1 /***************************************************************************
5 copyright : (C) 2000 by Adaptec
6 email : deanna_bonds@adaptec.com
8 July 30, 2001 First version being submitted
9 for inclusion in the kernel. V2.4
11 See Documentation/scsi/dpti.txt for history, notes, license info
13 ***************************************************************************/
15 /***************************************************************************
17 * This program is free software; you can redistribute it and/or modify *
18 * it under the terms of the GNU General Public License as published by *
19 * the Free Software Foundation; either version 2 of the License, or *
20 * (at your option) any later version. *
22 ***************************************************************************/
23 /***************************************************************************
24 * Sat Dec 20 2003 Go Taniguchi <go@turbolinux.co.jp>
25 - Support 2.6 kernel and DMA-mapping
26 - ioctl fix for raid tools
27 - use schedule_timeout in long long loop
28 **************************************************************************/
31 /*#define UARTDELAY 1 */
33 /* On the real kernel ADDR32 should always be zero for 2.4. GFP_HIGH allocates
34 high pages. Keep the macro around because of the broken unmerged ia64 tree */
38 #include <linux/version.h>
39 #include <linux/module.h>
41 MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
42 MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
44 ////////////////////////////////////////////////////////////////
46 #include <linux/ioctl.h> /* For SCSI-Passthrough */
47 #include <asm/uaccess.h>
49 #include <linux/stat.h>
50 #include <linux/slab.h> /* for kmalloc() */
51 #include <linux/config.h> /* for CONFIG_PCI */
52 #include <linux/pci.h> /* for PCI support */
53 #include <linux/proc_fs.h>
54 #include <linux/blkdev.h>
55 #include <linux/delay.h> /* for udelay */
56 #include <linux/interrupt.h>
57 #include <linux/kernel.h> /* for printk */
58 #include <linux/sched.h>
59 #include <linux/reboot.h>
60 #include <linux/spinlock.h>
61 #include <linux/smp_lock.h>
63 #include <linux/timer.h>
64 #include <linux/string.h>
65 #include <linux/ioport.h>
67 #include <asm/processor.h> /* for boot_cpu_data */
68 #include <asm/pgtable.h>
69 #include <asm/io.h> /* for virt_to_bus, etc. */
74 #include "dpt/dptsig.h"
77 /*============================================================================
78 * Create a binary signature - this is read by dptsig
79 * Needed for our management apps
80 *============================================================================
82 static dpt_sig_S DPTI_sig = {
83 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION,
85 PROC_INTEL, PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM,
86 #elif defined(__ia64__)
87 PROC_INTEL, PROC_IA64,
88 #elif defined(__sparc__)
90 #elif defined(__alpha__)
95 FT_HBADRVR, 0, OEM_DPT, OS_LINUX, CAP_OVERLAP, DEV_ALL,
96 ADF_ALL_SC5, 0, 0, DPT_VERSION, DPT_REVISION, DPT_SUBREVISION,
97 DPT_MONTH, DPT_DAY, DPT_YEAR, "Adaptec Linux I2O RAID Driver"
103 /*============================================================================
105 *============================================================================
108 DECLARE_MUTEX(adpt_configuration_lock);
110 static struct i2o_sys_tbl *sys_tbl = NULL;
111 static int sys_tbl_ind = 0;
112 static int sys_tbl_len = 0;
114 static adpt_hba* hbas[DPTI_MAX_HBA];
115 static adpt_hba* hba_chain = NULL;
116 static int hba_count = 0;
118 static struct file_operations adpt_fops = {
121 .release = adpt_close
124 #ifdef REBOOT_NOTIFIER
125 static struct notifier_block adpt_reboot_notifier =
133 /* Structures and definitions for synchronous message posting.
134 * See adpt_i2o_post_wait() for description
136 struct adpt_i2o_post_wait_data
140 adpt_wait_queue_head_t *wq;
141 struct adpt_i2o_post_wait_data *next;
144 static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL;
145 static u32 adpt_post_wait_id = 0;
146 static spinlock_t adpt_post_wait_lock = SPIN_LOCK_UNLOCKED;
149 /*============================================================================
151 *============================================================================
154 static u8 adpt_read_blink_led(adpt_hba* host)
156 if(host->FwDebugBLEDflag_P != 0) {
157 if( readb(host->FwDebugBLEDflag_P) == 0xbc ){
158 return readb(host->FwDebugBLEDvalue_P);
164 /*============================================================================
165 * Scsi host template interface functions
166 *============================================================================
169 static struct pci_device_id dptids[] = {
170 { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
171 { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
174 MODULE_DEVICE_TABLE(pci,dptids);
176 static int adpt_detect(Scsi_Host_Template* sht)
178 struct pci_dev *pDev = NULL;
183 PINFO("Detecting Adaptec I2O RAID controllers...\n");
185 /* search for all Adatpec I2O RAID cards */
186 while ((pDev = pci_find_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
187 if(pDev->device == PCI_DPT_DEVICE_ID ||
188 pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){
189 if(adpt_install_hba(sht, pDev) ){
190 PERROR("Could not Init an I2O RAID device\n");
191 PERROR("Will not try to detect others.\n");
197 /* In INIT state, Activate IOPs */
198 for (pHba = hba_chain; pHba; pHba = pHba->next) {
199 // Activate does get status , init outbound, and get hrt
200 if (adpt_i2o_activate_hba(pHba) < 0) {
201 adpt_i2o_delete_hba(pHba);
206 /* Active IOPs in HOLD state */
209 if (hba_chain == NULL)
213 * If build_sys_table fails, we kill everything and bail
214 * as we can't init the IOPs w/o a system table
216 if (adpt_i2o_build_sys_table() < 0) {
217 adpt_i2o_sys_shutdown();
221 PDEBUG("HBA's in HOLD state\n");
223 /* If IOP don't get online, we need to rebuild the System table */
224 for (pHba = hba_chain; pHba; pHba = pHba->next) {
225 if (adpt_i2o_online_hba(pHba) < 0) {
226 adpt_i2o_delete_hba(pHba);
227 goto rebuild_sys_tab;
231 /* Active IOPs now in OPERATIONAL state */
232 PDEBUG("HBA's in OPERATIONAL state\n");
234 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
235 for (pHba = hba_chain; pHba; pHba = pHba->next) {
236 printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name);
237 if (adpt_i2o_lct_get(pHba) < 0){
238 adpt_i2o_delete_hba(pHba);
242 if (adpt_i2o_parse_lct(pHba) < 0){
243 adpt_i2o_delete_hba(pHba);
249 for (pHba = hba_chain; pHba; pHba = pHba->next) {
250 if( adpt_scsi_register(pHba,sht) < 0){
251 adpt_i2o_delete_hba(pHba);
254 pHba->initialized = TRUE;
255 pHba->state &= ~DPTI_STATE_RESET;
258 // Register our control device node
259 // nodes will need to be created in /dev to access this
260 // the nodes can not be created from within the driver
261 if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) {
262 adpt_i2o_sys_shutdown();
270 * scsi_unregister will be called AFTER we return.
272 static int adpt_release(struct Scsi_Host *host)
274 adpt_hba* pHba = (adpt_hba*) host->hostdata[0];
275 // adpt_i2o_quiesce_hba(pHba);
276 adpt_i2o_delete_hba(pHba);
277 scsi_unregister(host);
282 static void adpt_inquiry(adpt_hba* pHba)
295 memset(msg, 0, sizeof(msg));
296 buf = (u8*)kmalloc(80,GFP_KERNEL|ADDR32);
298 printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name);
301 memset((void*)buf, 0, 36);
304 direction = 0x00000000;
305 scsidir =0x40000000; // DATA IN (iop<--dev)
307 reqlen = 14; // SINGLE SGE
308 /* Stick the headers on */
309 msg[0] = reqlen<<16 | SGL_OFFSET_12;
310 msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID);
313 // Adaptec/DPT Private stuff
314 msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16;
315 msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/;
316 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
317 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
318 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
319 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
320 msg[6] = scsidir|0x20a00000| 6 /* cmd len*/;
324 memset(scb, 0, sizeof(scb));
325 // Write SCSI command into the message - always 16 byte block
332 // Don't care about the rest of scb
334 memcpy(mptr, scb, sizeof(scb));
336 lenptr=mptr++; /* Remember me - fill in when we know */
338 /* Now fill in the SGList and command */
340 *mptr++ = 0xD0000000|direction|len;
341 *mptr++ = virt_to_bus(buf);
343 // Send it on it's way
344 rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120);
346 sprintf(pHba->detail, "Adaptec I2O RAID");
347 printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode);
348 if (rcode != -ETIME && rcode != -EINTR)
351 memset(pHba->detail, 0, sizeof(pHba->detail));
352 memcpy(&(pHba->detail), "Vendor: Adaptec ", 16);
353 memcpy(&(pHba->detail[16]), " Model: ", 8);
354 memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16);
355 memcpy(&(pHba->detail[40]), " FW: ", 4);
356 memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4);
357 pHba->detail[48] = '\0'; /* precautionary */
360 adpt_i2o_status_get(pHba);
365 static int adpt_slave_configure(Scsi_Device * device)
367 struct Scsi_Host *host = device->host;
370 pHba = (adpt_hba *) host->hostdata[0];
372 if (host->can_queue && device->tagged_supported) {
373 scsi_adjust_queue_depth(device, MSG_SIMPLE_TAG,
374 host->can_queue - 1);
376 scsi_adjust_queue_depth(device, 0, 1);
381 static int adpt_queue(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
383 adpt_hba* pHba = NULL;
384 struct adpt_device* pDev = NULL; /* dpt per device information */
385 ulong timeout = jiffies + (TMOUT_SCSI*HZ);
387 cmd->scsi_done = done;
389 * SCSI REQUEST_SENSE commands will be executed automatically by the
390 * Host Adapter for any errors, so they should not be executed
391 * explicitly unless the Sense Data is zero indicating that no error
395 if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) {
396 cmd->result = (DID_OK << 16);
401 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
408 * TODO: I need to block here if I am processing ioctl cmds
409 * but if the outstanding cmds all finish before the ioctl,
410 * the scsi-core will not know to start sending cmds to me again.
