); | |
1444 | } else { | |
1445 | adpt_i2o_quiesce_hba(pHba); | |
1446 | } | |
1447 | ||
1448 | do { | |
1449 | rmb(); | |
1450 | m = readl(pHba->post_port); | |
1451 | if (m != EMPTY_QUEUE) { | |
1452 | break; | |
1453 | } | |
1454 | if(time_after(jiffies,timeout)){ | |
1455 | printk(KERN_WARNING"Timeout waiting for message!\n"); | |
1456 | return -ETIMEDOUT; | |
1457 | } | |
a9a3047d | 1458 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1459 | } while (m == EMPTY_QUEUE); |
1460 | ||
67af2b06 | 1461 | status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL); |
1da177e4 LT |
1462 | if(status == NULL) { |
1463 | adpt_send_nop(pHba, m); | |
1464 | printk(KERN_ERR"IOP reset failed - no free memory.\n"); | |
1465 | return -ENOMEM; | |
1466 | } | |
67af2b06 | 1467 | memset(status,0,4); |
1da177e4 LT |
1468 | |
1469 | msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0; | |
1470 | msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID; | |
1471 | msg[2]=0; | |
1472 | msg[3]=0; | |
1473 | msg[4]=0; | |
1474 | msg[5]=0; | |
67af2b06 MS |
1475 | msg[6]=dma_low(addr); |
1476 | msg[7]=dma_high(addr); | |
1da177e4 LT |
1477 | |
1478 | memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg)); | |
1479 | wmb(); | |
1480 | writel(m, pHba->post_port); | |
1481 | wmb(); | |
1482 | ||
1483 | while(*status == 0){ | |
1484 | if(time_after(jiffies,timeout)){ | |
1485 | printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name); | |
67af2b06 MS |
1486 | /* We lose 4 bytes of "status" here, but we cannot |
1487 | free these because controller may awake and corrupt | |
1488 | those bytes at any time */ | |
1489 | /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */ | |
1da177e4 LT |
1490 | return -ETIMEDOUT; |
1491 | } | |
1492 | rmb(); | |
a9a3047d | 1493 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1494 | } |
1495 | ||
1496 | if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) { | |
1497 | PDEBUG("%s: Reset in progress...\n", pHba->name); | |
1498 | // Here we wait for message frame to become available | |
1499 | // indicated that reset has finished | |
1500 | do { | |
1501 | rmb(); | |
1502 | m = readl(pHba->post_port); | |
1503 | if (m != EMPTY_QUEUE) { | |
1504 | break; | |
1505 | } | |
1506 | if(time_after(jiffies,timeout)){ | |
1507 | printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name); | |
67af2b06 MS |
1508 | /* We lose 4 bytes of "status" here, but we |
1509 | cannot free these because controller may | |
1510 | awake and corrupt those bytes at any time */ | |
1511 | /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */ | |
1da177e4 LT |
1512 | return -ETIMEDOUT; |
1513 | } | |
a9a3047d | 1514 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
1515 | } while (m == EMPTY_QUEUE); |
1516 | // Flush the offset | |
1517 | adpt_send_nop(pHba, m); | |
1518 | } | |
1519 | adpt_i2o_status_get(pHba); | |
1520 | if(*status == 0x02 || | |
1521 | pHba->status_block->iop_state != ADAPTER_STATE_RESET) { | |
1522 | printk(KERN_WARNING"%s: Reset reject, trying to clear\n", | |
1523 | pHba->name); | |
1524 | } else { | |
1525 | PDEBUG("%s: Reset completed.\n", pHba->name); | |
1526 | } | |
1527 | ||
67af2b06 | 1528 | dma_free_coherent(&pHba->pDev->dev, 4, status, addr); |
1da177e4 LT |
1529 | #ifdef UARTDELAY |
1530 | // This delay is to allow someone attached to the card through the debug UART to | |
1531 | // set up the dump levels that they want before the rest of the initialization sequence | |
1532 | adpt_delay(20000); | |
1533 | #endif | |
1534 | return 0; | |
1535 | } | |
1536 | ||
1537 | ||
1538 | static int adpt_i2o_parse_lct(adpt_hba* pHba) | |
1539 | { | |
1540 | int i; | |
1541 | int max; | |
1542 | int tid; | |
1543 | struct i2o_device *d; | |
1544 | i2o_lct *lct = pHba->lct; | |
1545 | u8 bus_no = 0; | |
1546 | s16 scsi_id; | |
1547 | s16 scsi_lun; | |
1548 | u32 buf[10]; // larger than 7, or 8 ... | |
1549 | struct adpt_device* pDev; | |
1550 | ||
1551 | if (lct == NULL) { | |
1552 | printk(KERN_ERR "%s: LCT is empty???\n",pHba->name); | |
1553 | return -1; | |
1554 | } | |
1555 | ||
1556 | max = lct->table_size; | |
1557 | max -= 3; | |
1558 | max /= 9; | |
1559 | ||
1560 | for(i=0;i<max;i++) { | |
1561 | if( lct->lct_entry[i].user_tid != 0xfff){ | |
1562 | /* | |
1563 | * If we have hidden devices, we need to inform the upper layers about | |
1564 | * the possible maximum id reference to handle device access when | |
1565 | * an array is disassembled. This code has no other purpose but to | |
1566 | * allow us future access to devices that are currently hidden | |
1567 | * behind arrays, hotspares or have not been configured (JBOD mode). | |
1568 | */ | |
1569 | if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE && | |
1570 | lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL && | |
1571 | lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ | |
1572 | continue; | |
1573 | } | |
1574 | tid = lct->lct_entry[i].tid; | |
1575 | // I2O_DPT_DEVICE_INFO_GROUP_NO; | |
1576 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) { | |
1577 | continue; | |
1578 | } | |
1579 | bus_no = buf[0]>>16; | |
1580 | scsi_id = buf[1]; | |
1581 | scsi_lun = (buf[2]>>8 )&0xff; | |
1582 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it | |
1583 | printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no); | |
1584 | continue; | |
1585 | } | |
1586 | if (scsi_id >= MAX_ID){ | |
1587 | printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no); | |
1588 | continue; | |
1589 | } | |
1590 | if(bus_no > pHba->top_scsi_channel){ | |
1591 | pHba->top_scsi_channel = bus_no; | |
1592 | } | |
1593 | if(scsi_id > pHba->top_scsi_id){ | |
1594 | pHba->top_scsi_id = scsi_id; | |
1595 | } | |
1596 | if(scsi_lun > pHba->top_scsi_lun){ | |
1597 | pHba->top_scsi_lun = scsi_lun; | |
1598 | } | |
1599 | continue; | |
1600 | } | |
5cbded58 | 1601 | d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL); |
1da177e4 LT |
1602 | if(d==NULL) |
1603 | { | |
1604 | printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name); | |
1605 | return -ENOMEM; | |
1606 | } | |
1607 | ||
1c2fb3f3 | 1608 | d->controller = pHba; |
1da177e4 LT |
1609 | d->next = NULL; |
1610 | ||
1611 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); | |
1612 | ||
1613 | d->flags = 0; | |
1614 | tid = d->lct_data.tid; | |
1615 | adpt_i2o_report_hba_unit(pHba, d); | |
1616 | adpt_i2o_install_device(pHba, d); | |
1617 | } | |
1618 | bus_no = 0; | |
1619 | for(d = pHba->devices; d ; d = d->next) { | |
1620 | if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT || | |
1621 | d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){ | |
1622 | tid = d->lct_data.tid; | |
1623 | // TODO get the bus_no from hrt-but for now they are in order | |
1624 | //bus_no = | |
1625 | if(bus_no > pHba->top_scsi_channel){ | |
1626 | pHba->top_scsi_channel = bus_no; | |
1627 | } | |
1628 | pHba->channel[bus_no].type = d->lct_data.class_id; | |
1629 | pHba->channel[bus_no].tid = tid; | |
1630 | if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0) | |
1631 | { | |
1632 | pHba->channel[bus_no].scsi_id = buf[1]; | |
1633 | PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]); | |
1634 | } | |
1635 | // TODO remove - this is just until we get from hrt | |
1636 | bus_no++; | |
1637 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it | |
1638 | printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no); | |
1639 | break; | |
1640 | } | |
1641 | } | |
1642 | } | |
1643 | ||
1644 | // Setup adpt_device table | |
1645 | for(d = pHba->devices; d ; d = d->next) { | |
1646 | if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE || | |
1647 | d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL || | |
1648 | d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ | |
1649 | ||
1650 | tid = d->lct_data.tid; | |
1651 | scsi_id = -1; | |
1652 | // I2O_DPT_DEVICE_INFO_GROUP_NO; | |
1653 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) { | |
1654 | bus_no = buf[0]>>16; | |
1655 | scsi_id = buf[1]; | |
1656 | scsi_lun = (buf[2]>>8 )&0xff; | |
1657 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it | |
1658 | continue; | |
1659 | } | |
1660 | if (scsi_id >= MAX_ID) { | |
1661 | continue; | |
1662 | } | |
1663 | if( pHba->channel[bus_no].device[scsi_id] == NULL){ | |
ab552204 | 1664 | pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
1da177e4 LT |
1665 | if(pDev == NULL) { |
1666 | return -ENOMEM; | |
1667 | } | |
1668 | pHba->channel[bus_no].device[scsi_id] = pDev; | |
1da177e4 LT |
1669 | } else { |
1670 | for( pDev = pHba->channel[bus_no].device[scsi_id]; | |
1671 | pDev->next_lun; pDev = pDev->next_lun){ | |
1672 | } | |
ab552204 | 1673 | pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
1da177e4 LT |
1674 | if(pDev->next_lun == NULL) { |
1675 | return -ENOMEM; | |
1676 | } | |
1da177e4 LT |
1677 | pDev = pDev->next_lun; |
1678 | } | |
1679 | pDev->tid = tid; | |
1680 | pDev->scsi_channel = bus_no; | |
1681 | pDev->scsi_id = scsi_id; | |
1682 | pDev->scsi_lun = scsi_lun; | |
1683 | pDev->pI2o_dev = d; | |
1684 | d->owner = pDev; | |
1685 | pDev->type = (buf[0])&0xff; | |
1686 | pDev->flags = (buf[0]>>8)&0xff; | |
1687 | if(scsi_id > pHba->top_scsi_id){ | |
1688 | pHba->top_scsi_id = scsi_id; | |
1689 | } | |
1690 | if(scsi_lun > pHba->top_scsi_lun){ | |
1691 | pHba->top_scsi_lun = scsi_lun; | |
1692 | } | |
1693 | } | |
1694 | if(scsi_id == -1){ | |
1695 | printk(KERN_WARNING"Could not find SCSI ID for %s\n", | |
1696 | d->lct_data.identity_tag); | |
1697 | } | |
1698 | } | |
1699 | } | |
1700 | return 0; | |
1701 | } | |
1702 | ||
1703 | ||
1704 | /* | |
1705 | * Each I2O controller has a chain of devices on it - these match | |
1706 | * the useful parts of the LCT of the board. | |
1707 | */ | |
1708 | ||
1709 | static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d) | |
1710 | { | |
0b950672 | 1711 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
1712 | d->controller=pHba; |
1713 | d->owner=NULL; | |
1714 | d->next=pHba->devices; | |
1715 | d->prev=NULL; | |
