1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /***************************************************************************
6 copyright : (C) 2000 by Adaptec
8 July 30, 2001 First version being submitted
9 for inclusion in the kernel. V2.4
11 See Documentation/scsi/dpti.rst for history, notes, license info
13 ***************************************************************************/
15 /***************************************************************************
18 ***************************************************************************/
19 /***************************************************************************
20 * Sat Dec 20 2003 Go Taniguchi <go@turbolinux.co.jp>
21 - Support 2.6 kernel and DMA-mapping
22 - ioctl fix for raid tools
23 - use schedule_timeout in long long loop
24 **************************************************************************/
27 /*#define UARTDELAY 1 */
29 #include <linux/module.h>
30 #include <linux/pgtable.h>
32 MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
33 MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
35 ////////////////////////////////////////////////////////////////
37 #include <linux/ioctl.h> /* For SCSI-Passthrough */
38 #include <linux/uaccess.h>
40 #include <linux/stat.h>
41 #include <linux/slab.h> /* for kmalloc() */
42 #include <linux/pci.h> /* for PCI support */
43 #include <linux/proc_fs.h>
44 #include <linux/blkdev.h>
45 #include <linux/delay.h> /* for udelay */
46 #include <linux/interrupt.h>
47 #include <linux/kernel.h> /* for printk */
48 #include <linux/sched.h>
49 #include <linux/reboot.h>
50 #include <linux/spinlock.h>
51 #include <linux/dma-mapping.h>
53 #include <linux/timer.h>
54 #include <linux/string.h>
55 #include <linux/ioport.h>
56 #include <linux/mutex.h>
58 #include <asm/processor.h> /* for boot_cpu_data */
59 #include <asm/io.h> /* for virt_to_bus, etc. */
61 #include <scsi/scsi.h>
62 #include <scsi/scsi_cmnd.h>
63 #include <scsi/scsi_device.h>
64 #include <scsi/scsi_host.h>
65 #include <scsi/scsi_tcq.h>
67 #include "dpt/dptsig.h"
70 /*============================================================================
71 * Create a binary signature - this is read by dptsig
72 * Needed for our management apps
73 *============================================================================
75 static DEFINE_MUTEX(adpt_mutex);
76 static dpt_sig_S DPTI_sig = {
77 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION,
79 PROC_INTEL, PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM,
80 #elif defined(__ia64__)
81 PROC_INTEL, PROC_IA64,
82 #elif defined(__sparc__)
83 PROC_ULTRASPARC, PROC_ULTRASPARC,
84 #elif defined(__alpha__)
85 PROC_ALPHA, PROC_ALPHA,
89 FT_HBADRVR, 0, OEM_DPT, OS_LINUX, CAP_OVERLAP, DEV_ALL,
90 ADF_ALL_SC5, 0, 0, DPT_VERSION, DPT_REVISION, DPT_SUBREVISION,
91 DPT_MONTH, DPT_DAY, DPT_YEAR, "Adaptec Linux I2O RAID Driver"
97 /*============================================================================
99 *============================================================================
102 static DEFINE_MUTEX(adpt_configuration_lock);
104 static struct i2o_sys_tbl *sys_tbl;
105 static dma_addr_t sys_tbl_pa;
106 static int sys_tbl_ind;
107 static int sys_tbl_len;
109 static adpt_hba* hba_chain = NULL;
110 static int hba_count = 0;
112 static struct class *adpt_sysfs_class;
114 static long adpt_unlocked_ioctl(struct file *, unsigned int, unsigned long);
116 static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long);
119 static const struct file_operations adpt_fops = {
120 .unlocked_ioctl = adpt_unlocked_ioctl,
122 .release = adpt_close,
124 .compat_ioctl = compat_adpt_ioctl,
126 .llseek = noop_llseek,
129 /* Structures and definitions for synchronous message posting.