411 * I need to a way to restart the scsi-cores queues or should I block
412 * calling scsi_done on the outstanding cmds instead
413 * for now we don't set the IOCTL state
415 if(((pHba->state) & DPTI_STATE_IOCTL) || ((pHba->state) & DPTI_STATE_RESET)) {
416 pHba->host->last_reset = jiffies;
417 pHba->host->resetting = 1;
421 if(cmd->eh_state != SCSI_STATE_QUEUED){
422 // If we are not doing error recovery
423 mod_timer(&cmd->eh_timeout, timeout);
426 // TODO if the cmd->device if offline then I may need to issue a bus rescan
427 // followed by a get_lct to see if the device is there anymore
428 if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) {
430 * First command request for this device. Set up a pointer
431 * to the device structure. This should be a TEST_UNIT_READY
432 * command from scan_scsis_single.
434 if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun)) == NULL) {
435 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
436 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
437 cmd->result = (DID_NO_CONNECT << 16);
441 cmd->device->hostdata = pDev;
443 pDev->pScsi_dev = cmd->device;
446 * If we are being called from when the device is being reset,
447 * delay processing of the command until later.
449 if (pDev->state & DPTI_DEV_RESET ) {
452 return adpt_scsi_to_i2o(pHba, cmd, pDev);
455 static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev,
456 sector_t capacity, int geom[])
462 // *** First lets set the default geometry ****
464 // If the capacity is less than ox2000
465 if (capacity < 0x2000 ) { // floppy
469 // else if between 0x2000 and 0x20000
470 else if (capacity < 0x20000) {
474 // else if between 0x20000 and 0x40000
475 else if (capacity < 0x40000) {
479 // else if between 0x4000 and 0x80000
480 else if (capacity < 0x80000) {
484 // else if greater than 0x80000
489 cylinders = sector_div(capacity, heads * sectors);
491 // Special case if CDROM
492 if(sdev->type == 5) { // CDROM
502 PDEBUG("adpt_bios_param: exit\n");
507 static const char *adpt_info(struct Scsi_Host *host)
511 pHba = (adpt_hba *) host->hostdata[0];
512 return (char *) (pHba->detail);
515 static int adpt_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
516 int length, int inout)
518 struct adpt_device* d;
530 * The user has done a write and wants us to take the
531 * data in the buffer and do something with it.
532 * proc_scsiwrite calls us with inout = 1
534 * Read data from buffer (writing to us) - NOT SUPPORTED
540 * inout = 0 means the user has done a read and wants information
541 * returned, so we write information about the cards into the buffer
542 * proc_scsiread() calls us with inout = 0
545 // Find HBA (host bus adapter) we are looking for
546 down(&adpt_configuration_lock);
547 for (pHba = hba_chain; pHba; pHba = pHba->next) {
548 if (pHba->host == host) {
549 break; /* found adapter */
552 up(&adpt_configuration_lock);
558 len = sprintf(buffer , "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION);
559 len += sprintf(buffer+len, "%s\n", pHba->detail);
560 len += sprintf(buffer+len, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
561 pHba->host->host_no, pHba->name, host->irq);
562 len += sprintf(buffer+len, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
563 host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize);
568 if(pos > offset + length) {
573 * If we haven't even written to where we last left
574 * off (the last time we were called), reset the
580 len += sprintf(buffer+len, "Devices:\n");
581 for(chan = 0; chan < MAX_CHANNEL; chan++) {
582 for(id = 0; id < MAX_ID; id++) {
583 d = pHba->channel[chan].device[id];
585 len += sprintf(buffer+len,"\t%-24.24s", d->pScsi_dev->vendor);
586 len += sprintf(buffer+len," Rev: %-8.8s\n", d->pScsi_dev->rev);
591 if(pos > offset + length) {
599 unit = d->pI2o_dev->lct_data.tid;
600 len += sprintf(buffer+len, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
601 unit, (int)d->scsi_channel, (int)d->scsi_id, (int)d->scsi_lun,
602 scsi_device_online(d->pScsi_dev)? "online":"offline");
606 if(pos > offset + length) {
620 * begin is where we last checked our position with regards to offset
621 * begin is always less than offset. len is relative to begin. It
622 * is the number of bytes written past begin
626 /* stop the output and calculate the correct length */
627 *(buffer + len) = '\0';
629 *start = buffer + (offset - begin); /* Start of wanted data */
630 len -= (offset - begin);
641 /*===========================================================================
642 * Error Handling routines
643 *===========================================================================
646 static int adpt_abort(Scsi_Cmnd * cmd)
648 adpt_hba* pHba = NULL; /* host bus adapter structure */
649 struct adpt_device* dptdevice; /* dpt per device information */
653 if(cmd->serial_number == 0){
656 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
657 printk(KERN_INFO"%s: Trying to Abort cmd=%ld\n",pHba->name, cmd->serial_number);
658 if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) {
659 printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name);
663 memset(msg, 0, sizeof(msg));
664 msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0;
665 msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid;
669 if( (rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER)) != 0){
670 if(rcode == -EOPNOTSUPP ){
671 printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
674 printk(KERN_INFO"%s: Abort cmd=%ld failed.\n",pHba->name, cmd->serial_number);
677 printk(KERN_INFO"%s: Abort cmd=%ld complete.\n",pHba->name, cmd->serial_number);
682 #define I2O_DEVICE_RESET 0x27
683 // This is the same for BLK and SCSI devices
684 // NOTE this is wrong in the i2o.h definitions
685 // This is not currently supported by our adapter but we issue it anyway
686 static int adpt_device_reset(Scsi_Cmnd* cmd)
692 struct adpt_device* d = (void*) cmd->device->hostdata;
694 pHba = (void*) cmd->device->host->hostdata[0];
695 printk(KERN_INFO"%s: Trying to reset device\n",pHba->name);
697 printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name);
700 memset(msg, 0, sizeof(msg));
701 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
702 msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid);
706 old_state = d->state;
707 d->state |= DPTI_DEV_RESET;
708 if( (rcode = adpt_i2o_post_wait(pHba, (void*)msg,sizeof(msg), FOREVER)) ){
709 d->state = old_state;
710 if(rcode == -EOPNOTSUPP ){
711 printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
714 printk(KERN_INFO"%s: Device reset failed\n",pHba->name);
717 d->state = old_state;
718 printk(KERN_INFO"%s: Device reset successful\n",pHba->name);
724 #define I2O_HBA_BUS_RESET 0x87
725 // This version of bus reset is called by the eh_error handler
726 static int adpt_bus_reset(Scsi_Cmnd* cmd)
731 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
732 memset(msg, 0, sizeof(msg));
733 printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid );
734 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
735 msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid);
738 if(adpt_i2o_post_wait(pHba, (void*)msg,sizeof(msg), FOREVER) ){
739 printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name);
742 printk(KERN_WARNING"%s: Bus reset success.\n",pHba->name);
747 // This version of reset is called by the eh_error_handler
748 static int adpt_reset(Scsi_Cmnd* cmd)
752 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
753 printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n",pHba->name,cmd->device->channel,pHba->channel[cmd->device->channel].tid );
754 rcode = adpt_hba_reset(pHba);
756 printk(KERN_WARNING"%s: HBA reset complete\n",pHba->name);
759 printk(KERN_WARNING"%s: HBA reset failed (%x)\n",pHba->name, rcode);
764 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
765 static int adpt_hba_reset(adpt_hba* pHba)
769 pHba->state |= DPTI_STATE_RESET;
771 // Activate does get status , init outbound, and get hrt
772 if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) {
773 printk(KERN_ERR "%s: Could not activate\n", pHba->name);
774 adpt_i2o_delete_hba(pHba);
778 if ((rcode=adpt_i2o_build_sys_table()) < 0) {
779 adpt_i2o_delete_hba(pHba);
782 PDEBUG("%s: in HOLD state\n",pHba->name);
784 if ((rcode=adpt_i2o_online_hba(pHba)) < 0) {
785 adpt_i2o_delete_hba(pHba);
788 PDEBUG("%s: in OPERATIONAL state\n",pHba->name);
790 if ((rcode=adpt_i2o_lct_get(pHba)) < 0){
791 adpt_i2o_delete_hba(pHba);
795 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){
796 adpt_i2o_delete_hba(pHba);
799 pHba->state &= ~DPTI_STATE_RESET;
801 adpt_fail_posted_scbs(pHba);
802 return 0; /* return success */
805 /*===========================================================================
807 *===========================================================================
811 static void adpt_i2o_sys_shutdown(void)
813 adpt_hba *pHba, *pNext;
814 struct adpt_i2o_post_wait_data *p1, *p2;
816 printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n");
817 printk(KERN_INFO" This could take a few minutes if there are many devices attached\n");
818 /* Delete all IOPs from the controller chain */
819 /* They should have already been released by the
822 for (pHba = hba_chain; pHba; pHba = pNext) {
824 adpt_i2o_delete_hba(pHba);
827 /* Remove any timedout entries from the wait queue. */
829 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
830 /* Nothing should be outstanding at this point so just
833 for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p2->next) {
836 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
837 adpt_post_wait_queue = 0;
839 printk(KERN_INFO "Adaptec I2O controllers down.\n");
843 * reboot/shutdown notification.
