1 /***************************************************************************
5 copyright : (C) 2000 by Adaptec
7 July 30, 2001 First version being submitted
8 for inclusion in the kernel. V2.4
10 See Documentation/scsi/dpti.txt for history, notes, license info
12 ***************************************************************************/
14 /***************************************************************************
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. *
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 **************************************************************************/
30 /*#define UARTDELAY 1 */
32 #include <linux/module.h>
34 MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
35 MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
37 ////////////////////////////////////////////////////////////////
39 #include <linux/ioctl.h> /* For SCSI-Passthrough */
40 #include <asm/uaccess.h>
42 #include <linux/stat.h>
43 #include <linux/slab.h> /* for kmalloc() */
44 #include <linux/pci.h> /* for PCI support */
45 #include <linux/proc_fs.h>
46 #include <linux/blkdev.h>
47 #include <linux/delay.h> /* for udelay */
48 #include <linux/interrupt.h>
49 #include <linux/kernel.h> /* for printk */
50 #include <linux/sched.h>
51 #include <linux/reboot.h>
52 #include <linux/spinlock.h>
53 #include <linux/dma-mapping.h>
55 #include <linux/timer.h>
56 #include <linux/string.h>
57 #include <linux/ioport.h>
58 #include <linux/mutex.h>
60 #include <asm/processor.h> /* for boot_cpu_data */
61 #include <asm/pgtable.h>
62 #include <asm/io.h> /* for virt_to_bus, etc. */
64 #include <scsi/scsi.h>
65 #include <scsi/scsi_cmnd.h>
66 #include <scsi/scsi_device.h>
67 #include <scsi/scsi_host.h>
68 #include <scsi/scsi_tcq.h>
70 #include "dpt/dptsig.h"
73 /*============================================================================
74 * Create a binary signature - this is read by dptsig
75 * Needed for our management apps
76 *============================================================================
78 static DEFINE_MUTEX(adpt_mutex);
79 static dpt_sig_S DPTI_sig = {
80 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION,
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,
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"
100 /*============================================================================
102 *============================================================================
105 static DEFINE_MUTEX(adpt_configuration_lock);
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;
112 static adpt_hba* hba_chain = NULL;
113 static int hba_count = 0;
115 static struct class *adpt_sysfs_class;
117 static long adpt_unlocked_ioctl(struct file *, unsigned int, unsigned long);
119 static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long);
122 static const struct file_operations adpt_fops = {
123 .unlocked_ioctl = adpt_unlocked_ioctl,
125 .release = adpt_close,
127 .compat_ioctl = compat_adpt_ioctl,
129 .llseek = noop_llseek,
132 /* Structures and definitions for synchronous message posting.
133 * See adpt_i2o_post_wait() for description
135 struct adpt_i2o_post_wait_data
139 adpt_wait_queue_head_t *wq;
140 struct adpt_i2o_post_wait_data *next;
143 static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL;
144 static u32 adpt_post_wait_id = 0;
145 static DEFINE_SPINLOCK(adpt_post_wait_lock);
148 /*============================================================================
150 *============================================================================
153 static inline int dpt_dma64(adpt_hba *pHba)
155 return (sizeof(dma_addr_t) > 4 && (pHba)->dma64);
158 static inline u32 dma_high(dma_addr_t addr)
160 return upper_32_bits(addr);
163 static inline u32 dma_low(dma_addr_t addr)
168 static u8 adpt_read_blink_led(adpt_hba* host)
170 if (host->FwDebugBLEDflag_P) {
171 if( readb(host->FwDebugBLEDflag_P) == 0xbc ){
172 return readb(host->FwDebugBLEDvalue_P);
178 /*============================================================================
179 * Scsi host template interface functions
180 *============================================================================
183 static struct pci_device_id dptids[] = {
184 { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
185 { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
188 MODULE_DEVICE_TABLE(pci,dptids);
190 static int adpt_detect(struct scsi_host_template* sht)
192 struct pci_dev *pDev = NULL;
196 PINFO("Detecting Adaptec I2O RAID controllers...\n");
198 /* search for all Adatpec I2O RAID cards */
199 while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
200 if(pDev->device == PCI_DPT_DEVICE_ID ||
201 pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){
202 if(adpt_install_hba(sht, pDev) ){
203 PERROR("Could not Init an I2O RAID device\n");
204 PERROR("Will not try to detect others.\n");
211 /* In INIT state, Activate IOPs */
212 for (pHba = hba_chain; pHba; pHba = next) {
214 // Activate does get status , init outbound, and get hrt
215 if (adpt_i2o_activate_hba(pHba) < 0) {
216 adpt_i2o_delete_hba(pHba);
221 /* Active IOPs in HOLD state */
224 if (hba_chain == NULL)
228 * If build_sys_table fails, we kill everything and bail
229 * as we can't init the IOPs w/o a system table
231 if (adpt_i2o_build_sys_table() < 0) {
232 adpt_i2o_sys_shutdown();
236 PDEBUG("HBA's in HOLD state\n");
238 /* If IOP don't get online, we need to rebuild the System table */
239 for (pHba = hba_chain; pHba; pHba = pHba->next) {
240 if (adpt_i2o_online_hba(pHba) < 0) {
241 adpt_i2o_delete_hba(pHba);
242 goto rebuild_sys_tab;
246 /* Active IOPs now in OPERATIONAL state */
247 PDEBUG("HBA's in OPERATIONAL state\n");
249 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
250 for (pHba = hba_chain; pHba; pHba = next) {
252 printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name);
253 if (adpt_i2o_lct_get(pHba) < 0){
254 adpt_i2o_delete_hba(pHba);
258 if (adpt_i2o_parse_lct(pHba) < 0){
259 adpt_i2o_delete_hba(pHba);
265 adpt_sysfs_class = class_create(THIS_MODULE, "dpt_i2o");
266 if (IS_ERR(adpt_sysfs_class)) {
267 printk(KERN_WARNING"dpti: unable to create dpt_i2o class\n");
268 adpt_sysfs_class = NULL;
271 for (pHba = hba_chain; pHba; pHba = next) {
273 if (adpt_scsi_host_alloc(pHba, sht) < 0){
274 adpt_i2o_delete_hba(pHba);
277 pHba->initialized = TRUE;
278 pHba->state &= ~DPTI_STATE_RESET;
279 if (adpt_sysfs_class) {
280 struct device *dev = device_create(adpt_sysfs_class,
281 NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL,
282 "dpti%d", pHba->unit);
284 printk(KERN_WARNING"dpti%d: unable to "
285 "create device in dpt_i2o class\n",
291 // Register our control device node
292 // nodes will need to be created in /dev to access this
293 // the nodes can not be created from within the driver
294 if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) {
295 adpt_i2o_sys_shutdown();
303 * scsi_unregister will be called AFTER we return.
305 static int adpt_release(struct Scsi_Host *host)
307 adpt_hba* pHba = (adpt_hba*) host->hostdata[0];
308 // adpt_i2o_quiesce_hba(pHba);
309 adpt_i2o_delete_hba(pHba);
310 scsi_unregister(host);
315 static void adpt_inquiry(adpt_hba* pHba)
329 memset(msg, 0, sizeof(msg));
330 buf = dma_alloc_coherent(&pHba->pDev->dev, 80, &addr, GFP_KERNEL);
332 printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name);
335 memset((void*)buf, 0, 36);
338 direction = 0x00000000;
339 scsidir =0x40000000; // DATA IN (iop<--dev)
342 reqlen = 17; // SINGLE SGE, 64 bit
344 reqlen = 14; // SINGLE SGE, 32 bit
345 /* Stick the headers on */
346 msg[0] = reqlen<<16 | SGL_OFFSET_12;
347 msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID);
350 // Adaptec/DPT Private stuff
351 msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16;
352 msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/;
353 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
354 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
355 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
356 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
357 msg[6] = scsidir|0x20a00000| 6 /* cmd len*/;
361 memset(scb, 0, sizeof(scb));
362 // Write SCSI command into the message - always 16 byte block
369 // Don't care about the rest of scb
371 memcpy(mptr, scb, sizeof(scb));
373 lenptr=mptr++; /* Remember me - fill in when we know */
375 /* Now fill in the SGList and command */
377 if (dpt_dma64(pHba)) {
378 *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
379 *mptr++ = 1 << PAGE_SHIFT;
380 *mptr++ = 0xD0000000|direction|len;
381 *mptr++ = dma_low(addr);
382 *mptr++ = dma_high(addr);
384 *mptr++ = 0xD0000000|direction|len;
388 // Send it on it's way
389 rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120);
391 sprintf(pHba->detail, "Adaptec I2O RAID");
392 printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode);
393 if (rcode != -ETIME && rcode != -EINTR)
394 dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
396 memset(pHba->detail, 0, sizeof(pHba->detail));
397 memcpy(&(pHba->detail), "Vendor: Adaptec ", 16);
398 memcpy(&(pHba->detail[16]), " Model: ", 8);
399 memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16);
400 memcpy(&(pHba->detail[40]), " FW: ", 4);
401 memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4);
402 pHba->detail[48] = '\0'; /* precautionary */
403 dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
405 adpt_i2o_status_get(pHba);
410 static int adpt_slave_configure(struct scsi_device * device)
412 struct Scsi_Host *host = device->host;
415 pHba = (adpt_hba *) host->hostdata[0];
417 if (host->can_queue && device->tagged_supported) {
418 scsi_change_queue_depth(device,
419 host->can_queue - 1);
424 static int adpt_queue_lck(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *))
426 adpt_hba* pHba = NULL;
427 struct adpt_device* pDev = NULL; /* dpt per device information */
429 cmd->scsi_done = done;
431 * SCSI REQUEST_SENSE commands will be executed automatically by the
432 * Host Adapter for any errors, so they should not be executed
433 * explicitly unless the Sense Data is zero indicating that no error
437 if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) {
438 cmd->result = (DID_OK << 16);
443 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
449 if ((pHba->state) & DPTI_STATE_RESET)
450 return SCSI_MLQUEUE_HOST_BUSY;
452 // TODO if the cmd->device if offline then I may need to issue a bus rescan
453 // followed by a get_lct to see if the device is there anymore
454 if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) {
456 * First command request for this device. Set up a pointer
457 * to the device structure. This should be a TEST_UNIT_READY
458 * command from scan_scsis_single.
460 if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun)) == NULL) {
461 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
462 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
463 cmd->result = (DID_NO_CONNECT << 16);
467 cmd->device->hostdata = pDev;
469 pDev->pScsi_dev = cmd->device;
472 * If we are being called from when the device is being reset,
473 * delay processing of the command until later.