130 * See adpt_i2o_post_wait() for description
132 struct adpt_i2o_post_wait_data
136 adpt_wait_queue_head_t *wq;
137 struct adpt_i2o_post_wait_data *next;
140 static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL;
141 static u32 adpt_post_wait_id = 0;
142 static DEFINE_SPINLOCK(adpt_post_wait_lock);
145 /*============================================================================
147 *============================================================================
150 static inline int dpt_dma64(adpt_hba *pHba)
152 return (sizeof(dma_addr_t) > 4 && (pHba)->dma64);
155 static inline u32 dma_high(dma_addr_t addr)
157 return upper_32_bits(addr);
160 static inline u32 dma_low(dma_addr_t addr)
165 static u8 adpt_read_blink_led(adpt_hba* host)
167 if (host->FwDebugBLEDflag_P) {
168 if( readb(host->FwDebugBLEDflag_P) == 0xbc ){
169 return readb(host->FwDebugBLEDvalue_P);
175 /*============================================================================
176 * Scsi host template interface functions
177 *============================================================================
181 static struct pci_device_id dptids[] = {
182 { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
183 { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
188 MODULE_DEVICE_TABLE(pci,dptids);
190 static int adpt_detect(struct scsi_host_template* sht)
192 struct pci_dev *pDev = NULL;
196 PINFO("Detecting Adaptec I2O RAID controllers...\n");
198 /* search for all Adatpec I2O RAID cards */
199 while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
200 if(pDev->device == PCI_DPT_DEVICE_ID ||
201 pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){
202 if(adpt_install_hba(sht, pDev) ){
203 PERROR("Could not Init an I2O RAID device\n");
204 PERROR("Will not try to detect others.\n");
211 /* In INIT state, Activate IOPs */
212 for (pHba = hba_chain; pHba; pHba = next) {
214 // Activate does get status , init outbound, and get hrt
215 if (adpt_i2o_activate_hba(pHba) < 0) {
216 adpt_i2o_delete_hba(pHba);
221 /* Active IOPs in HOLD state */
224 if (hba_chain == NULL)
228 * If build_sys_table fails, we kill everything and bail
229 * as we can't init the IOPs w/o a system table
231 if (adpt_i2o_build_sys_table() < 0) {
232 adpt_i2o_sys_shutdown();
236 PDEBUG("HBA's in HOLD state\n");
238 /* If IOP don't get online, we need to rebuild the System table */
239 for (pHba = hba_chain; pHba; pHba = pHba->next) {
240 if (adpt_i2o_online_hba(pHba) < 0) {
241 adpt_i2o_delete_hba(pHba);
242 goto rebuild_sys_tab;
246 /* Active IOPs now in OPERATIONAL state */
247 PDEBUG("HBA's in OPERATIONAL state\n");
249 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
250 for (pHba = hba_chain; pHba; pHba = next) {
252 printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name);
253 if (adpt_i2o_lct_get(pHba) < 0){
254 adpt_i2o_delete_hba(pHba);
258 if (adpt_i2o_parse_lct(pHba) < 0){
259 adpt_i2o_delete_hba(pHba);
265 adpt_sysfs_class = class_create(THIS_MODULE, "dpt_i2o");
266 if (IS_ERR(adpt_sysfs_class)) {
267 printk(KERN_WARNING"dpti: unable to create dpt_i2o class\n");
268 adpt_sysfs_class = NULL;
271 for (pHba = hba_chain; pHba; pHba = next) {
273 if (adpt_scsi_host_alloc(pHba, sht) < 0){
274 adpt_i2o_delete_hba(pHba);
277 pHba->initialized = TRUE;
278 pHba->state &= ~DPTI_STATE_RESET;
279 if (adpt_sysfs_class) {
280 struct device *dev = device_create(adpt_sysfs_class,
281 NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL,
282 "dpti%d", pHba->unit);
284 printk(KERN_WARNING"dpti%d: unable to "
285 "create device in dpt_i2o class\n",
291 // Register our control device node
292 // nodes will need to be created in /dev to access this
293 // the nodes can not be created from within the driver
294 if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) {
295 adpt_i2o_sys_shutdown();
302 static void adpt_release(adpt_hba *pHba)
304 struct Scsi_Host *shost = pHba->host;
306 scsi_remove_host(shost);
307 // adpt_i2o_quiesce_hba(pHba);
308 adpt_i2o_delete_hba(pHba);
309 scsi_host_put(shost);
313 static void adpt_inquiry(adpt_hba* pHba)
327 memset(msg, 0, sizeof(msg));
328 buf = dma_alloc_coherent(&pHba->pDev->dev, 80, &addr, GFP_KERNEL);
330 printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name);
333 memset((void*)buf, 0, 36);
336 direction = 0x00000000;
337 scsidir =0x40000000; // DATA IN (iop<--dev)
340 reqlen = 17; // SINGLE SGE, 64 bit
342 reqlen = 14; // SINGLE SGE, 32 bit
343 /* Stick the headers on */
344 msg[0] = reqlen<<16 | SGL_OFFSET_12;
345 msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID);
348 // Adaptec/DPT Private stuff
349 msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16;
350 msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/;
351 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
352 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
353 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
354 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
355 msg[6] = scsidir|0x20a00000| 6 /* cmd len*/;
359 memset(scb, 0, sizeof(scb));
360 // Write SCSI command into the message - always 16 byte block
367 // Don't care about the rest of scb
369 memcpy(mptr, scb, sizeof(scb));
371 lenptr=mptr++; /* Remember me - fill in when we know */
373 /* Now fill in the SGList and command */
375 if (dpt_dma64(pHba)) {
376 *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
377 *mptr++ = 1 << PAGE_SHIFT;
378 *mptr++ = 0xD0000000|direction|len;
379 *mptr++ = dma_low(addr);
380 *mptr++ = dma_high(addr);
382 *mptr++ = 0xD0000000|direction|len;
386 // Send it on it's way
387 rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120);
389 sprintf(pHba->detail, "Adaptec I2O RAID");
390 printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode);
391 if (rcode != -ETIME && rcode != -EINTR)
392 dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
394 memset(pHba->detail, 0, sizeof(pHba->detail));
395 memcpy(&(pHba->detail), "Vendor: Adaptec ", 16);
396 memcpy(&(pHba->detail[16]), " Model: ", 8);
397 memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16);
398 memcpy(&(pHba->detail[40]), " FW: ", 4);
399 memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4);
400 pHba->detail[48] = '\0'; /* precautionary */
401 dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
403 adpt_i2o_status_get(pHba);
408 static int adpt_slave_configure(struct scsi_device * device)
410 struct Scsi_Host *host = device->host;
412 if (host->can_queue && device->tagged_supported) {
413 scsi_change_queue_depth(device,
414 host->can_queue - 1);
419 static int adpt_queue_lck(struct scsi_cmnd *cmd)
421 adpt_hba* pHba = NULL;
422 struct adpt_device* pDev = NULL; /* dpt per device information */
425 * SCSI REQUEST_SENSE commands will be executed automatically by the
426 * Host Adapter for any errors, so they should not be executed
427 * explicitly unless the Sense Data is zero indicating that no error
431 if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) {
432 cmd->result = (DID_OK << 16);
437 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
443 if ((pHba->state) & DPTI_STATE_RESET)
444 return SCSI_MLQUEUE_HOST_BUSY;
446 // TODO if the cmd->device if offline then I may need to issue a bus rescan
447 // followed by a get_lct to see if the device is there anymore
448 if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) {
450 * First command request for this device. Set up a pointer
451 * to the device structure. This should be a TEST_UNIT_READY
452 * command from scan_scsis_single.
