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 /* On the real kernel ADDR32 should always be zero for 2.4. GFP_HIGH allocates
33 high pages. Keep the macro around because of the broken unmerged ia64 tree */
37 #include <linux/version.h>
38 #include <linux/module.h>
40 MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
41 MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
43 ////////////////////////////////////////////////////////////////
45 #include <linux/ioctl.h> /* For SCSI-Passthrough */
46 #include <asm/uaccess.h>
48 #include <linux/stat.h>
49 #include <linux/slab.h> /* for kmalloc() */
50 #include <linux/config.h> /* for CONFIG_PCI */
51 #include <linux/pci.h> /* for PCI support */
52 #include <linux/proc_fs.h>
53 #include <linux/blkdev.h>
54 #include <linux/delay.h> /* for udelay */
55 #include <linux/interrupt.h>
56 #include <linux/kernel.h> /* for printk */
57 #include <linux/sched.h>
58 #include <linux/reboot.h>
59 #include <linux/spinlock.h>
60 #include <linux/smp_lock.h>
62 #include <linux/timer.h>
63 #include <linux/string.h>
64 #include <linux/ioport.h>
66 #include <asm/processor.h> /* for boot_cpu_data */
67 #include <asm/pgtable.h>
68 #include <asm/io.h> /* for virt_to_bus, etc. */
70 #include <scsi/scsi.h>
71 #include <scsi/scsi_cmnd.h>
72 #include <scsi/scsi_device.h>
73 #include <scsi/scsi_host.h>
74 #include <scsi/scsi_tcq.h>
76 #include "dpt/dptsig.h"
79 /*============================================================================
80 * Create a binary signature - this is read by dptsig
81 * Needed for our management apps
82 *============================================================================
84 static dpt_sig_S DPTI_sig = {
85 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION,
87 PROC_INTEL, PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM,
88 #elif defined(__ia64__)
89 PROC_INTEL, PROC_IA64,
90 #elif defined(__sparc__)
91 PROC_ULTRASPARC, PROC_ULTRASPARC,
92 #elif defined(__alpha__)
93 PROC_ALPHA, PROC_ALPHA,
97 FT_HBADRVR, 0, OEM_DPT, OS_LINUX, CAP_OVERLAP, DEV_ALL,
98 ADF_ALL_SC5, 0, 0, DPT_VERSION, DPT_REVISION, DPT_SUBREVISION,
99 DPT_MONTH, DPT_DAY, DPT_YEAR, "Adaptec Linux I2O RAID Driver"
105 /*============================================================================
107 *============================================================================
110 static DECLARE_MUTEX(adpt_configuration_lock);
112 static struct i2o_sys_tbl *sys_tbl = NULL;
113 static int sys_tbl_ind = 0;
114 static int sys_tbl_len = 0;
116 static adpt_hba* hba_chain = NULL;
117 static int hba_count = 0;
119 static struct file_operations adpt_fops = {
122 .release = adpt_close
125 #ifdef REBOOT_NOTIFIER
126 static struct notifier_block adpt_reboot_notifier =
134 /* Structures and definitions for synchronous message posting.
135 * See adpt_i2o_post_wait() for description
137 struct adpt_i2o_post_wait_data
141 adpt_wait_queue_head_t *wq;
142 struct adpt_i2o_post_wait_data *next;
145 static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL;
146 static u32 adpt_post_wait_id = 0;
147 static DEFINE_SPINLOCK(adpt_post_wait_lock);
150 /*============================================================================
152 *============================================================================
155 static u8 adpt_read_blink_led(adpt_hba* host)
157 if(host->FwDebugBLEDflag_P != 0) {
158 if( readb(host->FwDebugBLEDflag_P) == 0xbc ){
159 return readb(host->FwDebugBLEDvalue_P);
165 /*============================================================================
166 * Scsi host template interface functions
167 *============================================================================
170 static struct pci_device_id dptids[] = {
171 { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
172 { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
175 MODULE_DEVICE_TABLE(pci,dptids);
177 static int adpt_detect(struct scsi_host_template* sht)
179 struct pci_dev *pDev = NULL;
184 PINFO("Detecting Adaptec I2O RAID controllers...\n");
186 /* search for all Adatpec I2O RAID cards */
187 while ((pDev = pci_find_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
188 if(pDev->device == PCI_DPT_DEVICE_ID ||
189 pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){
190 if(adpt_install_hba(sht, pDev) ){
191 PERROR("Could not Init an I2O RAID device\n");
192 PERROR("Will not try to detect others.\n");
198 /* In INIT state, Activate IOPs */
199 for (pHba = hba_chain; pHba; pHba = pHba->next) {
200 // Activate does get status , init outbound, and get hrt
201 if (adpt_i2o_activate_hba(pHba) < 0) {
202 adpt_i2o_delete_hba(pHba);
207 /* Active IOPs in HOLD state */
210 if (hba_chain == NULL)
214 * If build_sys_table fails, we kill everything and bail
215 * as we can't init the IOPs w/o a system table
217 if (adpt_i2o_build_sys_table() < 0) {
218 adpt_i2o_sys_shutdown();
222 PDEBUG("HBA's in HOLD state\n");
224 /* If IOP don't get online, we need to rebuild the System table */
225 for (pHba = hba_chain; pHba; pHba = pHba->next) {
226 if (adpt_i2o_online_hba(pHba) < 0) {
227 adpt_i2o_delete_hba(pHba);
228 goto rebuild_sys_tab;
232 /* Active IOPs now in OPERATIONAL state */
233 PDEBUG("HBA's in OPERATIONAL state\n");
235 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
236 for (pHba = hba_chain; pHba; pHba = pHba->next) {
237 printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name);
238 if (adpt_i2o_lct_get(pHba) < 0){
239 adpt_i2o_delete_hba(pHba);
243 if (adpt_i2o_parse_lct(pHba) < 0){
244 adpt_i2o_delete_hba(pHba);
250 for (pHba = hba_chain; pHba; pHba = pHba->next) {
251 if( adpt_scsi_register(pHba,sht) < 0){
252 adpt_i2o_delete_hba(pHba);
255 pHba->initialized = TRUE;
256 pHba->state &= ~DPTI_STATE_RESET;
259 // Register our control device node
260 // nodes will need to be created in /dev to access this
261 // the nodes can not be created from within the driver
262 if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) {
263 adpt_i2o_sys_shutdown();
271 * scsi_unregister will be called AFTER we return.
273 static int adpt_release(struct Scsi_Host *host)
275 adpt_hba* pHba = (adpt_hba*) host->hostdata[0];
276 // adpt_i2o_quiesce_hba(pHba);
277 adpt_i2o_delete_hba(pHba);
278 scsi_unregister(host);
283 static void adpt_inquiry(adpt_hba* pHba)
296 memset(msg, 0, sizeof(msg));
297 buf = (u8*)kmalloc(80,GFP_KERNEL|ADDR32);
299 printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name);
302 memset((void*)buf, 0, 36);
305 direction = 0x00000000;
306 scsidir =0x40000000; // DATA IN (iop<--dev)
308 reqlen = 14; // SINGLE SGE
309 /* Stick the headers on */
310 msg[0] = reqlen<<16 | SGL_OFFSET_12;
311 msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID);
314 // Adaptec/DPT Private stuff
315 msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16;
316 msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/;
317 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
318 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
319 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
320 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
321 msg[6] = scsidir|0x20a00000| 6 /* cmd len*/;
325 memset(scb, 0, sizeof(scb));
326 // Write SCSI command into the message - always 16 byte block
333 // Don't care about the rest of scb
335 memcpy(mptr, scb, sizeof(scb));
337 lenptr=mptr++; /* Remember me - fill in when we know */
339 /* Now fill in the SGList and command */
341 *mptr++ = 0xD0000000|direction|len;
342 *mptr++ = virt_to_bus(buf);
344 // Send it on it's way
345 rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120);
347 sprintf(pHba->detail, "Adaptec I2O RAID");
348 printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode);
349 if (rcode != -ETIME && rcode != -EINTR)
352 memset(pHba->detail, 0, sizeof(pHba->detail));
353 memcpy(&(pHba->detail), "Vendor: Adaptec ", 16);
354 memcpy(&(pHba->detail[16]), " Model: ", 8);
355 memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16);
356 memcpy(&(pHba->detail[40]), " FW: ", 4);
357 memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4);
358 pHba->detail[48] = '\0'; /* precautionary */
361 adpt_i2o_status_get(pHba);
366 static int adpt_slave_configure(struct scsi_device * device)
368 struct Scsi_Host *host = device->host;
371 pHba = (adpt_hba *) host->hostdata[0];
373 if (host->can_queue && device->tagged_supported) {
374 scsi_adjust_queue_depth(device, MSG_SIMPLE_TAG,
375 host->can_queue - 1);
377 scsi_adjust_queue_depth(device, 0, 1);
382 static int adpt_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *))
384 adpt_hba* pHba = NULL;
385 struct adpt_device* pDev = NULL; /* dpt per device information */
386 ulong timeout = jiffies + (TMOUT_SCSI*HZ);
388 cmd->scsi_done = done;
390 * SCSI REQUEST_SENSE commands will be executed automatically by the
391 * Host Adapter for any errors, so they should not be executed
392 * explicitly unless the Sense Data is zero indicating that no error
396 if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) {
397 cmd->result = (DID_OK << 16);
402 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
409 * TODO: I need to block here if I am processing ioctl cmds
410 * but if the outstanding cmds all finish before the ioctl,
411 * the scsi-core will not know to start sending cmds to me again.