475 if (pDev->state & DPTI_DEV_RESET ) {
478 return adpt_scsi_to_i2o(pHba, cmd, pDev);
481 static DEF_SCSI_QCMD(adpt_queue)
483 static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev,
484 sector_t capacity, int geom[])
490 // *** First lets set the default geometry ****
492 // If the capacity is less than ox2000
493 if (capacity < 0x2000 ) { // floppy
497 // else if between 0x2000 and 0x20000
498 else if (capacity < 0x20000) {
502 // else if between 0x20000 and 0x40000
503 else if (capacity < 0x40000) {
507 // else if between 0x4000 and 0x80000
508 else if (capacity < 0x80000) {
512 // else if greater than 0x80000
517 cylinders = sector_div(capacity, heads * sectors);
519 // Special case if CDROM
520 if(sdev->type == 5) { // CDROM
530 PDEBUG("adpt_bios_param: exit\n");
535 static const char *adpt_info(struct Scsi_Host *host)
539 pHba = (adpt_hba *) host->hostdata[0];
540 return (char *) (pHba->detail);
543 static int adpt_show_info(struct seq_file *m, struct Scsi_Host *host)
545 struct adpt_device* d;
551 // Find HBA (host bus adapter) we are looking for
552 mutex_lock(&adpt_configuration_lock);
553 for (pHba = hba_chain; pHba; pHba = pHba->next) {
554 if (pHba->host == host) {
555 break; /* found adapter */
558 mutex_unlock(&adpt_configuration_lock);
564 seq_printf(m, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION);
565 seq_printf(m, "%s\n", pHba->detail);
566 seq_printf(m, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
567 pHba->host->host_no, pHba->name, host->irq);
568 seq_printf(m, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
569 host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize);
571 seq_printf(m, "Devices:\n");
572 for(chan = 0; chan < MAX_CHANNEL; chan++) {
573 for(id = 0; id < MAX_ID; id++) {
574 d = pHba->channel[chan].device[id];
576 seq_printf(m,"\t%-24.24s", d->pScsi_dev->vendor);
577 seq_printf(m," Rev: %-8.8s\n", d->pScsi_dev->rev);
579 unit = d->pI2o_dev->lct_data.tid;
580 seq_printf(m, "\tTID=%d, (Channel=%d, Target=%d, Lun=%llu) (%s)\n\n",
581 unit, (int)d->scsi_channel, (int)d->scsi_id, d->scsi_lun,
582 scsi_device_online(d->pScsi_dev)? "online":"offline");
591 * Turn a struct scsi_cmnd * into a unique 32 bit 'context'.
593 static u32 adpt_cmd_to_context(struct scsi_cmnd *cmd)
595 return (u32)cmd->serial_number;
599 * Go from a u32 'context' to a struct scsi_cmnd * .
600 * This could probably be made more efficient.
602 static struct scsi_cmnd *
603 adpt_cmd_from_context(adpt_hba * pHba, u32 context)
605 struct scsi_cmnd * cmd;
606 struct scsi_device * d;
611 spin_unlock(pHba->host->host_lock);
612 shost_for_each_device(d, pHba->host) {
614 spin_lock_irqsave(&d->list_lock, flags);
615 list_for_each_entry(cmd, &d->cmd_list, list) {
616 if (((u32)cmd->serial_number == context)) {
617 spin_unlock_irqrestore(&d->list_lock, flags);
619 spin_lock(pHba->host->host_lock);
623 spin_unlock_irqrestore(&d->list_lock, flags);
625 spin_lock(pHba->host->host_lock);
631 * Turn a pointer to ioctl reply data into an u32 'context'
633 static u32 adpt_ioctl_to_context(adpt_hba * pHba, void *reply)
635 #if BITS_PER_LONG == 32
636 return (u32)(unsigned long)reply;
641 spin_lock_irqsave(pHba->host->host_lock, flags);
642 nr = ARRAY_SIZE(pHba->ioctl_reply_context);
643 for (i = 0; i < nr; i++) {
644 if (pHba->ioctl_reply_context[i] == NULL) {
645 pHba->ioctl_reply_context[i] = reply;
649 spin_unlock_irqrestore(pHba->host->host_lock, flags);
652 printk(KERN_WARNING"%s: Too many outstanding "
653 "ioctl commands\n", pHba->name);
662 * Go from an u32 'context' to a pointer to ioctl reply data.
664 static void *adpt_ioctl_from_context(adpt_hba *pHba, u32 context)
666 #if BITS_PER_LONG == 32
667 return (void *)(unsigned long)context;
669 void *p = pHba->ioctl_reply_context[context];
670 pHba->ioctl_reply_context[context] = NULL;
676 /*===========================================================================
677 * Error Handling routines
678 *===========================================================================
681 static int adpt_abort(struct scsi_cmnd * cmd)
683 adpt_hba* pHba = NULL; /* host bus adapter structure */
684 struct adpt_device* dptdevice; /* dpt per device information */
688 if(cmd->serial_number == 0){
691 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
692 printk(KERN_INFO"%s: Trying to Abort\n",pHba->name);
693 if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) {
694 printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name);
698 memset(msg, 0, sizeof(msg));
699 msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0;
700 msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid;
703 msg[4] = adpt_cmd_to_context(cmd);
705 spin_lock_irq(pHba->host->host_lock);
706 rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER);
708 spin_unlock_irq(pHba->host->host_lock);
710 if(rcode == -EOPNOTSUPP ){
711 printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
714 printk(KERN_INFO"%s: Abort failed.\n",pHba->name);
717 printk(KERN_INFO"%s: Abort complete.\n",pHba->name);
722 #define I2O_DEVICE_RESET 0x27
723 // This is the same for BLK and SCSI devices
724 // NOTE this is wrong in the i2o.h definitions
725 // This is not currently supported by our adapter but we issue it anyway
726 static int adpt_device_reset(struct scsi_cmnd* cmd)
732 struct adpt_device* d = cmd->device->hostdata;
734 pHba = (void*) cmd->device->host->hostdata[0];
735 printk(KERN_INFO"%s: Trying to reset device\n",pHba->name);
737 printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name);
740 memset(msg, 0, sizeof(msg));
741 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
742 msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid);
747 spin_lock_irq(pHba->host->host_lock);
748 old_state = d->state;
749 d->state |= DPTI_DEV_RESET;
750 rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
751 d->state = old_state;
753 spin_unlock_irq(pHba->host->host_lock);
755 if(rcode == -EOPNOTSUPP ){
756 printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
759 printk(KERN_INFO"%s: Device reset failed\n",pHba->name);
762 printk(KERN_INFO"%s: Device reset successful\n",pHba->name);
768 #define I2O_HBA_BUS_RESET 0x87
769 // This version of bus reset is called by the eh_error handler
770 static int adpt_bus_reset(struct scsi_cmnd* cmd)
776 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
777 memset(msg, 0, sizeof(msg));
778 printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid );
779 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
780 msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid);
784 spin_lock_irq(pHba->host->host_lock);
785 rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
787 spin_unlock_irq(pHba->host->host_lock);
789 printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name);
792 printk(KERN_WARNING"%s: Bus reset success.\n",pHba->name);
797 // This version of reset is called by the eh_error_handler
798 static int __adpt_reset(struct scsi_cmnd* cmd)
802 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
803 printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n",pHba->name,cmd->device->channel,pHba->channel[cmd->device->channel].tid );
804 rcode = adpt_hba_reset(pHba);
806 printk(KERN_WARNING"%s: HBA reset complete\n",pHba->name);
809 printk(KERN_WARNING"%s: HBA reset failed (%x)\n",pHba->name, rcode);
814 static int adpt_reset(struct scsi_cmnd* cmd)
818 spin_lock_irq(cmd->device->host->host_lock);
819 rc = __adpt_reset(cmd);
820 spin_unlock_irq(cmd->device->host->host_lock);
825 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
826 static int adpt_hba_reset(adpt_hba* pHba)
830 pHba->state |= DPTI_STATE_RESET;
832 // Activate does get status , init outbound, and get hrt
833 if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) {
834 printk(KERN_ERR "%s: Could not activate\n", pHba->name);
835 adpt_i2o_delete_hba(pHba);
839 if ((rcode=adpt_i2o_build_sys_table()) < 0) {
840 adpt_i2o_delete_hba(pHba);
843 PDEBUG("%s: in HOLD state\n",pHba->name);
845 if ((rcode=adpt_i2o_online_hba(pHba)) < 0) {
846 adpt_i2o_delete_hba(pHba);
849 PDEBUG("%s: in OPERATIONAL state\n",pHba->name);
851 if ((rcode=adpt_i2o_lct_get(pHba)) < 0){
852 adpt_i2o_delete_hba(pHba);
856 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){
857 adpt_i2o_delete_hba(pHba);
860 pHba->state &= ~DPTI_STATE_RESET;
862 adpt_fail_posted_scbs(pHba);
863 return 0; /* return success */
866 /*===========================================================================
868 *===========================================================================
872 static void adpt_i2o_sys_shutdown(void)
874 adpt_hba *pHba, *pNext;
875 struct adpt_i2o_post_wait_data *p1, *old;
877 printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n");
878 printk(KERN_INFO" This could take a few minutes if there are many devices attached\n");
879 /* Delete all IOPs from the controller chain */
880 /* They should have already been released by the
883 for (pHba = hba_chain; pHba; pHba = pNext) {
885 adpt_i2o_delete_hba(pHba);
888 /* Remove any timedout entries from the wait queue. */
889 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
890 /* Nothing should be outstanding at this point so just
893 for(p1 = adpt_post_wait_queue; p1;) {
898 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
899 adpt_post_wait_queue = NULL;
901 printk(KERN_INFO "Adaptec I2O controllers down.\n");
904 static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev)
907 adpt_hba* pHba = NULL;
909 ulong base_addr0_phys = 0;
910 ulong base_addr1_phys = 0;
911 u32 hba_map0_area_size = 0;
912 u32 hba_map1_area_size = 0;
913 void __iomem *base_addr_virt = NULL;
914 void __iomem *msg_addr_virt = NULL;
917 int raptorFlag = FALSE;
919 if(pci_enable_device(pDev)) {
923 if (pci_request_regions(pDev, "dpt_i2o")) {
924 PERROR("dpti: adpt_config_hba: pci request region failed\n");
928 pci_set_master(pDev);
931 * See if we should enable dma64 mode.