845 * - Quiesce each IOP in the system
849 #ifdef REBOOT_NOTIFIER
850 static int adpt_reboot_event(struct notifier_block *n, ulong code, void *p)
853 if(code != SYS_RESTART && code != SYS_HALT && code != SYS_POWER_OFF)
856 adpt_i2o_sys_shutdown();
863 static int adpt_install_hba(Scsi_Host_Template* sht, struct pci_dev* pDev)
866 adpt_hba* pHba = NULL;
868 ulong base_addr0_phys = 0;
869 ulong base_addr1_phys = 0;
870 u32 hba_map0_area_size = 0;
871 u32 hba_map1_area_size = 0;
872 ulong base_addr_virt = 0;
873 ulong msg_addr_virt = 0;
875 int raptorFlag = FALSE;
878 if(pci_enable_device(pDev)) {
881 pci_set_master(pDev);
882 if (pci_set_dma_mask(pDev, 0xffffffffffffffffULL) &&
883 pci_set_dma_mask(pDev, 0xffffffffULL))
886 base_addr0_phys = pci_resource_start(pDev,0);
887 hba_map0_area_size = pci_resource_len(pDev,0);
889 // Check if standard PCI card or single BAR Raptor
890 if(pDev->device == PCI_DPT_DEVICE_ID){
891 if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){
892 // Raptor card with this device id needs 4M
893 hba_map0_area_size = 0x400000;
894 } else { // Not Raptor - it is a PCI card
895 if(hba_map0_area_size > 0x100000 ){
896 hba_map0_area_size = 0x100000;
899 } else {// Raptor split BAR config
900 // Use BAR1 in this configuration
901 base_addr1_phys = pci_resource_start(pDev,1);
902 hba_map1_area_size = pci_resource_len(pDev,1);
907 base_addr_virt = (ulong)ioremap(base_addr0_phys,hba_map0_area_size);
908 if(base_addr_virt == 0) {
909 PERROR("dpti: adpt_config_hba: io remap failed\n");
913 if(raptorFlag == TRUE) {
914 msg_addr_virt = (ulong)ioremap(base_addr1_phys, hba_map1_area_size );
915 if(msg_addr_virt == 0) {
916 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
917 iounmap((void*)base_addr_virt);
921 msg_addr_virt = base_addr_virt;
924 // Allocate and zero the data structure
925 pHba = kmalloc(sizeof(adpt_hba), GFP_KERNEL);
927 if(msg_addr_virt != base_addr_virt){
928 iounmap((void*)msg_addr_virt);
930 iounmap((void*)base_addr_virt);
933 memset(pHba, 0, sizeof(adpt_hba));
935 down(&adpt_configuration_lock);
936 for(i=0;i<DPTI_MAX_HBA;i++) {
943 if(hba_chain != NULL){
944 for(p = hba_chain; p->next; p = p->next);
950 pHba->unit = hba_count;
951 sprintf(pHba->name, "dpti%d", i);
954 up(&adpt_configuration_lock);
957 pHba->base_addr_phys = base_addr0_phys;
959 // Set up the Virtual Base Address of the I2O Device
960 pHba->base_addr_virt = base_addr_virt;
961 pHba->msg_addr_virt = msg_addr_virt;
962 pHba->irq_mask = (ulong)(base_addr_virt+0x30);
963 pHba->post_port = (ulong)(base_addr_virt+0x40);
964 pHba->reply_port = (ulong)(base_addr_virt+0x44);
969 pHba->status_block = NULL;
970 pHba->post_count = 0;
971 pHba->state = DPTI_STATE_RESET;
973 pHba->devices = NULL;
975 // Initializing the spinlocks
976 spin_lock_init(&pHba->state_lock);
977 spin_lock_init(&adpt_post_wait_lock);
980 printk(KERN_INFO"Adaptec I2O RAID controller %d at %lx size=%x irq=%d\n",
981 hba_count-1, base_addr_virt, hba_map0_area_size, pDev->irq);
983 printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d\n",hba_count-1, pDev->irq);
984 printk(KERN_INFO" BAR0 %lx - size= %x\n",base_addr_virt,hba_map0_area_size);
985 printk(KERN_INFO" BAR1 %lx - size= %x\n",msg_addr_virt,hba_map1_area_size);
988 if (request_irq (pDev->irq, adpt_isr, SA_SHIRQ, pHba->name, pHba)) {
989 printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq);
990 adpt_i2o_delete_hba(pHba);
998 static void adpt_i2o_delete_hba(adpt_hba* pHba)
1002 struct i2o_device* d;
1003 struct i2o_device* next;
1006 struct adpt_device* pDev;
1007 struct adpt_device* pNext;
1010 down(&adpt_configuration_lock);
1011 // scsi_unregister calls our adpt_release which
1014 free_irq(pHba->host->irq, pHba);
1016 for(i=0;i<DPTI_MAX_HBA;i++) {
1022 for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){
1025 p2->next = p1->next;
1027 hba_chain = p1->next;
1034 up(&adpt_configuration_lock);
1036 iounmap((void*)pHba->base_addr_virt);
1037 if(pHba->msg_addr_virt != pHba->base_addr_virt){
1038 iounmap((void*)pHba->msg_addr_virt);
1046 if(pHba->status_block) {
1047 kfree(pHba->status_block);
1049 if(pHba->reply_pool){
1050 kfree(pHba->reply_pool);
1053 for(d = pHba->devices; d ; d = next){
1057 for(i = 0 ; i < pHba->top_scsi_channel ; i++){
1058 for(j = 0; j < MAX_ID; j++){
1059 if(pHba->channel[i].device[j] != NULL){
1060 for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){
1061 pNext = pDev->next_lun;
1070 unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER);
1075 static int adpt_init(void)
1079 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
1080 for (i = 0; i < DPTI_MAX_HBA; i++) {
1083 #ifdef REBOOT_NOTIFIER
1084 register_reboot_notifier(&adpt_reboot_notifier);
1091 static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun)
1093 struct adpt_device* d;
1095 if(chan < 0 || chan >= MAX_CHANNEL)
1098 if( pHba->channel[chan].device == NULL){
1099 printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1103 d = pHba->channel[chan].device[id];
1104 if(!d || d->tid == 0) {
1108 /* If it is the only lun at that address then this should match*/
1109 if(d->scsi_lun == lun){
1113 /* else we need to look through all the luns */
1114 for(d=d->next_lun ; d ; d = d->next_lun){
1115 if(d->scsi_lun == lun){
1123 static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
1125 // I used my own version of the WAIT_QUEUE_HEAD
1126 // to handle some version differences
1127 // When embedded in the kernel this could go back to the vanilla one
1128 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post);
1131 struct adpt_i2o_post_wait_data *p1, *p2;
1132 struct adpt_i2o_post_wait_data *wait_data =
1133 kmalloc(sizeof(struct adpt_i2o_post_wait_data),GFP_KERNEL);
1134 adpt_wait_queue_t wait;
1140 * The spin locking is needed to keep anyone from playing
1141 * with the queue pointers and id while we do the same
1143 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1144 // TODO we need a MORE unique way of getting ids
1145 // to support async LCT get
1146 wait_data->next = adpt_post_wait_queue;
1147 adpt_post_wait_queue = wait_data;
1148 adpt_post_wait_id++;
1149 adpt_post_wait_id &= 0x7fff;
1150 wait_data->id = adpt_post_wait_id;
1151 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1153 wait_data->wq = &adpt_wq_i2o_post;
1154 wait_data->status = -ETIMEDOUT;
1156 // this code is taken from kernel/sched.c:interruptible_sleep_on_timeout
1157 wait.task = current;
1158 init_waitqueue_entry(&wait, current);
1159 spin_lock_irqsave(&adpt_wq_i2o_post.lock, flags);
1160 __add_wait_queue(&adpt_wq_i2o_post, &wait);
1161 spin_unlock(&adpt_wq_i2o_post.lock);
1163 msg[2] |= 0x80000000 | ((u32)wait_data->id);
1165 if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){
1166 set_current_state(TASK_INTERRUPTIBLE);
1168 spin_unlock_irq(pHba->host->host_lock);
1172 timeout = schedule_timeout(timeout);
1174 // I/O issued, but cannot get result in
1175 // specified time. Freeing resorces is
1179 schedule_timeout(timeout*HZ);
1182 spin_lock_irq(pHba->host->host_lock);
1184 spin_lock_irq(&adpt_wq_i2o_post.lock);
1185 __remove_wait_queue(&adpt_wq_i2o_post, &wait);
1186 spin_unlock_irqrestore(&adpt_wq_i2o_post.lock, flags);
1188 if(status == -ETIMEDOUT){
1189 printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit);
1190 // We will have to free the wait_data memory during shutdown
1194 /* Remove the entry from the queue. */
1196 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1197 for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) {
1198 if(p1 == wait_data) {
1199 if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) {
1200 status = -EOPNOTSUPP;
1203 p2->next = p1->next;
1205 adpt_post_wait_queue = p1->next;
1210 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1218 static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len)
1221 u32 m = EMPTY_QUEUE;
1223 ulong timeout = jiffies + 30*HZ;
1226 m = readl(pHba->post_port);
1227 if (m != EMPTY_QUEUE) {
1230 if(time_after(jiffies,timeout)){
1231 printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit);
1234 set_current_state(TASK_UNINTERRUPTIBLE);
1235 schedule_timeout(1);
1236 } while(m == EMPTY_QUEUE);
1238 msg = (u32*) (pHba->msg_addr_virt + m);
1239 memcpy_toio(msg, data, len);
1243 writel(m, pHba->post_port);
1250 static void adpt_i2o_post_wait_complete(u32 context, int status)
1252 struct adpt_i2o_post_wait_data *p1 = NULL;
1254 * We need to search through the adpt_post_wait
1255 * queue to see if the given message is still
1256 * outstanding. If not, it means that the IOP
1257 * took longer to respond to the message than we
1258 * had allowed and timer has already expired.
1259 * Not much we can do about that except log
1260 * it for debug purposes, increase timeout, and recompile
1262 * Lock needed to keep anyone from moving queue pointers
1263 * around while we're looking through them.