412 * I need to a way to restart the scsi-cores queues or should I block
413 * calling scsi_done on the outstanding cmds instead
414 * for now we don't set the IOCTL state
416 if(((pHba->state) & DPTI_STATE_IOCTL) || ((pHba->state) & DPTI_STATE_RESET)) {
417 pHba->host->last_reset = jiffies;
418 pHba->host->resetting = 1;
422 if(cmd->eh_state != SCSI_STATE_QUEUED){
423 // If we are not doing error recovery
424 mod_timer(&cmd->eh_timeout, timeout);
427 // TODO if the cmd->device if offline then I may need to issue a bus rescan
428 // followed by a get_lct to see if the device is there anymore
429 if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) {
431 * First command request for this device. Set up a pointer
432 * to the device structure. This should be a TEST_UNIT_READY
433 * command from scan_scsis_single.
435 if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun)) == NULL) {
436 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
437 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
438 cmd->result = (DID_NO_CONNECT << 16);
442 cmd->device->hostdata = pDev;
444 pDev->pScsi_dev = cmd->device;
447 * If we are being called from when the device is being reset,
448 * delay processing of the command until later.
450 if (pDev->state & DPTI_DEV_RESET ) {
453 return adpt_scsi_to_i2o(pHba, cmd, pDev);
456 static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev,
457 sector_t capacity, int geom[])
463 // *** First lets set the default geometry ****
465 // If the capacity is less than ox2000
466 if (capacity < 0x2000 ) { // floppy
470 // else if between 0x2000 and 0x20000
471 else if (capacity < 0x20000) {
475 // else if between 0x20000 and 0x40000
476 else if (capacity < 0x40000) {
480 // else if between 0x4000 and 0x80000
481 else if (capacity < 0x80000) {
485 // else if greater than 0x80000
490 cylinders = sector_div(capacity, heads * sectors);
492 // Special case if CDROM
493 if(sdev->type == 5) { // CDROM
503 PDEBUG("adpt_bios_param: exit\n");
508 static const char *adpt_info(struct Scsi_Host *host)
512 pHba = (adpt_hba *) host->hostdata[0];
513 return (char *) (pHba->detail);
516 static int adpt_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
517 int length, int inout)
519 struct adpt_device* d;
531 * The user has done a write and wants us to take the
532 * data in the buffer and do something with it.
533 * proc_scsiwrite calls us with inout = 1
535 * Read data from buffer (writing to us) - NOT SUPPORTED
541 * inout = 0 means the user has done a read and wants information
542 * returned, so we write information about the cards into the buffer
543 * proc_scsiread() calls us with inout = 0
546 // Find HBA (host bus adapter) we are looking for
547 down(&adpt_configuration_lock);
548 for (pHba = hba_chain; pHba; pHba = pHba->next) {
549 if (pHba->host == host) {
550 break; /* found adapter */
553 up(&adpt_configuration_lock);
559 len = sprintf(buffer , "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION);
560 len += sprintf(buffer+len, "%s\n", pHba->detail);
561 len += sprintf(buffer+len, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
562 pHba->host->host_no, pHba->name, host->irq);
563 len += sprintf(buffer+len, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
564 host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize);
569 if(pos > offset + length) {
574 * If we haven't even written to where we last left
575 * off (the last time we were called), reset the
581 len += sprintf(buffer+len, "Devices:\n");
582 for(chan = 0; chan < MAX_CHANNEL; chan++) {
583 for(id = 0; id < MAX_ID; id++) {
584 d = pHba->channel[chan].device[id];
586 len += sprintf(buffer+len,"\t%-24.24s", d->pScsi_dev->vendor);
587 len += sprintf(buffer+len," Rev: %-8.8s\n", d->pScsi_dev->rev);
592 if(pos > offset + length) {
600 unit = d->pI2o_dev->lct_data.tid;
601 len += sprintf(buffer+len, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
602 unit, (int)d->scsi_channel, (int)d->scsi_id, (int)d->scsi_lun,
603 scsi_device_online(d->pScsi_dev)? "online":"offline");
607 if(pos > offset + length) {
621 * begin is where we last checked our position with regards to offset
622 * begin is always less than offset. len is relative to begin. It
623 * is the number of bytes written past begin
627 /* stop the output and calculate the correct length */
628 *(buffer + len) = '\0';
630 *start = buffer + (offset - begin); /* Start of wanted data */
631 len -= (offset - begin);
642 /*===========================================================================
643 * Error Handling routines
644 *===========================================================================
647 static int adpt_abort(struct scsi_cmnd * cmd)
649 adpt_hba* pHba = NULL; /* host bus adapter structure */
650 struct adpt_device* dptdevice; /* dpt per device information */
654 if(cmd->serial_number == 0){
657 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
658 printk(KERN_INFO"%s: Trying to Abort cmd=%ld\n",pHba->name, cmd->serial_number);
659 if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) {
660 printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name);
664 memset(msg, 0, sizeof(msg));
665 msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0;
666 msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid;
670 if( (rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER)) != 0){
671 if(rcode == -EOPNOTSUPP ){
672 printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
675 printk(KERN_INFO"%s: Abort cmd=%ld failed.\n",pHba->name, cmd->serial_number);
678 printk(KERN_INFO"%s: Abort cmd=%ld complete.\n",pHba->name, cmd->serial_number);
683 #define I2O_DEVICE_RESET 0x27
684 // This is the same for BLK and SCSI devices
685 // NOTE this is wrong in the i2o.h definitions
686 // This is not currently supported by our adapter but we issue it anyway
687 static int adpt_device_reset(struct scsi_cmnd* cmd)
693 struct adpt_device* d = (void*) cmd->device->hostdata;
695 pHba = (void*) cmd->device->host->hostdata[0];
696 printk(KERN_INFO"%s: Trying to reset device\n",pHba->name);
698 printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name);
701 memset(msg, 0, sizeof(msg));
702 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
703 msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid);
707 old_state = d->state;
708 d->state |= DPTI_DEV_RESET;
709 if( (rcode = adpt_i2o_post_wait(pHba, (void*)msg,sizeof(msg), FOREVER)) ){
710 d->state = old_state;
711 if(rcode == -EOPNOTSUPP ){
712 printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
715 printk(KERN_INFO"%s: Device reset failed\n",pHba->name);
718 d->state = old_state;
719 printk(KERN_INFO"%s: Device reset successful\n",pHba->name);
725 #define I2O_HBA_BUS_RESET 0x87
726 // This version of bus reset is called by the eh_error handler
727 static int adpt_bus_reset(struct scsi_cmnd* cmd)
732 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
733 memset(msg, 0, sizeof(msg));
734 printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid );
735 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
736 msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid);
739 if(adpt_i2o_post_wait(pHba, (void*)msg,sizeof(msg), FOREVER) ){
740 printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name);
743 printk(KERN_WARNING"%s: Bus reset success.\n",pHba->name);
748 // This version of reset is called by the eh_error_handler
749 static int adpt_reset(struct scsi_cmnd* cmd)
753 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
754 printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n",pHba->name,cmd->device->channel,pHba->channel[cmd->device->channel].tid );
755 rcode = adpt_hba_reset(pHba);
757 printk(KERN_WARNING"%s: HBA reset complete\n",pHba->name);
760 printk(KERN_WARNING"%s: HBA reset failed (%x)\n",pHba->name, rcode);
765 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
766 static int adpt_hba_reset(adpt_hba* pHba)
770 pHba->state |= DPTI_STATE_RESET;
772 // Activate does get status , init outbound, and get hrt
773 if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) {
774 printk(KERN_ERR "%s: Could not activate\n", pHba->name);
775 adpt_i2o_delete_hba(pHba);
779 if ((rcode=adpt_i2o_build_sys_table()) < 0) {
780 adpt_i2o_delete_hba(pHba);
783 PDEBUG("%s: in HOLD state\n",pHba->name);
785 if ((rcode=adpt_i2o_online_hba(pHba)) < 0) {
786 adpt_i2o_delete_hba(pHba);
789 PDEBUG("%s: in OPERATIONAL state\n",pHba->name);
791 if ((rcode=adpt_i2o_lct_get(pHba)) < 0){
792 adpt_i2o_delete_hba(pHba);
796 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){
797 adpt_i2o_delete_hba(pHba);
800 pHba->state &= ~DPTI_STATE_RESET;
802 adpt_fail_posted_scbs(pHba);
803 return 0; /* return success */
806 /*===========================================================================
808 *===========================================================================
812 static void adpt_i2o_sys_shutdown(void)
814 adpt_hba *pHba, *pNext;
815 struct adpt_i2o_post_wait_data *p1, *p2;
817 printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n");
818 printk(KERN_INFO" This could take a few minutes if there are many devices attached\n");
819 /* Delete all IOPs from the controller chain */
820 /* They should have already been released by the
823 for (pHba = hba_chain; pHba; pHba = pNext) {
825 adpt_i2o_delete_hba(pHba);
828 /* Remove any timedout entries from the wait queue. */
830 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
831 /* Nothing should be outstanding at this point so just
834 for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p2->next) {
837 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
838 adpt_post_wait_queue = NULL;
840 printk(KERN_INFO "Adaptec I2O controllers down.\n");
844 * reboot/shutdown notification.