454 if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun)) == NULL) {
455 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
456 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
457 cmd->result = (DID_NO_CONNECT << 16);
461 cmd->device->hostdata = pDev;
463 pDev->pScsi_dev = cmd->device;
466 * If we are being called from when the device is being reset,
467 * delay processing of the command until later.
469 if (pDev->state & DPTI_DEV_RESET ) {
472 return adpt_scsi_to_i2o(pHba, cmd, pDev);
475 static DEF_SCSI_QCMD(adpt_queue)
477 static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev,
478 sector_t capacity, int geom[])
484 // *** First lets set the default geometry ****
486 // If the capacity is less than ox2000
487 if (capacity < 0x2000 ) { // floppy
491 // else if between 0x2000 and 0x20000
492 else if (capacity < 0x20000) {
496 // else if between 0x20000 and 0x40000
497 else if (capacity < 0x40000) {
501 // else if between 0x4000 and 0x80000
502 else if (capacity < 0x80000) {
506 // else if greater than 0x80000
511 cylinders = sector_div(capacity, heads * sectors);
513 // Special case if CDROM
514 if(sdev->type == 5) { // CDROM
524 PDEBUG("adpt_bios_param: exit\n");
529 static const char *adpt_info(struct Scsi_Host *host)
533 pHba = (adpt_hba *) host->hostdata[0];
534 return (char *) (pHba->detail);
537 static int adpt_show_info(struct seq_file *m, struct Scsi_Host *host)
539 struct adpt_device* d;
545 // Find HBA (host bus adapter) we are looking for
546 mutex_lock(&adpt_configuration_lock);
547 for (pHba = hba_chain; pHba; pHba = pHba->next) {
548 if (pHba->host == host) {
549 break; /* found adapter */
552 mutex_unlock(&adpt_configuration_lock);
558 seq_printf(m, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION);
559 seq_printf(m, "%s\n", pHba->detail);
560 seq_printf(m, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
561 pHba->host->host_no, pHba->name, host->irq);
562 seq_printf(m, "\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);
565 seq_puts(m, "Devices:\n");
566 for(chan = 0; chan < MAX_CHANNEL; chan++) {
567 for(id = 0; id < MAX_ID; id++) {
568 d = pHba->channel[chan].device[id];
570 seq_printf(m,"\t%-24.24s", d->pScsi_dev->vendor);
571 seq_printf(m," Rev: %-8.8s\n", d->pScsi_dev->rev);
573 unit = d->pI2o_dev->lct_data.tid;
574 seq_printf(m, "\tTID=%d, (Channel=%d, Target=%d, Lun=%llu) (%s)\n\n",
575 unit, (int)d->scsi_channel, (int)d->scsi_id, d->scsi_lun,
576 scsi_device_online(d->pScsi_dev)? "online":"offline");
585 * Turn a pointer to ioctl reply data into an u32 'context'
587 static u32 adpt_ioctl_to_context(adpt_hba * pHba, void *reply)
589 #if BITS_PER_LONG == 32
590 return (u32)(unsigned long)reply;
595 spin_lock_irqsave(pHba->host->host_lock, flags);
596 nr = ARRAY_SIZE(pHba->ioctl_reply_context);
597 for (i = 0; i < nr; i++) {
598 if (pHba->ioctl_reply_context[i] == NULL) {
599 pHba->ioctl_reply_context[i] = reply;
603 spin_unlock_irqrestore(pHba->host->host_lock, flags);
605 printk(KERN_WARNING"%s: Too many outstanding "
606 "ioctl commands\n", pHba->name);
615 * Go from an u32 'context' to a pointer to ioctl reply data.