1716 | if (pHba->devices != NULL){ | |
1717 | pHba->devices->prev=d; | |
1718 | } | |
1719 | pHba->devices=d; | |
1720 | *d->dev_name = 0; | |
1721 | ||
0b950672 | 1722 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1723 | return 0; |
1724 | } | |
1725 | ||
1726 | static int adpt_open(struct inode *inode, struct file *file) | |
1727 | { | |
1728 | int minor; | |
1729 | adpt_hba* pHba; | |
1730 | ||
dea3f665 | 1731 | lock_kernel(); |
1da177e4 LT |
1732 | //TODO check for root access |
1733 | // | |
1734 | minor = iminor(inode); | |
1735 | if (minor >= hba_count) { | |
dea3f665 | 1736 | unlock_kernel(); |
1da177e4 LT |
1737 | return -ENXIO; |
1738 | } | |
0b950672 | 1739 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
1740 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
1741 | if (pHba->unit == minor) { | |
1742 | break; /* found adapter */ | |
1743 | } | |
1744 | } | |
1745 | if (pHba == NULL) { | |
0b950672 | 1746 | mutex_unlock(&adpt_configuration_lock); |
dea3f665 | 1747 | unlock_kernel(); |
1da177e4 LT |
1748 | return -ENXIO; |
1749 | } | |
1750 | ||
1751 | // if(pHba->in_use){ | |
0b950672 | 1752 | // mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1753 | // return -EBUSY; |
1754 | // } | |
1755 | ||
1756 | pHba->in_use = 1; | |
0b950672 | 1757 | mutex_unlock(&adpt_configuration_lock); |
dea3f665 | 1758 | unlock_kernel(); |
1da177e4 LT |
1759 | |
1760 | return 0; | |
1761 | } | |
1762 | ||
1763 | static int adpt_close(struct inode *inode, struct file *file) | |
1764 | { | |
1765 | int minor; | |
1766 | adpt_hba* pHba; | |
1767 | ||
1768 | minor = iminor(inode); | |
1769 | if (minor >= hba_count) { | |
1770 | return -ENXIO; | |
1771 | } | |
0b950672 | 1772 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
1773 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
1774 | if (pHba->unit == minor) { | |
1775 | break; /* found adapter */ | |
1776 | } | |
1777 | } | |
0b950672 | 1778 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
1779 | if (pHba == NULL) { |
1780 | return -ENXIO; | |
1781 | } | |
1782 | ||
1783 | pHba->in_use = 0; | |
1784 | ||
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | ||
1789 | static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg) | |
1790 | { | |
1791 | u32 msg[MAX_MESSAGE_SIZE]; | |
1792 | u32* reply = NULL; | |
1793 | u32 size = 0; | |
1794 | u32 reply_size = 0; | |
1795 | u32 __user *user_msg = arg; | |
1796 | u32 __user * user_reply = NULL; | |
1797 | void *sg_list[pHba->sg_tablesize]; | |
1798 | u32 sg_offset = 0; | |
1799 | u32 sg_count = 0; | |
1800 | int sg_index = 0; | |
1801 | u32 i = 0; | |
1802 | u32 rcode = 0; | |
1803 | void *p = NULL; | |
67af2b06 | 1804 | dma_addr_t addr; |
1da177e4 LT |
1805 | ulong flags = 0; |
1806 | ||
1807 | memset(&msg, 0, MAX_MESSAGE_SIZE*4); | |
1808 | // get user msg size in u32s | |
1809 | if(get_user(size, &user_msg[0])){ | |
1810 | return -EFAULT; | |
1811 | } | |
1812 | size = size>>16; | |
1813 | ||
1814 | user_reply = &user_msg[size]; | |
1815 | if(size > MAX_MESSAGE_SIZE){ | |
1816 | return -EFAULT; | |
1817 | } | |
1818 | size *= 4; // Convert to bytes | |
1819 | ||
1820 | /* Copy in the user's I2O command */ | |
1821 | if(copy_from_user(msg, user_msg, size)) { | |
1822 | return -EFAULT; | |
1823 | } | |
1824 | get_user(reply_size, &user_reply[0]); | |
1825 | reply_size = reply_size>>16; | |
1826 | if(reply_size > REPLY_FRAME_SIZE){ | |
1827 | reply_size = REPLY_FRAME_SIZE; | |
1828 | } | |
1829 | reply_size *= 4; | |
ab552204 | 1830 | reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL); |
1da177e4 LT |
1831 | if(reply == NULL) { |
1832 | printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name); | |
1833 | return -ENOMEM; | |
1834 | } | |
1da177e4 LT |
1835 | sg_offset = (msg[0]>>4)&0xf; |
1836 | msg[2] = 0x40000000; // IOCTL context | |
62ac5aed MS |
1837 | msg[3] = adpt_ioctl_to_context(pHba, reply); |
1838 | if (msg[3] == (u32)-1) | |
1839 | return -EBUSY; | |
1840 | ||
1da177e4 LT |
1841 | memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize); |
1842 | if(sg_offset) { | |
62ac5aed | 1843 | // TODO add 64 bit API |
1da177e4 LT |
1844 | struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset); |
1845 | sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element); | |
1846 | if (sg_count > pHba->sg_tablesize){ | |
1847 | printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count); | |
1848 | kfree (reply); | |
1849 | return -EINVAL; | |
1850 | } | |
1851 | ||
1852 | for(i = 0; i < sg_count; i++) { | |
1853 | int sg_size; | |
1854 | ||
1855 | if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) { | |
1856 | printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count); | |
1857 | rcode = -EINVAL; | |
1858 | goto cleanup; | |
1859 | } | |
1860 | sg_size = sg[i].flag_count & 0xffffff; | |
1861 | /* Allocate memory for the transfer */ | |
67af2b06 | 1862 | p = dma_alloc_coherent(&pHba->pDev->dev, sg_size, &addr, GFP_KERNEL); |
1da177e4 LT |
1863 | if(!p) { |
1864 | printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n", | |
1865 | pHba->name,sg_size,i,sg_count); | |
1866 | rcode = -ENOMEM; | |
1867 | goto cleanup; | |
1868 | } | |
1869 | sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame. | |
1870 | /* Copy in the user's SG buffer if necessary */ | |
1871 | if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) { | |
62ac5aed MS |
1872 | // sg_simple_element API is 32 bit |
1873 | if (copy_from_user(p,(void __user *)(ulong)sg[i].addr_bus, sg_size)) { | |
1da177e4 LT |
1874 | printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i); |
1875 | rcode = -EFAULT; | |
1876 | goto cleanup; | |
1877 | } | |
1878 | } | |
62ac5aed MS |
1879 | /* sg_simple_element API is 32 bit, but addr < 4GB */ |
1880 | sg[i].addr_bus = addr; | |
1da177e4 LT |
1881 | } |
1882 | } | |
1883 | ||
1884 | do { | |
1885 | if(pHba->host) | |
1886 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
1887 | // This state stops any new commands from enterring the | |
1888 | // controller while processing the ioctl | |
1889 | // pHba->state |= DPTI_STATE_IOCTL; | |
1890 | // We can't set this now - The scsi subsystem sets host_blocked and | |
1891 | // the queue empties and stops. We need a way to restart the queue | |
1892 | rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER); | |
1893 | if (rcode != 0) | |
1894 | printk("adpt_i2o_passthru: post wait failed %d %p\n", | |
1895 | rcode, reply); | |
1896 | // pHba->state &= ~DPTI_STATE_IOCTL; | |
1897 | if(pHba->host) | |
1898 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
1899 | } while(rcode == -ETIMEDOUT); | |
1900 | ||
1901 | if(rcode){ | |
1902 | goto cleanup; | |
1903 | } | |
1904 | ||
1905 | if(sg_offset) { | |
1906 | /* Copy back the Scatter Gather buffers back to user space */ | |
1907 | u32 j; | |
62ac5aed | 1908 | // TODO add 64 bit API |
1da177e4 LT |
1909 | struct sg_simple_element* sg; |
1910 | int sg_size; | |
1911 | ||
1912 | // re-acquire the original message to handle correctly the sg copy operation | |
1913 | memset(&msg, 0, MAX_MESSAGE_SIZE*4); | |
1914 | // get user msg size in u32s | |
1915 | if(get_user(size, &user_msg[0])){ | |
1916 | rcode = -EFAULT; | |
1917 | goto cleanup; | |
1918 | } | |
1919 | size = size>>16; | |
1920 | size *= 4; | |
ef7562b7 | 1921 | if (size > MAX_MESSAGE_SIZE) { |
aefba418 | 1922 | rcode = -EINVAL; |
ef7562b7 AC |
1923 | goto cleanup; |
1924 | } | |
1da177e4 LT |
1925 | /* Copy in the user's I2O command */ |
1926 | if (copy_from_user (msg, user_msg, size)) { | |
1927 | rcode = -EFAULT; | |
1928 | goto cleanup; | |
1929 | } | |
1930 | sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element); | |
1931 | ||
62ac5aed | 1932 | // TODO add 64 bit API |
1da177e4 LT |
1933 | sg = (struct sg_simple_element*)(msg + sg_offset); |
1934 | for (j = 0; j < sg_count; j++) { | |
1935 | /* Copy out the SG list to user's buffer if necessary */ | |
1936 | if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) { | |
1937 | sg_size = sg[j].flag_count & 0xffffff; | |
62ac5aed MS |
1938 | // sg_simple_element API is 32 bit |
1939 | if (copy_to_user((void __user *)(ulong)sg[j].addr_bus,sg_list[j], sg_size)) { | |
1da177e4 LT |
1940 | printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus); |
1941 | rcode = -EFAULT; | |
1942 | goto cleanup; | |
1943 | } | |
1944 | } | |
1945 | } | |
1946 | } | |
1947 | ||
1948 | /* Copy back the reply to user space */ | |
1949 | if (reply_size) { | |
1950 | // we wrote our own values for context - now restore the user supplied ones | |
1951 | if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) { | |
1952 | printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name); | |
1953 | rcode = -EFAULT; | |
1954 | } | |
1955 | if(copy_to_user(user_reply, reply, reply_size)) { | |
1956 | printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name); | |
1957 | rcode = -EFAULT; | |
1958 | } | |
1959 | } | |
1960 | ||
1961 | ||
1962 | cleanup: | |
67af2b06 MS |
1963 | if (rcode != -ETIME && rcode != -EINTR) { |
1964 | struct sg_simple_element *sg = | |
1965 | (struct sg_simple_element*) (msg +sg_offset); | |
1da177e4 | 1966 | kfree (reply); |
67af2b06 MS |
1967 | while(sg_index) { |
1968 | if(sg_list[--sg_index]) { | |
1969 | dma_free_coherent(&pHba->pDev->dev, | |
1970 | sg[sg_index].flag_count & 0xffffff, | |
1971 | sg_list[sg_index], | |
1972 | sg[sg_index].addr_bus); | |
1973 | } | |
1da177e4 LT |
1974 | } |
1975 | } | |
1976 | return rcode; | |
1977 | } | |
1978 | ||
1da177e4 LT |
1979 | #if defined __ia64__ |
1980 | static void adpt_ia64_info(sysInfo_S* si) | |
1981 | { | |
1982 | // This is all the info we need for now | |
1983 | // We will add more info as our new | |
1984 | // managmenent utility requires it | |
1985 | si->processorType = PROC_IA64; | |
1986 | } | |
1987 | #endif | |
1988 | ||
1da177e4 LT |
1989 | #if defined __sparc__ |
1990 | static void adpt_sparc_info(sysInfo_S* si) | |
1991 | { | |
1992 | // This is all the info we need for now | |
1993 | // We will add more info as our new | |
1994 | // managmenent utility requires it | |