846 * - Quiesce each IOP in the system
850 #ifdef REBOOT_NOTIFIER
851 static int adpt_reboot_event(struct notifier_block *n, ulong code, void *p)
854 if(code != SYS_RESTART && code != SYS_HALT && code != SYS_POWER_OFF)
857 adpt_i2o_sys_shutdown();
864 static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev)
867 adpt_hba* pHba = NULL;
869 ulong base_addr0_phys = 0;
870 ulong base_addr1_phys = 0;
871 u32 hba_map0_area_size = 0;
872 u32 hba_map1_area_size = 0;
873 void __iomem *base_addr_virt = NULL;
874 void __iomem *msg_addr_virt = NULL;
876 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 = ioremap(base_addr0_phys,hba_map0_area_size);
908 if (!base_addr_virt) {
909 PERROR("dpti: adpt_config_hba: io remap failed\n");
913 if(raptorFlag == TRUE) {
914 msg_addr_virt = ioremap(base_addr1_phys, hba_map1_area_size );
915 if (!msg_addr_virt) {
916 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
917 iounmap(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(msg_addr_virt);
930 iounmap(base_addr_virt);
933 memset(pHba, 0, sizeof(adpt_hba));
935 down(&adpt_configuration_lock);
937 if(hba_chain != NULL){
938 for(p = hba_chain; p->next; p = p->next);
944 pHba->unit = hba_count;
945 sprintf(pHba->name, "dpti%d", hba_count);
948 up(&adpt_configuration_lock);
951 pHba->base_addr_phys = base_addr0_phys;
953 // Set up the Virtual Base Address of the I2O Device
954 pHba->base_addr_virt = base_addr_virt;
955 pHba->msg_addr_virt = msg_addr_virt;
956 pHba->irq_mask = base_addr_virt+0x30;
957 pHba->post_port = base_addr_virt+0x40;
958 pHba->reply_port = base_addr_virt+0x44;
963 pHba->status_block = NULL;
964 pHba->post_count = 0;
965 pHba->state = DPTI_STATE_RESET;
967 pHba->devices = NULL;
969 // Initializing the spinlocks
970 spin_lock_init(&pHba->state_lock);
971 spin_lock_init(&adpt_post_wait_lock);
974 printk(KERN_INFO"Adaptec I2O RAID controller %d at %p size=%x irq=%d\n",
975 hba_count-1, base_addr_virt, hba_map0_area_size, pDev->irq);
977 printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d\n",hba_count-1, pDev->irq);
978 printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size);
979 printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size);
982 if (request_irq (pDev->irq, adpt_isr, SA_SHIRQ, pHba->name, pHba)) {
983 printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq);
984 adpt_i2o_delete_hba(pHba);
992 static void adpt_i2o_delete_hba(adpt_hba* pHba)
996 struct i2o_device* d;
997 struct i2o_device* next;
1000 struct adpt_device* pDev;
1001 struct adpt_device* pNext;
1004 down(&adpt_configuration_lock);
1005 // scsi_unregister calls our adpt_release which
1008 free_irq(pHba->host->irq, pHba);
1011 for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){
1014 p2->next = p1->next;
1016 hba_chain = p1->next;
1023 up(&adpt_configuration_lock);
1025 iounmap(pHba->base_addr_virt);
1026 if(pHba->msg_addr_virt != pHba->base_addr_virt){
1027 iounmap(pHba->msg_addr_virt);
1035 if(pHba->status_block) {
1036 kfree(pHba->status_block);
1038 if(pHba->reply_pool){
1039 kfree(pHba->reply_pool);
1042 for(d = pHba->devices; d ; d = next){
1046 for(i = 0 ; i < pHba->top_scsi_channel ; i++){
1047 for(j = 0; j < MAX_ID; j++){
1048 if(pHba->channel[i].device[j] != NULL){
1049 for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){
1050 pNext = pDev->next_lun;
1059 unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER);
1064 static int adpt_init(void)
1066 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
1067 #ifdef REBOOT_NOTIFIER
1068 register_reboot_notifier(&adpt_reboot_notifier);
1075 static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun)
1077 struct adpt_device* d;
1079 if(chan < 0 || chan >= MAX_CHANNEL)
1082 if( pHba->channel[chan].device == NULL){
1083 printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1087 d = pHba->channel[chan].device[id];
1088 if(!d || d->tid == 0) {
1092 /* If it is the only lun at that address then this should match*/
1093 if(d->scsi_lun == lun){
1097 /* else we need to look through all the luns */
1098 for(d=d->next_lun ; d ; d = d->next_lun){
1099 if(d->scsi_lun == lun){
1107 static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
1109 // I used my own version of the WAIT_QUEUE_HEAD
1110 // to handle some version differences
1111 // When embedded in the kernel this could go back to the vanilla one
1112 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post);
1115 struct adpt_i2o_post_wait_data *p1, *p2;
1116 struct adpt_i2o_post_wait_data *wait_data =
1117 kmalloc(sizeof(struct adpt_i2o_post_wait_data),GFP_KERNEL);
1118 adpt_wait_queue_t wait;
1124 * The spin locking is needed to keep anyone from playing
1125 * with the queue pointers and id while we do the same
1127 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1128 // TODO we need a MORE unique way of getting ids
1129 // to support async LCT get
1130 wait_data->next = adpt_post_wait_queue;
1131 adpt_post_wait_queue = wait_data;
1132 adpt_post_wait_id++;
1133 adpt_post_wait_id &= 0x7fff;
1134 wait_data->id = adpt_post_wait_id;
1135 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1137 wait_data->wq = &adpt_wq_i2o_post;
1138 wait_data->status = -ETIMEDOUT;
1140 // this code is taken from kernel/sched.c:interruptible_sleep_on_timeout
1141 wait.task = current;
1142 init_waitqueue_entry(&wait, current);
1143 spin_lock_irqsave(&adpt_wq_i2o_post.lock, flags);
1144 __add_wait_queue(&adpt_wq_i2o_post, &wait);
1145 spin_unlock(&adpt_wq_i2o_post.lock);
1147 msg[2] |= 0x80000000 | ((u32)wait_data->id);
1149 if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){
1150 set_current_state(TASK_INTERRUPTIBLE);
1152 spin_unlock_irq(pHba->host->host_lock);
1156 timeout = schedule_timeout(timeout);
1158 // I/O issued, but cannot get result in
1159 // specified time. Freeing resorces is
1165 spin_lock_irq(pHba->host->host_lock);
1167 spin_lock_irq(&adpt_wq_i2o_post.lock);
1168 __remove_wait_queue(&adpt_wq_i2o_post, &wait);
1169 spin_unlock_irqrestore(&adpt_wq_i2o_post.lock, flags);
1171 if(status == -ETIMEDOUT){
1172 printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit);
1173 // We will have to free the wait_data memory during shutdown
1177 /* Remove the entry from the queue. */
1179 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1180 for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) {
1181 if(p1 == wait_data) {
1182 if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) {
1183 status = -EOPNOTSUPP;
1186 p2->next = p1->next;
1188 adpt_post_wait_queue = p1->next;
1193 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1201 static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len)
1204 u32 m = EMPTY_QUEUE;
1206 ulong timeout = jiffies + 30*HZ;
1209 m = readl(pHba->post_port);
1210 if (m != EMPTY_QUEUE) {
1213 if(time_after(jiffies,timeout)){
1214 printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit);
1217 set_current_state(TASK_UNINTERRUPTIBLE);
1218 schedule_timeout(1);
1219 } while(m == EMPTY_QUEUE);
1221 msg = pHba->msg_addr_virt + m;
1222 memcpy_toio(msg, data, len);
1226 writel(m, pHba->post_port);
1233 static void adpt_i2o_post_wait_complete(u32 context, int status)
1235 struct adpt_i2o_post_wait_data *p1 = NULL;
1237 * We need to search through the adpt_post_wait
1238 * queue to see if the given message is still
1239 * outstanding. If not, it means that the IOP
1240 * took longer to respond to the message than we
1241 * had allowed and timer has already expired.
1242 * Not much we can do about that except log
1243 * it for debug purposes, increase timeout, and recompile
1245 * Lock needed to keep anyone from moving queue pointers
1246 * around while we're looking through them.