933 if (sizeof(dma_addr_t) > 4 &&
934 pci_set_dma_mask(pDev, DMA_BIT_MASK(64)) == 0) {
935 if (dma_get_required_mask(&pDev->dev) > DMA_BIT_MASK(32))
938 if (!dma64 && pci_set_dma_mask(pDev, DMA_BIT_MASK(32)) != 0)
941 /* adapter only supports message blocks below 4GB */
942 pci_set_consistent_dma_mask(pDev, DMA_BIT_MASK(32));
944 base_addr0_phys = pci_resource_start(pDev,0);
945 hba_map0_area_size = pci_resource_len(pDev,0);
947 // Check if standard PCI card or single BAR Raptor
948 if(pDev->device == PCI_DPT_DEVICE_ID){
949 if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){
950 // Raptor card with this device id needs 4M
951 hba_map0_area_size = 0x400000;
952 } else { // Not Raptor - it is a PCI card
953 if(hba_map0_area_size > 0x100000 ){
954 hba_map0_area_size = 0x100000;
957 } else {// Raptor split BAR config
958 // Use BAR1 in this configuration
959 base_addr1_phys = pci_resource_start(pDev,1);
960 hba_map1_area_size = pci_resource_len(pDev,1);
964 #if BITS_PER_LONG == 64
966 * The original Adaptec 64 bit driver has this comment here:
967 * "x86_64 machines need more optimal mappings"
969 * I assume some HBAs report ridiculously large mappings
970 * and we need to limit them on platforms with IOMMUs.
972 if (raptorFlag == TRUE) {
973 if (hba_map0_area_size > 128)
974 hba_map0_area_size = 128;
975 if (hba_map1_area_size > 524288)
976 hba_map1_area_size = 524288;
978 if (hba_map0_area_size > 524288)
979 hba_map0_area_size = 524288;
983 base_addr_virt = ioremap(base_addr0_phys,hba_map0_area_size);
984 if (!base_addr_virt) {
985 pci_release_regions(pDev);
986 PERROR("dpti: adpt_config_hba: io remap failed\n");
990 if(raptorFlag == TRUE) {
991 msg_addr_virt = ioremap(base_addr1_phys, hba_map1_area_size );
992 if (!msg_addr_virt) {
993 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
994 iounmap(base_addr_virt);
995 pci_release_regions(pDev);
999 msg_addr_virt = base_addr_virt;
1002 // Allocate and zero the data structure
1003 pHba = kzalloc(sizeof(adpt_hba), GFP_KERNEL);
1005 if (msg_addr_virt != base_addr_virt)
1006 iounmap(msg_addr_virt);
1007 iounmap(base_addr_virt);
1008 pci_release_regions(pDev);
1012 mutex_lock(&adpt_configuration_lock);
1014 if(hba_chain != NULL){
1015 for(p = hba_chain; p->next; p = p->next);
1021 pHba->unit = hba_count;
1022 sprintf(pHba->name, "dpti%d", hba_count);
1025 mutex_unlock(&adpt_configuration_lock);
1028 pHba->base_addr_phys = base_addr0_phys;
1030 // Set up the Virtual Base Address of the I2O Device
1031 pHba->base_addr_virt = base_addr_virt;
1032 pHba->msg_addr_virt = msg_addr_virt;
1033 pHba->irq_mask = base_addr_virt+0x30;
1034 pHba->post_port = base_addr_virt+0x40;
1035 pHba->reply_port = base_addr_virt+0x44;
1040 pHba->status_block = NULL;
1041 pHba->post_count = 0;
1042 pHba->state = DPTI_STATE_RESET;
1044 pHba->devices = NULL;
1045 pHba->dma64 = dma64;
1047 // Initializing the spinlocks
1048 spin_lock_init(&pHba->state_lock);
1049 spin_lock_init(&adpt_post_wait_lock);
1051 if(raptorFlag == 0){
1052 printk(KERN_INFO "Adaptec I2O RAID controller"
1053 " %d at %p size=%x irq=%d%s\n",
1054 hba_count-1, base_addr_virt,
1055 hba_map0_area_size, pDev->irq,
1056 dma64 ? " (64-bit DMA)" : "");
1058 printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d%s\n",
1059 hba_count-1, pDev->irq,
1060 dma64 ? " (64-bit DMA)" : "");
1061 printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size);
1062 printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size);
1065 if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) {
1066 printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq);
1067 adpt_i2o_delete_hba(pHba);
1075 static void adpt_i2o_delete_hba(adpt_hba* pHba)
1079 struct i2o_device* d;
1080 struct i2o_device* next;
1083 struct adpt_device* pDev;
1084 struct adpt_device* pNext;
1087 mutex_lock(&adpt_configuration_lock);
1088 // scsi_unregister calls our adpt_release which
1091 free_irq(pHba->host->irq, pHba);
1094 for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){
1097 p2->next = p1->next;
1099 hba_chain = p1->next;
1106 mutex_unlock(&adpt_configuration_lock);
1108 iounmap(pHba->base_addr_virt);
1109 pci_release_regions(pHba->pDev);
1110 if(pHba->msg_addr_virt != pHba->base_addr_virt){
1111 iounmap(pHba->msg_addr_virt);
1113 if(pHba->FwDebugBuffer_P)
1114 iounmap(pHba->FwDebugBuffer_P);
1116 dma_free_coherent(&pHba->pDev->dev,
1117 pHba->hrt->num_entries * pHba->hrt->entry_len << 2,
1118 pHba->hrt, pHba->hrt_pa);
1121 dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
1122 pHba->lct, pHba->lct_pa);
1124 if(pHba->status_block) {
1125 dma_free_coherent(&pHba->pDev->dev, sizeof(i2o_status_block),
1126 pHba->status_block, pHba->status_block_pa);
1128 if(pHba->reply_pool) {
1129 dma_free_coherent(&pHba->pDev->dev,
1130 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
1131 pHba->reply_pool, pHba->reply_pool_pa);
1134 for(d = pHba->devices; d ; d = next){
1138 for(i = 0 ; i < pHba->top_scsi_channel ; i++){
1139 for(j = 0; j < MAX_ID; j++){
1140 if(pHba->channel[i].device[j] != NULL){
1141 for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){
1142 pNext = pDev->next_lun;
1148 pci_dev_put(pHba->pDev);
1149 if (adpt_sysfs_class)
1150 device_destroy(adpt_sysfs_class,
1151 MKDEV(DPTI_I2O_MAJOR, pHba->unit));
1155 unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER);
1156 if (adpt_sysfs_class) {
1157 class_destroy(adpt_sysfs_class);
1158 adpt_sysfs_class = NULL;
1163 static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u64 lun)
1165 struct adpt_device* d;
1167 if(chan < 0 || chan >= MAX_CHANNEL)
1170 if( pHba->channel[chan].device == NULL){
1171 printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1175 d = pHba->channel[chan].device[id];
1176 if(!d || d->tid == 0) {
1180 /* If it is the only lun at that address then this should match*/
1181 if(d->scsi_lun == lun){
1185 /* else we need to look through all the luns */
1186 for(d=d->next_lun ; d ; d = d->next_lun){
1187 if(d->scsi_lun == lun){
1195 static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
1197 // I used my own version of the WAIT_QUEUE_HEAD
1198 // to handle some version differences
1199 // When embedded in the kernel this could go back to the vanilla one
1200 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post);
1203 struct adpt_i2o_post_wait_data *p1, *p2;
1204 struct adpt_i2o_post_wait_data *wait_data =
1205 kmalloc(sizeof(struct adpt_i2o_post_wait_data), GFP_ATOMIC);
1206 DECLARE_WAITQUEUE(wait, current);
1212 * The spin locking is needed to keep anyone from playing
1213 * with the queue pointers and id while we do the same
1215 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1216 // TODO we need a MORE unique way of getting ids
1217 // to support async LCT get
1218 wait_data->next = adpt_post_wait_queue;
1219 adpt_post_wait_queue = wait_data;
1220 adpt_post_wait_id++;
1221 adpt_post_wait_id &= 0x7fff;
1222 wait_data->id = adpt_post_wait_id;
1223 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1225 wait_data->wq = &adpt_wq_i2o_post;
1226 wait_data->status = -ETIMEDOUT;
1228 add_wait_queue(&adpt_wq_i2o_post, &wait);
1230 msg[2] |= 0x80000000 | ((u32)wait_data->id);
1232 if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){
1233 set_current_state(TASK_INTERRUPTIBLE);
1235 spin_unlock_irq(pHba->host->host_lock);
1239 timeout = schedule_timeout(timeout);
1241 // I/O issued, but cannot get result in
1242 // specified time. Freeing resorces is
1248 spin_lock_irq(pHba->host->host_lock);
1250 remove_wait_queue(&adpt_wq_i2o_post, &wait);
1252 if(status == -ETIMEDOUT){
1253 printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit);
1254 // We will have to free the wait_data memory during shutdown
1258 /* Remove the entry from the queue. */
1260 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1261 for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) {
1262 if(p1 == wait_data) {
1263 if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) {
1264 status = -EOPNOTSUPP;
1267 p2->next = p1->next;
1269 adpt_post_wait_queue = p1->next;
1274 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1282 static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len)
1285 u32 m = EMPTY_QUEUE;
1287 ulong timeout = jiffies + 30*HZ;
1290 m = readl(pHba->post_port);
1291 if (m != EMPTY_QUEUE) {
1294 if(time_after(jiffies,timeout)){
1295 printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit);
1298 schedule_timeout_uninterruptible(1);
1299 } while(m == EMPTY_QUEUE);
1301 msg = pHba->msg_addr_virt + m;
1302 memcpy_toio(msg, data, len);
1306 writel(m, pHba->post_port);
1313 static void adpt_i2o_post_wait_complete(u32 context, int status)
1315 struct adpt_i2o_post_wait_data *p1 = NULL;
1317 * We need to search through the adpt_post_wait
1318 * queue to see if the given message is still
1319 * outstanding. If not, it means that the IOP
1320 * took longer to respond to the message than we
1321 * had allowed and timer has already expired.
1322 * Not much we can do about that except log
1323 * it for debug purposes, increase timeout, and recompile
1325 * Lock needed to keep anyone from moving queue pointers
1326 * around while we're looking through them.