617 static void *adpt_ioctl_from_context(adpt_hba *pHba, u32 context)
619 #if BITS_PER_LONG == 32
620 return (void *)(unsigned long)context;
622 void *p = pHba->ioctl_reply_context[context];
623 pHba->ioctl_reply_context[context] = NULL;
629 /*===========================================================================
630 * Error Handling routines
631 *===========================================================================
634 static int adpt_abort(struct scsi_cmnd * cmd)
636 adpt_hba* pHba = NULL; /* host bus adapter structure */
637 struct adpt_device* dptdevice; /* dpt per device information */
641 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
642 printk(KERN_INFO"%s: Trying to Abort\n",pHba->name);
643 if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) {
644 printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name);
648 memset(msg, 0, sizeof(msg));
649 msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0;
650 msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid;
653 /* Add 1 to avoid firmware treating it as invalid command */
654 msg[4] = scsi_cmd_to_rq(cmd)->tag + 1;
656 spin_lock_irq(pHba->host->host_lock);
657 rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER);
659 spin_unlock_irq(pHba->host->host_lock);
661 if(rcode == -EOPNOTSUPP ){
662 printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
665 printk(KERN_INFO"%s: Abort failed.\n",pHba->name);
668 printk(KERN_INFO"%s: Abort complete.\n",pHba->name);
673 #define I2O_DEVICE_RESET 0x27
674 // This is the same for BLK and SCSI devices
675 // NOTE this is wrong in the i2o.h definitions
676 // This is not currently supported by our adapter but we issue it anyway
677 static int adpt_device_reset(struct scsi_cmnd* cmd)
683 struct adpt_device* d = cmd->device->hostdata;
685 pHba = (void*) cmd->device->host->hostdata[0];
686 printk(KERN_INFO"%s: Trying to reset device\n",pHba->name);
688 printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name);
691 memset(msg, 0, sizeof(msg));
692 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
693 msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid);
698 spin_lock_irq(pHba->host->host_lock);
699 old_state = d->state;
700 d->state |= DPTI_DEV_RESET;
701 rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
702 d->state = old_state;
704 spin_unlock_irq(pHba->host->host_lock);
706 if(rcode == -EOPNOTSUPP ){
707 printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
710 printk(KERN_INFO"%s: Device reset failed\n",pHba->name);
713 printk(KERN_INFO"%s: Device reset successful\n",pHba->name);
719 #define I2O_HBA_BUS_RESET 0x87
720 // This version of bus reset is called by the eh_error handler
721 static int adpt_bus_reset(struct scsi_cmnd* cmd)
727 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
728 memset(msg, 0, sizeof(msg));
729 printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid );
730 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
731 msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid);
735 spin_lock_irq(pHba->host->host_lock);
736 rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
738 spin_unlock_irq(pHba->host->host_lock);
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)
755 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
756 strncpy(name, pHba->name, sizeof(name));
757 printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n", name, cmd->device->channel, pHba->channel[cmd->device->channel].tid);
758 rcode = adpt_hba_reset(pHba);
760 printk(KERN_WARNING"%s: HBA reset complete\n", name);
763 printk(KERN_WARNING"%s: HBA reset failed (%x)\n", name, rcode);
768 static int adpt_reset(struct scsi_cmnd* cmd)
772 spin_lock_irq(cmd->device->host->host_lock);
773 rc = __adpt_reset(cmd);
774 spin_unlock_irq(cmd->device->host->host_lock);
779 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
780 static int adpt_hba_reset(adpt_hba* pHba)
784 pHba->state |= DPTI_STATE_RESET;
786 // Activate does get status , init outbound, and get hrt
787 if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) {
788 printk(KERN_ERR "%s: Could not activate\n", pHba->name);
789 adpt_i2o_delete_hba(pHba);
793 if ((rcode=adpt_i2o_build_sys_table()) < 0) {
794 adpt_i2o_delete_hba(pHba);
797 PDEBUG("%s: in HOLD state\n",pHba->name);
799 if ((rcode=adpt_i2o_online_hba(pHba)) < 0) {
800 adpt_i2o_delete_hba(pHba);
803 PDEBUG("%s: in OPERATIONAL state\n",pHba->name);
805 if ((rcode=adpt_i2o_lct_get(pHba)) < 0){
806 adpt_i2o_delete_hba(pHba);
810 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){
811 adpt_i2o_delete_hba(pHba);
814 pHba->state &= ~DPTI_STATE_RESET;
816 scsi_host_complete_all_commands(pHba->host, DID_RESET);
817 return 0; /* return success */
820 /*===========================================================================
822 *===========================================================================
826 static void adpt_i2o_sys_shutdown(void)
828 adpt_hba *pHba, *pNext;
829 struct adpt_i2o_post_wait_data *p1, *old;
831 printk(KERN_INFO "Shutting down Adaptec I2O controllers.\n");
832 printk(KERN_INFO " This could take a few minutes if there are many devices attached\n");
833 /* Delete all IOPs from the controller chain */
834 /* They should have already been released by the
837 for (pHba = hba_chain; pHba; pHba = pNext) {
839 adpt_i2o_delete_hba(pHba);
842 /* Remove any timedout entries from the wait queue. */
843 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
844 /* Nothing should be outstanding at this point so just
847 for(p1 = adpt_post_wait_queue; p1;) {
852 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
853 adpt_post_wait_queue = NULL;
855 printk(KERN_INFO "Adaptec I2O controllers down.\n");
858 static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev)
861 adpt_hba* pHba = NULL;
863 ulong base_addr0_phys = 0;
864 ulong base_addr1_phys = 0;
865 u32 hba_map0_area_size = 0;
866 u32 hba_map1_area_size = 0;
867 void __iomem *base_addr_virt = NULL;
868 void __iomem *msg_addr_virt = NULL;
871 int raptorFlag = FALSE;
873 if(pci_enable_device(pDev)) {
877 if (pci_request_regions(pDev, "dpt_i2o")) {
878 PERROR("dpti: adpt_config_hba: pci request region failed\n");
882 pci_set_master(pDev);
885 * See if we should enable dma64 mode.