1251 spin_lock(&adpt_post_wait_lock);
1252 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1253 if(p1->id == context) {
1254 p1->status = status;
1255 spin_unlock(&adpt_post_wait_lock);
1256 wake_up_interruptible(p1->wq);
1260 spin_unlock(&adpt_post_wait_lock);
1261 // If this happens we lose commands that probably really completed
1262 printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context);
1263 printk(KERN_DEBUG" Tasks in wait queue:\n");
1264 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1265 printk(KERN_DEBUG" %d\n",p1->id);
1270 static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
1274 u32 m = EMPTY_QUEUE ;
1275 ulong timeout = jiffies + (TMOUT_IOPRESET*HZ);
1277 if(pHba->initialized == FALSE) { // First time reset should be quick
1278 timeout = jiffies + (25*HZ);
1280 adpt_i2o_quiesce_hba(pHba);
1285 m = readl(pHba->post_port);
1286 if (m != EMPTY_QUEUE) {
1289 if(time_after(jiffies,timeout)){
1290 printk(KERN_WARNING"Timeout waiting for message!\n");
1293 set_current_state(TASK_UNINTERRUPTIBLE);
1294 schedule_timeout(1);
1295 } while (m == EMPTY_QUEUE);
1297 status = (u8*)kmalloc(4, GFP_KERNEL|ADDR32);
1298 if(status == NULL) {
1299 adpt_send_nop(pHba, m);
1300 printk(KERN_ERR"IOP reset failed - no free memory.\n");
1305 msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0;
1306 msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID;
1311 msg[6]=virt_to_bus(status);
1314 memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg));
1316 writel(m, pHba->post_port);
1319 while(*status == 0){
1320 if(time_after(jiffies,timeout)){
1321 printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name);
1326 set_current_state(TASK_UNINTERRUPTIBLE);
1327 schedule_timeout(1);
1330 if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1331 PDEBUG("%s: Reset in progress...\n", pHba->name);
1332 // Here we wait for message frame to become available
1333 // indicated that reset has finished
1336 m = readl(pHba->post_port);
1337 if (m != EMPTY_QUEUE) {
1340 if(time_after(jiffies,timeout)){
1341 printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name);
1344 set_current_state(TASK_UNINTERRUPTIBLE);
1345 schedule_timeout(1);
1346 } while (m == EMPTY_QUEUE);
1348 adpt_send_nop(pHba, m);
1350 adpt_i2o_status_get(pHba);
1351 if(*status == 0x02 ||
1352 pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
1353 printk(KERN_WARNING"%s: Reset reject, trying to clear\n",
1356 PDEBUG("%s: Reset completed.\n", pHba->name);
1361 // This delay is to allow someone attached to the card through the debug UART to
1362 // set up the dump levels that they want before the rest of the initialization sequence
1369 static int adpt_i2o_parse_lct(adpt_hba* pHba)
1374 struct i2o_device *d;
1375 i2o_lct *lct = pHba->lct;
1379 u32 buf[10]; // larger than 7, or 8 ...
1380 struct adpt_device* pDev;
1383 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
1387 max = lct->table_size;
1391 for(i=0;i<max;i++) {
1392 if( lct->lct_entry[i].user_tid != 0xfff){
1394 * If we have hidden devices, we need to inform the upper layers about
1395 * the possible maximum id reference to handle device access when
1396 * an array is disassembled. This code has no other purpose but to
1397 * allow us future access to devices that are currently hidden
1398 * behind arrays, hotspares or have not been configured (JBOD mode).
1400 if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE &&
1401 lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL &&
1402 lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1405 tid = lct->lct_entry[i].tid;
1406 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1407 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
1410 bus_no = buf[0]>>16;
1412 scsi_lun = (buf[2]>>8 )&0xff;
1413 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1414 printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no);
1417 if (scsi_id >= MAX_ID){
1418 printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no);
1421 if(bus_no > pHba->top_scsi_channel){
1422 pHba->top_scsi_channel = bus_no;
1424 if(scsi_id > pHba->top_scsi_id){
1425 pHba->top_scsi_id = scsi_id;
1427 if(scsi_lun > pHba->top_scsi_lun){
1428 pHba->top_scsi_lun = scsi_lun;
1432 d = (struct i2o_device *)kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
1435 printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name);
1439 d->controller = (void*)pHba;
1442 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
1445 tid = d->lct_data.tid;
1446 adpt_i2o_report_hba_unit(pHba, d);
1447 adpt_i2o_install_device(pHba, d);
1450 for(d = pHba->devices; d ; d = d->next) {
1451 if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT ||
1452 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){
1453 tid = d->lct_data.tid;
1454 // TODO get the bus_no from hrt-but for now they are in order
1456 if(bus_no > pHba->top_scsi_channel){
1457 pHba->top_scsi_channel = bus_no;
1459 pHba->channel[bus_no].type = d->lct_data.class_id;
1460 pHba->channel[bus_no].tid = tid;
1461 if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0)
1463 pHba->channel[bus_no].scsi_id = buf[1];
1464 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]);
1466 // TODO remove - this is just until we get from hrt
1468 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1469 printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no);
1475 // Setup adpt_device table
1476 for(d = pHba->devices; d ; d = d->next) {
1477 if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
1478 d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL ||
1479 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1481 tid = d->lct_data.tid;
1483 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1484 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) {
1485 bus_no = buf[0]>>16;
1487 scsi_lun = (buf[2]>>8 )&0xff;
1488 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1491 if (scsi_id >= MAX_ID) {
1494 if( pHba->channel[bus_no].device[scsi_id] == NULL){
1495 pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
1499 pHba->channel[bus_no].device[scsi_id] = pDev;
1500 memset(pDev,0,sizeof(struct adpt_device));
1502 for( pDev = pHba->channel[bus_no].device[scsi_id];
1503 pDev->next_lun; pDev = pDev->next_lun){
1505 pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
1506 if(pDev->next_lun == NULL) {
1509 memset(pDev->next_lun,0,sizeof(struct adpt_device));
1510 pDev = pDev->next_lun;
1513 pDev->scsi_channel = bus_no;
1514 pDev->scsi_id = scsi_id;
1515 pDev->scsi_lun = scsi_lun;
1518 pDev->type = (buf[0])&0xff;
1519 pDev->flags = (buf[0]>>8)&0xff;
1520 if(scsi_id > pHba->top_scsi_id){
1521 pHba->top_scsi_id = scsi_id;
1523 if(scsi_lun > pHba->top_scsi_lun){
1524 pHba->top_scsi_lun = scsi_lun;
1528 printk(KERN_WARNING"Could not find SCSI ID for %s\n",
1529 d->lct_data.identity_tag);
1538 * Each I2O controller has a chain of devices on it - these match
1539 * the useful parts of the LCT of the board.
1542 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
1544 down(&adpt_configuration_lock);
1547 d->next=pHba->devices;
1549 if (pHba->devices != NULL){
1550 pHba->devices->prev=d;
1555 up(&adpt_configuration_lock);
1559 static int adpt_open(struct inode *inode, struct file *file)
1564 //TODO check for root access
1566 minor = iminor(inode);
1567 if (minor >= hba_count) {
1570 down(&adpt_configuration_lock);
1571 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1572 if (pHba->unit == minor) {
1573 break; /* found adapter */
1577 up(&adpt_configuration_lock);
1581 // if(pHba->in_use){
1582 // up(&adpt_configuration_lock);
1587 up(&adpt_configuration_lock);
1592 static int adpt_close(struct inode *inode, struct file *file)
1597 minor = iminor(inode);
1598 if (minor >= hba_count) {
1601 down(&adpt_configuration_lock);
1602 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1603 if (pHba->unit == minor) {
1604 break; /* found adapter */
1607 up(&adpt_configuration_lock);
1618 static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg)
1620 u32 msg[MAX_MESSAGE_SIZE];
1624 u32 __user *user_msg = arg;
1625 u32 __user * user_reply = NULL;
1626 void *sg_list[pHba->sg_tablesize];
1635 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1636 // get user msg size in u32s
1637 if(get_user(size, &user_msg[0])){
1642 user_reply = &user_msg[size];
1643 if(size > MAX_MESSAGE_SIZE){
1646 size *= 4; // Convert to bytes
1648 /* Copy in the user's I2O command */
1649 if(copy_from_user(msg, user_msg, size)) {
1652 get_user(reply_size, &user_reply[0]);
1653 reply_size = reply_size>>16;
1654 if(reply_size > REPLY_FRAME_SIZE){
1655 reply_size = REPLY_FRAME_SIZE;
1658 reply = kmalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
1660 printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name);
1663 memset(reply,0,REPLY_FRAME_SIZE*4);
1664 sg_offset = (msg[0]>>4)&0xf;
1665 msg[2] = 0x40000000; // IOCTL context
1666 msg[3] = (u32)reply;
1667 memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize);
1670 struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset);
1671 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1672 if (sg_count > pHba->sg_tablesize){
1673 printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count);
1678 for(i = 0; i < sg_count; i++) {
1681 if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1682 printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count);
1686 sg_size = sg[i].flag_count & 0xffffff;
1687 /* Allocate memory for the transfer */
1688 p = kmalloc(sg_size, GFP_KERNEL|ADDR32);
1690 printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1691 pHba->name,sg_size,i,sg_count);
1695 sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
1696 /* Copy in the user's SG buffer if necessary */
1697 if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1699 if (copy_from_user(p,(void __user *)sg[i].addr_bus, sg_size)) {
1700 printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i);
1706 sg[i].addr_bus = (u32)virt_to_bus(p);
1712 spin_lock_irqsave(pHba->host->host_lock, flags);
1713 // This state stops any new commands from enterring the
1714 // controller while processing the ioctl
1715 // pHba->state |= DPTI_STATE_IOCTL;
1716 // We can't set this now - The scsi subsystem sets host_blocked and
1717 // the queue empties and stops. We need a way to restart the queue
1718 rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER);
1720 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1722 // pHba->state &= ~DPTI_STATE_IOCTL;
1724 spin_unlock_irqrestore(pHba->host->host_lock, flags);
1725 } while(rcode == -ETIMEDOUT);
1732 /* Copy back the Scatter Gather buffers back to user space */
1735 struct sg_simple_element* sg;
1738 // re-acquire the original message to handle correctly the sg copy operation
1739 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1740 // get user msg size in u32s
1741 if(get_user(size, &user_msg[0])){
1747 /* Copy in the user's I2O command */
1748 if (copy_from_user (msg, user_msg, size)) {
1752 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1755 sg = (struct sg_simple_element*)(msg + sg_offset);
1756 for (j = 0; j < sg_count; j++) {
1757 /* Copy out the SG list to user's buffer if necessary */
1758 if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1759 sg_size = sg[j].flag_count & 0xffffff;
1761 if (copy_to_user((void __user *)sg[j].addr_bus,sg_list[j], sg_size)) {
1762 printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus);
1770 /* Copy back the reply to user space */
1772 // we wrote our own values for context - now restore the user supplied ones
1773 if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) {
1774 printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name);
1777 if(copy_to_user(user_reply, reply, reply_size)) {
1778 printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name);
1785 if (rcode != -ETIME && rcode != -EINTR)
1788 if(sg_list[--sg_index]) {
1789 if (rcode != -ETIME && rcode != -EINTR)
1790 kfree(sg_list[sg_index]);
1798 * This routine returns information about the system. This does not effect
1799 * any logic and if the info is wrong - it doesn't matter.