1331 spin_lock(&adpt_post_wait_lock);
1332 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1333 if(p1->id == context) {
1334 p1->status = status;
1335 spin_unlock(&adpt_post_wait_lock);
1336 wake_up_interruptible(p1->wq);
1340 spin_unlock(&adpt_post_wait_lock);
1341 // If this happens we lose commands that probably really completed
1342 printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context);
1343 printk(KERN_DEBUG" Tasks in wait queue:\n");
1344 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1345 printk(KERN_DEBUG" %d\n",p1->id);
1350 static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
1355 u32 m = EMPTY_QUEUE ;
1356 ulong timeout = jiffies + (TMOUT_IOPRESET*HZ);
1358 if(pHba->initialized == FALSE) { // First time reset should be quick
1359 timeout = jiffies + (25*HZ);
1361 adpt_i2o_quiesce_hba(pHba);
1366 m = readl(pHba->post_port);
1367 if (m != EMPTY_QUEUE) {
1370 if(time_after(jiffies,timeout)){
1371 printk(KERN_WARNING"Timeout waiting for message!\n");
1374 schedule_timeout_uninterruptible(1);
1375 } while (m == EMPTY_QUEUE);
1377 status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
1378 if(status == NULL) {
1379 adpt_send_nop(pHba, m);
1380 printk(KERN_ERR"IOP reset failed - no free memory.\n");
1385 msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0;
1386 msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID;
1391 msg[6]=dma_low(addr);
1392 msg[7]=dma_high(addr);
1394 memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg));
1396 writel(m, pHba->post_port);
1399 while(*status == 0){
1400 if(time_after(jiffies,timeout)){
1401 printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name);
1402 /* We lose 4 bytes of "status" here, but we cannot
1403 free these because controller may awake and corrupt
1404 those bytes at any time */
1405 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1409 schedule_timeout_uninterruptible(1);
1412 if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1413 PDEBUG("%s: Reset in progress...\n", pHba->name);
1414 // Here we wait for message frame to become available
1415 // indicated that reset has finished
1418 m = readl(pHba->post_port);
1419 if (m != EMPTY_QUEUE) {
1422 if(time_after(jiffies,timeout)){
1423 printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name);
1424 /* We lose 4 bytes of "status" here, but we
1425 cannot free these because controller may
1426 awake and corrupt those bytes at any time */
1427 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1430 schedule_timeout_uninterruptible(1);
1431 } while (m == EMPTY_QUEUE);
1433 adpt_send_nop(pHba, m);
1435 adpt_i2o_status_get(pHba);
1436 if(*status == 0x02 ||
1437 pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
1438 printk(KERN_WARNING"%s: Reset reject, trying to clear\n",
1441 PDEBUG("%s: Reset completed.\n", pHba->name);
1444 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
1446 // This delay is to allow someone attached to the card through the debug UART to
1447 // set up the dump levels that they want before the rest of the initialization sequence
1454 static int adpt_i2o_parse_lct(adpt_hba* pHba)
1459 struct i2o_device *d;
1460 i2o_lct *lct = pHba->lct;
1464 u32 buf[10]; // larger than 7, or 8 ...
1465 struct adpt_device* pDev;
1468 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
1472 max = lct->table_size;
1476 for(i=0;i<max;i++) {
1477 if( lct->lct_entry[i].user_tid != 0xfff){
1479 * If we have hidden devices, we need to inform the upper layers about
1480 * the possible maximum id reference to handle device access when
1481 * an array is disassembled. This code has no other purpose but to
1482 * allow us future access to devices that are currently hidden
1483 * behind arrays, hotspares or have not been configured (JBOD mode).
1485 if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE &&
1486 lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL &&
1487 lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1490 tid = lct->lct_entry[i].tid;
1491 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1492 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
1495 bus_no = buf[0]>>16;
1497 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
1498 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1499 printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no);
1502 if (scsi_id >= MAX_ID){
1503 printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no);
1506 if(bus_no > pHba->top_scsi_channel){
1507 pHba->top_scsi_channel = bus_no;
1509 if(scsi_id > pHba->top_scsi_id){
1510 pHba->top_scsi_id = scsi_id;
1512 if(scsi_lun > pHba->top_scsi_lun){
1513 pHba->top_scsi_lun = scsi_lun;
1517 d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
1520 printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name);
1524 d->controller = pHba;
1527 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
1530 tid = d->lct_data.tid;
1531 adpt_i2o_report_hba_unit(pHba, d);
1532 adpt_i2o_install_device(pHba, d);
1535 for(d = pHba->devices; d ; d = d->next) {
1536 if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT ||
1537 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){
1538 tid = d->lct_data.tid;
1539 // TODO get the bus_no from hrt-but for now they are in order
1541 if(bus_no > pHba->top_scsi_channel){
1542 pHba->top_scsi_channel = bus_no;
1544 pHba->channel[bus_no].type = d->lct_data.class_id;
1545 pHba->channel[bus_no].tid = tid;
1546 if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0)
1548 pHba->channel[bus_no].scsi_id = buf[1];
1549 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]);
1551 // TODO remove - this is just until we get from hrt
1553 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1554 printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no);
1560 // Setup adpt_device table
1561 for(d = pHba->devices; d ; d = d->next) {
1562 if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
1563 d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL ||
1564 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1566 tid = d->lct_data.tid;
1568 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1569 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) {
1570 bus_no = buf[0]>>16;
1572 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
1573 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1576 if (scsi_id >= MAX_ID) {
1579 if( pHba->channel[bus_no].device[scsi_id] == NULL){
1580 pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
1584 pHba->channel[bus_no].device[scsi_id] = pDev;
1586 for( pDev = pHba->channel[bus_no].device[scsi_id];
1587 pDev->next_lun; pDev = pDev->next_lun){
1589 pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
1590 if(pDev->next_lun == NULL) {
1593 pDev = pDev->next_lun;
1596 pDev->scsi_channel = bus_no;
1597 pDev->scsi_id = scsi_id;
1598 pDev->scsi_lun = scsi_lun;
1601 pDev->type = (buf[0])&0xff;
1602 pDev->flags = (buf[0]>>8)&0xff;
1603 if(scsi_id > pHba->top_scsi_id){
1604 pHba->top_scsi_id = scsi_id;
1606 if(scsi_lun > pHba->top_scsi_lun){
1607 pHba->top_scsi_lun = scsi_lun;
1611 printk(KERN_WARNING"Could not find SCSI ID for %s\n",
1612 d->lct_data.identity_tag);
1621 * Each I2O controller has a chain of devices on it - these match
1622 * the useful parts of the LCT of the board.
1625 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
1627 mutex_lock(&adpt_configuration_lock);
1630 d->next=pHba->devices;
1632 if (pHba->devices != NULL){
1633 pHba->devices->prev=d;
1638 mutex_unlock(&adpt_configuration_lock);
1642 static int adpt_open(struct inode *inode, struct file *file)
1647 mutex_lock(&adpt_mutex);
1648 //TODO check for root access
1650 minor = iminor(inode);
1651 if (minor >= hba_count) {
1652 mutex_unlock(&adpt_mutex);
1655 mutex_lock(&adpt_configuration_lock);
1656 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1657 if (pHba->unit == minor) {
1658 break; /* found adapter */
1662 mutex_unlock(&adpt_configuration_lock);
1663 mutex_unlock(&adpt_mutex);
1667 // if(pHba->in_use){
1668 // mutex_unlock(&adpt_configuration_lock);
1673 mutex_unlock(&adpt_configuration_lock);
1674 mutex_unlock(&adpt_mutex);
1679 static int adpt_close(struct inode *inode, struct file *file)
1684 minor = iminor(inode);
1685 if (minor >= hba_count) {
1688 mutex_lock(&adpt_configuration_lock);
1689 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1690 if (pHba->unit == minor) {
1691 break; /* found adapter */
1694 mutex_unlock(&adpt_configuration_lock);
1705 static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg)
1707 u32 msg[MAX_MESSAGE_SIZE];
1711 u32 __user *user_msg = arg;
1712 u32 __user * user_reply = NULL;
1713 void *sg_list[pHba->sg_tablesize];
1723 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1724 // get user msg size in u32s
1725 if(get_user(size, &user_msg[0])){
1730 user_reply = &user_msg[size];
1731 if(size > MAX_MESSAGE_SIZE){
1734 size *= 4; // Convert to bytes
1736 /* Copy in the user's I2O command */
1737 if(copy_from_user(msg, user_msg, size)) {
1740 get_user(reply_size, &user_reply[0]);
1741 reply_size = reply_size>>16;
1742 if(reply_size > REPLY_FRAME_SIZE){
1743 reply_size = REPLY_FRAME_SIZE;
1746 reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
1748 printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name);
1751 sg_offset = (msg[0]>>4)&0xf;
1752 msg[2] = 0x40000000; // IOCTL context
1753 msg[3] = adpt_ioctl_to_context(pHba, reply);
1754 if (msg[3] == (u32)-1)
1757 memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize);
1759 // TODO add 64 bit API
1760 struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset);
1761 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1762 if (sg_count > pHba->sg_tablesize){
1763 printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count);
1768 for(i = 0; i < sg_count; i++) {
1771 if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1772 printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count);
1776 sg_size = sg[i].flag_count & 0xffffff;
1777 /* Allocate memory for the transfer */
1778 p = dma_alloc_coherent(&pHba->pDev->dev, sg_size, &addr, GFP_KERNEL);
1780 printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1781 pHba->name,sg_size,i,sg_count);
1785 sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
1786 /* Copy in the user's SG buffer if necessary */
1787 if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1788 // sg_simple_element API is 32 bit
1789 if (copy_from_user(p,(void __user *)(ulong)sg[i].addr_bus, sg_size)) {
1790 printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i);
1795 /* sg_simple_element API is 32 bit, but addr < 4GB */
1796 sg[i].addr_bus = addr;
1802 * Stop any new commands from enterring the
1803 * controller while processing the ioctl
1806 scsi_block_requests(pHba->host);
1807 spin_lock_irqsave(pHba->host->host_lock, flags);
1809 rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER);
1811 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1814 spin_unlock_irqrestore(pHba->host->host_lock, flags);
1815 scsi_unblock_requests(pHba->host);
1817 } while (rcode == -ETIMEDOUT);
1824 /* Copy back the Scatter Gather buffers back to user space */
1826 // TODO add 64 bit API
1827 struct sg_simple_element* sg;
1830 // re-acquire the original message to handle correctly the sg copy operation
1831 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1832 // get user msg size in u32s
1833 if(get_user(size, &user_msg[0])){
1839 if (size > MAX_MESSAGE_SIZE) {
1843 /* Copy in the user's I2O command */
1844 if (copy_from_user (msg, user_msg, size)) {
1848 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1850 // TODO add 64 bit API
1851 sg = (struct sg_simple_element*)(msg + sg_offset);
1852 for (j = 0; j < sg_count; j++) {
1853 /* Copy out the SG list to user's buffer if necessary */
1854 if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1855 sg_size = sg[j].flag_count & 0xffffff;
1856 // sg_simple_element API is 32 bit
1857 if (copy_to_user((void __user *)(ulong)sg[j].addr_bus,sg_list[j], sg_size)) {
1858 printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus);
1866 /* Copy back the reply to user space */
1868 // we wrote our own values for context - now restore the user supplied ones
1869 if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) {
1870 printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name);
1873 if(copy_to_user(user_reply, reply, reply_size)) {
1874 printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name);
1881 if (rcode != -ETIME && rcode != -EINTR) {
1882 struct sg_simple_element *sg =
1883 (struct sg_simple_element*) (msg +sg_offset);
1886 if(sg_list[--sg_index]) {
1887 dma_free_coherent(&pHba->pDev->dev,
1888 sg[sg_index].flag_count & 0xffffff,
1890 sg[sg_index].addr_bus);
1897 #if defined __ia64__
1898 static void adpt_ia64_info(sysInfo_S* si)
1900 // This is all the info we need for now
1901 // We will add more info as our new
1902 // managmenent utility requires it
1903 si->processorType = PROC_IA64;
1907 #if defined __sparc__
1908 static void adpt_sparc_info(sysInfo_S* si)
1910 // This is all the info we need for now
1911 // We will add more info as our new
1912 // managmenent utility requires it
1913 si->processorType = PROC_ULTRASPARC;
1916 #if defined __alpha__
1917 static void adpt_alpha_info(sysInfo_S* si)
1919 // This is all the info we need for now
1920 // We will add more info as our new
1921 // managmenent utility requires it
1922 si->processorType = PROC_ALPHA;
1926 #if defined __i386__
1927 static void adpt_i386_info(sysInfo_S* si)
1929 // This is all the info we need for now
1930 // We will add more info as our new
1931 // managmenent utility requires it
1932 switch (boot_cpu_data.x86) {
1934 si->processorType = PROC_386;
1937 si->processorType = PROC_486;
1940 si->processorType = PROC_PENTIUM;
1942 default: // Just in case
1943 si->processorType = PROC_PENTIUM;
1950 * This routine returns information about the system. This does not effect
1951 * any logic and if the info is wrong - it doesn't matter.