887 if (sizeof(dma_addr_t) > 4 &&
888 dma_get_required_mask(&pDev->dev) > DMA_BIT_MASK(32) &&
889 dma_set_mask(&pDev->dev, DMA_BIT_MASK(64)) == 0)
892 if (!dma64 && dma_set_mask(&pDev->dev, DMA_BIT_MASK(32)) != 0)
895 /* adapter only supports message blocks below 4GB */
896 dma_set_coherent_mask(&pDev->dev, DMA_BIT_MASK(32));
898 base_addr0_phys = pci_resource_start(pDev,0);
899 hba_map0_area_size = pci_resource_len(pDev,0);
901 // Check if standard PCI card or single BAR Raptor
902 if(pDev->device == PCI_DPT_DEVICE_ID){
903 if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){
904 // Raptor card with this device id needs 4M
905 hba_map0_area_size = 0x400000;
906 } else { // Not Raptor - it is a PCI card
907 if(hba_map0_area_size > 0x100000 ){
908 hba_map0_area_size = 0x100000;
911 } else {// Raptor split BAR config
912 // Use BAR1 in this configuration
913 base_addr1_phys = pci_resource_start(pDev,1);
914 hba_map1_area_size = pci_resource_len(pDev,1);
918 #if BITS_PER_LONG == 64
920 * The original Adaptec 64 bit driver has this comment here:
921 * "x86_64 machines need more optimal mappings"
923 * I assume some HBAs report ridiculously large mappings
924 * and we need to limit them on platforms with IOMMUs.
926 if (raptorFlag == TRUE) {
927 if (hba_map0_area_size > 128)
928 hba_map0_area_size = 128;
929 if (hba_map1_area_size > 524288)
930 hba_map1_area_size = 524288;
932 if (hba_map0_area_size > 524288)
933 hba_map0_area_size = 524288;
937 base_addr_virt = ioremap(base_addr0_phys,hba_map0_area_size);
938 if (!base_addr_virt) {
939 pci_release_regions(pDev);
940 PERROR("dpti: adpt_config_hba: io remap failed\n");
944 if(raptorFlag == TRUE) {
945 msg_addr_virt = ioremap(base_addr1_phys, hba_map1_area_size );
946 if (!msg_addr_virt) {
947 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
948 iounmap(base_addr_virt);
949 pci_release_regions(pDev);
953 msg_addr_virt = base_addr_virt;
956 // Allocate and zero the data structure
957 pHba = kzalloc(sizeof(adpt_hba), GFP_KERNEL);
959 if (msg_addr_virt != base_addr_virt)
960 iounmap(msg_addr_virt);
961 iounmap(base_addr_virt);
962 pci_release_regions(pDev);
966 mutex_lock(&adpt_configuration_lock);
968 if(hba_chain != NULL){
969 for(p = hba_chain; p->next; p = p->next);
975 pHba->unit = hba_count;
976 sprintf(pHba->name, "dpti%d", hba_count);
979 mutex_unlock(&adpt_configuration_lock);
982 pHba->base_addr_phys = base_addr0_phys;
984 // Set up the Virtual Base Address of the I2O Device
985 pHba->base_addr_virt = base_addr_virt;
986 pHba->msg_addr_virt = msg_addr_virt;
987 pHba->irq_mask = base_addr_virt+0x30;
988 pHba->post_port = base_addr_virt+0x40;
989 pHba->reply_port = base_addr_virt+0x44;
994 pHba->status_block = NULL;
995 pHba->post_count = 0;
996 pHba->state = DPTI_STATE_RESET;
998 pHba->devices = NULL;
1001 // Initializing the spinlocks
1002 spin_lock_init(&pHba->state_lock);
1004 if(raptorFlag == 0){
1005 printk(KERN_INFO "Adaptec I2O RAID controller"
1006 " %d at %p size=%x irq=%d%s\n",
1007 hba_count-1, base_addr_virt,
1008 hba_map0_area_size, pDev->irq,
1009 dma64 ? " (64-bit DMA)" : "");
1011 printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d%s\n",
1012 hba_count-1, pDev->irq,
1013 dma64 ? " (64-bit DMA)" : "");
1014 printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size);
1015 printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size);
1018 if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) {
1019 printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq);
1020 adpt_i2o_delete_hba(pHba);
1028 static void adpt_i2o_delete_hba(adpt_hba* pHba)
1032 struct i2o_device* d;
1033 struct i2o_device* next;
1036 struct adpt_device* pDev;
1037 struct adpt_device* pNext;
1040 mutex_lock(&adpt_configuration_lock);
1042 free_irq(pHba->host->irq, pHba);
1045 for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){
1048 p2->next = p1->next;
1050 hba_chain = p1->next;
1057 mutex_unlock(&adpt_configuration_lock);
1059 iounmap(pHba->base_addr_virt);
1060 pci_release_regions(pHba->pDev);
1061 if(pHba->msg_addr_virt != pHba->base_addr_virt){
1062 iounmap(pHba->msg_addr_virt);
1064 if(pHba->FwDebugBuffer_P)
1065 iounmap(pHba->FwDebugBuffer_P);
1067 dma_free_coherent(&pHba->pDev->dev,
1068 pHba->hrt->num_entries * pHba->hrt->entry_len << 2,
1069 pHba->hrt, pHba->hrt_pa);
1072 dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
1073 pHba->lct, pHba->lct_pa);
1075 if(pHba->status_block) {