1802 /* Get all the info we can not get from kernel services */
1803 static int adpt_system_info(void __user *buffer)
1807 memset(&si, 0, sizeof(si));
1809 si.osType = OS_LINUX;
1810 si.osMajorVersion = (u8) (LINUX_VERSION_CODE >> 16);
1811 si.osMinorVersion = (u8) (LINUX_VERSION_CODE >> 8 & 0x0ff);
1812 si.osRevision = (u8) (LINUX_VERSION_CODE & 0x0ff);
1813 si.busType = SI_PCI_BUS;
1814 si.processorFamily = DPTI_sig.dsProcessorFamily;
1816 #if defined __i386__
1817 adpt_i386_info(&si);
1818 #elif defined (__ia64__)
1819 adpt_ia64_info(&si);
1820 #elif defined(__sparc__)
1821 adpt_sparc_info(&si);
1822 #elif defined (__alpha__)
1823 adpt_alpha_info(&si);
1825 si.processorType = 0xff ;
1827 if(copy_to_user(buffer, &si, sizeof(si))){
1828 printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
1835 #if defined __ia64__
1836 static void adpt_ia64_info(sysInfo_S* si)
1838 // This is all the info we need for now
1839 // We will add more info as our new
1840 // managmenent utility requires it
1841 si->processorType = PROC_IA64;
1846 #if defined __sparc__
1847 static void adpt_sparc_info(sysInfo_S* si)
1849 // This is all the info we need for now
1850 // We will add more info as our new
1851 // managmenent utility requires it
1852 si->processorType = PROC_ULTRASPARC;
1856 #if defined __alpha__
1857 static void adpt_alpha_info(sysInfo_S* si)
1859 // This is all the info we need for now
1860 // We will add more info as our new
1861 // managmenent utility requires it
1862 si->processorType = PROC_ALPHA;
1866 #if defined __i386__
1868 static void adpt_i386_info(sysInfo_S* si)
1870 // This is all the info we need for now
1871 // We will add more info as our new
1872 // managmenent utility requires it
1873 switch (boot_cpu_data.x86) {
1875 si->processorType = PROC_386;
1878 si->processorType = PROC_486;
1881 si->processorType = PROC_PENTIUM;
1883 default: // Just in case
1884 si->processorType = PROC_PENTIUM;
1892 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
1899 void __user *argp = (void __user *)arg;
1901 minor = iminor(inode);
1902 if (minor >= DPTI_MAX_HBA){
1905 down(&adpt_configuration_lock);
1906 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1907 if (pHba->unit == minor) {
1908 break; /* found adapter */
1911 up(&adpt_configuration_lock);
1916 while((volatile u32) pHba->state & DPTI_STATE_RESET ) {
1917 set_task_state(current,TASK_UNINTERRUPTIBLE);
1918 schedule_timeout(2);
1923 // TODO: handle 3 cases
1925 if (copy_to_user(argp, &DPTI_sig, sizeof(DPTI_sig))) {
1930 return adpt_i2o_passthru(pHba, argp);
1933 drvrHBAinfo_S HbaInfo;
1935 #define FLG_OSD_PCI_VALID 0x0001
1936 #define FLG_OSD_DMA 0x0002
1937 #define FLG_OSD_I2O 0x0004
1938 memset(&HbaInfo, 0, sizeof(HbaInfo));
1939 HbaInfo.drvrHBAnum = pHba->unit;
1940 HbaInfo.baseAddr = (ulong) pHba->base_addr_phys;
1941 HbaInfo.blinkState = adpt_read_blink_led(pHba);
1942 HbaInfo.pciBusNum = pHba->pDev->bus->number;
1943 HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn);
1944 HbaInfo.Interrupt = pHba->pDev->irq;
1945 HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O;
1946 if(copy_to_user(argp, &HbaInfo, sizeof(HbaInfo))){
1947 printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name);
1953 return adpt_system_info(argp);
1956 value = (u32)adpt_read_blink_led(pHba);
1957 if (copy_to_user(argp, &value, sizeof(value))) {
1964 spin_lock_irqsave(pHba->host->host_lock, flags);
1965 adpt_hba_reset(pHba);
1967 spin_unlock_irqrestore(pHba->host->host_lock, flags);
1980 static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs)
1982 struct scsi_cmnd* cmd;
1983 adpt_hba* pHba = dev_id;
1992 printk(KERN_WARNING"adpt_isr: NULL dev_id\n");
1996 spin_lock_irqsave(pHba->host->host_lock, flags);
1998 while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) {
1999 m = readl(pHba->reply_port);
2000 if(m == EMPTY_QUEUE){
2001 // Try twice then give up
2003 m = readl(pHba->reply_port);
2004 if(m == EMPTY_QUEUE){
2005 // This really should not happen
2006 printk(KERN_ERR"dpti: Could not get reply frame\n");
2010 reply = (ulong)bus_to_virt(m);
2012 if (readl(reply) & MSG_FAIL) {
2013 u32 old_m = readl(reply+28);
2016 PDEBUG("%s: Failed message\n",pHba->name);
2017 if(old_m >= 0x100000){
2018 printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m);
2019 writel(m,pHba->reply_port);
2022 // Transaction context is 0 in failed reply frame
2023 msg = (ulong)(pHba->msg_addr_virt + old_m);
2024 old_context = readl(msg+12);
2025 writel(old_context, reply+12);
2026 adpt_send_nop(pHba, old_m);
2028 context = readl(reply+8);
2029 if(context & 0x40000000){ // IOCTL
2030 ulong p = (ulong)(readl(reply+12));
2032 memcpy((void*)p, (void*)reply, REPLY_FRAME_SIZE * 4);
2034 // All IOCTLs will also be post wait
2036 if(context & 0x80000000){ // Post wait message
2037 status = readl(reply+16);
2039 status &= 0xffff; /* Get detail status */
2041 status = I2O_POST_WAIT_OK;
2043 if(!(context & 0x40000000)) {
2044 cmd = (struct scsi_cmnd*) readl(reply+12);
2046 printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context);
2049 adpt_i2o_post_wait_complete(context, status);
2050 } else { // SCSI message
2051 cmd = (struct scsi_cmnd*) readl(reply+12);
2053 if(cmd->serial_number != 0) { // If not timedout
2054 adpt_i2o_to_scsi(reply, cmd);
2058 writel(m, pHba->reply_port);
2064 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2065 return IRQ_RETVAL(handled);
2068 static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* d)
2071 u32 msg[MAX_MESSAGE_SIZE];
2080 memset(msg, 0 , sizeof(msg));
2081 len = cmd->request_bufflen;
2082 direction = 0x00000000;
2084 scsidir = 0x00000000; // DATA NO XFER
2087 * Set SCBFlags to indicate if data is being transferred
2088 * in or out, or no data transfer
2089 * Note: Do not have to verify index is less than 0 since
2090 * cmd->cmnd[0] is an unsigned char
2092 switch(cmd->sc_data_direction){
2093 case DMA_FROM_DEVICE:
2094 scsidir =0x40000000; // DATA IN (iop<--dev)
2097 direction=0x04000000; // SGL OUT
2098 scsidir =0x80000000; // DATA OUT (iop-->dev)
2102 case DMA_BIDIRECTIONAL:
2103 scsidir =0x40000000; // DATA IN (iop<--dev)
2104 // Assume In - and continue;
2107 printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n",
2108 pHba->name, cmd->cmnd[0]);
2109 cmd->result = (DID_OK <<16) | (INITIATOR_ERROR << 8);
2110 cmd->scsi_done(cmd);
2114 // msg[0] is set later
2115 // I2O_CMD_SCSI_EXEC
2116 msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid);
2118 msg[3] = (u32)cmd; /* We want the SCSI control block back */
2119 // Our cards use the transaction context as the tag for queueing
2120 // Adaptec/DPT Private stuff
2121 msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16);
2123 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2124 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2125 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2126 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2127 msg[6] = scsidir|0x20a00000|cmd->cmd_len;
2131 // Write SCSI command into the message - always 16 byte block
2132 memset(mptr, 0, 16);
2133 memcpy(mptr, cmd->cmnd, cmd->cmd_len);
2135 lenptr=mptr++; /* Remember me - fill in when we know */
2136 reqlen = 14; // SINGLE SGE
2137 /* Now fill in the SGList and command */
2139 struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
2140 int sg_count = pci_map_sg(pHba->pDev, sg, cmd->use_sg,
2141 cmd->sc_data_direction);
2145 for(i = 0 ; i < sg_count; i++) {
2146 *mptr++ = direction|0x10000000|sg_dma_len(sg);
2147 len+=sg_dma_len(sg);
2148 *mptr++ = sg_dma_address(sg);
2151 /* Make this an end of list */
2152 mptr[-2] = direction|0xD0000000|sg_dma_len(sg-1);
2153 reqlen = mptr - msg;
2156 if(cmd->underflow && len != cmd->underflow){
2157 printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n",
2158 len, cmd->underflow);