1268 spin_lock(&adpt_post_wait_lock);
1269 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1270 if(p1->id == context) {
1271 p1->status = status;
1272 spin_unlock(&adpt_post_wait_lock);
1273 wake_up_interruptible(p1->wq);
1277 spin_unlock(&adpt_post_wait_lock);
1278 // If this happens we lose commands that probably really completed
1279 printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context);
1280 printk(KERN_DEBUG" Tasks in wait queue:\n");
1281 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1282 printk(KERN_DEBUG" %d\n",p1->id);
1287 static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
1291 u32 m = EMPTY_QUEUE ;
1292 ulong timeout = jiffies + (TMOUT_IOPRESET*HZ);
1294 if(pHba->initialized == FALSE) { // First time reset should be quick
1295 timeout = jiffies + (25*HZ);
1297 adpt_i2o_quiesce_hba(pHba);
1302 m = readl(pHba->post_port);
1303 if (m != EMPTY_QUEUE) {
1306 if(time_after(jiffies,timeout)){
1307 printk(KERN_WARNING"Timeout waiting for message!\n");
1310 set_current_state(TASK_UNINTERRUPTIBLE);
1311 schedule_timeout(1);
1312 } while (m == EMPTY_QUEUE);
1314 status = (u8*)kmalloc(4, GFP_KERNEL|ADDR32);
1315 if(status == NULL) {
1316 adpt_send_nop(pHba, m);
1317 printk(KERN_ERR"IOP reset failed - no free memory.\n");
1322 msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0;
1323 msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID;
1328 msg[6]=virt_to_bus(status);
1331 memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg));
1333 writel(m, pHba->post_port);
1336 while(*status == 0){
1337 if(time_after(jiffies,timeout)){
1338 printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name);
1343 set_current_state(TASK_UNINTERRUPTIBLE);
1344 schedule_timeout(1);
1347 if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1348 PDEBUG("%s: Reset in progress...\n", pHba->name);
1349 // Here we wait for message frame to become available
1350 // indicated that reset has finished
1353 m = readl(pHba->post_port);
1354 if (m != EMPTY_QUEUE) {
1357 if(time_after(jiffies,timeout)){
1358 printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name);
1361 set_current_state(TASK_UNINTERRUPTIBLE);
1362 schedule_timeout(1);
1363 } while (m == EMPTY_QUEUE);
1365 adpt_send_nop(pHba, m);
1367 adpt_i2o_status_get(pHba);
1368 if(*status == 0x02 ||
1369 pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
1370 printk(KERN_WARNING"%s: Reset reject, trying to clear\n",
1373 PDEBUG("%s: Reset completed.\n", pHba->name);
1378 // This delay is to allow someone attached to the card through the debug UART to
1379 // set up the dump levels that they want before the rest of the initialization sequence
1386 static int adpt_i2o_parse_lct(adpt_hba* pHba)
1391 struct i2o_device *d;
1392 i2o_lct *lct = pHba->lct;
1396 u32 buf[10]; // larger than 7, or 8 ...
1397 struct adpt_device* pDev;
1400 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
1404 max = lct->table_size;
1408 for(i=0;i<max;i++) {
1409 if( lct->lct_entry[i].user_tid != 0xfff){
1411 * If we have hidden devices, we need to inform the upper layers about
1412 * the possible maximum id reference to handle device access when
1413 * an array is disassembled. This code has no other purpose but to
1414 * allow us future access to devices that are currently hidden
1415 * behind arrays, hotspares or have not been configured (JBOD mode).
1417 if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE &&
1418 lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL &&
1419 lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1422 tid = lct->lct_entry[i].tid;
1423 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1424 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
1427 bus_no = buf[0]>>16;
1429 scsi_lun = (buf[2]>>8 )&0xff;
1430 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1431 printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no);
1434 if (scsi_id >= MAX_ID){
1435 printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no);
1438 if(bus_no > pHba->top_scsi_channel){
1439 pHba->top_scsi_channel = bus_no;
1441 if(scsi_id > pHba->top_scsi_id){
1442 pHba->top_scsi_id = scsi_id;
1444 if(scsi_lun > pHba->top_scsi_lun){
1445 pHba->top_scsi_lun = scsi_lun;
1449 d = (struct i2o_device *)kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
1452 printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name);
1456 d->controller = (void*)pHba;
1459 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
1462 tid = d->lct_data.tid;
1463 adpt_i2o_report_hba_unit(pHba, d);
1464 adpt_i2o_install_device(pHba, d);
1467 for(d = pHba->devices; d ; d = d->next) {
1468 if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT ||
1469 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){
1470 tid = d->lct_data.tid;
1471 // TODO get the bus_no from hrt-but for now they are in order
1473 if(bus_no > pHba->top_scsi_channel){
1474 pHba->top_scsi_channel = bus_no;
1476 pHba->channel[bus_no].type = d->lct_data.class_id;
1477 pHba->channel[bus_no].tid = tid;
1478 if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0)
1480 pHba->channel[bus_no].scsi_id = buf[1];
1481 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]);
1483 // TODO remove - this is just until we get from hrt
1485 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1486 printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no);
1492 // Setup adpt_device table
1493 for(d = pHba->devices; d ; d = d->next) {
1494 if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
1495 d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL ||
1496 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1498 tid = d->lct_data.tid;
1500 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1501 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) {
1502 bus_no = buf[0]>>16;
1504 scsi_lun = (buf[2]>>8 )&0xff;
1505 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1508 if (scsi_id >= MAX_ID) {
1511 if( pHba->channel[bus_no].device[scsi_id] == NULL){
1512 pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
1516 pHba->channel[bus_no].device[scsi_id] = pDev;
1517 memset(pDev,0,sizeof(struct adpt_device));
1519 for( pDev = pHba->channel[bus_no].device[scsi_id];
1520 pDev->next_lun; pDev = pDev->next_lun){
1522 pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
1523 if(pDev->next_lun == NULL) {
1526 memset(pDev->next_lun,0,sizeof(struct adpt_device));
1527 pDev = pDev->next_lun;
1530 pDev->scsi_channel = bus_no;
1531 pDev->scsi_id = scsi_id;
1532 pDev->scsi_lun = scsi_lun;
1535 pDev->type = (buf[0])&0xff;
1536 pDev->flags = (buf[0]>>8)&0xff;
1537 if(scsi_id > pHba->top_scsi_id){
1538 pHba->top_scsi_id = scsi_id;
1540 if(scsi_lun > pHba->top_scsi_lun){
1541 pHba->top_scsi_lun = scsi_lun;
1545 printk(KERN_WARNING"Could not find SCSI ID for %s\n",
1546 d->lct_data.identity_tag);
1555 * Each I2O controller has a chain of devices on it - these match
1556 * the useful parts of the LCT of the board.
1559 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
1561 down(&adpt_configuration_lock);
1564 d->next=pHba->devices;
1566 if (pHba->devices != NULL){
1567 pHba->devices->prev=d;
1572 up(&adpt_configuration_lock);
1576 static int adpt_open(struct inode *inode, struct file *file)
1581 //TODO check for root access
1583 minor = iminor(inode);
1584 if (minor >= hba_count) {
1587 down(&adpt_configuration_lock);
1588 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1589 if (pHba->unit == minor) {
1590 break; /* found adapter */
1594 up(&adpt_configuration_lock);
1598 // if(pHba->in_use){
1599 // up(&adpt_configuration_lock);
1604 up(&adpt_configuration_lock);
1609 static int adpt_close(struct inode *inode, struct file *file)
1614 minor = iminor(inode);
1615 if (minor >= hba_count) {
1618 down(&adpt_configuration_lock);
1619 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1620 if (pHba->unit == minor) {
1621 break; /* found adapter */
1624 up(&adpt_configuration_lock);
1635 static int adpt_i2o_passthru(adpt_hba* pHba, u32* arg)
1637 u32 msg[MAX_MESSAGE_SIZE];
1641 u32* user_msg = (u32*)arg;
1642 u32* user_reply = NULL;
1643 ulong sg_list[pHba->sg_tablesize];
1652 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1653 // get user msg size in u32s
1654 if(get_user(size, &user_msg[0])){
1659 user_reply = &user_msg[size];
1660 if(size > MAX_MESSAGE_SIZE){
1663 size *= 4; // Convert to bytes
1665 /* Copy in the user's I2O command */
1666 if(copy_from_user((void*)msg, (void*)user_msg, size)) {
1669 get_user(reply_size, &user_reply[0]);
1670 reply_size = reply_size>>16;
1671 if(reply_size > REPLY_FRAME_SIZE){
1672 reply_size = REPLY_FRAME_SIZE;
1675 reply = kmalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
1677 printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name);
1680 memset(reply,0,REPLY_FRAME_SIZE*4);
1681 sg_offset = (msg[0]>>4)&0xf;
1682 msg[2] = 0x40000000; // IOCTL context
1683 msg[3] = (u32)reply;
1684 memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize);
1687 struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset);
1688 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1689 if (sg_count > pHba->sg_tablesize){
1690 printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count);
1695 for(i = 0; i < sg_count; i++) {
1698 if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1699 printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count);
1703 sg_size = sg[i].flag_count & 0xffffff;
1704 /* Allocate memory for the transfer */
1705 p = (ulong)kmalloc(sg_size, GFP_KERNEL|ADDR32);
1707 printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1708 pHba->name,sg_size,i,sg_count);
1712 sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
1713 /* Copy in the user's SG buffer if necessary */
1714 if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1716 if (copy_from_user((void*)p,(void*)sg[i].addr_bus, sg_size)) {
1717 printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i);
1723 sg[i].addr_bus = (u32)virt_to_bus((void*)p);
1729 spin_lock_irqsave(pHba->host->host_lock, flags);
1730 // This state stops any new commands from enterring the
1731 // controller while processing the ioctl
1732 // pHba->state |= DPTI_STATE_IOCTL;
1733 // We can't set this now - The scsi subsystem sets host_blocked and
1734 // the queue empties and stops. We need a way to restart the queue
1735 rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER);
1737 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1739 // pHba->state &= ~DPTI_STATE_IOCTL;
1741 spin_unlock_irqrestore(pHba->host->host_lock, flags);
1742 } while(rcode == -ETIMEDOUT);
1749 /* Copy back the Scatter Gather buffers back to user space */
1752 struct sg_simple_element* sg;
1755 // re-acquire the original message to handle correctly the sg copy operation
1756 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1757 // get user msg size in u32s
1758 if(get_user(size, &user_msg[0])){
1764 /* Copy in the user's I2O command */
1765 if (copy_from_user ((void*)msg, (void*)user_msg, size)) {
1769 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1772 sg = (struct sg_simple_element*)(msg + sg_offset);
1773 for (j = 0; j < sg_count; j++) {
1774 /* Copy out the SG list to user's buffer if necessary */
1775 if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1776 sg_size = sg[j].flag_count & 0xffffff;
1778 if (copy_to_user((void*)sg[j].addr_bus,(void*)sg_list[j], sg_size)) {
1779 printk(KERN_WARNING"%s: Could not copy %lx TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus);
1787 /* Copy back the reply to user space */
1789 // we wrote our own values for context - now restore the user supplied ones
1790 if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) {
1791 printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name);
1794 if(copy_to_user(user_reply, reply, reply_size)) {
1795 printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name);
1802 if (rcode != -ETIME && rcode != -EINTR)
1805 if(sg_list[--sg_index]) {
1806 if (rcode != -ETIME && rcode != -EINTR)
1807 kfree((void*)(sg_list[sg_index]));
1815 * This routine returns information about the system. This does not effect
1816 * any logic and if the info is wrong - it doesn't matter.