1954 /* Get all the info we can not get from kernel services */
1955 static int adpt_system_info(void __user *buffer)
1959 memset(&si, 0, sizeof(si));
1961 si.osType = OS_LINUX;
1962 si.osMajorVersion = 0;
1963 si.osMinorVersion = 0;
1965 si.busType = SI_PCI_BUS;
1966 si.processorFamily = DPTI_sig.dsProcessorFamily;
1968 #if defined __i386__
1969 adpt_i386_info(&si);
1970 #elif defined (__ia64__)
1971 adpt_ia64_info(&si);
1972 #elif defined(__sparc__)
1973 adpt_sparc_info(&si);
1974 #elif defined (__alpha__)
1975 adpt_alpha_info(&si);
1977 si.processorType = 0xff ;
1979 if (copy_to_user(buffer, &si, sizeof(si))){
1980 printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
1987 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
1993 void __user *argp = (void __user *)arg;
1995 minor = iminor(inode);
1996 if (minor >= DPTI_MAX_HBA){
1999 mutex_lock(&adpt_configuration_lock);
2000 for (pHba = hba_chain; pHba; pHba = pHba->next) {
2001 if (pHba->unit == minor) {
2002 break; /* found adapter */
2005 mutex_unlock(&adpt_configuration_lock);
2010 while((volatile u32) pHba->state & DPTI_STATE_RESET )
2011 schedule_timeout_uninterruptible(2);
2014 // TODO: handle 3 cases
2016 if (copy_to_user(argp, &DPTI_sig, sizeof(DPTI_sig))) {
2021 return adpt_i2o_passthru(pHba, argp);
2024 drvrHBAinfo_S HbaInfo;
2026 #define FLG_OSD_PCI_VALID 0x0001
2027 #define FLG_OSD_DMA 0x0002
2028 #define FLG_OSD_I2O 0x0004
2029 memset(&HbaInfo, 0, sizeof(HbaInfo));
2030 HbaInfo.drvrHBAnum = pHba->unit;
2031 HbaInfo.baseAddr = (ulong) pHba->base_addr_phys;
2032 HbaInfo.blinkState = adpt_read_blink_led(pHba);
2033 HbaInfo.pciBusNum = pHba->pDev->bus->number;
2034 HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn);
2035 HbaInfo.Interrupt = pHba->pDev->irq;
2036 HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O;
2037 if(copy_to_user(argp, &HbaInfo, sizeof(HbaInfo))){
2038 printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name);
2044 return adpt_system_info(argp);
2047 value = (u32)adpt_read_blink_led(pHba);
2048 if (copy_to_user(argp, &value, sizeof(value))) {
2055 spin_lock_irqsave(pHba->host->host_lock, flags);
2056 adpt_hba_reset(pHba);
2058 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2070 static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg)
2072 struct inode *inode;
2075 inode = file_inode(file);
2077 mutex_lock(&adpt_mutex);
2078 ret = adpt_ioctl(inode, file, cmd, arg);
2079 mutex_unlock(&adpt_mutex);
2084 #ifdef CONFIG_COMPAT
2085 static long compat_adpt_ioctl(struct file *file,
2086 unsigned int cmd, unsigned long arg)
2088 struct inode *inode;
2091 inode = file_inode(file);
2093 mutex_lock(&adpt_mutex);
2103 case (DPT_TARGET_BUSY & 0xFFFF):
2104 case DPT_TARGET_BUSY:
2105 ret = adpt_ioctl(inode, file, cmd, arg);
2111 mutex_unlock(&adpt_mutex);
2117 static irqreturn_t adpt_isr(int irq, void *dev_id)
2119 struct scsi_cmnd* cmd;
2120 adpt_hba* pHba = dev_id;
2122 void __iomem *reply;
2129 printk(KERN_WARNING"adpt_isr: NULL dev_id\n");
2133 spin_lock_irqsave(pHba->host->host_lock, flags);
2135 while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) {
2136 m = readl(pHba->reply_port);
2137 if(m == EMPTY_QUEUE){
2138 // Try twice then give up
2140 m = readl(pHba->reply_port);
2141 if(m == EMPTY_QUEUE){
2142 // This really should not happen
2143 printk(KERN_ERR"dpti: Could not get reply frame\n");
2147 if (pHba->reply_pool_pa <= m &&
2148 m < pHba->reply_pool_pa +
2149 (pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4)) {
2150 reply = (u8 *)pHba->reply_pool +
2151 (m - pHba->reply_pool_pa);
2153 /* Ick, we should *never* be here */
2154 printk(KERN_ERR "dpti: reply frame not from pool\n");
2155 reply = (u8 *)bus_to_virt(m);
2158 if (readl(reply) & MSG_FAIL) {
2159 u32 old_m = readl(reply+28);
2162 PDEBUG("%s: Failed message\n",pHba->name);
2163 if(old_m >= 0x100000){
2164 printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m);
2165 writel(m,pHba->reply_port);
2168 // Transaction context is 0 in failed reply frame
2169 msg = pHba->msg_addr_virt + old_m;
2170 old_context = readl(msg+12);
2171 writel(old_context, reply+12);
2172 adpt_send_nop(pHba, old_m);
2174 context = readl(reply+8);
2175 if(context & 0x40000000){ // IOCTL
2176 void *p = adpt_ioctl_from_context(pHba, readl(reply+12));
2178 memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4);
2180 // All IOCTLs will also be post wait
2182 if(context & 0x80000000){ // Post wait message
2183 status = readl(reply+16);
2185 status &= 0xffff; /* Get detail status */
2187 status = I2O_POST_WAIT_OK;
2189 if(!(context & 0x40000000)) {
2190 cmd = adpt_cmd_from_context(pHba,
2193 printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context);
2196 adpt_i2o_post_wait_complete(context, status);
2197 } else { // SCSI message
2198 cmd = adpt_cmd_from_context (pHba, readl(reply+12));
2200 scsi_dma_unmap(cmd);
2201 if(cmd->serial_number != 0) { // If not timedout
2202 adpt_i2o_to_scsi(reply, cmd);
2206 writel(m, pHba->reply_port);
2212 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2213 return IRQ_RETVAL(handled);
2216 static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* d)
2219 u32 msg[MAX_MESSAGE_SIZE];
2231 memset(msg, 0 , sizeof(msg));
2232 len = scsi_bufflen(cmd);
2233 direction = 0x00000000;
2235 scsidir = 0x00000000; // DATA NO XFER
2238 * Set SCBFlags to indicate if data is being transferred
2239 * in or out, or no data transfer
2240 * Note: Do not have to verify index is less than 0 since
2241 * cmd->cmnd[0] is an unsigned char
2243 switch(cmd->sc_data_direction){
2244 case DMA_FROM_DEVICE:
2245 scsidir =0x40000000; // DATA IN (iop<--dev)
2248 direction=0x04000000; // SGL OUT
2249 scsidir =0x80000000; // DATA OUT (iop-->dev)
2253 case DMA_BIDIRECTIONAL:
2254 scsidir =0x40000000; // DATA IN (iop<--dev)
2255 // Assume In - and continue;
2258 printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n",
2259 pHba->name, cmd->cmnd[0]);
2260 cmd->result = (DID_OK <<16) | (INITIATOR_ERROR << 8);
2261 cmd->scsi_done(cmd);
2265 // msg[0] is set later
2266 // I2O_CMD_SCSI_EXEC
2267 msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid);
2269 msg[3] = adpt_cmd_to_context(cmd); /* Want SCSI control block back */
2270 // Our cards use the transaction context as the tag for queueing
2271 // Adaptec/DPT Private stuff
2272 msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16);
2274 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2275 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2276 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2277 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2278 msg[6] = scsidir|0x20a00000|cmd->cmd_len;
2282 // Write SCSI command into the message - always 16 byte block
2283 memset(mptr, 0, 16);
2284 memcpy(mptr, cmd->cmnd, cmd->cmd_len);
2286 lenptr=mptr++; /* Remember me - fill in when we know */
2287 if (dpt_dma64(pHba)) {
2288 reqlen = 16; // SINGLE SGE
2289 *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
2290 *mptr++ = 1 << PAGE_SHIFT;
2292 reqlen = 14; // SINGLE SGE
2294 /* Now fill in the SGList and command */
2296 nseg = scsi_dma_map(cmd);
2299 struct scatterlist *sg;
2302 scsi_for_each_sg(cmd, sg, nseg, i) {
2304 *mptr++ = direction|0x10000000|sg_dma_len(sg);
2305 len+=sg_dma_len(sg);
2306 addr = sg_dma_address(sg);
2307 *mptr++ = dma_low(addr);
2308 if (dpt_dma64(pHba))
2309 *mptr++ = dma_high(addr);
2310 /* Make this an end of list */
2312 *lptr = direction|0xD0000000|sg_dma_len(sg);
2314 reqlen = mptr - msg;
2317 if(cmd->underflow && len != cmd->underflow){
2318 printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n",
2319 len, cmd->underflow);
2326 /* Stick the headers on */
2327 msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0);
2329 // Send it on it's way
2330 rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2);
2338 static s32 adpt_scsi_host_alloc(adpt_hba* pHba, struct scsi_host_template *sht)
2340 struct Scsi_Host *host;
2342 host = scsi_host_alloc(sht, sizeof(adpt_hba*));
2344 printk("%s: scsi_host_alloc returned NULL\n", pHba->name);
2347 host->hostdata[0] = (unsigned long)pHba;
2350 host->irq = pHba->pDev->irq;
2351 /* no IO ports, so don't have to set host->io_port and
2355 host->n_io_port = 0;
2356 /* see comments in scsi_host.h */
2358 host->max_lun = 256;
2359 host->max_channel = pHba->top_scsi_channel + 1;
2360 host->cmd_per_lun = 1;
2361 host->unique_id = (u32)sys_tbl_pa + pHba->unit;
2362 host->sg_tablesize = pHba->sg_tablesize;
2363 host->can_queue = pHba->post_fifo_size;
2364 host->use_cmd_list = 1;
2370 static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd)
2375 u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits
2376 // I know this would look cleaner if I just read bytes
2377 // but the model I have been using for all the rest of the
2378 // io is in 4 byte words - so I keep that model
2379 u16 detailed_status = readl(reply+16) &0xffff;
2380 dev_status = (detailed_status & 0xff);
2381 hba_status = detailed_status >> 8;
2383 // calculate resid for sg
2384 scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+20));
2386 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
2388 cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false
2390 if(!(reply_flags & MSG_FAIL)) {
2391 switch(detailed_status & I2O_SCSI_DSC_MASK) {
2392 case I2O_SCSI_DSC_SUCCESS:
2393 cmd->result = (DID_OK << 16);
2395 if (readl(reply+20) < cmd->underflow) {
2396 cmd->result = (DID_ERROR <<16);
2397 printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name);
2400 case I2O_SCSI_DSC_REQUEST_ABORTED:
2401 cmd->result = (DID_ABORT << 16);
2403 case I2O_SCSI_DSC_PATH_INVALID:
2404 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT:
2405 case I2O_SCSI_DSC_SELECTION_TIMEOUT:
2406 case I2O_SCSI_DSC_COMMAND_TIMEOUT:
2407 case I2O_SCSI_DSC_NO_ADAPTER:
2408 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE:
2409 printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%llu) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2410 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]);
2411 cmd->result = (DID_TIME_OUT << 16);
2413 case I2O_SCSI_DSC_ADAPTER_BUSY:
2414 case I2O_SCSI_DSC_BUS_BUSY:
2415 cmd->result = (DID_BUS_BUSY << 16);
2417 case I2O_SCSI_DSC_SCSI_BUS_RESET:
2418 case I2O_SCSI_DSC_BDR_MESSAGE_SENT:
2419 cmd->result = (DID_RESET << 16);
2421 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE:
2422 printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name);
2423 cmd->result = (DID_PARITY << 16);
2425 case I2O_SCSI_DSC_UNABLE_TO_ABORT:
2426 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR:
2427 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE:
2428 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED:
2429 case I2O_SCSI_DSC_AUTOSENSE_FAILED:
2430 case I2O_SCSI_DSC_DATA_OVERRUN:
2431 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE:
2432 case I2O_SCSI_DSC_SEQUENCE_FAILURE:
2433 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR:
2434 case I2O_SCSI_DSC_PROVIDE_FAILURE:
2435 case I2O_SCSI_DSC_REQUEST_TERMINATED:
2436 case I2O_SCSI_DSC_IDE_MESSAGE_SENT:
2437 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT:
2438 case I2O_SCSI_DSC_MESSAGE_RECEIVED:
2439 case I2O_SCSI_DSC_INVALID_CDB:
2440 case I2O_SCSI_DSC_LUN_INVALID:
2441 case I2O_SCSI_DSC_SCSI_TID_INVALID:
2442 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE:
2443 case I2O_SCSI_DSC_NO_NEXUS:
2444 case I2O_SCSI_DSC_CDB_RECEIVED:
2445 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED:
2446 case I2O_SCSI_DSC_QUEUE_FROZEN:
2447 case I2O_SCSI_DSC_REQUEST_INVALID:
2449 printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2450 pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2451 hba_status, dev_status, cmd->cmnd[0]);
2452 cmd->result = (DID_ERROR << 16);
2456 // copy over the request sense data if it was a check
2458 if (dev_status == SAM_STAT_CHECK_CONDITION) {
2459 u32 len = min(SCSI_SENSE_BUFFERSIZE, 40);
2460 // Copy over the sense data
2461 memcpy_fromio(cmd->sense_buffer, (reply+28) , len);
2462 if(cmd->sense_buffer[0] == 0x70 /* class 7 */ &&
2463 cmd->sense_buffer[2] == DATA_PROTECT ){
2464 /* This is to handle an array failed */
2465 cmd->result = (DID_TIME_OUT << 16);
2466 printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2467 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2468 hba_status, dev_status, cmd->cmnd[0]);
2473 /* In this condtion we could not talk to the tid
2474 * the card rejected it. We should signal a retry
2475 * for a limitted number of retries.
2477 cmd->result = (DID_TIME_OUT << 16);
2478 printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%llu) tid=%d, cmd=0x%x\n",
2479 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2480 ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]);
2483 cmd->result |= (dev_status);
2485 if(cmd->scsi_done != NULL){
2486 cmd->scsi_done(cmd);
2492 static s32 adpt_rescan(adpt_hba* pHba)
2498 spin_lock_irqsave(pHba->host->host_lock, flags);
2499 if ((rcode=adpt_i2o_lct_get(pHba)) < 0)
2501 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0)
2505 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2510 static s32 adpt_i2o_reparse_lct(adpt_hba* pHba)
2515 struct i2o_device *d;
2516 i2o_lct *lct = pHba->lct;
2520 u32 buf[10]; // at least 8 u32's
2521 struct adpt_device* pDev = NULL;
2522 struct i2o_device* pI2o_dev = NULL;
2525 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
2529 max = lct->table_size;
2533 // Mark each drive as unscanned
2534 for (d = pHba->devices; d; d = d->next) {
2535 pDev =(struct adpt_device*) d->owner;
2539 pDev->state |= DPTI_DEV_UNSCANNED;
2542 printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max);
2544 for(i=0;i<max;i++) {
2545 if( lct->lct_entry[i].user_tid != 0xfff){
2549 if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
2550 lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL ||
2551 lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
2552 tid = lct->lct_entry[i].tid;
2553 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
2554 printk(KERN_ERR"%s: Could not query device\n",pHba->name);
2557 bus_no = buf[0]>>16;
2558 if (bus_no >= MAX_CHANNEL) { /* Something wrong skip it */
2560 "%s: Channel number %d out of range\n",
2561 pHba->name, bus_no);
2566 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
2567 pDev = pHba->channel[bus_no].device[scsi_id];
2570 if(pDev->scsi_lun == scsi_lun) {
2573 pDev = pDev->next_lun;
2575 if(!pDev ) { // Something new add it
2576 d = kmalloc(sizeof(struct i2o_device),
2580 printk(KERN_CRIT "Out of memory for I2O device data.\n");
2584 d->controller = pHba;
2587 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2590 adpt_i2o_report_hba_unit(pHba, d);
2591 adpt_i2o_install_device(pHba, d);
2593 pDev = pHba->channel[bus_no].device[scsi_id];
2596 kzalloc(sizeof(struct adpt_device),
2601 pHba->channel[bus_no].device[scsi_id] = pDev;
2603 while (pDev->next_lun) {
2604 pDev = pDev->next_lun;
2606 pDev = pDev->next_lun =
2607 kzalloc(sizeof(struct adpt_device),
2613 pDev->tid = d->lct_data.tid;
2614 pDev->scsi_channel = bus_no;
2615 pDev->scsi_id = scsi_id;
2616 pDev->scsi_lun = scsi_lun;
2619 pDev->type = (buf[0])&0xff;
2620 pDev->flags = (buf[0]>>8)&0xff;
2621 // Too late, SCSI system has made up it's mind, but what the hey ...
2622 if(scsi_id > pHba->top_scsi_id){
2623 pHba->top_scsi_id = scsi_id;
2625 if(scsi_lun > pHba->top_scsi_lun){
2626 pHba->top_scsi_lun = scsi_lun;
2629 } // end of new i2o device
2631 // We found an old device - check it
2633 if(pDev->scsi_lun == scsi_lun) {
2634 if(!scsi_device_online(pDev->pScsi_dev)) {
2635 printk(KERN_WARNING"%s: Setting device (%d,%d,%llu) back online\n",
2636 pHba->name,bus_no,scsi_id,scsi_lun);
2637 if (pDev->pScsi_dev) {
2638 scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING);
2642 if(d->lct_data.tid != tid) { // something changed
2644 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2645 if (pDev->pScsi_dev) {
2646 pDev->pScsi_dev->changed = TRUE;
2647 pDev->pScsi_dev->removable = TRUE;
2650 // Found it - mark it scanned
2651 pDev->state = DPTI_DEV_ONLINE;
2654 pDev = pDev->next_lun;
2658 for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) {
2659 pDev =(struct adpt_device*) pI2o_dev->owner;
2663 // Drive offline drives that previously existed but could not be found
2665 if (pDev->state & DPTI_DEV_UNSCANNED){
2666 pDev->state = DPTI_DEV_OFFLINE;
2667 printk(KERN_WARNING"%s: Device (%d,%d,%llu) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun);
2668 if (pDev->pScsi_dev) {
2669 scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE);
2676 static void adpt_fail_posted_scbs(adpt_hba* pHba)
2678 struct scsi_cmnd* cmd = NULL;
2679 struct scsi_device* d = NULL;
2681 shost_for_each_device(d, pHba->host) {
2682 unsigned long flags;
2683 spin_lock_irqsave(&d->list_lock, flags);
2684 list_for_each_entry(cmd, &d->cmd_list, list) {
2685 if(cmd->serial_number == 0){
2688 cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1);
2689 cmd->scsi_done(cmd);
2691 spin_unlock_irqrestore(&d->list_lock, flags);
2696 /*============================================================================
2697 * Routines from i2o subsystem
2698 *============================================================================
2704 * Bring an I2O controller into HOLD state. See the spec.