2161 *lenptr = len = cmd->request_bufflen;
2165 *mptr++ = 0xD0000000|direction|cmd->request_bufflen;
2166 *mptr++ = pci_map_single(pHba->pDev,
2167 cmd->request_buffer,
2168 cmd->request_bufflen,
2169 cmd->sc_data_direction);
2173 /* Stick the headers on */
2174 msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0);
2176 // Send it on it's way
2177 rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2);
2185 static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht)
2187 struct Scsi_Host *host = NULL;
2189 host = scsi_register(sht, sizeof(adpt_hba*));
2191 printk ("%s: scsi_register returned NULL\n",pHba->name);
2194 host->hostdata[0] = (unsigned long)pHba;
2197 host->irq = pHba->pDev->irq;
2198 /* no IO ports, so don't have to set host->io_port and
2202 host->n_io_port = 0;
2203 /* see comments in hosts.h */
2205 host->max_lun = 256;
2206 host->max_channel = pHba->top_scsi_channel + 1;
2207 host->cmd_per_lun = 1;
2208 host->unique_id = (uint) pHba;
2209 host->sg_tablesize = pHba->sg_tablesize;
2210 host->can_queue = pHba->post_fifo_size;
2216 static s32 adpt_i2o_to_scsi(ulong reply, struct scsi_cmnd* cmd)
2221 u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits
2222 // I know this would look cleaner if I just read bytes
2223 // but the model I have been using for all the rest of the
2224 // io is in 4 byte words - so I keep that model
2225 u16 detailed_status = readl(reply+16) &0xffff;
2226 dev_status = (detailed_status & 0xff);
2227 hba_status = detailed_status >> 8;
2229 // calculate resid for sg
2230 cmd->resid = cmd->request_bufflen - readl(reply+5);
2232 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
2234 cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false
2236 if(!(reply_flags & MSG_FAIL)) {
2237 switch(detailed_status & I2O_SCSI_DSC_MASK) {
2238 case I2O_SCSI_DSC_SUCCESS:
2239 cmd->result = (DID_OK << 16);
2241 if(readl(reply+5) < cmd->underflow ) {
2242 cmd->result = (DID_ERROR <<16);
2243 printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name);
2246 case I2O_SCSI_DSC_REQUEST_ABORTED:
2247 cmd->result = (DID_ABORT << 16);
2249 case I2O_SCSI_DSC_PATH_INVALID:
2250 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT:
2251 case I2O_SCSI_DSC_SELECTION_TIMEOUT:
2252 case I2O_SCSI_DSC_COMMAND_TIMEOUT:
2253 case I2O_SCSI_DSC_NO_ADAPTER:
2254 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE:
2255 printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2256 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]);
2257 cmd->result = (DID_TIME_OUT << 16);
2259 case I2O_SCSI_DSC_ADAPTER_BUSY:
2260 case I2O_SCSI_DSC_BUS_BUSY:
2261 cmd->result = (DID_BUS_BUSY << 16);
2263 case I2O_SCSI_DSC_SCSI_BUS_RESET:
2264 case I2O_SCSI_DSC_BDR_MESSAGE_SENT:
2265 cmd->result = (DID_RESET << 16);
2267 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE:
2268 printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name);
2269 cmd->result = (DID_PARITY << 16);
2271 case I2O_SCSI_DSC_UNABLE_TO_ABORT:
2272 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR:
2273 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE:
2274 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED:
2275 case I2O_SCSI_DSC_AUTOSENSE_FAILED:
2276 case I2O_SCSI_DSC_DATA_OVERRUN:
2277 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE:
2278 case I2O_SCSI_DSC_SEQUENCE_FAILURE:
2279 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR:
2280 case I2O_SCSI_DSC_PROVIDE_FAILURE:
2281 case I2O_SCSI_DSC_REQUEST_TERMINATED:
2282 case I2O_SCSI_DSC_IDE_MESSAGE_SENT:
2283 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT:
2284 case I2O_SCSI_DSC_MESSAGE_RECEIVED:
2285 case I2O_SCSI_DSC_INVALID_CDB:
2286 case I2O_SCSI_DSC_LUN_INVALID:
2287 case I2O_SCSI_DSC_SCSI_TID_INVALID:
2288 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE:
2289 case I2O_SCSI_DSC_NO_NEXUS:
2290 case I2O_SCSI_DSC_CDB_RECEIVED:
2291 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED:
2292 case I2O_SCSI_DSC_QUEUE_FROZEN:
2293 case I2O_SCSI_DSC_REQUEST_INVALID:
2295 printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2296 pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun,
2297 hba_status, dev_status, cmd->cmnd[0]);
2298 cmd->result = (DID_ERROR << 16);
2302 // copy over the request sense data if it was a check
2304 if(dev_status == 0x02 /*CHECK_CONDITION*/) {
2305 u32 len = sizeof(cmd->sense_buffer);
2306 len = (len > 40) ? 40 : len;
2307 // Copy over the sense data
2308 memcpy(cmd->sense_buffer, (void*)(reply+28) , len);
2309 if(cmd->sense_buffer[0] == 0x70 /* class 7 */ &&
2310 cmd->sense_buffer[2] == DATA_PROTECT ){
2311 /* This is to handle an array failed */
2312 cmd->result = (DID_TIME_OUT << 16);
2313 printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2314 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun,
2315 hba_status, dev_status, cmd->cmnd[0]);
2320 /* In this condtion we could not talk to the tid
2321 * the card rejected it. We should signal a retry
2322 * for a limitted number of retries.
2324 cmd->result = (DID_TIME_OUT << 16);
2325 printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n",
2326 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, (u32)cmd->device->lun,
2327 ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]);
2330 cmd->result |= (dev_status);
2332 if(cmd->scsi_done != NULL){
2333 cmd->scsi_done(cmd);
2339 static s32 adpt_rescan(adpt_hba* pHba)
2345 spin_lock_irqsave(pHba->host->host_lock, flags);
2346 if ((rcode=adpt_i2o_lct_get(pHba)) < 0)
2348 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0)
2352 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2357 static s32 adpt_i2o_reparse_lct(adpt_hba* pHba)
2362 struct i2o_device *d;
2363 i2o_lct *lct = pHba->lct;
2367 u32 buf[10]; // at least 8 u32's
2368 struct adpt_device* pDev = NULL;
2369 struct i2o_device* pI2o_dev = NULL;
2372 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
2376 max = lct->table_size;
2380 // Mark each drive as unscanned
2381 for (d = pHba->devices; d; d = d->next) {
2382 pDev =(struct adpt_device*) d->owner;
2386 pDev->state |= DPTI_DEV_UNSCANNED;
2389 printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max);
2391 for(i=0;i<max;i++) {
2392 if( lct->lct_entry[i].user_tid != 0xfff){
2396 if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
2397 lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL ||
2398 lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
2399 tid = lct->lct_entry[i].tid;
2400 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
2401 printk(KERN_ERR"%s: Could not query device\n",pHba->name);
2404 bus_no = buf[0]>>16;
2406 scsi_lun = (buf[2]>>8 )&0xff;
2407 pDev = pHba->channel[bus_no].device[scsi_id];
2410 if(pDev->scsi_lun == scsi_lun) {
2413 pDev = pDev->next_lun;
2415 if(!pDev ) { // Something new add it
2416 d = (struct i2o_device *)kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
2419 printk(KERN_CRIT "Out of memory for I2O device data.\n");
2423 d->controller = (void*)pHba;
2426 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2429 adpt_i2o_report_hba_unit(pHba, d);
2430 adpt_i2o_install_device(pHba, d);
2432 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
2433 printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no);
2436 pDev = pHba->channel[bus_no].device[scsi_id];
2438 pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
2442 pHba->channel[bus_no].device[scsi_id] = pDev;
2444 while (pDev->next_lun) {
2445 pDev = pDev->next_lun;
2447 pDev = pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
2452 memset(pDev,0,sizeof(struct adpt_device));
2453 pDev->tid = d->lct_data.tid;
2454 pDev->scsi_channel = bus_no;
2455 pDev->scsi_id = scsi_id;
2456 pDev->scsi_lun = scsi_lun;
2459 pDev->type = (buf[0])&0xff;
2460 pDev->flags = (buf[0]>>8)&0xff;
2461 // Too late, SCSI system has made up it's mind, but what the hey ...