1076 dma_free_coherent(&pHba->pDev->dev, sizeof(i2o_status_block),
1077 pHba->status_block, pHba->status_block_pa);
1079 if(pHba->reply_pool) {
1080 dma_free_coherent(&pHba->pDev->dev,
1081 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
1082 pHba->reply_pool, pHba->reply_pool_pa);
1085 for(d = pHba->devices; d ; d = next){
1089 for(i = 0 ; i < pHba->top_scsi_channel ; i++){
1090 for(j = 0; j < MAX_ID; j++){
1091 if(pHba->channel[i].device[j] != NULL){
1092 for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){
1093 pNext = pDev->next_lun;
1099 pci_dev_put(pHba->pDev);
1100 if (adpt_sysfs_class)
1101 device_destroy(adpt_sysfs_class,
1102 MKDEV(DPTI_I2O_MAJOR, pHba->unit));
1106 unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER);
1107 if (adpt_sysfs_class) {
1108 class_destroy(adpt_sysfs_class);
1109 adpt_sysfs_class = NULL;
1114 static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u64 lun)
1116 struct adpt_device* d;
1118 if (chan >= MAX_CHANNEL)
1121 d = pHba->channel[chan].device[id];
1122 if(!d || d->tid == 0) {
1126 /* If it is the only lun at that address then this should match*/
1127 if(d->scsi_lun == lun){
1131 /* else we need to look through all the luns */
1132 for(d=d->next_lun ; d ; d = d->next_lun){
1133 if(d->scsi_lun == lun){
1141 static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
1143 // I used my own version of the WAIT_QUEUE_HEAD
1144 // to handle some version differences
1145 // When embedded in the kernel this could go back to the vanilla one
1146 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post);
1149 struct adpt_i2o_post_wait_data *p1, *p2;
1150 struct adpt_i2o_post_wait_data *wait_data =
1151 kmalloc(sizeof(struct adpt_i2o_post_wait_data), GFP_ATOMIC);
1152 DECLARE_WAITQUEUE(wait, current);
1158 * The spin locking is needed to keep anyone from playing
1159 * with the queue pointers and id while we do the same
1161 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1162 // TODO we need a MORE unique way of getting ids
1163 // to support async LCT get
1164 wait_data->next = adpt_post_wait_queue;
1165 adpt_post_wait_queue = wait_data;
1166 adpt_post_wait_id++;
1167 adpt_post_wait_id &= 0x7fff;
1168 wait_data->id = adpt_post_wait_id;
1169 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1171 wait_data->wq = &adpt_wq_i2o_post;
1172 wait_data->status = -ETIMEDOUT;
1174 add_wait_queue(&adpt_wq_i2o_post, &wait);
1176 msg[2] |= 0x80000000 | ((u32)wait_data->id);
1178 if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){
1179 set_current_state(TASK_INTERRUPTIBLE);
1181 spin_unlock_irq(pHba->host->host_lock);
1185 timeout = schedule_timeout(timeout);
1187 // I/O issued, but cannot get result in
1188 // specified time. Freeing resorces is
1194 spin_lock_irq(pHba->host->host_lock);
1196 remove_wait_queue(&adpt_wq_i2o_post, &wait);
1198 if(status == -ETIMEDOUT){
1199 printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit);
1200 // We will have to free the wait_data memory during shutdown
1204 /* Remove the entry from the queue. */
1206 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1207 for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) {
1208 if(p1 == wait_data) {
1209 if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) {
1210 status = -EOPNOTSUPP;
1213 p2->next = p1->next;
1215 adpt_post_wait_queue = p1->next;
1220 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1228 static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len)
1231 u32 m = EMPTY_QUEUE;
1233 ulong timeout = jiffies + 30*HZ;
1236 m = readl(pHba->post_port);
1237 if (m != EMPTY_QUEUE) {
1240 if(time_after(jiffies,timeout)){
1241 printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit);
1244 schedule_timeout_uninterruptible(1);
1245 } while(m == EMPTY_QUEUE);
1247 msg = pHba->msg_addr_virt + m;
1248 memcpy_toio(msg, data, len);
1252 writel(m, pHba->post_port);
1259 static void adpt_i2o_post_wait_complete(u32 context, int status)
1261 struct adpt_i2o_post_wait_data *p1 = NULL;
1263 * We need to search through the adpt_post_wait
1264 * queue to see if the given message is still
1265 * outstanding. If not, it means that the IOP
1266 * took longer to respond to the message than we
1267 * had allowed and timer has already expired.
1268 * Not much we can do about that except log
1269 * it for debug purposes, increase timeout, and recompile
1271 * Lock needed to keep anyone from moving queue pointers
1272 * around while we're looking through them.