1819 /* Get all the info we can not get from kernel services */
1820 static int adpt_system_info(void *buffer)
1824 memset(&si, 0, sizeof(si));
1826 si.osType = OS_LINUX;
1827 si.osMajorVersion = (u8) (LINUX_VERSION_CODE >> 16);
1828 si.osMinorVersion = (u8) (LINUX_VERSION_CODE >> 8 & 0x0ff);
1829 si.osRevision = (u8) (LINUX_VERSION_CODE & 0x0ff);
1830 si.busType = SI_PCI_BUS;
1831 si.processorFamily = DPTI_sig.dsProcessorFamily;
1833 #if defined __i386__
1834 adpt_i386_info(&si);
1835 #elif defined (__ia64__)
1836 adpt_ia64_info(&si);
1837 #elif defined(__sparc__)
1838 adpt_sparc_info(&si);
1839 #elif defined (__alpha__)
1840 adpt_alpha_info(&si);
1842 si.processorType = 0xff ;
1844 if(copy_to_user(buffer, &si, sizeof(si))){
1845 printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
1852 #if defined __ia64__
1853 static void adpt_ia64_info(sysInfo_S* si)
1855 // This is all the info we need for now
1856 // We will add more info as our new
1857 // managmenent utility requires it
1858 si->processorType = PROC_IA64;
1863 #if defined __sparc__
1864 static void adpt_sparc_info(sysInfo_S* si)
1866 // This is all the info we need for now
1867 // We will add more info as our new
1868 // managmenent utility requires it
1869 si->processorType = PROC_ULTRASPARC;
1873 #if defined __alpha__
1874 static void adpt_alpha_info(sysInfo_S* si)
1876 // This is all the info we need for now
1877 // We will add more info as our new
1878 // managmenent utility requires it
1879 si->processorType = PROC_ALPHA;
1883 #if defined __i386__
1885 static void adpt_i386_info(sysInfo_S* si)
1887 // This is all the info we need for now
1888 // We will add more info as our new
1889 // managmenent utility requires it
1890 switch (boot_cpu_data.x86) {
1892 si->processorType = PROC_386;
1895 si->processorType = PROC_486;
1898 si->processorType = PROC_PENTIUM;
1900 default: // Just in case
1901 si->processorType = PROC_PENTIUM;
1909 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
1917 minor = iminor(inode);
1918 if (minor >= DPTI_MAX_HBA){
1921 down(&adpt_configuration_lock);
1922 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1923 if (pHba->unit == minor) {
1924 break; /* found adapter */
1927 up(&adpt_configuration_lock);
1932 while((volatile u32) pHba->state & DPTI_STATE_RESET ) {
1933 set_task_state(current,TASK_UNINTERRUPTIBLE);
1934 schedule_timeout(2);
1939 // TODO: handle 3 cases
1941 if (copy_to_user((char*)arg, &DPTI_sig, sizeof(DPTI_sig))) {
1946 return adpt_i2o_passthru(pHba,(u32*)arg);
1950 drvrHBAinfo_S HbaInfo;
1952 #define FLG_OSD_PCI_VALID 0x0001
1953 #define FLG_OSD_DMA 0x0002
1954 #define FLG_OSD_I2O 0x0004
1955 memset(&HbaInfo, 0, sizeof(HbaInfo));
1956 HbaInfo.drvrHBAnum = pHba->unit;
1957 HbaInfo.baseAddr = (ulong) pHba->base_addr_phys;
1958 HbaInfo.blinkState = adpt_read_blink_led(pHba);
1959 HbaInfo.pciBusNum = pHba->pDev->bus->number;
1960 HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn);
1961 HbaInfo.Interrupt = pHba->pDev->irq;
1962 HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O;
1963 if(copy_to_user((void *) arg, &HbaInfo, sizeof(HbaInfo))){
1964 printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name);
1970 return adpt_system_info((void*)arg);
1974 value = (u32)adpt_read_blink_led(pHba);
1975 if (copy_to_user((char*)arg, &value, sizeof(value))) {
1982 spin_lock_irqsave(pHba->host->host_lock, flags);
1983 adpt_hba_reset(pHba);
1985 spin_unlock_irqrestore(pHba->host->host_lock, flags);
1998 static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs)
2001 adpt_hba* pHba = dev_id;
2010 printk(KERN_WARNING"adpt_isr: NULL dev_id\n");
2014 spin_lock_irqsave(pHba->host->host_lock, flags);
2016 while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) {
2017 m = readl(pHba->reply_port);
2018 if(m == EMPTY_QUEUE){
2019 // Try twice then give up
2021 m = readl(pHba->reply_port);
2022 if(m == EMPTY_QUEUE){
2023 // This really should not happen
2024 printk(KERN_ERR"dpti: Could not get reply frame\n");
2028 reply = (ulong)bus_to_virt(m);
2030 if (readl(reply) & MSG_FAIL) {
2031 u32 old_m = readl(reply+28);
2034 PDEBUG("%s: Failed message\n",pHba->name);
2035 if(old_m >= 0x100000){
2036 printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m);
2037 writel(m,pHba->reply_port);
2040 // Transaction context is 0 in failed reply frame
2041 msg = (ulong)(pHba->msg_addr_virt + old_m);
2042 old_context = readl(msg+12);
2043 writel(old_context, reply+12);
2044 adpt_send_nop(pHba, old_m);
2046 context = readl(reply+8);
2047 if(context & 0x40000000){ // IOCTL
2048 ulong p = (ulong)(readl(reply+12));
2050 memcpy((void*)p, (void*)reply, REPLY_FRAME_SIZE * 4);
2052 // All IOCTLs will also be post wait
2054 if(context & 0x80000000){ // Post wait message
2055 status = readl(reply+16);
2057 status &= 0xffff; /* Get detail status */
2059 status = I2O_POST_WAIT_OK;
2061 if(!(context & 0x40000000)) {
2062 cmd = (Scsi_Cmnd*) readl(reply+12);
2064 printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context);
2067 adpt_i2o_post_wait_complete(context, status);
2068 } else { // SCSI message
2069 cmd = (Scsi_Cmnd*) readl(reply+12);
2071 if(cmd->serial_number != 0) { // If not timedout
2072 adpt_i2o_to_scsi(reply, cmd);
2076 writel(m, pHba->reply_port);
2082 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2083 return IRQ_RETVAL(handled);
2086 static s32 adpt_scsi_to_i2o(adpt_hba* pHba, Scsi_Cmnd* cmd, struct adpt_device* d)
2089 u32 msg[MAX_MESSAGE_SIZE];
2098 memset(msg, 0 , sizeof(msg));
2099 len = cmd->request_bufflen;
2100 direction = 0x00000000;
2102 scsidir = 0x00000000; // DATA NO XFER
2105 * Set SCBFlags to indicate if data is being transferred
2106 * in or out, or no data transfer
2107 * Note: Do not have to verify index is less than 0 since
2108 * cmd->cmnd[0] is an unsigned char
2110 switch(cmd->sc_data_direction){
2111 case SCSI_DATA_READ:
2112 scsidir =0x40000000; // DATA IN (iop<--dev)
2114 case SCSI_DATA_WRITE:
2115 direction=0x04000000; // SGL OUT
2116 scsidir =0x80000000; // DATA OUT (iop-->dev)
2118 case SCSI_DATA_NONE:
2120 case SCSI_DATA_UNKNOWN:
2121 scsidir =0x40000000; // DATA IN (iop<--dev)
2122 // Assume In - and continue;
2125 printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n",
2126 pHba->name, cmd->cmnd[0]);
2127 cmd->result = (DID_OK <<16) | (INITIATOR_ERROR << 8);
2128 cmd->scsi_done(cmd);
2132 // msg[0] is set later
2133 // I2O_CMD_SCSI_EXEC
2134 msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid);
2136 msg[3] = (u32)cmd; /* We want the SCSI control block back */
2137 // Our cards use the transaction context as the tag for queueing
2138 // Adaptec/DPT Private stuff
2139 msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16);
2141 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2142 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2143 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2144 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2145 msg[6] = scsidir|0x20a00000|cmd->cmd_len;
2149 // Write SCSI command into the message - always 16 byte block
2150 memset(mptr, 0, 16);
2151 memcpy(mptr, cmd->cmnd, cmd->cmd_len);
2153 lenptr=mptr++; /* Remember me - fill in when we know */
2154 reqlen = 14; // SINGLE SGE
2155 /* Now fill in the SGList and command */
2157 struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
2158 int sg_count = pci_map_sg(pHba->pDev, sg, cmd->use_sg,
2159 scsi_to_pci_dma_dir(cmd->sc_data_direction));
2163 for(i = 0 ; i < sg_count; i++) {
2164 *mptr++ = direction|0x10000000|sg_dma_len(sg);
2165 len+=sg_dma_len(sg);
2166 *mptr++ = sg_dma_address(sg);
2169 /* Make this an end of list */
2170 mptr[-2] = direction|0xD0000000|sg_dma_len(sg-1);
2171 reqlen = mptr - msg;
2174 if(cmd->underflow && len != cmd->underflow){
2175 printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n",
2176 len, cmd->underflow);