2462 if(scsi_id > pHba->top_scsi_id){
2463 pHba->top_scsi_id = scsi_id;
2465 if(scsi_lun > pHba->top_scsi_lun){
2466 pHba->top_scsi_lun = scsi_lun;
2469 } // end of new i2o device
2471 // We found an old device - check it
2473 if(pDev->scsi_lun == scsi_lun) {
2474 if(!scsi_device_online(pDev->pScsi_dev)) {
2475 printk(KERN_WARNING"%s: Setting device (%d,%d,%d) back online\n",
2476 pHba->name,bus_no,scsi_id,scsi_lun);
2477 if (pDev->pScsi_dev) {
2478 scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING);
2482 if(d->lct_data.tid != tid) { // something changed
2484 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2485 if (pDev->pScsi_dev) {
2486 pDev->pScsi_dev->changed = TRUE;
2487 pDev->pScsi_dev->removable = TRUE;
2490 // Found it - mark it scanned
2491 pDev->state = DPTI_DEV_ONLINE;
2494 pDev = pDev->next_lun;
2498 for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) {
2499 pDev =(struct adpt_device*) pI2o_dev->owner;
2503 // Drive offline drives that previously existed but could not be found
2505 if (pDev->state & DPTI_DEV_UNSCANNED){
2506 pDev->state = DPTI_DEV_OFFLINE;
2507 printk(KERN_WARNING"%s: Device (%d,%d,%d) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun);
2508 if (pDev->pScsi_dev) {
2509 scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE);
2516 static void adpt_fail_posted_scbs(adpt_hba* pHba)
2518 struct scsi_cmnd* cmd = NULL;
2519 struct scsi_device* d = NULL;
2521 shost_for_each_device(d, pHba->host) {
2522 unsigned long flags;
2523 spin_lock_irqsave(&d->list_lock, flags);
2524 list_for_each_entry(cmd, &d->cmd_list, list) {
2525 if(cmd->serial_number == 0){
2528 cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1);
2529 cmd->scsi_done(cmd);
2531 spin_unlock_irqrestore(&d->list_lock, flags);
2536 /*============================================================================
2537 * Routines from i2o subsystem
2538 *============================================================================
2544 * Bring an I2O controller into HOLD state. See the spec.
2546 static int adpt_i2o_activate_hba(adpt_hba* pHba)
2550 if(pHba->initialized ) {
2551 if (adpt_i2o_status_get(pHba) < 0) {
2552 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2553 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2556 if (adpt_i2o_status_get(pHba) < 0) {
2557 printk(KERN_INFO "HBA not responding.\n");
2562 if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) {
2563 printk(KERN_CRIT "%s: hardware fault\n", pHba->name);
2567 if (pHba->status_block->iop_state == ADAPTER_STATE_READY ||
2568 pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL ||
2569 pHba->status_block->iop_state == ADAPTER_STATE_HOLD ||
2570 pHba->status_block->iop_state == ADAPTER_STATE_FAILED) {
2571 adpt_i2o_reset_hba(pHba);
2572 if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
2573 printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name);
2578 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2579 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2585 if (adpt_i2o_init_outbound_q(pHba) < 0) {
2591 if (adpt_i2o_hrt_get(pHba) < 0) {
2599 * Bring a controller online into OPERATIONAL state.
2602 static int adpt_i2o_online_hba(adpt_hba* pHba)
2604 if (adpt_i2o_systab_send(pHba) < 0) {
2605 adpt_i2o_delete_hba(pHba);
2608 /* In READY state */
2610 if (adpt_i2o_enable_hba(pHba) < 0) {
2611 adpt_i2o_delete_hba(pHba);
2615 /* In OPERATIONAL state */
2619 static s32 adpt_send_nop(adpt_hba*pHba,u32 m)
2622 ulong timeout = jiffies + 5*HZ;
2624 while(m == EMPTY_QUEUE){
2626 m = readl(pHba->post_port);
2627 if(m != EMPTY_QUEUE){
2630 if(time_after(jiffies,timeout)){
2631 printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name);
2634 set_current_state(TASK_UNINTERRUPTIBLE);
2635 schedule_timeout(1);
2637 msg = (u32 __iomem *)(pHba->msg_addr_virt + m);
2638 writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]);
2639 writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]);
2643 writel(m, pHba->post_port);
2648 static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
2651 u32 __iomem *msg = NULL;
2653 ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ;
2655 u32 outbound_frame; // This had to be a 32 bit address
2660 m = readl(pHba->post_port);
2661 if (m != EMPTY_QUEUE) {
2665 if(time_after(jiffies,timeout)){
2666 printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name);
2669 set_current_state(TASK_UNINTERRUPTIBLE);
2670 schedule_timeout(1);
2671 } while(m == EMPTY_QUEUE);
2673 msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
2675 status = kmalloc(4,GFP_KERNEL|ADDR32);
2677 adpt_send_nop(pHba, m);
2678 printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n",
2682 memset(status, 0, 4);
2684 writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]);
2685 writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]);
2687 writel(0x0106, &msg[3]); /* Transaction context */
2688 writel(4096, &msg[4]); /* Host page frame size */
2689 writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */
2690 writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */
2691 writel(virt_to_bus(status), &msg[7]);
2693 writel(m, pHba->post_port);
2696 // Wait for the reply status to come back
2699 if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2704 if(time_after(jiffies,timeout)){
2705 printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name);
2708 set_current_state(TASK_UNINTERRUPTIBLE);
2709 schedule_timeout(1);
2712 // If the command was successful, fill the fifo with our reply
2714 if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2715 kfree((void*)status);
2718 kfree((void*)status);
2720 if(pHba->reply_pool != NULL){
2721 kfree(pHba->reply_pool);
2724 pHba->reply_pool = (u32*)kmalloc(pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, GFP_KERNEL|ADDR32);
2725 if(!pHba->reply_pool){
2726 printk(KERN_ERR"%s: Could not allocate reply pool\n",pHba->name);
2729 memset(pHba->reply_pool, 0 , pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4);
2731 ptr = pHba->reply_pool;
2732 for(i = 0; i < pHba->reply_fifo_size; i++) {
2733 outbound_frame = (u32)virt_to_bus(ptr);
2734 writel(outbound_frame, pHba->reply_port);
2736 ptr += REPLY_FRAME_SIZE;
2738 adpt_i2o_status_get(pHba);
2744 * I2O System Table. Contains information about
2745 * all the IOPs in the system. Used to inform IOPs
2746 * about each other's existence.
2748 * sys_tbl_ver is the CurrentChangeIndicator that is
2749 * used by IOPs to track changes.
2754 static s32 adpt_i2o_status_get(adpt_hba* pHba)
2759 u8 *status_block=NULL;
2760 ulong status_block_bus;
2762 if(pHba->status_block == NULL) {
2763 pHba->status_block = (i2o_status_block*)
2764 kmalloc(sizeof(i2o_status_block),GFP_KERNEL|ADDR32);
2765 if(pHba->status_block == NULL) {
2767 "dpti%d: Get Status Block failed; Out of memory. \n",
2772 memset(pHba->status_block, 0, sizeof(i2o_status_block));
2773 status_block = (u8*)(pHba->status_block);
2774 status_block_bus = virt_to_bus(pHba->status_block);
2775 timeout = jiffies+TMOUT_GETSTATUS*HZ;
2778 m = readl(pHba->post_port);
2779 if (m != EMPTY_QUEUE) {
2782 if(time_after(jiffies,timeout)){
2783 printk(KERN_ERR "%s: Timeout waiting for message !\n",
2787 set_current_state(TASK_UNINTERRUPTIBLE);
2788 schedule_timeout(1);
2789 } while(m==EMPTY_QUEUE);
2792 msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
2794 writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]);
2795 writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]);
2800 writel(((u32)status_block_bus)&0xffffffff, &msg[6]);
2802 writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes
2805 writel(m, pHba->post_port);
2808 while(status_block[87]!=0xff){
2809 if(time_after(jiffies,timeout)){
2810 printk(KERN_ERR"dpti%d: Get status timeout.\n",
2815 set_current_state(TASK_UNINTERRUPTIBLE);
2816 schedule_timeout(1);
2819 // Set up our number of outbound and inbound messages
2820 pHba->post_fifo_size = pHba->status_block->max_inbound_frames;
2821 if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) {
2822 pHba->post_fifo_size = MAX_TO_IOP_MESSAGES;
2825 pHba->reply_fifo_size = pHba->status_block->max_outbound_frames;
2826 if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) {
2827 pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES;
2830 // Calculate the Scatter Gather list size
2831 pHba->sg_tablesize = (pHba->status_block->inbound_frame_size * 4 -40)/ sizeof(struct sg_simple_element);
2832 if (pHba->sg_tablesize > SG_LIST_ELEMENTS) {
2833 pHba->sg_tablesize = SG_LIST_ELEMENTS;
2838 printk("dpti%d: State = ",pHba->unit);
2839 switch(pHba->status_block->iop_state) {
2853 printk("OPERATIONAL\n");
2859 printk("FAULTED\n");
2862 printk("%x (unknown!!)\n",pHba->status_block->iop_state);
2869 * Get the IOP's Logical Configuration Table
2871 static int adpt_i2o_lct_get(adpt_hba* pHba)
2877 if ((pHba->lct_size == 0) || (pHba->lct == NULL)){
2878 pHba->lct_size = pHba->status_block->expected_lct_size;
2881 if (pHba->lct == NULL) {
2882 pHba->lct = kmalloc(pHba->lct_size, GFP_KERNEL|ADDR32);
2883 if(pHba->lct == NULL) {
2884 printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n",
2889 memset(pHba->lct, 0, pHba->lct_size);
2891 msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6;
2892 msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID;
2895 msg[4] = 0xFFFFFFFF; /* All devices */
2896 msg[5] = 0x00000000; /* Report now */
2897 msg[6] = 0xD0000000|pHba->lct_size;
2898 msg[7] = virt_to_bus(pHba->lct);
2900 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) {
2901 printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n",
2903 printk(KERN_ERR"Adaptec: Error Reading Hardware.\n");
2907 if ((pHba->lct->table_size << 2) > pHba->lct_size) {
2908 pHba->lct_size = pHba->lct->table_size << 2;
2912 } while (pHba->lct == NULL);
2914 PDEBUG("%s: Hardware resource table read.\n", pHba->name);
2917 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
2918 if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) {
2919 pHba->FwDebugBufferSize = buf[1];
2920 pHba->FwDebugBuffer_P = pHba->base_addr_virt + buf[0];
2921 pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P + FW_DEBUG_FLAGS_OFFSET;
2922 pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P + FW_DEBUG_BLED_OFFSET;
2923 pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1;
2924 pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P + FW_DEBUG_STR_LENGTH_OFFSET;
2925 pHba->FwDebugBuffer_P += buf[2];
2926 pHba->FwDebugFlags = 0;
2932 static int adpt_i2o_build_sys_table(void)
2934 adpt_hba* pHba = NULL;
2937 sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs
2938 (hba_count) * sizeof(struct i2o_sys_tbl_entry);
2943 sys_tbl = kmalloc(sys_tbl_len, GFP_KERNEL|ADDR32);
2945 printk(KERN_WARNING "SysTab Set failed. Out of memory.\n");
2948 memset(sys_tbl, 0, sys_tbl_len);
2950 sys_tbl->num_entries = hba_count;
2951 sys_tbl->version = I2OVERSION;
2952 sys_tbl->change_ind = sys_tbl_ind++;
2954 for(pHba = hba_chain; pHba; pHba = pHba->next) {
2955 // Get updated Status Block so we have the latest information
2956 if (adpt_i2o_status_get(pHba)) {
2957 sys_tbl->num_entries--;
2958 continue; // try next one
2961 sys_tbl->iops[count].org_id = pHba->status_block->org_id;
2962 sys_tbl->iops[count].iop_id = pHba->unit + 2;
2963 sys_tbl->iops[count].seg_num = 0;
2964 sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version;
2965 sys_tbl->iops[count].iop_state = pHba->status_block->iop_state;
2966 sys_tbl->iops[count].msg_type = pHba->status_block->msg_type;
2967 sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size;
2968 sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ??