1277 spin_lock(&adpt_post_wait_lock);
1278 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1279 if(p1->id == context) {
1280 p1->status = status;
1281 spin_unlock(&adpt_post_wait_lock);
1282 wake_up_interruptible(p1->wq);
1286 spin_unlock(&adpt_post_wait_lock);
1287 // If this happens we lose commands that probably really completed
1288 printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context);
1289 printk(KERN_DEBUG" Tasks in wait queue:\n");
1290 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1291 printk(KERN_DEBUG" %d\n",p1->id);
1296 static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
1301 u32 m = EMPTY_QUEUE ;
1302 ulong timeout = jiffies + (TMOUT_IOPRESET*HZ);
1304 if(pHba->initialized == FALSE) { // First time reset should be quick
1305 timeout = jiffies + (25*HZ);
1307 adpt_i2o_quiesce_hba(pHba);
1312 m = readl(pHba->post_port);
1313 if (m != EMPTY_QUEUE) {
1316 if(time_after(jiffies,timeout)){
1317 printk(KERN_WARNING"Timeout waiting for message!\n");
1320 schedule_timeout_uninterruptible(1);
1321 } while (m == EMPTY_QUEUE);
1323 status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
1324 if(status == NULL) {
1325 adpt_send_nop(pHba, m);
1326 printk(KERN_ERR"IOP reset failed - no free memory.\n");
1330 msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0;
1331 msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID;
1336 msg[6]=dma_low(addr);
1337 msg[7]=dma_high(addr);
1339 memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg));
1341 writel(m, pHba->post_port);
1344 while(*status == 0){
1345 if(time_after(jiffies,timeout)){
1346 printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name);
1347 /* We lose 4 bytes of "status" here, but we cannot
1348 free these because controller may awake and corrupt
1349 those bytes at any time */
1350 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1354 schedule_timeout_uninterruptible(1);
1357 if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1358 PDEBUG("%s: Reset in progress...\n", pHba->name);
1359 // Here we wait for message frame to become available
1360 // indicated that reset has finished
1363 m = readl(pHba->post_port);
1364 if (m != EMPTY_QUEUE) {
1367 if(time_after(jiffies,timeout)){
1368 printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name);
1369 /* We lose 4 bytes of "status" here, but we
1370 cannot free these because controller may
1371 awake and corrupt those bytes at any time */
1372 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1375 schedule_timeout_uninterruptible(1);
1376 } while (m == EMPTY_QUEUE);
1378 adpt_send_nop(pHba, m);
1380 adpt_i2o_status_get(pHba);
1381 if(*status == 0x02 ||
1382 pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
1383 printk(KERN_WARNING"%s: Reset reject, trying to clear\n",
1386 PDEBUG("%s: Reset completed.\n", pHba->name);
1389 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
1391 // This delay is to allow someone attached to the card through the debug UART to
1392 // set up the dump levels that they want before the rest of the initialization sequence
1399 static int adpt_i2o_parse_lct(adpt_hba* pHba)
1404 struct i2o_device *d;
1405 i2o_lct *lct = pHba->lct;
1409 u32 buf[10]; // larger than 7, or 8 ...
1410 struct adpt_device* pDev;
1413 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
1417 max = lct->table_size;
1421 for(i=0;i<max;i++) {
1422 if( lct->lct_entry[i].user_tid != 0xfff){
1424 * If we have hidden devices, we need to inform the upper layers about
1425 * the possible maximum id reference to handle device access when
1426 * an array is disassembled. This code has no other purpose but to
1427 * allow us future access to devices that are currently hidden
1428 * behind arrays, hotspares or have not been configured (JBOD mode).
1430 if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE &&
1431 lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL &&
1432 lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1435 tid = lct->lct_entry[i].tid;
1436 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1437 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
1440 bus_no = buf[0]>>16;
1442 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
1443 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1444 printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no);
1447 if (scsi_id >= MAX_ID){
1448 printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no);
1451 if(bus_no > pHba->top_scsi_channel){
1452 pHba->top_scsi_channel = bus_no;
1454 if(scsi_id > pHba->top_scsi_id){
1455 pHba->top_scsi_id = scsi_id;
1457 if(scsi_lun > pHba->top_scsi_lun){
1458 pHba->top_scsi_lun = scsi_lun;
1462 d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
1465 printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name);
1469 d->controller = pHba;
1472 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
1475 tid = d->lct_data.tid;
1476 adpt_i2o_report_hba_unit(pHba, d);
1477 adpt_i2o_install_device(pHba, d);
1480 for(d = pHba->devices; d ; d = d->next) {
1481 if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT ||
1482 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){
1483 tid = d->lct_data.tid;
1484 // TODO get the bus_no from hrt-but for now they are in order
1486 if(bus_no > pHba->top_scsi_channel){
1487 pHba->top_scsi_channel = bus_no;
1489 pHba->channel[bus_no].type = d->lct_data.class_id;
1490 pHba->channel[bus_no].tid = tid;
1491 if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0)
1493 pHba->channel[bus_no].scsi_id = buf[1];
1494 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]);
1496 // TODO remove - this is just until we get from hrt
1498 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1499 printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no);
1505 // Setup adpt_device table
1506 for(d = pHba->devices; d ; d = d->next) {
1507 if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
1508 d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL ||
1509 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1511 tid = d->lct_data.tid;
1513 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1514 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) {
1515 bus_no = buf[0]>>16;
1517 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
1518 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1521 if (scsi_id >= MAX_ID) {
1524 if( pHba->channel[bus_no].device[scsi_id] == NULL){
1525 pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
1529 pHba->channel[bus_no].device[scsi_id] = pDev;
1531 for( pDev = pHba->channel[bus_no].device[scsi_id];
1532 pDev->next_lun; pDev = pDev->next_lun){
1534 pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
1535 if(pDev->next_lun == NULL) {
1538 pDev = pDev->next_lun;
1541 pDev->scsi_channel = bus_no;
1542 pDev->scsi_id = scsi_id;
1543 pDev->scsi_lun = scsi_lun;
1546 pDev->type = (buf[0])&0xff;
1547 pDev->flags = (buf[0]>>8)&0xff;
1548 if(scsi_id > pHba->top_scsi_id){
1549 pHba->top_scsi_id = scsi_id;
1551 if(scsi_lun > pHba->top_scsi_lun){
1552 pHba->top_scsi_lun = scsi_lun;
1556 printk(KERN_WARNING"Could not find SCSI ID for %s\n",
1557 d->lct_data.identity_tag);
1566 * Each I2O controller has a chain of devices on it - these match
1567 * the useful parts of the LCT of the board.