2179 *lenptr = len = cmd->request_bufflen;
2183 *mptr++ = 0xD0000000|direction|cmd->request_bufflen;
2184 *mptr++ = pci_map_single(pHba->pDev,
2185 cmd->request_buffer,
2186 cmd->request_bufflen,
2187 scsi_to_pci_dma_dir(cmd->sc_data_direction));
2191 /* Stick the headers on */
2192 msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0);
2194 // Send it on it's way
2195 rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2);
2203 static s32 adpt_scsi_register(adpt_hba* pHba,Scsi_Host_Template * sht)
2205 struct Scsi_Host *host = NULL;
2207 host = scsi_register(sht, sizeof(adpt_hba*));
2209 printk ("%s: scsi_register returned NULL\n",pHba->name);
2212 host->hostdata[0] = (unsigned long)pHba;
2215 host->irq = pHba->pDev->irq;
2216 /* no IO ports, so don't have to set host->io_port and
2220 host->n_io_port = 0;
2221 /* see comments in hosts.h */
2223 host->max_lun = 256;
2224 host->max_channel = pHba->top_scsi_channel + 1;
2225 host->cmd_per_lun = 1;
2226 host->unique_id = (uint) pHba;
2227 host->sg_tablesize = pHba->sg_tablesize;
2228 host->can_queue = pHba->post_fifo_size;
2234 static s32 adpt_i2o_to_scsi(ulong reply, Scsi_Cmnd* cmd)
2239 u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits
2240 // I know this would look cleaner if I just read bytes
2241 // but the model I have been using for all the rest of the
2242 // io is in 4 byte words - so I keep that model
2243 u16 detailed_status = readl(reply+16) &0xffff;
2244 dev_status = (detailed_status & 0xff);
2245 hba_status = detailed_status >> 8;
2247 // calculate resid for sg
2248 cmd->resid = cmd->request_bufflen - readl(reply+5);
2250 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
2252 cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false
2254 if(!(reply_flags & MSG_FAIL)) {
2255 switch(detailed_status & I2O_SCSI_DSC_MASK) {
2256 case I2O_SCSI_DSC_SUCCESS:
2257 cmd->result = (DID_OK << 16);
2259 if(readl(reply+5) < cmd->underflow ) {
2260 cmd->result = (DID_ERROR <<16);
2261 printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name);
2264 case I2O_SCSI_DSC_REQUEST_ABORTED:
2265 cmd->result = (DID_ABORT << 16);
2267 case I2O_SCSI_DSC_PATH_INVALID:
2268 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT:
2269 case I2O_SCSI_DSC_SELECTION_TIMEOUT:
2270 case I2O_SCSI_DSC_COMMAND_TIMEOUT:
2271 case I2O_SCSI_DSC_NO_ADAPTER:
2272 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE:
2273 printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2274 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]);
2275 cmd->result = (DID_TIME_OUT << 16);
2277 case I2O_SCSI_DSC_ADAPTER_BUSY:
2278 case I2O_SCSI_DSC_BUS_BUSY:
2279 cmd->result = (DID_BUS_BUSY << 16);
2281 case I2O_SCSI_DSC_SCSI_BUS_RESET:
2282 case I2O_SCSI_DSC_BDR_MESSAGE_SENT:
2283 cmd->result = (DID_RESET << 16);
2285 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE:
2286 printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name);
2287 cmd->result = (DID_PARITY << 16);
2289 case I2O_SCSI_DSC_UNABLE_TO_ABORT:
2290 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR:
2291 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE:
2292 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED:
2293 case I2O_SCSI_DSC_AUTOSENSE_FAILED:
2294 case I2O_SCSI_DSC_DATA_OVERRUN:
2295 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE:
2296 case I2O_SCSI_DSC_SEQUENCE_FAILURE:
2297 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR:
2298 case I2O_SCSI_DSC_PROVIDE_FAILURE:
2299 case I2O_SCSI_DSC_REQUEST_TERMINATED:
2300 case I2O_SCSI_DSC_IDE_MESSAGE_SENT:
2301 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT:
2302 case I2O_SCSI_DSC_MESSAGE_RECEIVED:
2303 case I2O_SCSI_DSC_INVALID_CDB:
2304 case I2O_SCSI_DSC_LUN_INVALID:
2305 case I2O_SCSI_DSC_SCSI_TID_INVALID:
2306 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE:
2307 case I2O_SCSI_DSC_NO_NEXUS:
2308 case I2O_SCSI_DSC_CDB_RECEIVED:
2309 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED:
2310 case I2O_SCSI_DSC_QUEUE_FROZEN:
2311 case I2O_SCSI_DSC_REQUEST_INVALID:
2313 printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2314 pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun,
2315 hba_status, dev_status, cmd->cmnd[0]);
2316 cmd->result = (DID_ERROR << 16);
2320 // copy over the request sense data if it was a check
2322 if(dev_status == 0x02 /*CHECK_CONDITION*/) {
2323 u32 len = sizeof(cmd->sense_buffer);
2324 len = (len > 40) ? 40 : len;
2325 // Copy over the sense data
2326 memcpy(cmd->sense_buffer, (void*)(reply+28) , len);
2327 if(cmd->sense_buffer[0] == 0x70 /* class 7 */ &&
2328 cmd->sense_buffer[2] == DATA_PROTECT ){
2329 /* This is to handle an array failed */
2330 cmd->result = (DID_TIME_OUT << 16);
2331 printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2332 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun,
2333 hba_status, dev_status, cmd->cmnd[0]);
2338 /* In this condtion we could not talk to the tid
2339 * the card rejected it. We should signal a retry
2340 * for a limitted number of retries.
2342 cmd->result = (DID_TIME_OUT << 16);
2343 printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n",
2344 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun,
2345 ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]);
2348 cmd->result |= (dev_status);
2350 if(cmd->scsi_done != NULL){
2351 cmd->scsi_done(cmd);
2357 static s32 adpt_rescan(adpt_hba* pHba)
2363 spin_lock_irqsave(pHba->host->host_lock, flags);
2364 if ((rcode=adpt_i2o_lct_get(pHba)) < 0)
2366 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0)
2370 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2375 static s32 adpt_i2o_reparse_lct(adpt_hba* pHba)
2380 struct i2o_device *d;
2381 i2o_lct *lct = pHba->lct;
2385 u32 buf[10]; // at least 8 u32's
2386 struct adpt_device* pDev = NULL;
2387 struct i2o_device* pI2o_dev = NULL;
2390 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
2394 max = lct->table_size;
2398 // Mark each drive as unscanned
2399 for (d = pHba->devices; d; d = d->next) {
2400 pDev =(struct adpt_device*) d->owner;
2404 pDev->state |= DPTI_DEV_UNSCANNED;
2407 printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max);
2409 for(i=0;i<max;i++) {
2410 if( lct->lct_entry[i].user_tid != 0xfff){
2414 if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
2415 lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL ||
2416 lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
2417 tid = lct->lct_entry[i].tid;
2418 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
2419 printk(KERN_ERR"%s: Could not query device\n",pHba->name);
2422 bus_no = buf[0]>>16;
2424 scsi_lun = (buf[2]>>8 )&0xff;
2425 pDev = pHba->channel[bus_no].device[scsi_id];
2428 if(pDev->scsi_lun == scsi_lun) {
2431 pDev = pDev->next_lun;
2433 if(!pDev ) { // Something new add it
2434 d = (struct i2o_device *)kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
2437 printk(KERN_CRIT "Out of memory for I2O device data.\n");
2441 d->controller = (void*)pHba;
2444 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2447 adpt_i2o_report_hba_unit(pHba, d);
2448 adpt_i2o_install_device(pHba, d);
2450 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
2451 printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no);
2454 pDev = pHba->channel[bus_no].device[scsi_id];
2456 pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
2460 pHba->channel[bus_no].device[scsi_id] = pDev;
2462 while (pDev->next_lun) {
2463 pDev = pDev->next_lun;
2465 pDev = pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
2470 memset(pDev,0,sizeof(struct adpt_device));
2471 pDev->tid = d->lct_data.tid;
2472 pDev->scsi_channel = bus_no;
2473 pDev->scsi_id = scsi_id;
2474 pDev->scsi_lun = scsi_lun;
2477 pDev->type = (buf[0])&0xff;
2478 pDev->flags = (buf[0]>>8)&0xff;
2479 // Too late, SCSI system has made up it's mind, but what the hey ...