2969 sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities;
2970 sys_tbl->iops[count].inbound_low = (u32)virt_to_bus((void*)pHba->post_port);
2971 sys_tbl->iops[count].inbound_high = (u32)((u64)virt_to_bus((void*)pHba->post_port)>>32);
2978 u32 *table = (u32*)sys_tbl;
2979 printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2));
2980 for(count = 0; count < (sys_tbl_len >>2); count++) {
2981 printk(KERN_INFO "sys_tbl[%d] = %0#10x\n",
2982 count, table[count]);
2992 * Dump the information block associated with a given unit (TID)
2995 static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d)
2998 int unit = d->lct_data.tid;
3000 printk(KERN_INFO "TID %3.3d ", unit);
3002 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0)
3005 printk(" Vendor: %-12.12s", buf);
3007 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0)
3010 printk(" Device: %-12.12s", buf);
3012 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0)
3015 printk(" Rev: %-12.12s\n", buf);
3018 printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id));
3019 printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class);
3020 printk(KERN_INFO "\tFlags: ");
3022 if(d->lct_data.device_flags&(1<<0))
3023 printk("C"); // ConfigDialog requested
3024 if(d->lct_data.device_flags&(1<<1))
3025 printk("U"); // Multi-user capable
3026 if(!(d->lct_data.device_flags&(1<<4)))
3027 printk("P"); // Peer service enabled!
3028 if(!(d->lct_data.device_flags&(1<<5)))
3029 printk("M"); // Mgmt service enabled!
3036 * Do i2o class name lookup
3038 static const char *adpt_i2o_get_class_name(int class)
3041 static char *i2o_class_name[] = {
3043 "Device Driver Module",
3048 "Fibre Channel Port",
3049 "Fibre Channel Device",
3053 "Floppy Controller",
3055 "Secondary Bus Port",
3056 "Peer Transport Agent",
3061 switch(class&0xFFF) {
3062 case I2O_CLASS_EXECUTIVE:
3066 case I2O_CLASS_RANDOM_BLOCK_STORAGE:
3068 case I2O_CLASS_SEQUENTIAL_STORAGE:
3074 case I2O_CLASS_FIBRE_CHANNEL_PORT:
3076 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL:
3078 case I2O_CLASS_SCSI_PERIPHERAL:
3080 case I2O_CLASS_ATE_PORT:
3082 case I2O_CLASS_ATE_PERIPHERAL:
3084 case I2O_CLASS_FLOPPY_CONTROLLER:
3086 case I2O_CLASS_FLOPPY_DEVICE:
3088 case I2O_CLASS_BUS_ADAPTER_PORT:
3090 case I2O_CLASS_PEER_TRANSPORT_AGENT:
3092 case I2O_CLASS_PEER_TRANSPORT:
3095 return i2o_class_name[idx];
3100 static s32 adpt_i2o_hrt_get(adpt_hba* pHba)
3103 int ret, size = sizeof(i2o_hrt);
3106 if (pHba->hrt == NULL) {
3107 pHba->hrt=kmalloc(size, GFP_KERNEL|ADDR32);
3108 if (pHba->hrt == NULL) {
3109 printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name);
3114 msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4;
3115 msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID;
3118 msg[4]= (0xD0000000 | size); /* Simple transaction */
3119 msg[5]= virt_to_bus(pHba->hrt); /* Dump it here */
3121 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) {
3122 printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret);
3126 if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) {
3127 size = pHba->hrt->num_entries * pHba->hrt->entry_len << 2;
3131 } while(pHba->hrt == NULL);
3136 * Query one scalar group value or a whole scalar group.
3138 static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
3139 int group, int field, void *buf, int buflen)
3141 u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field };
3146 /* 8 bytes for header */
3147 resblk = kmalloc(sizeof(u8) * (8+buflen), GFP_KERNEL|ADDR32);
3148 if (resblk == NULL) {
3149 printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name);
3153 if (field == -1) /* whole group */
3156 size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid,
3157 opblk, sizeof(opblk), resblk, sizeof(u8)*(8+buflen));
3158 if (size == -ETIME) {
3159 printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name);
3161 } else if (size == -EINTR) {
3162 printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name);
3166 memcpy(buf, resblk+8, buflen); /* cut off header */
3176 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3178 * This function can be used for all UtilParamsGet/Set operations.
3179 * The OperationBlock is given in opblk-buffer,
3180 * and results are returned in resblk-buffer.
3181 * Note that the minimum sized resblk is 8 bytes and contains
3182 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3184 static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
3185 void *opblk, int oplen, void *resblk, int reslen)
3188 u32 *res = (u32 *)resblk;
3191 msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5;
3192 msg[1] = cmd << 24 | HOST_TID << 12 | tid;
3196 msg[5] = 0x54000000 | oplen; /* OperationBlock */
3197 msg[6] = virt_to_bus(opblk);
3198 msg[7] = 0xD0000000 | reslen; /* ResultBlock */
3199 msg[8] = virt_to_bus(resblk);
3201 if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) {
3202 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk);
3203 return wait_status; /* -DetailedStatus */
3206 if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3207 printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3208 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3210 (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET"
3212 res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF);
3213 return -((res[1] >> 16) & 0xFF); /* -BlockStatus */
3216 return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3220 static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba)
3225 adpt_i2o_status_get(pHba);
3227 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3229 if((pHba->status_block->iop_state != ADAPTER_STATE_READY) &&
3230 (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){
3234 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3235 msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID;
3239 if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3240 printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n",
3243 printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit);
3246 adpt_i2o_status_get(pHba);
3252 * Enable IOP. Allows the IOP to resume external operations.
3254 static int adpt_i2o_enable_hba(adpt_hba* pHba)
3259 adpt_i2o_status_get(pHba);
3260 if(!pHba->status_block){
3263 /* Enable only allowed on READY state */
3264 if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL)
3267 if(pHba->status_block->iop_state != ADAPTER_STATE_READY)
3270 msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3271 msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID;
3275 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3276 printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n",
3279 PDEBUG("%s: Enabled.\n", pHba->name);
3282 adpt_i2o_status_get(pHba);
3287 static int adpt_i2o_systab_send(adpt_hba* pHba)
3292 msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6;
3293 msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID;
3296 msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */
3297 msg[5] = 0; /* Segment 0 */
3300 * Provide three SGL-elements:
3301 * System table (SysTab), Private memory space declaration and
3302 * Private i/o space declaration
3304 msg[6] = 0x54000000 | sys_tbl_len;
3305 msg[7] = virt_to_phys(sys_tbl);
3306 msg[8] = 0x54000000 | 0;
3308 msg[10] = 0xD4000000 | 0;
3311 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) {
3312 printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n",
3317 PINFO("%s: SysTab set.\n", pHba->name);
3325 /*============================================================================
3327 *============================================================================
3333 static static void adpt_delay(int millisec)
3336 for (i = 0; i < millisec; i++) {
3337 udelay(1000); /* delay for one millisecond */
3343 static struct scsi_host_template driver_template = {
3345 .proc_name = "dpt_i2o",
3346 .proc_info = adpt_proc_info,
3347 .detect = adpt_detect,
3348 .release = adpt_release,
3350 .queuecommand = adpt_queue,
3351 .eh_abort_handler = adpt_abort,
3352 .eh_device_reset_handler = adpt_device_reset,
3353 .eh_bus_reset_handler = adpt_bus_reset,
3354 .eh_host_reset_handler = adpt_reset,
3355 .bios_param = adpt_bios_param,
3356 .slave_configure = adpt_slave_configure,
3357 .can_queue = MAX_TO_IOP_MESSAGES,
3360 .use_clustering = ENABLE_CLUSTERING,
3362 #include "scsi_module.c"
3363 MODULE_LICENSE("GPL");