2706 static int adpt_i2o_activate_hba(adpt_hba* pHba)
2710 if(pHba->initialized ) {
2711 if (adpt_i2o_status_get(pHba) < 0) {
2712 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2713 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2716 if (adpt_i2o_status_get(pHba) < 0) {
2717 printk(KERN_INFO "HBA not responding.\n");
2722 if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) {
2723 printk(KERN_CRIT "%s: hardware fault\n", pHba->name);
2727 if (pHba->status_block->iop_state == ADAPTER_STATE_READY ||
2728 pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL ||
2729 pHba->status_block->iop_state == ADAPTER_STATE_HOLD ||
2730 pHba->status_block->iop_state == ADAPTER_STATE_FAILED) {
2731 adpt_i2o_reset_hba(pHba);
2732 if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
2733 printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name);
2738 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2739 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2745 if (adpt_i2o_init_outbound_q(pHba) < 0) {
2751 if (adpt_i2o_hrt_get(pHba) < 0) {
2759 * Bring a controller online into OPERATIONAL state.
2762 static int adpt_i2o_online_hba(adpt_hba* pHba)
2764 if (adpt_i2o_systab_send(pHba) < 0) {
2765 adpt_i2o_delete_hba(pHba);
2768 /* In READY state */
2770 if (adpt_i2o_enable_hba(pHba) < 0) {
2771 adpt_i2o_delete_hba(pHba);
2775 /* In OPERATIONAL state */
2779 static s32 adpt_send_nop(adpt_hba*pHba,u32 m)
2782 ulong timeout = jiffies + 5*HZ;
2784 while(m == EMPTY_QUEUE){
2786 m = readl(pHba->post_port);
2787 if(m != EMPTY_QUEUE){
2790 if(time_after(jiffies,timeout)){
2791 printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name);
2794 schedule_timeout_uninterruptible(1);
2796 msg = (u32 __iomem *)(pHba->msg_addr_virt + m);
2797 writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]);
2798 writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]);
2802 writel(m, pHba->post_port);
2807 static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
2811 u32 __iomem *msg = NULL;
2813 ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ;
2818 m = readl(pHba->post_port);
2819 if (m != EMPTY_QUEUE) {
2823 if(time_after(jiffies,timeout)){
2824 printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name);
2827 schedule_timeout_uninterruptible(1);
2828 } while(m == EMPTY_QUEUE);
2830 msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
2832 status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
2834 adpt_send_nop(pHba, m);
2835 printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n",
2839 memset(status, 0, 4);
2841 writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]);
2842 writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]);
2844 writel(0x0106, &msg[3]); /* Transaction context */
2845 writel(4096, &msg[4]); /* Host page frame size */
2846 writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */
2847 writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */
2848 writel((u32)addr, &msg[7]);
2850 writel(m, pHba->post_port);
2853 // Wait for the reply status to come back
2856 if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2861 if(time_after(jiffies,timeout)){
2862 printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name);
2863 /* We lose 4 bytes of "status" here, but we
2864 cannot free these because controller may
2865 awake and corrupt those bytes at any time */
2866 /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
2869 schedule_timeout_uninterruptible(1);
2872 // If the command was successful, fill the fifo with our reply
2874 if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2875 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
2878 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
2880 if(pHba->reply_pool != NULL) {
2881 dma_free_coherent(&pHba->pDev->dev,
2882 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
2883 pHba->reply_pool, pHba->reply_pool_pa);
2886 pHba->reply_pool = dma_alloc_coherent(&pHba->pDev->dev,
2887 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
2888 &pHba->reply_pool_pa, GFP_KERNEL);
2889 if (!pHba->reply_pool) {
2890 printk(KERN_ERR "%s: Could not allocate reply pool\n", pHba->name);
2893 memset(pHba->reply_pool, 0 , pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4);
2895 for(i = 0; i < pHba->reply_fifo_size; i++) {
2896 writel(pHba->reply_pool_pa + (i * REPLY_FRAME_SIZE * 4),
2900 adpt_i2o_status_get(pHba);
2906 * I2O System Table. Contains information about
2907 * all the IOPs in the system. Used to inform IOPs
2908 * about each other's existence.
2910 * sys_tbl_ver is the CurrentChangeIndicator that is
2911 * used by IOPs to track changes.
2916 static s32 adpt_i2o_status_get(adpt_hba* pHba)
2921 u8 *status_block=NULL;
2923 if(pHba->status_block == NULL) {
2924 pHba->status_block = dma_alloc_coherent(&pHba->pDev->dev,
2925 sizeof(i2o_status_block),
2926 &pHba->status_block_pa, GFP_KERNEL);
2927 if(pHba->status_block == NULL) {
2929 "dpti%d: Get Status Block failed; Out of memory. \n",
2934 memset(pHba->status_block, 0, sizeof(i2o_status_block));
2935 status_block = (u8*)(pHba->status_block);
2936 timeout = jiffies+TMOUT_GETSTATUS*HZ;
2939 m = readl(pHba->post_port);
2940 if (m != EMPTY_QUEUE) {
2943 if(time_after(jiffies,timeout)){
2944 printk(KERN_ERR "%s: Timeout waiting for message !\n",
2948 schedule_timeout_uninterruptible(1);
2949 } while(m==EMPTY_QUEUE);
2952 msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
2954 writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]);
2955 writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]);
2960 writel( dma_low(pHba->status_block_pa), &msg[6]);
2961 writel( dma_high(pHba->status_block_pa), &msg[7]);
2962 writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes
2965 writel(m, pHba->post_port);
2968 while(status_block[87]!=0xff){
2969 if(time_after(jiffies,timeout)){
2970 printk(KERN_ERR"dpti%d: Get status timeout.\n",
2975 schedule_timeout_uninterruptible(1);
2978 // Set up our number of outbound and inbound messages
2979 pHba->post_fifo_size = pHba->status_block->max_inbound_frames;
2980 if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) {
2981 pHba->post_fifo_size = MAX_TO_IOP_MESSAGES;
2984 pHba->reply_fifo_size = pHba->status_block->max_outbound_frames;
2985 if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) {
2986 pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES;
2989 // Calculate the Scatter Gather list size
2990 if (dpt_dma64(pHba)) {
2992 = ((pHba->status_block->inbound_frame_size * 4
2994 / (sizeof(struct sg_simple_element) + sizeof(u32)));
2997 = ((pHba->status_block->inbound_frame_size * 4
2999 / sizeof(struct sg_simple_element));
3001 if (pHba->sg_tablesize > SG_LIST_ELEMENTS) {
3002 pHba->sg_tablesize = SG_LIST_ELEMENTS;
3007 printk("dpti%d: State = ",pHba->unit);
3008 switch(pHba->status_block->iop_state) {
3022 printk("OPERATIONAL\n");
3028 printk("FAULTED\n");
3031 printk("%x (unknown!!)\n",pHba->status_block->iop_state);
3038 * Get the IOP's Logical Configuration Table
3040 static int adpt_i2o_lct_get(adpt_hba* pHba)
3046 if ((pHba->lct_size == 0) || (pHba->lct == NULL)){
3047 pHba->lct_size = pHba->status_block->expected_lct_size;
3050 if (pHba->lct == NULL) {
3051 pHba->lct = dma_alloc_coherent(&pHba->pDev->dev,
3052 pHba->lct_size, &pHba->lct_pa,
3054 if(pHba->lct == NULL) {
3055 printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n",
3060 memset(pHba->lct, 0, pHba->lct_size);
3062 msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6;
3063 msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID;
3066 msg[4] = 0xFFFFFFFF; /* All devices */
3067 msg[5] = 0x00000000; /* Report now */
3068 msg[6] = 0xD0000000|pHba->lct_size;
3069 msg[7] = (u32)pHba->lct_pa;
3071 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) {
3072 printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n",
3074 printk(KERN_ERR"Adaptec: Error Reading Hardware.\n");
3078 if ((pHba->lct->table_size << 2) > pHba->lct_size) {
3079 pHba->lct_size = pHba->lct->table_size << 2;
3080 dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
3081 pHba->lct, pHba->lct_pa);
3084 } while (pHba->lct == NULL);
3086 PDEBUG("%s: Hardware resource table read.\n", pHba->name);
3089 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
3090 if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) {
3091 pHba->FwDebugBufferSize = buf[1];
3092 pHba->FwDebugBuffer_P = ioremap(pHba->base_addr_phys + buf[0],
3093 pHba->FwDebugBufferSize);
3094 if (pHba->FwDebugBuffer_P) {
3095 pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P +
3096 FW_DEBUG_FLAGS_OFFSET;
3097 pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P +
3098 FW_DEBUG_BLED_OFFSET;
3099 pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1;
3100 pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P +
3101 FW_DEBUG_STR_LENGTH_OFFSET;
3102 pHba->FwDebugBuffer_P += buf[2];
3103 pHba->FwDebugFlags = 0;
3110 static int adpt_i2o_build_sys_table(void)
3112 adpt_hba* pHba = hba_chain;
3116 dma_free_coherent(&pHba->pDev->dev, sys_tbl_len,
3117 sys_tbl, sys_tbl_pa);
3119 sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs
3120 (hba_count) * sizeof(struct i2o_sys_tbl_entry);
3122 sys_tbl = dma_alloc_coherent(&pHba->pDev->dev,
3123 sys_tbl_len, &sys_tbl_pa, GFP_KERNEL);
3125 printk(KERN_WARNING "SysTab Set failed. Out of memory.\n");
3128 memset(sys_tbl, 0, sys_tbl_len);
3130 sys_tbl->num_entries = hba_count;
3131 sys_tbl->version = I2OVERSION;
3132 sys_tbl->change_ind = sys_tbl_ind++;
3134 for(pHba = hba_chain; pHba; pHba = pHba->next) {
3136 // Get updated Status Block so we have the latest information
3137 if (adpt_i2o_status_get(pHba)) {
3138 sys_tbl->num_entries--;
3139 continue; // try next one
3142 sys_tbl->iops[count].org_id = pHba->status_block->org_id;
3143 sys_tbl->iops[count].iop_id = pHba->unit + 2;
3144 sys_tbl->iops[count].seg_num = 0;
3145 sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version;
3146 sys_tbl->iops[count].iop_state = pHba->status_block->iop_state;
3147 sys_tbl->iops[count].msg_type = pHba->status_block->msg_type;
3148 sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size;
3149 sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ??