1995 | si->processorType = PROC_ULTRASPARC; | |
1996 | } | |
1997 | #endif | |
1da177e4 LT |
1998 | #if defined __alpha__ |
1999 | static void adpt_alpha_info(sysInfo_S* si) | |
2000 | { | |
2001 | // This is all the info we need for now | |
2002 | // We will add more info as our new | |
2003 | // managmenent utility requires it | |
2004 | si->processorType = PROC_ALPHA; | |
2005 | } | |
2006 | #endif | |
2007 | ||
2008 | #if defined __i386__ | |
1da177e4 LT |
2009 | static void adpt_i386_info(sysInfo_S* si) |
2010 | { | |
2011 | // This is all the info we need for now | |
2012 | // We will add more info as our new | |
2013 | // managmenent utility requires it | |
2014 | switch (boot_cpu_data.x86) { | |
2015 | case CPU_386: | |
2016 | si->processorType = PROC_386; | |
2017 | break; | |
2018 | case CPU_486: | |
2019 | si->processorType = PROC_486; | |
2020 | break; | |
2021 | case CPU_586: | |
2022 | si->processorType = PROC_PENTIUM; | |
2023 | break; | |
2024 | default: // Just in case | |
2025 | si->processorType = PROC_PENTIUM; | |
2026 | break; | |
2027 | } | |
2028 | } | |
8b2cc917 AM |
2029 | #endif |
2030 | ||
2031 | /* | |
2032 | * This routine returns information about the system. This does not effect | |
2033 | * any logic and if the info is wrong - it doesn't matter. | |
2034 | */ | |
1da177e4 | 2035 | |
8b2cc917 AM |
2036 | /* Get all the info we can not get from kernel services */ |
2037 | static int adpt_system_info(void __user *buffer) | |
2038 | { | |
2039 | sysInfo_S si; | |
2040 | ||
2041 | memset(&si, 0, sizeof(si)); | |
2042 | ||
2043 | si.osType = OS_LINUX; | |
2044 | si.osMajorVersion = 0; | |
2045 | si.osMinorVersion = 0; | |
2046 | si.osRevision = 0; | |
2047 | si.busType = SI_PCI_BUS; | |
2048 | si.processorFamily = DPTI_sig.dsProcessorFamily; | |
2049 | ||
2050 | #if defined __i386__ | |
2051 | adpt_i386_info(&si); | |
2052 | #elif defined (__ia64__) | |
2053 | adpt_ia64_info(&si); | |
2054 | #elif defined(__sparc__) | |
2055 | adpt_sparc_info(&si); | |
2056 | #elif defined (__alpha__) | |
2057 | adpt_alpha_info(&si); | |
2058 | #else | |
2059 | si.processorType = 0xff ; | |
1da177e4 | 2060 | #endif |
8b2cc917 AM |
2061 | if (copy_to_user(buffer, &si, sizeof(si))){ |
2062 | printk(KERN_WARNING"dpti: Could not copy buffer TO user\n"); | |
2063 | return -EFAULT; | |
2064 | } | |
1da177e4 | 2065 | |
8b2cc917 AM |
2066 | return 0; |
2067 | } | |
1da177e4 LT |
2068 | |
2069 | static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, | |
2070 | ulong arg) | |
2071 | { | |
2072 | int minor; | |
2073 | int error = 0; | |
2074 | adpt_hba* pHba; | |
2075 | ulong flags = 0; | |
2076 | void __user *argp = (void __user *)arg; | |
2077 | ||
2078 | minor = iminor(inode); | |
2079 | if (minor >= DPTI_MAX_HBA){ | |
2080 | return -ENXIO; | |
2081 | } | |
0b950672 | 2082 | mutex_lock(&adpt_configuration_lock); |
1da177e4 LT |
2083 | for (pHba = hba_chain; pHba; pHba = pHba->next) { |
2084 | if (pHba->unit == minor) { | |
2085 | break; /* found adapter */ | |
2086 | } | |
2087 | } | |
0b950672 | 2088 | mutex_unlock(&adpt_configuration_lock); |
1da177e4 LT |
2089 | if(pHba == NULL){ |
2090 | return -ENXIO; | |
2091 | } | |
2092 | ||
a9a3047d NA |
2093 | while((volatile u32) pHba->state & DPTI_STATE_RESET ) |
2094 | schedule_timeout_uninterruptible(2); | |
1da177e4 LT |
2095 | |
2096 | switch (cmd) { | |
2097 | // TODO: handle 3 cases | |
2098 | case DPT_SIGNATURE: | |
2099 | if (copy_to_user(argp, &DPTI_sig, sizeof(DPTI_sig))) { | |
2100 | return -EFAULT; | |
2101 | } | |
2102 | break; | |
2103 | case I2OUSRCMD: | |
2104 | return adpt_i2o_passthru(pHba, argp); | |
2105 | ||
2106 | case DPT_CTRLINFO:{ | |
2107 | drvrHBAinfo_S HbaInfo; | |
2108 | ||
2109 | #define FLG_OSD_PCI_VALID 0x0001 | |
2110 | #define FLG_OSD_DMA 0x0002 | |
2111 | #define FLG_OSD_I2O 0x0004 | |
2112 | memset(&HbaInfo, 0, sizeof(HbaInfo)); | |
2113 | HbaInfo.drvrHBAnum = pHba->unit; | |
2114 | HbaInfo.baseAddr = (ulong) pHba->base_addr_phys; | |
2115 | HbaInfo.blinkState = adpt_read_blink_led(pHba); | |
2116 | HbaInfo.pciBusNum = pHba->pDev->bus->number; | |
2117 | HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn); | |
2118 | HbaInfo.Interrupt = pHba->pDev->irq; | |
2119 | HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O; | |
2120 | if(copy_to_user(argp, &HbaInfo, sizeof(HbaInfo))){ | |
2121 | printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name); | |
2122 | return -EFAULT; | |
2123 | } | |
2124 | break; | |
2125 | } | |
2126 | case DPT_SYSINFO: | |
2127 | return adpt_system_info(argp); | |
2128 | case DPT_BLINKLED:{ | |
2129 | u32 value; | |
2130 | value = (u32)adpt_read_blink_led(pHba); | |
2131 | if (copy_to_user(argp, &value, sizeof(value))) { | |
2132 | return -EFAULT; | |
2133 | } | |
2134 | break; | |
2135 | } | |
2136 | case I2ORESETCMD: | |
2137 | if(pHba->host) | |
2138 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
2139 | adpt_hba_reset(pHba); | |
2140 | if(pHba->host) | |
2141 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
2142 | break; | |
2143 | case I2ORESCANCMD: | |
2144 | adpt_rescan(pHba); | |
2145 | break; | |
2146 | default: | |
2147 | return -EINVAL; | |
2148 | } | |
2149 | ||
2150 | return error; | |
2151 | } | |
2152 | ||
62ac5aed MS |
2153 | #ifdef CONFIG_COMPAT |
2154 | static long compat_adpt_ioctl(struct file *file, | |
2155 | unsigned int cmd, unsigned long arg) | |
2156 | { | |
2157 | struct inode *inode; | |
2158 | long ret; | |
2159 | ||
2160 | inode = file->f_dentry->d_inode; | |
2161 | ||
2162 | lock_kernel(); | |
2163 | ||
2164 | switch(cmd) { | |
2165 | case DPT_SIGNATURE: | |
2166 | case I2OUSRCMD: | |
2167 | case DPT_CTRLINFO: | |
2168 | case DPT_SYSINFO: | |
2169 | case DPT_BLINKLED: | |
2170 | case I2ORESETCMD: | |
2171 | case I2ORESCANCMD: | |
2172 | case (DPT_TARGET_BUSY & 0xFFFF): | |
2173 | case DPT_TARGET_BUSY: | |
2174 | ret = adpt_ioctl(inode, file, cmd, arg); | |
2175 | break; | |
2176 | default: | |
2177 | ret = -ENOIOCTLCMD; | |
2178 | } | |
2179 | ||
2180 | unlock_kernel(); | |
2181 | ||
2182 | return ret; | |
2183 | } | |
2184 | #endif | |
1da177e4 | 2185 | |
7d12e780 | 2186 | static irqreturn_t adpt_isr(int irq, void *dev_id) |
1da177e4 LT |
2187 | { |
2188 | struct scsi_cmnd* cmd; | |
2189 | adpt_hba* pHba = dev_id; | |
2190 | u32 m; | |
1c2fb3f3 | 2191 | void __iomem *reply; |
1da177e4 LT |
2192 | u32 status=0; |
2193 | u32 context; | |
2194 | ulong flags = 0; | |
2195 | int handled = 0; | |
2196 | ||
2197 | if (pHba == NULL){ | |
2198 | printk(KERN_WARNING"adpt_isr: NULL dev_id\n"); | |
2199 | return IRQ_NONE; | |
2200 | } | |
2201 | if(pHba->host) | |
2202 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
2203 | ||
2204 | while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) { | |
2205 | m = readl(pHba->reply_port); | |
2206 | if(m == EMPTY_QUEUE){ | |
2207 | // Try twice then give up | |
2208 | rmb(); | |
2209 | m = readl(pHba->reply_port); | |
2210 | if(m == EMPTY_QUEUE){ | |
2211 | // This really should not happen | |
2212 | printk(KERN_ERR"dpti: Could not get reply frame\n"); | |
2213 | goto out; | |
2214 | } | |
2215 | } | |
67af2b06 MS |
2216 | if (pHba->reply_pool_pa <= m && |
2217 | m < pHba->reply_pool_pa + | |
2218 | (pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4)) { | |
2219 | reply = (u8 *)pHba->reply_pool + | |
2220 | (m - pHba->reply_pool_pa); | |
2221 | } else { | |
2222 | /* Ick, we should *never* be here */ | |
2223 | printk(KERN_ERR "dpti: reply frame not from pool\n"); | |
2224 | reply = (u8 *)bus_to_virt(m); | |
2225 | } | |
1da177e4 LT |
2226 | |
2227 | if (readl(reply) & MSG_FAIL) { | |
2228 | u32 old_m = readl(reply+28); | |
1c2fb3f3 | 2229 | void __iomem *msg; |
1da177e4 LT |
2230 | u32 old_context; |
2231 | PDEBUG("%s: Failed message\n",pHba->name); | |
2232 | if(old_m >= 0x100000){ | |
2233 | printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m); | |
2234 | writel(m,pHba->reply_port); | |
2235 | continue; | |
2236 | } | |
2237 | // Transaction context is 0 in failed reply frame | |
1c2fb3f3 | 2238 | msg = pHba->msg_addr_virt + old_m; |
1da177e4 LT |
2239 | old_context = readl(msg+12); |
2240 | writel(old_context, reply+12); | |
2241 | adpt_send_nop(pHba, old_m); | |
2242 | } | |
2243 | context = readl(reply+8); | |
2244 | if(context & 0x40000000){ // IOCTL | |
62ac5aed | 2245 | void *p = adpt_ioctl_from_context(pHba, readl(reply+12)); |
1c2fb3f3 BB |
2246 | if( p != NULL) { |
2247 | memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4); | |
1da177e4 LT |
2248 | } |
2249 | // All IOCTLs will also be post wait | |
2250 | } | |
2251 | if(context & 0x80000000){ // Post wait message | |
2252 | status = readl(reply+16); | |
2253 | if(status >> 24){ | |
2254 | status &= 0xffff; /* Get detail status */ | |
2255 | } else { | |
2256 | status = I2O_POST_WAIT_OK; | |
2257 | } | |
2258 | if(!(context & 0x40000000)) { | |
62ac5aed MS |
2259 | cmd = adpt_cmd_from_context(pHba, |
2260 | readl(reply+12)); | |
1da177e4 LT |
2261 | if(cmd != NULL) { |
2262 | printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context); | |
2263 | } | |
2264 | } | |
2265 | adpt_i2o_post_wait_complete(context, status); | |
2266 | } else { // SCSI message | |
62ac5aed | 2267 | cmd = adpt_cmd_from_context (pHba, readl(reply+12)); |
1da177e4 | 2268 | if(cmd != NULL){ |
67af2b06 | 2269 | scsi_dma_unmap(cmd); |
1da177e4 LT |
2270 | if(cmd->serial_number != 0) { // If not timedout |
2271 | adpt_i2o_to_scsi(reply, cmd); | |
2272 | } | |
2273 | } | |
2274 | } | |
2275 | writel(m, pHba->reply_port); | |
2276 | wmb(); | |
2277 | rmb(); | |
2278 | } | |
2279 | handled = 1; | |
2280 | out: if(pHba->host) | |
2281 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
2282 | return IRQ_RETVAL(handled); | |
2283 | } | |
2284 | ||
2285 | static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* d) | |
2286 | { | |
2287 | int i; | |
2288 | u32 msg[MAX_MESSAGE_SIZE]; | |
2289 | u32* mptr; | |
62ac5aed | 2290 | u32* lptr; |
1da177e4 LT |
2291 | u32 *lenptr; |
2292 | int direction; | |