2480 if(scsi_id > pHba->top_scsi_id){
2481 pHba->top_scsi_id = scsi_id;
2483 if(scsi_lun > pHba->top_scsi_lun){
2484 pHba->top_scsi_lun = scsi_lun;
2487 } // end of new i2o device
2489 // We found an old device - check it
2491 if(pDev->scsi_lun == scsi_lun) {
2492 if(!scsi_device_online(pDev->pScsi_dev)) {
2493 printk(KERN_WARNING"%s: Setting device (%d,%d,%d) back online\n",
2494 pHba->name,bus_no,scsi_id,scsi_lun);
2495 if (pDev->pScsi_dev) {
2496 scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING);
2500 if(d->lct_data.tid != tid) { // something changed
2502 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2503 if (pDev->pScsi_dev) {
2504 pDev->pScsi_dev->changed = TRUE;
2505 pDev->pScsi_dev->removable = TRUE;
2508 // Found it - mark it scanned
2509 pDev->state = DPTI_DEV_ONLINE;
2512 pDev = pDev->next_lun;
2516 for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) {
2517 pDev =(struct adpt_device*) pI2o_dev->owner;
2521 // Drive offline drives that previously existed but could not be found
2523 if (pDev->state & DPTI_DEV_UNSCANNED){
2524 pDev->state = DPTI_DEV_OFFLINE;
2525 printk(KERN_WARNING"%s: Device (%d,%d,%d) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun);
2526 if (pDev->pScsi_dev) {
2527 scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE);
2534 static void adpt_fail_posted_scbs(adpt_hba* pHba)
2536 Scsi_Cmnd* cmd = NULL;
2537 Scsi_Device* d = NULL;
2539 shost_for_each_device(d, pHba->host) {
2540 unsigned long flags;
2541 spin_lock_irqsave(&d->list_lock, flags);
2542 list_for_each_entry(cmd, &d->cmd_list, list) {
2543 if(cmd->serial_number == 0){
2546 cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1);
2547 cmd->scsi_done(cmd);
2549 spin_unlock_irqrestore(&d->list_lock, flags);
2554 /*============================================================================
2555 * Routines from i2o subsystem
2556 *============================================================================
2562 * Bring an I2O controller into HOLD state. See the spec.
2564 static int adpt_i2o_activate_hba(adpt_hba* pHba)
2568 if(pHba->initialized ) {
2569 if (adpt_i2o_status_get(pHba) < 0) {
2570 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2571 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2574 if (adpt_i2o_status_get(pHba) < 0) {
2575 printk(KERN_INFO "HBA not responding.\n");
2580 if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) {
2581 printk(KERN_CRIT "%s: hardware fault\n", pHba->name);
2585 if (pHba->status_block->iop_state == ADAPTER_STATE_READY ||
2586 pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL ||
2587 pHba->status_block->iop_state == ADAPTER_STATE_HOLD ||
2588 pHba->status_block->iop_state == ADAPTER_STATE_FAILED) {
2589 adpt_i2o_reset_hba(pHba);
2590 if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
2591 printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name);
2596 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2597 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2603 if (adpt_i2o_init_outbound_q(pHba) < 0) {
2609 if (adpt_i2o_hrt_get(pHba) < 0) {
2617 * Bring a controller online into OPERATIONAL state.
2620 static int adpt_i2o_online_hba(adpt_hba* pHba)
2622 if (adpt_i2o_systab_send(pHba) < 0) {
2623 adpt_i2o_delete_hba(pHba);
2626 /* In READY state */
2628 if (adpt_i2o_enable_hba(pHba) < 0) {
2629 adpt_i2o_delete_hba(pHba);
2633 /* In OPERATIONAL state */
2637 static s32 adpt_send_nop(adpt_hba*pHba,u32 m)
2640 ulong timeout = jiffies + 5*HZ;
2642 while(m == EMPTY_QUEUE){
2644 m = readl(pHba->post_port);
2645 if(m != EMPTY_QUEUE){
2648 if(time_after(jiffies,timeout)){
2649 printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name);
2652 set_current_state(TASK_UNINTERRUPTIBLE);
2653 schedule_timeout(1);
2655 msg = (u32*)(pHba->msg_addr_virt + m);
2656 writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]);
2657 writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]);
2661 writel(m, pHba->post_port);
2666 static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
2671 ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ;
2673 u32 outbound_frame; // This had to be a 32 bit address
2678 m = readl(pHba->post_port);
2679 if (m != EMPTY_QUEUE) {
2683 if(time_after(jiffies,timeout)){
2684 printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name);
2687 set_current_state(TASK_UNINTERRUPTIBLE);
2688 schedule_timeout(1);
2689 } while(m == EMPTY_QUEUE);
2691 msg=(u32 *)(pHba->msg_addr_virt+m);
2693 status = kmalloc(4,GFP_KERNEL|ADDR32);
2695 adpt_send_nop(pHba, m);
2696 printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n",
2700 memset(status, 0, 4);
2702 writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]);
2703 writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]);
2705 writel(0x0106, &msg[3]); /* Transaction context */
2706 writel(4096, &msg[4]); /* Host page frame size */
2707 writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */
2708 writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */
2709 writel(virt_to_bus(status), &msg[7]);
2711 writel(m, pHba->post_port);
2714 // Wait for the reply status to come back
2717 if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2722 if(time_after(jiffies,timeout)){
2723 printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name);
2726 set_current_state(TASK_UNINTERRUPTIBLE);
2727 schedule_timeout(1);
2730 // If the command was successful, fill the fifo with our reply
2732 if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2733 kfree((void*)status);
2736 kfree((void*)status);
2738 if(pHba->reply_pool != NULL){
2739 kfree(pHba->reply_pool);
2742 pHba->reply_pool = (u32*)kmalloc(pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, GFP_KERNEL|ADDR32);
2743 if(!pHba->reply_pool){
2744 printk(KERN_ERR"%s: Could not allocate reply pool\n",pHba->name);
2747 memset(pHba->reply_pool, 0 , pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4);
2749 ptr = pHba->reply_pool;
2750 for(i = 0; i < pHba->reply_fifo_size; i++) {
2751 outbound_frame = (u32)virt_to_bus(ptr);
2752 writel(outbound_frame, pHba->reply_port);
2754 ptr += REPLY_FRAME_SIZE;
2756 adpt_i2o_status_get(pHba);
2762 * I2O System Table. Contains information about
2763 * all the IOPs in the system. Used to inform IOPs
2764 * about each other's existence.
2766 * sys_tbl_ver is the CurrentChangeIndicator that is
2767 * used by IOPs to track changes.
2772 static s32 adpt_i2o_status_get(adpt_hba* pHba)
2777 u8 *status_block=NULL;
2778 ulong status_block_bus;
2780 if(pHba->status_block == NULL) {
2781 pHba->status_block = (i2o_status_block*)
2782 kmalloc(sizeof(i2o_status_block),GFP_KERNEL|ADDR32);
2783 if(pHba->status_block == NULL) {
2785 "dpti%d: Get Status Block failed; Out of memory. \n",
2790 memset(pHba->status_block, 0, sizeof(i2o_status_block));
2791 status_block = (u8*)(pHba->status_block);
2792 status_block_bus = virt_to_bus(pHba->status_block);
2793 timeout = jiffies+TMOUT_GETSTATUS*HZ;
2796 m = readl(pHba->post_port);
2797 if (m != EMPTY_QUEUE) {
2800 if(time_after(jiffies,timeout)){
2801 printk(KERN_ERR "%s: Timeout waiting for message !\n",
2805 set_current_state(TASK_UNINTERRUPTIBLE);
2806 schedule_timeout(1);
2807 } while(m==EMPTY_QUEUE);
2810 msg=(u32*)(pHba->msg_addr_virt+m);
2812 writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]);
2813 writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]);
2818 writel(((u32)status_block_bus)&0xffffffff, &msg[6]);
2820 writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes
2823 writel(m, pHba->post_port);
2826 while(status_block[87]!=0xff){
2827 if(time_after(jiffies,timeout)){
2828 printk(KERN_ERR"dpti%d: Get status timeout.\n",
2833 set_current_state(TASK_UNINTERRUPTIBLE);
2834 schedule_timeout(1);
2837 // Set up our number of outbound and inbound messages
2838 pHba->post_fifo_size = pHba->status_block->max_inbound_frames;
2839 if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) {
2840 pHba->post_fifo_size = MAX_TO_IOP_MESSAGES;
2843 pHba->reply_fifo_size = pHba->status_block->max_outbound_frames;
2844 if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) {
2845 pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES;
2848 // Calculate the Scatter Gather list size
2849 pHba->sg_tablesize = (pHba->status_block->inbound_frame_size * 4 -40)/ sizeof(struct sg_simple_element);
2850 if (pHba->sg_tablesize > SG_LIST_ELEMENTS) {
2851 pHba->sg_tablesize = SG_LIST_ELEMENTS;
2856 printk("dpti%d: State = ",pHba->unit);
2857 switch(pHba->status_block->iop_state) {
2871 printk("OPERATIONAL\n");
2877 printk("FAULTED\n");
2880 printk("%x (unknown!!)\n",pHba->status_block->iop_state);
2887 * Get the IOP's Logical Configuration Table
2889 static int adpt_i2o_lct_get(adpt_hba* pHba)
2895 if ((pHba->lct_size == 0) || (pHba->lct == NULL)){
2896 pHba->lct_size = pHba->status_block->expected_lct_size;
2899 if (pHba->lct == NULL) {
2900 pHba->lct = kmalloc(pHba->lct_size, GFP_KERNEL|ADDR32);
2901 if(pHba->lct == NULL) {
2902 printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n",
2907 memset(pHba->lct, 0, pHba->lct_size);
2909 msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6;
2910 msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID;
2913 msg[4] = 0xFFFFFFFF; /* All devices */
2914 msg[5] = 0x00000000; /* Report now */
2915 msg[6] = 0xD0000000|pHba->lct_size;
2916 msg[7] = virt_to_bus(pHba->lct);
2918 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) {
2919 printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n",
2921 printk(KERN_ERR"Adaptec: Error Reading Hardware.\n");
2925 if ((pHba->lct->table_size << 2) > pHba->lct_size) {
2926 pHba->lct_size = pHba->lct->table_size << 2;
2930 } while (pHba->lct == NULL);
2932 PDEBUG("%s: Hardware resource table read.\n", pHba->name);
2935 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
2936 if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) {
2937 pHba->FwDebugBufferSize = buf[1];
2938 pHba->FwDebugBuffer_P = pHba->base_addr_virt + buf[0];
2939 pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P + FW_DEBUG_FLAGS_OFFSET;
2940 pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P + FW_DEBUG_BLED_OFFSET;
2941 pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1;
2942 pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P + FW_DEBUG_STR_LENGTH_OFFSET;
2943 pHba->FwDebugBuffer_P += buf[2];
2944 pHba->FwDebugFlags = 0;
2950 static int adpt_i2o_build_sys_table(void)
2952 adpt_hba* pHba = NULL;
2955 sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs
2956 (hba_count) * sizeof(struct i2o_sys_tbl_entry);
2961 sys_tbl = kmalloc(sys_tbl_len, GFP_KERNEL|ADDR32);
2963 printk(KERN_WARNING "SysTab Set failed. Out of memory.\n");
2966 memset(sys_tbl, 0, sys_tbl_len);
2968 sys_tbl->num_entries = hba_count;
2969 sys_tbl->version = I2OVERSION;
2970 sys_tbl->change_ind = sys_tbl_ind++;
2972 for(pHba = hba_chain; pHba; pHba = pHba->next) {
2973 // Get updated Status Block so we have the latest information
2974 if (adpt_i2o_status_get(pHba)) {
2975 sys_tbl->num_entries--;
2976 continue; // try next one
2979 sys_tbl->iops[count].org_id = pHba->status_block->org_id;
2980 sys_tbl->iops[count].iop_id = pHba->unit + 2;
2981 sys_tbl->iops[count].seg_num = 0;
2982 sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version;
2983 sys_tbl->iops[count].iop_state = pHba->status_block->iop_state;
2984 sys_tbl->iops[count].msg_type = pHba->status_block->msg_type;
2985 sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size;
2986 sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ??