3150 sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities;
3151 addr = pHba->base_addr_phys + 0x40;
3152 sys_tbl->iops[count].inbound_low = dma_low(addr);
3153 sys_tbl->iops[count].inbound_high = dma_high(addr);
3160 u32 *table = (u32*)sys_tbl;
3161 printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2));
3162 for(count = 0; count < (sys_tbl_len >>2); count++) {
3163 printk(KERN_INFO "sys_tbl[%d] = %0#10x\n",
3164 count, table[count]);
3174 * Dump the information block associated with a given unit (TID)
3177 static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d)
3180 int unit = d->lct_data.tid;
3182 printk(KERN_INFO "TID %3.3d ", unit);
3184 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0)
3187 printk(" Vendor: %-12.12s", buf);
3189 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0)
3192 printk(" Device: %-12.12s", buf);
3194 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0)
3197 printk(" Rev: %-12.12s\n", buf);
3200 printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id));
3201 printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class);
3202 printk(KERN_INFO "\tFlags: ");
3204 if(d->lct_data.device_flags&(1<<0))
3205 printk("C"); // ConfigDialog requested
3206 if(d->lct_data.device_flags&(1<<1))
3207 printk("U"); // Multi-user capable
3208 if(!(d->lct_data.device_flags&(1<<4)))
3209 printk("P"); // Peer service enabled!
3210 if(!(d->lct_data.device_flags&(1<<5)))
3211 printk("M"); // Mgmt service enabled!
3218 * Do i2o class name lookup
3220 static const char *adpt_i2o_get_class_name(int class)
3223 static char *i2o_class_name[] = {
3225 "Device Driver Module",
3230 "Fibre Channel Port",
3231 "Fibre Channel Device",
3235 "Floppy Controller",
3237 "Secondary Bus Port",
3238 "Peer Transport Agent",
3243 switch(class&0xFFF) {
3244 case I2O_CLASS_EXECUTIVE:
3248 case I2O_CLASS_RANDOM_BLOCK_STORAGE:
3250 case I2O_CLASS_SEQUENTIAL_STORAGE:
3256 case I2O_CLASS_FIBRE_CHANNEL_PORT:
3258 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL:
3260 case I2O_CLASS_SCSI_PERIPHERAL:
3262 case I2O_CLASS_ATE_PORT:
3264 case I2O_CLASS_ATE_PERIPHERAL:
3266 case I2O_CLASS_FLOPPY_CONTROLLER:
3268 case I2O_CLASS_FLOPPY_DEVICE:
3270 case I2O_CLASS_BUS_ADAPTER_PORT:
3272 case I2O_CLASS_PEER_TRANSPORT_AGENT:
3274 case I2O_CLASS_PEER_TRANSPORT:
3277 return i2o_class_name[idx];
3282 static s32 adpt_i2o_hrt_get(adpt_hba* pHba)
3285 int ret, size = sizeof(i2o_hrt);
3288 if (pHba->hrt == NULL) {
3289 pHba->hrt = dma_alloc_coherent(&pHba->pDev->dev,
3290 size, &pHba->hrt_pa, GFP_KERNEL);
3291 if (pHba->hrt == NULL) {
3292 printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name);
3297 msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4;
3298 msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID;
3301 msg[4]= (0xD0000000 | size); /* Simple transaction */
3302 msg[5]= (u32)pHba->hrt_pa; /* Dump it here */
3304 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) {
3305 printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret);
3309 if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) {
3310 int newsize = pHba->hrt->num_entries * pHba->hrt->entry_len << 2;
3311 dma_free_coherent(&pHba->pDev->dev, size,
3312 pHba->hrt, pHba->hrt_pa);
3316 } while(pHba->hrt == NULL);
3321 * Query one scalar group value or a whole scalar group.
3323 static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
3324 int group, int field, void *buf, int buflen)
3326 u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field };
3328 dma_addr_t opblk_pa;
3330 dma_addr_t resblk_pa;
3334 /* 8 bytes for header */
3335 resblk_va = dma_alloc_coherent(&pHba->pDev->dev,
3336 sizeof(u8) * (8 + buflen), &resblk_pa, GFP_KERNEL);
3337 if (resblk_va == NULL) {
3338 printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name);
3342 opblk_va = dma_alloc_coherent(&pHba->pDev->dev,
3343 sizeof(opblk), &opblk_pa, GFP_KERNEL);
3344 if (opblk_va == NULL) {
3345 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3346 resblk_va, resblk_pa);
3347 printk(KERN_CRIT "%s: query operatio failed; Out of memory.\n",
3351 if (field == -1) /* whole group */
3354 memcpy(opblk_va, opblk, sizeof(opblk));
3355 size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid,
3356 opblk_va, opblk_pa, sizeof(opblk),
3357 resblk_va, resblk_pa, sizeof(u8)*(8+buflen));
3358 dma_free_coherent(&pHba->pDev->dev, sizeof(opblk), opblk_va, opblk_pa);
3359 if (size == -ETIME) {
3360 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3361 resblk_va, resblk_pa);
3362 printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name);
3364 } else if (size == -EINTR) {
3365 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3366 resblk_va, resblk_pa);
3367 printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name);
3371 memcpy(buf, resblk_va+8, buflen); /* cut off header */
3373 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3374 resblk_va, resblk_pa);
3382 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3384 * This function can be used for all UtilParamsGet/Set operations.
3385 * The OperationBlock is given in opblk-buffer,
3386 * and results are returned in resblk-buffer.
3387 * Note that the minimum sized resblk is 8 bytes and contains
3388 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3390 static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
3391 void *opblk_va, dma_addr_t opblk_pa, int oplen,
3392 void *resblk_va, dma_addr_t resblk_pa, int reslen)
3395 u32 *res = (u32 *)resblk_va;
3398 msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5;
3399 msg[1] = cmd << 24 | HOST_TID << 12 | tid;
3403 msg[5] = 0x54000000 | oplen; /* OperationBlock */
3404 msg[6] = (u32)opblk_pa;
3405 msg[7] = 0xD0000000 | reslen; /* ResultBlock */
3406 msg[8] = (u32)resblk_pa;
3408 if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) {
3409 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va);
3410 return wait_status; /* -DetailedStatus */
3413 if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3414 printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3415 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3417 (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET"
3419 res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF);
3420 return -((res[1] >> 16) & 0xFF); /* -BlockStatus */
3423 return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3427 static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba)
3432 adpt_i2o_status_get(pHba);
3434 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3436 if((pHba->status_block->iop_state != ADAPTER_STATE_READY) &&
3437 (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){
3441 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3442 msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID;
3446 if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3447 printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n",
3450 printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit);
3453 adpt_i2o_status_get(pHba);
3459 * Enable IOP. Allows the IOP to resume external operations.
3461 static int adpt_i2o_enable_hba(adpt_hba* pHba)
3466 adpt_i2o_status_get(pHba);
3467 if(!pHba->status_block){
3470 /* Enable only allowed on READY state */
3471 if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL)
3474 if(pHba->status_block->iop_state != ADAPTER_STATE_READY)
3477 msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3478 msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID;
3482 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3483 printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n",
3486 PDEBUG("%s: Enabled.\n", pHba->name);
3489 adpt_i2o_status_get(pHba);
3494 static int adpt_i2o_systab_send(adpt_hba* pHba)
3499 msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6;
3500 msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID;
3503 msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */
3504 msg[5] = 0; /* Segment 0 */
3507 * Provide three SGL-elements:
3508 * System table (SysTab), Private memory space declaration and
3509 * Private i/o space declaration
3511 msg[6] = 0x54000000 | sys_tbl_len;
3512 msg[7] = (u32)sys_tbl_pa;
3513 msg[8] = 0x54000000 | 0;
3515 msg[10] = 0xD4000000 | 0;
3518 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) {
3519 printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n",
3524 PINFO("%s: SysTab set.\n", pHba->name);
3532 /*============================================================================
3534 *============================================================================
3540 static static void adpt_delay(int millisec)
3543 for (i = 0; i < millisec; i++) {
3544 udelay(1000); /* delay for one millisecond */
3550 static struct scsi_host_template driver_template = {
3551 .module = THIS_MODULE,
3553 .proc_name = "dpt_i2o",
3554 .show_info = adpt_show_info,
3556 .queuecommand = adpt_queue,
3557 .eh_abort_handler = adpt_abort,
3558 .eh_device_reset_handler = adpt_device_reset,
3559 .eh_bus_reset_handler = adpt_bus_reset,
3560 .eh_host_reset_handler = adpt_reset,
3561 .bios_param = adpt_bios_param,
3562 .slave_configure = adpt_slave_configure,
3563 .can_queue = MAX_TO_IOP_MESSAGES,
3566 .use_clustering = ENABLE_CLUSTERING,
3569 static int __init adpt_init(void)
3572 adpt_hba *pHba, *next;
3574 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
3576 error = adpt_detect(&driver_template);
3579 if (hba_chain == NULL)
3582 for (pHba = hba_chain; pHba; pHba = pHba->next) {
3583 error = scsi_add_host(pHba->host, &pHba->pDev->dev);
3586 scsi_scan_host(pHba->host);
3590 for (pHba = hba_chain; pHba; pHba = next) {
3592 scsi_remove_host(pHba->host);
3597 static void __exit adpt_exit(void)
3599 adpt_hba *pHba, *next;
3601 for (pHba = hba_chain; pHba; pHba = pHba->next)
3602 scsi_remove_host(pHba->host);
3603 for (pHba = hba_chain; pHba; pHba = next) {
3605 adpt_release(pHba->host);
3609 module_init(adpt_init);
3610 module_exit(adpt_exit);
3612 MODULE_LICENSE("GPL");