2293 | int scsidir; | |
10803de4 | 2294 | int nseg; |
1da177e4 LT |
2295 | u32 len; |
2296 | u32 reqlen; | |
2297 | s32 rcode; | |
62ac5aed | 2298 | dma_addr_t addr; |
1da177e4 LT |
2299 | |
2300 | memset(msg, 0 , sizeof(msg)); | |
10803de4 | 2301 | len = scsi_bufflen(cmd); |
1da177e4 LT |
2302 | direction = 0x00000000; |
2303 | ||
2304 | scsidir = 0x00000000; // DATA NO XFER | |
2305 | if(len) { | |
2306 | /* | |
2307 | * Set SCBFlags to indicate if data is being transferred | |
2308 | * in or out, or no data transfer | |
2309 | * Note: Do not have to verify index is less than 0 since | |
2310 | * cmd->cmnd[0] is an unsigned char | |
2311 | */ | |
2312 | switch(cmd->sc_data_direction){ | |
2313 | case DMA_FROM_DEVICE: | |
2314 | scsidir =0x40000000; // DATA IN (iop<--dev) | |
2315 | break; | |
2316 | case DMA_TO_DEVICE: | |
2317 | direction=0x04000000; // SGL OUT | |
2318 | scsidir =0x80000000; // DATA OUT (iop-->dev) | |
2319 | break; | |
2320 | case DMA_NONE: | |
2321 | break; | |
2322 | case DMA_BIDIRECTIONAL: | |
2323 | scsidir =0x40000000; // DATA IN (iop<--dev) | |
2324 | // Assume In - and continue; | |
2325 | break; | |
2326 | default: | |
2327 | printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n", | |
2328 | pHba->name, cmd->cmnd[0]); | |
2329 | cmd->result = (DID_OK <<16) | (INITIATOR_ERROR << 8); | |
2330 | cmd->scsi_done(cmd); | |
2331 | return 0; | |
2332 | } | |
2333 | } | |
2334 | // msg[0] is set later | |
2335 | // I2O_CMD_SCSI_EXEC | |
2336 | msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid); | |
2337 | msg[2] = 0; | |
62ac5aed | 2338 | msg[3] = adpt_cmd_to_context(cmd); /* Want SCSI control block back */ |
1da177e4 LT |
2339 | // Our cards use the transaction context as the tag for queueing |
2340 | // Adaptec/DPT Private stuff | |
2341 | msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16); | |
2342 | msg[5] = d->tid; | |
2343 | /* Direction, disconnect ok | sense data | simple queue , CDBLen */ | |
2344 | // I2O_SCB_FLAG_ENABLE_DISCONNECT | | |
2345 | // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG | | |
2346 | // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE; | |
2347 | msg[6] = scsidir|0x20a00000|cmd->cmd_len; | |
2348 | ||
2349 | mptr=msg+7; | |
2350 | ||
2351 | // Write SCSI command into the message - always 16 byte block | |
2352 | memset(mptr, 0, 16); | |
2353 | memcpy(mptr, cmd->cmnd, cmd->cmd_len); | |
2354 | mptr+=4; | |
2355 | lenptr=mptr++; /* Remember me - fill in when we know */ | |
62ac5aed MS |
2356 | if (dpt_dma64(pHba)) { |
2357 | reqlen = 16; // SINGLE SGE | |
2358 | *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */ | |
2359 | *mptr++ = 1 << PAGE_SHIFT; | |
2360 | } else { | |
2361 | reqlen = 14; // SINGLE SGE | |
2362 | } | |
1da177e4 | 2363 | /* Now fill in the SGList and command */ |
1da177e4 | 2364 | |
10803de4 FT |
2365 | nseg = scsi_dma_map(cmd); |
2366 | BUG_ON(nseg < 0); | |
2367 | if (nseg) { | |
2368 | struct scatterlist *sg; | |
1da177e4 LT |
2369 | |
2370 | len = 0; | |
10803de4 | 2371 | scsi_for_each_sg(cmd, sg, nseg, i) { |
62ac5aed | 2372 | lptr = mptr; |
1da177e4 LT |
2373 | *mptr++ = direction|0x10000000|sg_dma_len(sg); |
2374 | len+=sg_dma_len(sg); | |
62ac5aed MS |
2375 | addr = sg_dma_address(sg); |
2376 | *mptr++ = dma_low(addr); | |
2377 | if (dpt_dma64(pHba)) | |
2378 | *mptr++ = dma_high(addr); | |
10803de4 FT |
2379 | /* Make this an end of list */ |
2380 | if (i == nseg - 1) | |
62ac5aed | 2381 | *lptr = direction|0xD0000000|sg_dma_len(sg); |
1da177e4 | 2382 | } |
1da177e4 LT |
2383 | reqlen = mptr - msg; |
2384 | *lenptr = len; | |
2385 | ||
2386 | if(cmd->underflow && len != cmd->underflow){ | |
2387 | printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n", | |
2388 | len, cmd->underflow); | |
2389 | } | |
2390 | } else { | |
10803de4 FT |
2391 | *lenptr = len = 0; |
2392 | reqlen = 12; | |
1da177e4 LT |
2393 | } |
2394 | ||
2395 | /* Stick the headers on */ | |
2396 | msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0); | |
2397 | ||
2398 | // Send it on it's way | |
2399 | rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2); | |
2400 | if (rcode == 0) { | |
2401 | return 0; | |
2402 | } | |
2403 | return rcode; | |
2404 | } | |
2405 | ||
2406 | ||
c864cb14 | 2407 | static s32 adpt_scsi_host_alloc(adpt_hba* pHba, struct scsi_host_template *sht) |
24601bbc | 2408 | { |
c864cb14 | 2409 | struct Scsi_Host *host; |
24601bbc | 2410 | |
c864cb14 | 2411 | host = scsi_host_alloc(sht, sizeof(adpt_hba*)); |
24601bbc | 2412 | if (host == NULL) { |
c864cb14 | 2413 | printk("%s: scsi_host_alloc returned NULL\n", pHba->name); |
24601bbc AM |
2414 | return -1; |
2415 | } | |
2416 | host->hostdata[0] = (unsigned long)pHba; | |
2417 | pHba->host = host; | |
2418 | ||
2419 | host->irq = pHba->pDev->irq; | |
2420 | /* no IO ports, so don't have to set host->io_port and | |
2421 | * host->n_io_port | |
2422 | */ | |
2423 | host->io_port = 0; | |
2424 | host->n_io_port = 0; | |
2425 | /* see comments in scsi_host.h */ | |
2426 | host->max_id = 16; | |
2427 | host->max_lun = 256; | |
2428 | host->max_channel = pHba->top_scsi_channel + 1; | |
2429 | host->cmd_per_lun = 1; | |
67af2b06 | 2430 | host->unique_id = (u32)sys_tbl_pa + pHba->unit; |
24601bbc AM |
2431 | host->sg_tablesize = pHba->sg_tablesize; |
2432 | host->can_queue = pHba->post_fifo_size; | |
2433 | ||
2434 | return 0; | |
2435 | } | |
2436 | ||
2437 | ||
1c2fb3f3 | 2438 | static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd) |
1da177e4 LT |
2439 | { |
2440 | adpt_hba* pHba; | |
2441 | u32 hba_status; | |
2442 | u32 dev_status; | |
2443 | u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits | |
2444 | // I know this would look cleaner if I just read bytes | |
2445 | // but the model I have been using for all the rest of the | |
2446 | // io is in 4 byte words - so I keep that model | |
2447 | u16 detailed_status = readl(reply+16) &0xffff; | |
2448 | dev_status = (detailed_status & 0xff); | |
2449 | hba_status = detailed_status >> 8; | |
2450 | ||
2451 | // calculate resid for sg | |
df81d237 | 2452 | scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+20)); |
1da177e4 LT |
2453 | |
2454 | pHba = (adpt_hba*) cmd->device->host->hostdata[0]; | |
2455 | ||
2456 | cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false | |
2457 | ||
2458 | if(!(reply_flags & MSG_FAIL)) { | |
2459 | switch(detailed_status & I2O_SCSI_DSC_MASK) { | |
2460 | case I2O_SCSI_DSC_SUCCESS: | |
2461 | cmd->result = (DID_OK << 16); | |
2462 | // handle underflow | |
df81d237 | 2463 | if (readl(reply+20) < cmd->underflow) { |
1da177e4 LT |
2464 | cmd->result = (DID_ERROR <<16); |
2465 | printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name); | |
2466 | } | |
2467 | break; | |
2468 | case I2O_SCSI_DSC_REQUEST_ABORTED: | |
2469 | cmd->result = (DID_ABORT << 16); | |
2470 | break; | |
2471 | case I2O_SCSI_DSC_PATH_INVALID: | |
2472 | case I2O_SCSI_DSC_DEVICE_NOT_PRESENT: | |
2473 | case I2O_SCSI_DSC_SELECTION_TIMEOUT: | |
2474 | case I2O_SCSI_DSC_COMMAND_TIMEOUT: | |
2475 | case I2O_SCSI_DSC_NO_ADAPTER: | |
2476 | case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE: | |
2477 | printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n", | |
2478 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]); | |
2479 | cmd->result = (DID_TIME_OUT << 16); | |
2480 | break; | |
2481 | case I2O_SCSI_DSC_ADAPTER_BUSY: | |
2482 | case I2O_SCSI_DSC_BUS_BUSY: | |
2483 | cmd->result = (DID_BUS_BUSY << 16); | |
2484 | break; | |
2485 | case I2O_SCSI_DSC_SCSI_BUS_RESET: | |
2486 | case I2O_SCSI_DSC_BDR_MESSAGE_SENT: | |
2487 | cmd->result = (DID_RESET << 16); | |
2488 | break; | |
2489 | case I2O_SCSI_DSC_PARITY_ERROR_FAILURE: | |
2490 | printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name); | |
2491 | cmd->result = (DID_PARITY << 16); | |
2492 | break; | |
2493 | case I2O_SCSI_DSC_UNABLE_TO_ABORT: | |
2494 | case I2O_SCSI_DSC_COMPLETE_WITH_ERROR: | |
2495 | case I2O_SCSI_DSC_UNABLE_TO_TERMINATE: | |
2496 | case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED: | |
2497 | case I2O_SCSI_DSC_AUTOSENSE_FAILED: | |
2498 | case I2O_SCSI_DSC_DATA_OVERRUN: | |
2499 | case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE: | |
2500 | case I2O_SCSI_DSC_SEQUENCE_FAILURE: | |
2501 | case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR: | |
2502 | case I2O_SCSI_DSC_PROVIDE_FAILURE: | |
2503 | case I2O_SCSI_DSC_REQUEST_TERMINATED: | |
2504 | case I2O_SCSI_DSC_IDE_MESSAGE_SENT: | |
2505 | case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT: | |
2506 | case I2O_SCSI_DSC_MESSAGE_RECEIVED: | |
2507 | case I2O_SCSI_DSC_INVALID_CDB: | |
2508 | case I2O_SCSI_DSC_LUN_INVALID: | |
2509 | case I2O_SCSI_DSC_SCSI_TID_INVALID: | |
2510 | case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE: | |
2511 | case I2O_SCSI_DSC_NO_NEXUS: | |
2512 | case I2O_SCSI_DSC_CDB_RECEIVED: | |
2513 | case I2O_SCSI_DSC_LUN_ALREADY_ENABLED: | |
2514 | case I2O_SCSI_DSC_QUEUE_FROZEN: | |
2515 | case I2O_SCSI_DSC_REQUEST_INVALID: | |
2516 | default: | |
2517 | printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n", | |
2518 | pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, | |
2519 | hba_status, dev_status, cmd->cmnd[0]); | |
2520 | cmd->result = (DID_ERROR << 16); | |
2521 | break; | |
2522 | } | |
2523 | ||
2524 | // copy over the request sense data if it was a check | |
2525 | // condition status | |
d814c517 | 2526 | if (dev_status == SAM_STAT_CHECK_CONDITION) { |
b80ca4f7 | 2527 | u32 len = min(SCSI_SENSE_BUFFERSIZE, 40); |
1da177e4 | 2528 | // Copy over the sense data |
1c2fb3f3 | 2529 | memcpy_fromio(cmd->sense_buffer, (reply+28) , len); |
1da177e4 LT |
2530 | if(cmd->sense_buffer[0] == 0x70 /* class 7 */ && |
2531 | cmd->sense_buffer[2] == DATA_PROTECT ){ | |
2532 | /* This is to handle an array failed */ | |
2533 | cmd->result = (DID_TIME_OUT << 16); | |
2534 | printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n", | |
2535 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, | |
2536 | hba_status, dev_status, cmd->cmnd[0]); | |