2987 sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities;
2988 sys_tbl->iops[count].inbound_low = (u32)virt_to_bus((void*)pHba->post_port);
2989 sys_tbl->iops[count].inbound_high = (u32)((u64)virt_to_bus((void*)pHba->post_port)>>32);
2996 u32 *table = (u32*)sys_tbl;
2997 printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2));
2998 for(count = 0; count < (sys_tbl_len >>2); count++) {
2999 printk(KERN_INFO "sys_tbl[%d] = %0#10x\n",
3000 count, table[count]);
3010 * Dump the information block associated with a given unit (TID)
3013 static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d)
3016 int unit = d->lct_data.tid;
3018 printk(KERN_INFO "TID %3.3d ", unit);
3020 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0)
3023 printk(" Vendor: %-12.12s", buf);
3025 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0)
3028 printk(" Device: %-12.12s", buf);
3030 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0)
3033 printk(" Rev: %-12.12s\n", buf);
3036 printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id));
3037 printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class);
3038 printk(KERN_INFO "\tFlags: ");
3040 if(d->lct_data.device_flags&(1<<0))
3041 printk("C"); // ConfigDialog requested
3042 if(d->lct_data.device_flags&(1<<1))
3043 printk("U"); // Multi-user capable
3044 if(!(d->lct_data.device_flags&(1<<4)))
3045 printk("P"); // Peer service enabled!
3046 if(!(d->lct_data.device_flags&(1<<5)))
3047 printk("M"); // Mgmt service enabled!
3054 * Do i2o class name lookup
3056 static const char *adpt_i2o_get_class_name(int class)
3059 static char *i2o_class_name[] = {
3061 "Device Driver Module",
3066 "Fibre Channel Port",
3067 "Fibre Channel Device",
3071 "Floppy Controller",
3073 "Secondary Bus Port",
3074 "Peer Transport Agent",
3079 switch(class&0xFFF) {
3080 case I2O_CLASS_EXECUTIVE:
3084 case I2O_CLASS_RANDOM_BLOCK_STORAGE:
3086 case I2O_CLASS_SEQUENTIAL_STORAGE:
3092 case I2O_CLASS_FIBRE_CHANNEL_PORT:
3094 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL:
3096 case I2O_CLASS_SCSI_PERIPHERAL:
3098 case I2O_CLASS_ATE_PORT:
3100 case I2O_CLASS_ATE_PERIPHERAL:
3102 case I2O_CLASS_FLOPPY_CONTROLLER:
3104 case I2O_CLASS_FLOPPY_DEVICE:
3106 case I2O_CLASS_BUS_ADAPTER_PORT:
3108 case I2O_CLASS_PEER_TRANSPORT_AGENT:
3110 case I2O_CLASS_PEER_TRANSPORT:
3113 return i2o_class_name[idx];
3118 static s32 adpt_i2o_hrt_get(adpt_hba* pHba)
3121 int ret, size = sizeof(i2o_hrt);
3124 if (pHba->hrt == NULL) {
3125 pHba->hrt=kmalloc(size, GFP_KERNEL|ADDR32);
3126 if (pHba->hrt == NULL) {
3127 printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name);
3132 msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4;
3133 msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID;
3136 msg[4]= (0xD0000000 | size); /* Simple transaction */
3137 msg[5]= virt_to_bus(pHba->hrt); /* Dump it here */
3139 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) {
3140 printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret);
3144 if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) {
3145 size = pHba->hrt->num_entries * pHba->hrt->entry_len << 2;
3149 } while(pHba->hrt == NULL);
3154 * Query one scalar group value or a whole scalar group.
3156 static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
3157 int group, int field, void *buf, int buflen)
3159 u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field };
3164 /* 8 bytes for header */
3165 resblk = kmalloc(sizeof(u8) * (8+buflen), GFP_KERNEL|ADDR32);
3166 if (resblk == NULL) {
3167 printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name);
3171 if (field == -1) /* whole group */
3174 size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid,
3175 opblk, sizeof(opblk), resblk, sizeof(u8)*(8+buflen));
3176 if (size == -ETIME) {
3177 printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name);
3179 } else if (size == -EINTR) {
3180 printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name);
3184 memcpy(buf, resblk+8, buflen); /* cut off header */
3194 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3196 * This function can be used for all UtilParamsGet/Set operations.
3197 * The OperationBlock is given in opblk-buffer,
3198 * and results are returned in resblk-buffer.
3199 * Note that the minimum sized resblk is 8 bytes and contains
3200 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3202 static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
3203 void *opblk, int oplen, void *resblk, int reslen)
3206 u32 *res = (u32 *)resblk;
3209 msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5;
3210 msg[1] = cmd << 24 | HOST_TID << 12 | tid;
3214 msg[5] = 0x54000000 | oplen; /* OperationBlock */
3215 msg[6] = virt_to_bus(opblk);
3216 msg[7] = 0xD0000000 | reslen; /* ResultBlock */
3217 msg[8] = virt_to_bus(resblk);
3219 if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) {
3220 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk);
3221 return wait_status; /* -DetailedStatus */
3224 if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3225 printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3226 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3228 (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET"
3230 res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF);
3231 return -((res[1] >> 16) & 0xFF); /* -BlockStatus */
3234 return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3238 static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba)
3243 adpt_i2o_status_get(pHba);
3245 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3247 if((pHba->status_block->iop_state != ADAPTER_STATE_READY) &&
3248 (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){
3252 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3253 msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID;
3257 if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3258 printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n",
3261 printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit);
3264 adpt_i2o_status_get(pHba);
3270 * Enable IOP. Allows the IOP to resume external operations.
3272 static int adpt_i2o_enable_hba(adpt_hba* pHba)
3277 adpt_i2o_status_get(pHba);
3278 if(!pHba->status_block){
3281 /* Enable only allowed on READY state */
3282 if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL)
3285 if(pHba->status_block->iop_state != ADAPTER_STATE_READY)
3288 msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3289 msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID;
3293 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3294 printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n",
3297 PDEBUG("%s: Enabled.\n", pHba->name);
3300 adpt_i2o_status_get(pHba);
3305 static int adpt_i2o_systab_send(adpt_hba* pHba)
3310 msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6;
3311 msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID;
3314 msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */
3315 msg[5] = 0; /* Segment 0 */
3318 * Provide three SGL-elements:
3319 * System table (SysTab), Private memory space declaration and
3320 * Private i/o space declaration
3322 msg[6] = 0x54000000 | sys_tbl_len;
3323 msg[7] = virt_to_phys(sys_tbl);
3324 msg[8] = 0x54000000 | 0;
3326 msg[10] = 0xD4000000 | 0;
3329 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) {
3330 printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n",
3335 PINFO("%s: SysTab set.\n", pHba->name);
3343 /*============================================================================
3345 *============================================================================
3351 static static void adpt_delay(int millisec)
3354 for (i = 0; i < millisec; i++) {
3355 udelay(1000); /* delay for one millisecond */
3361 static Scsi_Host_Template driver_template = {
3363 .proc_name = "dpt_i2o",
3364 .proc_info = adpt_proc_info,
3365 .detect = adpt_detect,
3366 .release = adpt_release,
3368 .queuecommand = adpt_queue,
3369 .eh_abort_handler = adpt_abort,
3370 .eh_device_reset_handler = adpt_device_reset,
3371 .eh_bus_reset_handler = adpt_bus_reset,
3372 .eh_host_reset_handler = adpt_reset,
3373 .bios_param = adpt_bios_param,
3374 .slave_configure = adpt_slave_configure,
3375 .can_queue = MAX_TO_IOP_MESSAGES,
3378 .use_clustering = ENABLE_CLUSTERING,
3380 #include "scsi_module.c"
3381 MODULE_LICENSE("GPL");