2537 | ||
2538 | } | |
2539 | } | |
2540 | } else { | |
2541 | /* In this condtion we could not talk to the tid | |
2542 | * the card rejected it. We should signal a retry | |
2543 | * for a limitted number of retries. | |
2544 | */ | |
2545 | cmd->result = (DID_TIME_OUT << 16); | |
2546 | printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n", | |
2547 | pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, | |
2548 | ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]); | |
2549 | } | |
2550 | ||
2551 | cmd->result |= (dev_status); | |
2552 | ||
2553 | if(cmd->scsi_done != NULL){ | |
2554 | cmd->scsi_done(cmd); | |
2555 | } | |
2556 | return cmd->result; | |
2557 | } | |
2558 | ||
2559 | ||
2560 | static s32 adpt_rescan(adpt_hba* pHba) | |
2561 | { | |
2562 | s32 rcode; | |
2563 | ulong flags = 0; | |
2564 | ||
2565 | if(pHba->host) | |
2566 | spin_lock_irqsave(pHba->host->host_lock, flags); | |
2567 | if ((rcode=adpt_i2o_lct_get(pHba)) < 0) | |
2568 | goto out; | |
2569 | if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0) | |
2570 | goto out; | |
2571 | rcode = 0; | |
2572 | out: if(pHba->host) | |
2573 | spin_unlock_irqrestore(pHba->host->host_lock, flags); | |
2574 | return rcode; | |
2575 | } | |
2576 | ||
2577 | ||
2578 | static s32 adpt_i2o_reparse_lct(adpt_hba* pHba) | |
2579 | { | |
2580 | int i; | |
2581 | int max; | |
2582 | int tid; | |
2583 | struct i2o_device *d; | |
2584 | i2o_lct *lct = pHba->lct; | |
2585 | u8 bus_no = 0; | |
2586 | s16 scsi_id; | |
2587 | s16 scsi_lun; | |
2588 | u32 buf[10]; // at least 8 u32's | |
2589 | struct adpt_device* pDev = NULL; | |
2590 | struct i2o_device* pI2o_dev = NULL; | |
2591 | ||
2592 | if (lct == NULL) { | |
2593 | printk(KERN_ERR "%s: LCT is empty???\n",pHba->name); | |
2594 | return -1; | |
2595 | } | |
2596 | ||
2597 | max = lct->table_size; | |
2598 | max -= 3; | |
2599 | max /= 9; | |
2600 | ||
2601 | // Mark each drive as unscanned | |
2602 | for (d = pHba->devices; d; d = d->next) { | |
2603 | pDev =(struct adpt_device*) d->owner; | |
2604 | if(!pDev){ | |
2605 | continue; | |
2606 | } | |
2607 | pDev->state |= DPTI_DEV_UNSCANNED; | |
2608 | } | |
2609 | ||
2610 | printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max); | |
2611 | ||
2612 | for(i=0;i<max;i++) { | |
2613 | if( lct->lct_entry[i].user_tid != 0xfff){ | |
2614 | continue; | |
2615 | } | |
2616 | ||
2617 | if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE || | |
2618 | lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL || | |
2619 | lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){ | |
2620 | tid = lct->lct_entry[i].tid; | |
2621 | if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) { | |
2622 | printk(KERN_ERR"%s: Could not query device\n",pHba->name); | |
2623 | continue; | |
2624 | } | |
2625 | bus_no = buf[0]>>16; | |
2626 | scsi_id = buf[1]; | |
2627 | scsi_lun = (buf[2]>>8 )&0xff; | |
2628 | pDev = pHba->channel[bus_no].device[scsi_id]; | |
2629 | /* da lun */ | |
2630 | while(pDev) { | |
2631 | if(pDev->scsi_lun == scsi_lun) { | |
2632 | break; | |
2633 | } | |
2634 | pDev = pDev->next_lun; | |
2635 | } | |
2636 | if(!pDev ) { // Something new add it | |
5cbded58 | 2637 | d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL); |
1da177e4 LT |
2638 | if(d==NULL) |
2639 | { | |
2640 | printk(KERN_CRIT "Out of memory for I2O device data.\n"); | |
2641 | return -ENOMEM; | |
2642 | } | |
2643 | ||
1c2fb3f3 | 2644 | d->controller = pHba; |
1da177e4 LT |
2645 | d->next = NULL; |
2646 | ||
2647 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); | |
2648 | ||
2649 | d->flags = 0; | |
2650 | adpt_i2o_report_hba_unit(pHba, d); | |
2651 | adpt_i2o_install_device(pHba, d); | |
2652 | ||
2653 | if(bus_no >= MAX_CHANNEL) { // Something wrong skip it | |
2654 | printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no); | |
2655 | continue; | |
2656 | } | |
2657 | pDev = pHba->channel[bus_no].device[scsi_id]; | |
2658 | if( pDev == NULL){ | |
ab552204 | 2659 | pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
1da177e4 LT |
2660 | if(pDev == NULL) { |
2661 | return -ENOMEM; | |
2662 | } | |
2663 | pHba->channel[bus_no].device[scsi_id] = pDev; | |
2664 | } else { | |
2665 | while (pDev->next_lun) { | |
2666 | pDev = pDev->next_lun; | |
2667 | } | |
ab552204 | 2668 | pDev = pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL); |
1da177e4 LT |
2669 | if(pDev == NULL) { |
2670 | return -ENOMEM; | |
2671 | } | |
2672 | } | |
1da177e4 LT |
2673 | pDev->tid = d->lct_data.tid; |
2674 | pDev->scsi_channel = bus_no; | |
2675 | pDev->scsi_id = scsi_id; | |
2676 | pDev->scsi_lun = scsi_lun; | |
2677 | pDev->pI2o_dev = d; | |
2678 | d->owner = pDev; | |
2679 | pDev->type = (buf[0])&0xff; | |
2680 | pDev->flags = (buf[0]>>8)&0xff; | |
2681 | // Too late, SCSI system has made up it's mind, but what the hey ... | |
2682 | if(scsi_id > pHba->top_scsi_id){ | |
2683 | pHba->top_scsi_id = scsi_id; | |
2684 | } | |
2685 | if(scsi_lun > pHba->top_scsi_lun){ | |
2686 | pHba->top_scsi_lun = scsi_lun; | |
2687 | } | |
2688 | continue; | |
2689 | } // end of new i2o device | |
2690 | ||
2691 | // We found an old device - check it | |
2692 | while(pDev) { | |
2693 | if(pDev->scsi_lun == scsi_lun) { | |
2694 | if(!scsi_device_online(pDev->pScsi_dev)) { | |
2695 | printk(KERN_WARNING"%s: Setting device (%d,%d,%d) back online\n", | |
2696 | pHba->name,bus_no,scsi_id,scsi_lun); | |
2697 | if (pDev->pScsi_dev) { | |
2698 | scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING); | |
2699 | } | |
2700 | } | |
2701 | d = pDev->pI2o_dev; | |
2702 | if(d->lct_data.tid != tid) { // something changed | |
2703 | pDev->tid = tid; | |
2704 | memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry)); | |
2705 | if (pDev->pScsi_dev) { | |
2706 | pDev->pScsi_dev->changed = TRUE; | |
2707 | pDev->pScsi_dev->removable = TRUE; | |
2708 | } | |
2709 | } | |
2710 | // Found it - mark it scanned | |
2711 | pDev->state = DPTI_DEV_ONLINE; | |
2712 | break; | |
2713 | } | |
2714 | pDev = pDev->next_lun; | |
2715 | } | |
2716 | } | |
2717 | } | |
2718 | for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) { | |
2719 | pDev =(struct adpt_device*) pI2o_dev->owner; | |
2720 | if(!pDev){ | |
2721 | continue; | |
2722 | } | |
2723 | // Drive offline drives that previously existed but could not be found | |
2724 | // in the LCT table | |
2725 | if (pDev->state & DPTI_DEV_UNSCANNED){ | |
2726 | pDev->state = DPTI_DEV_OFFLINE; | |
2727 | printk(KERN_WARNING"%s: Device (%d,%d,%d) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun); | |
2728 | if (pDev->pScsi_dev) { | |
2729 | scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE); | |
2730 | } | |
2731 | } | |
2732 | } | |
2733 | return 0; | |
2734 | } | |
2735 | ||
2736 | static void adpt_fail_posted_scbs(adpt_hba* pHba) | |
2737 | { | |
2738 | struct scsi_cmnd* cmd = NULL; | |
2739 | struct scsi_device* d = NULL; | |
2740 | ||
2741 | shost_for_each_device(d, pHba->host) { | |
2742 | unsigned long flags; | |
2743 | spin_lock_irqsave(&d->list_lock, flags); | |
2744 | list_for_each_entry(cmd, &d->cmd_list, list) { | |
2745 | if(cmd->serial_number == 0){ | |
2746 | continue; | |
2747 | } | |
2748 | cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1); | |
2749 | cmd->scsi_done(cmd); | |
2750 | } | |
2751 | spin_unlock_irqrestore(&d->list_lock, flags); | |
2752 | } | |
2753 | } | |
2754 | ||
2755 | ||
2756 | /*============================================================================ | |
2757 | * Routines from i2o subsystem | |
2758 | *============================================================================ | |
2759 | */ | |
2760 | ||
2761 | ||
2762 | ||
2763 | /* | |
2764 | * Bring an I2O controller into HOLD state. See the spec. | |
2765 | */ | |
2766 | static int adpt_i2o_activate_hba(adpt_hba* pHba) | |
2767 | { | |
2768 | int rcode; | |
2769 | ||
2770 | if(pHba->initialized ) { | |
2771 | if (adpt_i2o_status_get(pHba) < 0) { | |
2772 | if((rcode = adpt_i2o_reset_hba(pHba)) != 0){ | |
2773 | printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name); | |
2774 | return rcode; | |
2775 | } | |
2776 | if (adpt_i2o_status_get(pHba) < 0) { | |
2777 | printk(KERN_INFO "HBA not responding.\n"); | |
2778 | return -1; | |
2779 | } | |
2780 | } | |
2781 | ||
2782 | if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) { | |
2783 | printk(KERN_CRIT "%s: hardware fault\n", pHba->name); | |
2784 | return -1; | |
2785 | } | |
2786 | ||
2787 | if (pHba->status_block->iop_state == ADAPTER_STATE_READY || | |
2788 | pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL || | |
2789 | pHba->status_block->iop_state == ADAPTER_STATE_HOLD || | |
2790 | pHba->status_block->iop_state == ADAPTER_STATE_FAILED) { | |
2791 | adpt_i2o_reset_hba(pHba); | |
2792 | if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) { | |
2793 | printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name); | |
2794 | return -1; | |
2795 | } | |
2796 | } | |
2797 | } else { | |
2798 | if((rcode = adpt_i2o_reset_hba(pHba)) != 0){ | |
2799 | printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name); | |
2800 | return rcode; | |
2801 | } | |
2802 | ||
2803 | } | |
2804 | ||
2805 | if (adpt_i2o_init_outbound_q(pHba) < 0) { | |
2806 | return -1; | |
2807 | } | |
2808 | ||
2809 | /* In HOLD state */ | |
2810 | ||
2811 | if (adpt_i2o_hrt_get(pHba) < 0) { | |
2812 | return -1; | |
2813 | } | |
2814 | ||
2815 | return 0; | |
2816 | } | |
2817 | ||
2818 | /* | |
2819 | * Bring a controller online into OPERATIONAL state. | |
2820 | */ | |
2821 | ||
2822 | static int adpt_i2o_online_hba(adpt_hba* pHba) | |
2823 | { | |
2824 | if (adpt_i2o_systab_send(pHba) < 0) { | |
2825 | adpt_i2o_delete_hba(pHba); | |
2826 | return -1; | |
2827 | } | |
2828 | /* In READY state */ | |
2829 | ||
2830 | if (adpt_i2o_enable_hba(pHba) < 0) { | |
2831 | adpt_i2o_delete_hba(pHba); | |
2832 | return -1; | |
2833 | } | |
2834 | ||
2835 | /* In OPERATIONAL state */ | |
2836 | return 0; | |
2837 | } | |
2838 | ||
2839 | static s32 adpt_send_nop(adpt_hba*pHba,u32 m) | |
2840 | { | |
2841 | u32 __iomem *msg; | |
2842 | ulong timeout = jiffies + 5*HZ; | |
2843 | ||
2844 | while(m == EMPTY_QUEUE){ | |
2845 | rmb(); | |
2846 | m = readl(pHba->post_port); | |
2847 | if(m != EMPTY_QUEUE){ | |
2848 | break; | |
2849 | } | |
2850 | if(time_after(jiffies,timeout)){ | |
2851 | printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name); | |
2852 | return 2; | |
2853 | } | |
a9a3047d | 2854 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2855 | } |
2856 | msg = (u32 __iomem *)(pHba->msg_addr_virt + m); | |
2857 | writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]); | |
2858 | writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]); | |
2859 | writel( 0,&msg[2]); | |
2860 | wmb(); | |
2861 | ||
2862 | writel(m, pHba->post_port); | |
2863 | wmb(); | |
2864 | return 0; | |
2865 | } | |
2866 | ||
2867 | static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba) | |
2868 | { | |
2869 | u8 *status; | |
67af2b06 | 2870 | dma_addr_t addr; |
1da177e4 LT |
2871 | u32 __iomem *msg = NULL; |
2872 | int i; | |
2873 | ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ; | |
1da177e4 LT |
2874 | u32 m; |
2875 | ||
2876 | do { | |
2877 | rmb(); | |
2878 | m = readl(pHba->post_port); | |
2879 | if (m != EMPTY_QUEUE) { | |
2880 | break; | |
2881 | } | |
2882 | ||
2883 | if(time_after(jiffies,timeout)){ | |
2884 | printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name); | |
2885 | return -ETIMEDOUT; | |
2886 | } | |
a9a3047d | 2887 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2888 | } while(m == EMPTY_QUEUE); |
2889 | ||
2890 | msg=(u32 __iomem *)(pHba->msg_addr_virt+m); | |
2891 | ||
67af2b06 | 2892 | status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL); |
bbfbbbc1 | 2893 | if (!status) { |
1da177e4 LT |
2894 | adpt_send_nop(pHba, m); |
2895 | printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n", | |
2896 | pHba->name); | |
2897 | return -ENOMEM; | |
2898 | } | |
67af2b06 | 2899 | memset(status, 0, 4); |
1da177e4 LT |
2900 | |
2901 | writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]); | |
2902 | writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]); | |
2903 | writel(0, &msg[2]); | |
2904 | writel(0x0106, &msg[3]); /* Transaction context */ | |
2905 | writel(4096, &msg[4]); /* Host page frame size */ | |
2906 | writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */ | |
2907 | writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */ | |
67af2b06 | 2908 | writel((u32)addr, &msg[7]); |
1da177e4 LT |
2909 | |
2910 | writel(m, pHba->post_port); | |
2911 | wmb(); | |
2912 | ||
2913 | // Wait for the reply status to come back | |
2914 | do { | |
2915 | if (*status) { | |
2916 | if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) { | |
2917 | break; | |
2918 | } | |
2919 | } | |
2920 | rmb(); | |
2921 | if(time_after(jiffies,timeout)){ | |
2922 | printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name); | |
67af2b06 MS |
2923 | /* We lose 4 bytes of "status" here, but we |
2924 | cannot free these because controller may | |
2925 | awake and corrupt those bytes at any time */ | |
2926 | /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */ | |
1da177e4 LT |
2927 | return -ETIMEDOUT; |
2928 | } | |
a9a3047d | 2929 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
2930 | } while (1); |
2931 | ||
2932 | // If the command was successful, fill the fifo with our reply | |
2933 | // message packets | |
2934 | if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) { | |
67af2b06 | 2935 | dma_free_coherent(&pHba->pDev->dev, 4, status, addr); |
1da177e4 LT |
2936 | return -2; |
2937 | } | |
67af2b06 | 2938 | dma_free_coherent(&pHba->pDev->dev, 4, status, addr); |
1da177e4 | 2939 | |
67af2b06 MS |
2940 | if(pHba->reply_pool != NULL) { |
2941 | dma_free_coherent(&pHba->pDev->dev, | |
2942 | pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, | |
2943 | pHba->reply_pool, pHba->reply_pool_pa); | |
2944 | } | |
1da177e4 | 2945 | |
67af2b06 MS |
2946 | pHba->reply_pool = dma_alloc_coherent(&pHba->pDev->dev, |
2947 | pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, | |
2948 | &pHba->reply_pool_pa, GFP_KERNEL); | |
bbfbbbc1 MK |
2949 | if (!pHba->reply_pool) { |
2950 | printk(KERN_ERR "%s: Could not allocate reply pool\n", pHba->name); | |
2951 | return -ENOMEM; | |
1da177e4 | 2952 | } |
67af2b06 | 2953 | memset(pHba->reply_pool, 0 , pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4); |
1da177e4 | 2954 | |
1da177e4 | 2955 | for(i = 0; i < pHba->reply_fifo_size; i++) { |
67af2b06 MS |
2956 | writel(pHba->reply_pool_pa + (i * REPLY_FRAME_SIZE * 4), |
2957 | pHba->reply_port); | |
1da177e4 | 2958 | wmb(); |
1da177e4 LT |
2959 | } |
2960 | adpt_i2o_status_get(pHba); | |
2961 | return 0; | |
2962 | } | |
2963 | ||
2964 | ||
2965 | /* | |
2966 | * I2O System Table. Contains information about | |
2967 | * all the IOPs in the system. Used to inform IOPs | |
2968 | * about each other's existence. | |
2969 | * | |
2970 | * sys_tbl_ver is the CurrentChangeIndicator that is | |
2971 | * used by IOPs to track changes. | |
2972 | */ | |
2973 | ||
2974 | ||
2975 | ||
2976 | static s32 adpt_i2o_status_get(adpt_hba* pHba) | |
2977 | { | |
2978 | ulong timeout; | |
2979 | u32 m; | |
2980 | u32 __iomem *msg; | |
2981 | u8 *status_block=NULL; | |
1da177e4 LT |
2982 | |
2983 | if(pHba->status_block == NULL) { | |
67af2b06 MS |
2984 | pHba->status_block = dma_alloc_coherent(&pHba->pDev->dev, |
2985 | sizeof(i2o_status_block), | |
2986 | &pHba->status_block_pa, GFP_KERNEL); | |
1da177e4 LT |
2987 | if(pHba->status_block == NULL) { |
2988 | printk(KERN_ERR | |
2989 | "dpti%d: Get Status Block failed; Out of memory. \n", | |
2990 | pHba->unit); | |
2991 | return -ENOMEM; | |
2992 | } | |
2993 | } | |
2994 | memset(pHba->status_block, 0, sizeof(i2o_status_block)); | |
2995 | status_block = (u8*)(pHba->status_block); | |
1da177e4 LT |
2996 | timeout = jiffies+TMOUT_GETSTATUS*HZ; |
2997 | do { | |
2998 | rmb(); | |
2999 | m = readl(pHba->post_port); | |
3000 | if (m != EMPTY_QUEUE) { | |
3001 | break; | |
3002 | } | |
3003 | if(time_after(jiffies,timeout)){ | |
3004 | printk(KERN_ERR "%s: Timeout waiting for message !\n", | |
3005 | pHba->name); | |
3006 | return -ETIMEDOUT; | |
3007 | } | |
a9a3047d | 3008 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
3009 | } while(m==EMPTY_QUEUE); |
3010 | ||
3011 | ||
3012 | msg=(u32 __iomem *)(pHba->msg_addr_virt+m); | |
3013 | ||
3014 | writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]); | |
3015 | writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]); | |
3016 | writel(1, &msg[2]); | |
3017 | writel(0, &msg[3]); | |
3018 | writel(0, &msg[4]); | |
3019 | writel(0, &msg[5]); | |
67af2b06 MS |
3020 | writel( dma_low(pHba->status_block_pa), &msg[6]); |
3021 | writel( dma_high(pHba->status_block_pa), &msg[7]); | |
1da177e4 LT |
3022 | writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes |
3023 | ||
3024 | //post message | |
3025 | writel(m, pHba->post_port); | |
3026 | wmb(); | |
3027 | ||
3028 | while(status_block[87]!=0xff){ | |
3029 | if(time_after(jiffies,timeout)){ | |
3030 | printk(KERN_ERR"dpti%d: Get status timeout.\n", | |
3031 | pHba->unit); | |
3032 | return -ETIMEDOUT; | |
3033 | } | |
3034 | rmb(); | |
a9a3047d | 3035 | schedule_timeout_uninterruptible(1); |
1da177e4 LT |
3036 | } |
3037 | ||
3038 | // Set up our number of outbound and inbound messages | |
3039 | pHba->post_fifo_size = pHba->status_block->max_inbound_frames; | |
3040 | if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) { | |
3041 | pHba->post_fifo_size = MAX_TO_IOP_MESSAGES; | |
3042 | } | |
3043 | ||
3044 | pHba->reply_fifo_size = pHba->status_block->max_outbound_frames; | |
3045 | if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) { | |
3046 | pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES; | |
3047 | } | |
3048 | ||
3049 | // Calculate the Scatter Gather list size | |
62ac5aed MS |
3050 | if (dpt_dma64(pHba)) { |
3051 | pHba->sg_tablesize | |
3052 | = ((pHba->status_block->inbound_frame_size * 4 | |
3053 | - 14 * sizeof(u32)) | |
3054 | / (sizeof(struct sg_simple_element) + sizeof(u32))); | |
3055 | } else { | |
3056 | pHba->sg_tablesize | |
3057 | = ((pHba->status_block->inbound_frame_size * 4 | |
3058 | - 12 * sizeof(u32)) | |
3059 | / sizeof(struct sg_simple_element)); | |
3060 | } | |
1da177e4 LT |
3061 | if (pHba->sg_tablesize > SG_LIST_ELEMENTS) { |
3062 | pHba->sg_tablesize = SG_LIST_ELEMENTS; | |
3063 | } | |
3064 | ||
3065 | ||
3066 | #ifdef DEBUG | |
3067 | printk("dpti%d: State = ",pHba->unit); | |
3068 | switch(pHba->status_block->iop_state) { | |
3069 | case 0x01: | |
3070 | printk("INIT\n"); | |
3071 | break; | |
3072 | case 0x02: | |
3073 | printk("RESET\n"); | |
3074 | break; | |
3075 | case 0x04: | |
3076 | printk("HOLD\n"); | |
3077 | break; | |
3078 | case 0x05: | |
3079 | printk("READY\n"); | |
3080 | break; | |
3081 | case 0x08: | |
3082 | printk("OPERATIONAL\n"); | |
3083 | break; | |
3084 | case 0x10: | |
3085 | printk("FAILED\n"); | |
3086 | break; | |
3087 | case 0x11: | |
3088 | printk("FAULTED\n"); | |
3089 | break; | |
3090 | default: | |
3091 | printk("%x (unknown!!)\n",pHba->status_block->iop_state); | |
3092 | } | |
3093 | #endif | |
3094 | return 0; | |
3095 | } | |
3096 | ||
3097 | /* | |
3098 | * Get the IOP's Logical Configuration Table | |
3099 | */ | |
3100 | static int adpt_i2o_lct_get(adpt_hba* pHba) | |
3101 | { | |
3102 | u32 msg[8]; | |
3103 | int ret; | |
3104 | u32 buf[16]; | |
3105 | ||
3106 | if ((pHba->lct_size == 0) || (pHba->lct == NULL)){ | |
3107 | pHba->lct_size = pHba->status_block->expected_lct_size; | |
3108 | } | |
3109 | do { | |
3110 | if (pHba->lct == NULL) { | |
67af2b06 MS |
3111 | pHba->lct = dma_alloc_coherent(&pHba->pDev->dev, |
3112 | pHba->lct_size, &pHba->lct_pa, | |
3113 | GFP_KERNEL); | |
1da177e4 LT |
3114 | if(pHba->lct == NULL) { |
3115 | printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n", | |
3116 | pHba->name); | |
3117 | return -ENOMEM; | |
3118 | } | |
3119 | } | |
3120 | memset(pHba->lct, 0, pHba->lct_size); | |
3121 | ||
3122 | msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6; | |
3123 | msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID; | |
3124 | msg[2] = 0; | |
3125 | msg[3] = 0; | |
3126 | msg[4] = 0xFFFFFFFF; /* All devices */ | |
3127 | msg[5] = 0x00000000; /* Report now */ | |
3128 | msg[6] = 0xD0000000|pHba->lct_size; | |
67af2b06 | 3129 | msg[7] = (u32)pHba->lct_pa; |
1da177e4 LT |
3130 | |
3131 | if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) { | |
3132 | printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n", | |
3133 | pHba->name, ret); | |
3134 | printk(KERN_ERR"Adaptec: Error Reading Hardware.\n"); | |
3135 | return ret; | |
3136 | } | |
3137 | ||
3138 | if ((pHba->lct->table_size << 2) > pHba->lct_size) { | |
3139 | pHba->lct_size = pHba->lct->table_size << 2; | |
67af2b06 MS |
3140 | dma_free_coherent(&pHba->pDev->dev, pHba->lct_size, |
3141 | pHba->lct, pHba->lct_pa); | |
1da177e4 LT |
3142 | pHba->lct = NULL; |
3143 | } | |
3144 | } while (pHba->lct == NULL); | |
3145 | ||
3146 | PDEBUG("%s: Hardware resource table read.\n", pHba->name); | |
3147 | ||
3148 | ||
3149 | // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO; | |
3150 | if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) { | |
3151 | pHba->FwDebugBufferSize = buf[1]; | |
62ac5aed MS |
3152 | pHba->FwDebugBuffer_P = ioremap(pHba->base_addr_phys + buf[0], |
3153 | pHba->FwDebugBufferSize); | |
3154 | if (pHba->FwDebugBuffer_P) { | |
3155 | pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P + | |
3156 | FW_DEBUG_FLAGS_OFFSET; | |
3157 | pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P + | |
3158 | FW_DEBUG_BLED_OFFSET; | |
3159 | pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1; | |
3160 | pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P + | |
3161 | FW_DEBUG_STR_LENGTH_OFFSET; | |
3162 | pHba->FwDebugBuffer_P += buf[2]; | |
3163 | pHba->FwDebugFlags = 0; | |
3164 | } | |
1da177e4 LT |
3165 | } |
3166 | ||
3167 | return 0; | |
3168 | } | |
3169 | ||
3170 | static int adpt_i2o_build_sys_table(void) | |
3171 | { | |
67af2b06 | 3172 | adpt_hba* pHba = hba_chain; |
1da177e4 LT |
3173 | int count = 0; |
3174 | ||
67af2b06 MS |
3175 | if (sys_tbl) |
3176 | dma_free_coherent(&pHba->pDev->dev, sys_tbl_len, | |
3177 | sys_tbl, sys_tbl_pa); | |
3178 | ||
1da177e4 LT |
3179 | sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs |
3180 | (hba_count) * sizeof(struct i2o_sys_tbl_entry); | |
3181 | ||
67af2b06 MS |
3182 | sys_tbl = dma_alloc_coherent(&pHba->pDev->dev, |
3183 | sys_tbl_len, &sys_tbl_pa, GFP_KERNEL); | |
bbfbbbc1 | 3184 | if (!sys_tbl) { |
1da177e4 LT |
3185 | printk(KERN_WARNING "SysTab Set failed. Out of memory.\n"); |
3186 | return -ENOMEM; | |
3187 | } | |
67af2b06 | 3188 | memset(sys_tbl, 0, sys_tbl_len); |
1da177e4 LT |
3189 | |
3190 | sys_tbl->num_entries = hba_count; | |
3191 | sys_tbl->version = I2OVERSION; | |
3192 | sys_tbl->change_ind = sys_tbl_ind++; | |
3193 | ||
3194 | for(pHba = hba_chain; pHba; pHba = pHba->next) { | |
67af2b06 | 3195 | u64 addr; |
1da177e4 LT |
3196 | // Get updated Status Block so we have the latest information |
3197 | if (adpt_i2o_status_get(pHba)) { | |
3198 | sys_tbl->num_entries--; | |
3199 | continue; // try next one | |
3200 | } | |
3201 | ||
3202 | sys_tbl->iops[count].org_id = pHba->status_block->org_id; | |
3203 | sys_tbl->iops[count].iop_id = pHba->unit + 2; | |
3204 | sys_tbl->iops[count].seg_num = 0; | |
3205 | sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version; | |
3206 | sys_tbl->iops[count].iop_state = pHba->status_block->iop_state; | |
3207 | sys_tbl->iops[count].msg_type = pHba->status_block->msg_type; | |
3208 | sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size; | |
3209 | sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ?? | |
3210 | sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities; | |
67af2b06 MS |
3211 | addr = pHba->base_addr_phys + 0x40; |
3212 | sys_tbl->iops[count].inbound_low = dma_low(addr); | |
3213 | sys_tbl->iops[count].inbound_high = dma_high(addr); | |
1da177e4 LT |
3214 | |
3215 | count++; | |
3216 | } | |
3217 | ||
3218 | #ifdef DEBUG | |
3219 | { | |
3220 | u32 *table = (u32*)sys_tbl; | |
3221 | printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2)); | |
3222 | for(count = 0; count < (sys_tbl_len >>2); count++) { | |
3223 | printk(KERN_INFO "sys_tbl[%d] = %0#10x\n", | |
3224 | count, table[count]); | |
3225 | } | |
3226 | } | |
3227 | #endif | |
3228 | ||
3229 | return 0; | |
3230 | } | |
3231 | ||
3232 | ||
3233 | /* | |
3234 | * Dump the information block associated with a given unit (TID) | |
3235 | */ | |
3236 | ||
3237 | static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d) | |
3238 | { | |
3239 | char buf[64]; | |
3240 | int unit = d->lct_data.tid; | |
3241 | ||
3242 | printk(KERN_INFO "TID %3.3d ", unit); | |
3243 | ||
3244 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0) | |
3245 | { | |
3246 | buf[16]=0; | |
3247 | printk(" Vendor: %-12.12s", buf); | |
3248 | } | |
3249 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0) | |
3250 | { | |
3251 | buf[16]=0; | |
3252 | printk(" Device: %-12.12s", buf); | |
3253 | } | |
3254 | if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0) | |
3255 | { | |
3256 | buf[8]=0; | |
3257 | printk(" Rev: %-12.12s\n", buf); | |
3258 | } | |
3259 | #ifdef DEBUG | |
3260 | printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id)); | |
3261 | printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class); | |
3262 | printk(KERN_INFO "\tFlags: "); | |
3263 | ||
3264 | if(d->lct_data.device_flags&(1<<0)) | |
3265 | printk("C"); // ConfigDialog requested | |
3266 | if(d->lct_data.device_flags&(1<<1)) | |
3267 | printk("U"); // Multi-user capable | |
3268 | if(!(d->lct_data.device_flags&(1<<4))) | |
3269 | printk("P"); // Peer service enabled! | |
3270 | if(!(d->lct_data.device_flags&(1<<5))) | |
3271 | printk("M"); // Mgmt service enabled! | |
3272 | printk("\n"); | |
3273 | #endif | |
3274 | } | |
3275 | ||
3276 | #ifdef DEBUG | |
3277 | /* | |
3278 | * Do i2o class name lookup | |
3279 | */ | |
3280 | static const char *adpt_i2o_get_class_name(int class) | |
3281 | { | |
3282 | int idx = 16; | |
3283 | static char *i2o_class_name[] = { | |
3284 | "Executive", | |
3285 | "Device Driver Module", | |
3286 | "Block Device", | |
3287 | "Tape Device", | |
3288 | "LAN Interface", | |
3289 | "WAN Interface", | |
3290 | "Fibre Channel Port", | |
3291 | "Fibre Channel Device", | |
3292 | "SCSI Device", | |
3293 | "ATE Port", | |
3294 | "ATE Device", | |
3295 | "Floppy Controller", | |
3296 | "Floppy Device", | |
3297 | "Secondary Bus Port", | |
3298 | "Peer Transport Agent", | |
3299 | "Peer Transport", | |
3300 | "Unknown" | |
3301 | }; | |
3302 | ||
3303 | switch(class&0xFFF) { | |
3304 | case I2O_CLASS_EXECUTIVE: | |
3305 | idx = 0; break; | |
3306 | case I2O_CLASS_DDM: | |
3307 | idx = 1; break; | |
3308 | case I2O_CLASS_RANDOM_BLOCK_STORAGE: | |
3309 | idx = 2; break; | |
3310 | case I2O_CLASS_SEQUENTIAL_STORAGE: | |
3311 | idx = 3; break; | |
3312 | case I2O_CLASS_LAN: | |
3313 | idx = 4; break; | |
3314 | case I2O_CLASS_WAN: | |
3315 | idx = 5; break; | |
3316 | case I2O_CLASS_FIBRE_CHANNEL_PORT: | |
3317 | idx = 6; break; | |
3318 | case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL: | |
3319 | idx = 7; break; | |
3320 | case I2O_CLASS_SCSI_PERIPHERAL: | |
3321 | idx = 8; break; | |
3322 | case I2O_CLASS_ATE_PORT: | |
3323 | idx = 9; break; | |
3324 | case I2O_CLASS_ATE_PERIPHERAL: | |
3325 | idx = 10; break; | |
3326 | case I2O_CLASS_FLOPPY_CONTROLLER: | |
3327 | idx = 11; break; | |
3328 | case I2O_CLASS_FLOPPY_DEVICE: | |
3329 | idx = 12; break; | |
3330 | case I2O_CLASS_BUS_ADAPTER_PORT: | |
3331 | idx = 13; break; | |
3332 | case I2O_CLASS_PEER_TRANSPORT_AGENT: | |
3333 | idx = 14; break; | |
3334 | case I2O_CLASS_PEER_TRANSPORT: | |
3335 | idx = 15; break; | |
3336 | } | |
3337 | return i2o_class_name[idx]; | |
3338 | } | |
3339 | #endif | |
3340 | ||
3341 | ||
3342 | static s32 adpt_i2o_hrt_get(adpt_hba* pHba) | |
3343 | { | |
3344 | u32 msg[6]; | |
3345 | int ret, size = sizeof(i2o_hrt); | |
3346 | ||
3347 | do { | |
3348 | if (pHba->hrt == NULL) { | |
67af2b06 MS |
3349 | pHba->hrt = dma_alloc_coherent(&pHba->pDev->dev, |
3350 | size, &pHba->hrt_pa, GFP_KERNEL); | |
1da177e4 LT |
3351 | if (pHba->hrt == NULL) { |
3352 | printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name); | |
3353 | return -ENOMEM; | |
3354 | } | |
3355 | } | |
3356 | ||
3357 | msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4; | |
3358 | msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID; | |
3359 | msg[2]= 0; | |
3360 | msg[3]= 0; | |
3361 | msg[4]= (0xD0000000 | size); /* Simple transaction */ | |
67af2b06 | 3362 | msg[5]= (u32)pHba->hrt_pa; /* Dump it here */ |
1da177e4 LT |
3363 | |
3364 | if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) { | |
3365 | printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret); | |
3366 | return ret; | |
3367 | } | |
3368 | ||
3369 | if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) { | |
67af2b06 MS |
3370 | int newsize = pHba->hrt->num_entries * pHba->hrt->entry_len << 2; |
3371 | dma_free_coherent(&pHba->pDev->dev, size, | |
3372 | pHba->hrt, pHba->hrt_pa); | |
3373 | size = newsize; | |
1da177e4 LT |
3374 | pHba->hrt = NULL; |
3375 | } | |
3376 | } while(pHba->hrt == NULL); | |
3377 | return 0; | |
3378 | } | |
3379 | ||
3380 | /* | |
3381 | * Query one scalar group value or a whole scalar group. | |
3382 | */ | |
3383 | static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid, | |
3384 | int group, int field, void *buf, int buflen) | |
3385 | { | |
3386 | u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field }; | |
67af2b06 MS |
3387 | u8 *opblk_va; |
3388 | dma_addr_t opblk_pa; | |
3389 | u8 *resblk_va; | |
3390 | dma_addr_t resblk_pa; | |
1da177e4 LT |
3391 | |
3392 | int size; | |
3393 | ||
3394 | /* 8 bytes for header */ | |
67af2b06 MS |
3395 | resblk_va = dma_alloc_coherent(&pHba->pDev->dev, |
3396 | sizeof(u8) * (8 + buflen), &resblk_pa, GFP_KERNEL); | |
3397 | if (resblk_va == NULL) { | |
1da177e4 LT |
3398 | printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name); |
3399 | return -ENOMEM; | |
3400 | } | |
3401 | ||
67af2b06 MS |
3402 | opblk_va = dma_alloc_coherent(&pHba->pDev->dev, |
3403 | sizeof(opblk), &opblk_pa, GFP_KERNEL); | |
3404 | if (opblk_va == NULL) { | |
3405 | dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen), | |
3406 | resblk_va, resblk_pa); | |
3407 | printk(KERN_CRIT "%s: query operatio failed; Out of memory.\n", | |
3408 | pHba->name); | |
3409 | return -ENOMEM; | |
3410 | } | |
1da177e4 LT |
3411 | if (field == -1) /* whole group */ |
3412 | opblk[4] = -1; | |
3413 | ||
67af2b06 | 3414 | memcpy(opblk_va, opblk, sizeof(opblk)); |
1da177e4 | 3415 | size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid, |
67af2b06 MS |
3416 | opblk_va, opblk_pa, sizeof(opblk), |
3417 | resblk_va, resblk_pa, sizeof(u8)*(8+buflen)); | |
3418 | dma_free_coherent(&pHba->pDev->dev, sizeof(opblk), opblk_va, opblk_pa); | |
1da177e4 | 3419 | if (size == -ETIME) { |
67af2b06 MS |
3420 | dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen), |
3421 | resblk_va, resblk_pa); | |
1da177e4 LT |
3422 | printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name); |
3423 | return -ETIME; | |
3424 | } else if (size == -EINTR) { | |
67af2b06 MS |
3425 | dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen), |
3426 | resblk_va, resblk_pa); | |
1da177e4 LT |
3427 | printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name); |
3428 | return -EINTR; | |
3429 | } | |
3430 | ||
67af2b06 | 3431 | memcpy(buf, resblk_va+8, buflen); /* cut off header */ |
1da177e4 | 3432 | |
67af2b06 MS |
3433 | dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen), |
3434 | resblk_va, resblk_pa); | |
1da177e4 LT |
3435 | if (size < 0) |
3436 | return size; | |
3437 | ||
3438 | return buflen; | |
3439 | } | |
3440 | ||
3441 | ||
3442 | /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET | |
3443 | * | |
3444 | * This function can be used for all UtilParamsGet/Set operations. | |
3445 | * The OperationBlock is given in opblk-buffer, | |
3446 | * and results are returned in resblk-buffer. | |
3447 | * Note that the minimum sized resblk is 8 bytes and contains | |
3448 | * ResultCount, ErrorInfoSize, BlockStatus and BlockSize. | |
3449 | */ | |
3450 | static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid, | |
67af2b06 MS |
3451 | void *opblk_va, dma_addr_t opblk_pa, int oplen, |
3452 | void *resblk_va, dma_addr_t resblk_pa, int reslen) | |
1da177e4 LT |
3453 | { |
3454 | u32 msg[9]; | |
67af2b06 | 3455 | u32 *res = (u32 *)resblk_va; |
1da177e4 LT |
3456 | int wait_status; |
3457 | ||
3458 | msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5; | |
3459 | msg[1] = cmd << 24 | HOST_TID << 12 | tid; | |
3460 | msg[2] = 0; | |
3461 | msg[3] = 0; | |
3462 | msg[4] = 0; | |
3463 | msg[5] = 0x54000000 | oplen; /* OperationBlock */ | |
67af2b06 | 3464 | msg[6] = (u32)opblk_pa; |
1da177e4 | 3465 | msg[7] = 0xD0000000 | reslen; /* ResultBlock */ |
67af2b06 | 3466 | msg[8] = (u32)resblk_pa; |
1da177e4 LT |
3467 | |
3468 | if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) { | |
67af2b06 | 3469 | printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va); |
1da177e4 LT |
3470 | return wait_status; /* -DetailedStatus */ |
3471 | } | |
3472 | ||
3473 | if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */ | |
3474 | printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, " | |
3475 | "BlockStatus = 0x%02x, BlockSize = 0x%04x\n", | |
3476 | pHba->name, | |
3477 | (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET" | |
3478 | : "PARAMS_GET", | |
3479 | res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF); | |
3480 | return -((res[1] >> 16) & 0xFF); /* -BlockStatus */ | |
3481 | } | |
3482 | ||
3483 | return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */ | |
3484 | } | |
3485 | ||
3486 | ||
3487 | static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba) | |
3488 | { | |
3489 | u32 msg[4]; | |
3490 | int ret; | |
3491 | ||
3492 | adpt_i2o_status_get(pHba); | |
3493 | ||
3494 | /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */ | |
3495 | ||
3496 | if((pHba->status_block->iop_state != ADAPTER_STATE_READY) && | |
3497 | (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){ | |
3498 | return 0; | |
3499 | } | |
3500 | ||
3501 | msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; | |
3502 | msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID; | |
3503 | msg[2] = 0; | |
3504 | msg[3] = 0; | |
3505 | ||
3506 | if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) { | |
3507 | printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n", | |
3508 | pHba->unit, -ret); | |
3509 | } else { | |
3510 | printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit); | |
3511 | } | |
3512 | ||
3513 | adpt_i2o_status_get(pHba); | |
3514 | return ret; | |
3515 | } | |
3516 | ||
3517 | ||
3518 | /* | |
3519 | * Enable IOP. Allows the IOP to resume external operations. | |
3520 | */ | |
3521 | static int adpt_i2o_enable_hba(adpt_hba* pHba) | |
3522 | { | |
3523 | u32 msg[4]; | |
3524 | int ret; | |
3525 | ||
3526 | adpt_i2o_status_get(pHba); | |
3527 | if(!pHba->status_block){ | |
3528 | return -ENOMEM; | |
3529 | } | |
3530 | /* Enable only allowed on READY state */ | |
3531 | if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL) | |
3532 | return 0; | |
3533 | ||
3534 | if(pHba->status_block->iop_state != ADAPTER_STATE_READY) | |
3535 | return -EINVAL; | |
3536 | ||
3537 | msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; | |
3538 | msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID; | |
3539 | msg[2]= 0; | |
3540 | msg[3]= 0; | |
3541 | ||
3542 | if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) { | |
3543 | printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n", | |
3544 | pHba->name, ret); | |
3545 | } else { | |
3546 | PDEBUG("%s: Enabled.\n", pHba->name); | |
3547 | } | |
3548 | ||
3549 | adpt_i2o_status_get(pHba); | |
3550 | return ret; | |
3551 | } | |
3552 | ||
3553 | ||
3554 | static int adpt_i2o_systab_send(adpt_hba* pHba) | |
3555 | { | |
3556 | u32 msg[12]; | |
3557 | int ret; | |
3558 | ||
3559 | msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6; | |
3560 | msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID; | |
3561 | msg[2] = 0; | |
3562 | msg[3] = 0; | |
3563 | msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */ | |
3564 | msg[5] = 0; /* Segment 0 */ | |
3565 | ||
3566 | /* | |
3567 | * Provide three SGL-elements: | |
3568 | * System table (SysTab), Private memory space declaration and | |
3569 | * Private i/o space declaration | |
3570 | */ | |
3571 | msg[6] = 0x54000000 | sys_tbl_len; | |
67af2b06 | 3572 | msg[7] = (u32)sys_tbl_pa; |
1da177e4 LT |
3573 | msg[8] = 0x54000000 | 0; |
3574 | msg[9] = 0; | |
3575 | msg[10] = 0xD4000000 | 0; | |
3576 | msg[11] = 0; | |
3577 | ||
3578 | if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) { | |
3579 | printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n", | |
3580 | pHba->name, ret); | |
3581 | } | |
3582 | #ifdef DEBUG | |
3583 | else { | |
3584 | PINFO("%s: SysTab set.\n", pHba->name); | |
3585 | } | |
3586 | #endif | |
3587 | ||
3588 | return ret; | |
3589 | } | |
3590 | ||
3591 | ||
3592 | /*============================================================================ | |
3593 | * | |
3594 | *============================================================================ | |
3595 | */ | |
3596 | ||
3597 | ||
3598 | #ifdef UARTDELAY | |
3599 | ||
3600 | static static void adpt_delay(int millisec) | |
3601 | { | |
3602 | int i; | |
3603 | for (i = 0; i < millisec; i++) { | |
3604 | udelay(1000); /* delay for one millisecond */ | |
3605 | } | |
3606 | } | |
3607 | ||
3608 | #endif | |
3609 | ||
24601bbc | 3610 | static struct scsi_host_template driver_template = { |
c864cb14 | 3611 | .module = THIS_MODULE, |
1da177e4 LT |
3612 | .name = "dpt_i2o", |
3613 | .proc_name = "dpt_i2o", | |
3614 | .proc_info = adpt_proc_info, | |
1da177e4 LT |
3615 | .info = adpt_info, |
3616 | .queuecommand = adpt_queue, | |
3617 | .eh_abort_handler = adpt_abort, | |
3618 | .eh_device_reset_handler = adpt_device_reset, | |
3619 | .eh_bus_reset_handler = adpt_bus_reset, | |
3620 | .eh_host_reset_handler = adpt_reset, | |
3621 | .bios_param = adpt_bios_param, | |
3622 | .slave_configure = adpt_slave_configure, | |
3623 | .can_queue = MAX_TO_IOP_MESSAGES, | |
3624 | .this_id = 7, | |
3625 | .cmd_per_lun = 1, | |
3626 | .use_clustering = ENABLE_CLUSTERING, | |
3627 | }; | |
c864cb14 MS |
3628 | |
3629 | static int __init adpt_init(void) | |
3630 | { | |
3631 | int error; | |
3632 | adpt_hba *pHba, *next; | |
3633 | ||
3634 | printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n"); | |
3635 | ||
3636 | error = adpt_detect(&driver_template); | |
3637 | if (error < 0) | |
3638 | return error; | |
3639 | if (hba_chain == NULL) | |
3640 | return -ENODEV; | |
3641 | ||
3642 | for (pHba = hba_chain; pHba; pHba = pHba->next) { | |
3643 | error = scsi_add_host(pHba->host, &pHba->pDev->dev); | |
3644 | if (error) | |
3645 | goto fail; | |
3646 | scsi_scan_host(pHba->host); | |
3647 | } | |
3648 | return 0; | |
3649 | fail: | |
3650 | for (pHba = hba_chain; pHba; pHba = next) { | |
3651 | next = pHba->next; | |
3652 | scsi_remove_host(pHba->host); | |
3653 | } | |
3654 | return error; | |
3655 | } | |
3656 | ||
3657 | static void __exit adpt_exit(void) | |
3658 | { | |
3659 | adpt_hba *pHba, *next; | |
3660 | ||
3661 | for (pHba = hba_chain; pHba; pHba = pHba->next) | |
3662 | scsi_remove_host(pHba->host); | |
3663 | for (pHba = hba_chain; pHba; pHba = next) { | |
3664 | next = pHba->next; | |
3665 | adpt_release(pHba->host); | |
3666 | } | |
3667 | } | |
3668 | ||
3669 | module_init(adpt_init); | |
3670 | module_exit(adpt_exit); | |
3671 | ||
1da177e4 | 3672 | MODULE_LICENSE("GPL"); |