1570 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
1572 mutex_lock(&adpt_configuration_lock);
1575 d->next=pHba->devices;
1577 if (pHba->devices != NULL){
1578 pHba->devices->prev=d;
1583 mutex_unlock(&adpt_configuration_lock);
1587 static int adpt_open(struct inode *inode, struct file *file)
1592 mutex_lock(&adpt_mutex);
1593 //TODO check for root access
1595 minor = iminor(inode);
1596 if (minor >= hba_count) {
1597 mutex_unlock(&adpt_mutex);
1600 mutex_lock(&adpt_configuration_lock);
1601 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1602 if (pHba->unit == minor) {
1603 break; /* found adapter */
1607 mutex_unlock(&adpt_configuration_lock);
1608 mutex_unlock(&adpt_mutex);
1612 // if(pHba->in_use){
1613 // mutex_unlock(&adpt_configuration_lock);
1618 mutex_unlock(&adpt_configuration_lock);
1619 mutex_unlock(&adpt_mutex);
1624 static int adpt_close(struct inode *inode, struct file *file)
1629 minor = iminor(inode);
1630 if (minor >= hba_count) {
1633 mutex_lock(&adpt_configuration_lock);
1634 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1635 if (pHba->unit == minor) {
1636 break; /* found adapter */
1639 mutex_unlock(&adpt_configuration_lock);
1650 static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg)
1652 u32 msg[MAX_MESSAGE_SIZE];
1656 u32 __user *user_msg = arg;
1657 u32 __user * user_reply = NULL;
1658 void **sg_list = NULL;
1668 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1669 // get user msg size in u32s
1670 if(get_user(size, &user_msg[0])){
1675 user_reply = &user_msg[size];
1676 if(size > MAX_MESSAGE_SIZE){
1679 size *= 4; // Convert to bytes
1681 /* Copy in the user's I2O command */
1682 if(copy_from_user(msg, user_msg, size)) {
1685 get_user(reply_size, &user_reply[0]);
1686 reply_size = reply_size>>16;
1687 if(reply_size > REPLY_FRAME_SIZE){
1688 reply_size = REPLY_FRAME_SIZE;
1691 reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
1693 printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name);
1696 sg_offset = (msg[0]>>4)&0xf;
1697 msg[2] = 0x40000000; // IOCTL context
1698 msg[3] = adpt_ioctl_to_context(pHba, reply);
1699 if (msg[3] == (u32)-1) {
1704 sg_list = kcalloc(pHba->sg_tablesize, sizeof(*sg_list), GFP_KERNEL);
1710 // TODO add 64 bit API
1711 struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset);
1712 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1713 if (sg_count > pHba->sg_tablesize){
1714 printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count);
1719 for(i = 0; i < sg_count; i++) {
1722 if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1723 printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count);
1727 sg_size = sg[i].flag_count & 0xffffff;
1728 /* Allocate memory for the transfer */
1729 p = dma_alloc_coherent(&pHba->pDev->dev, sg_size, &addr, GFP_KERNEL);
1731 printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1732 pHba->name,sg_size,i,sg_count);
1736 sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
1737 /* Copy in the user's SG buffer if necessary */
1738 if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1739 // sg_simple_element API is 32 bit
1740 if (copy_from_user(p,(void __user *)(ulong)sg[i].addr_bus, sg_size)) {
1741 printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i);
1746 /* sg_simple_element API is 32 bit, but addr < 4GB */
1747 sg[i].addr_bus = addr;
1753 * Stop any new commands from enterring the
1754 * controller while processing the ioctl
1757 scsi_block_requests(pHba->host);
1758 spin_lock_irqsave(pHba->host->host_lock, flags);
1760 rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER);
1762 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1765 spin_unlock_irqrestore(pHba->host->host_lock, flags);
1766 scsi_unblock_requests(pHba->host);
1768 } while (rcode == -ETIMEDOUT);
1775 /* Copy back the Scatter Gather buffers back to user space */
1777 // TODO add 64 bit API
1778 struct sg_simple_element* sg;
1781 // re-acquire the original message to handle correctly the sg copy operation
1782 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1783 // get user msg size in u32s
1784 if(get_user(size, &user_msg[0])){
1790 if (size > MAX_MESSAGE_SIZE) {
1794 /* Copy in the user's I2O command */
1795 if (copy_from_user (msg, user_msg, size)) {
1799 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1801 // TODO add 64 bit API
1802 sg = (struct sg_simple_element*)(msg + sg_offset);
1803 for (j = 0; j < sg_count; j++) {
1804 /* Copy out the SG list to user's buffer if necessary */
1805 if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1806 sg_size = sg[j].flag_count & 0xffffff;
1807 // sg_simple_element API is 32 bit
1808 if (copy_to_user((void __user *)(ulong)sg[j].addr_bus,sg_list[j], sg_size)) {
1809 printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus);
1817 /* Copy back the reply to user space */
1819 // we wrote our own values for context - now restore the user supplied ones
1820 if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) {
1821 printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name);
1824 if(copy_to_user(user_reply, reply, reply_size)) {
1825 printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name);
1832 if (rcode != -ETIME && rcode != -EINTR) {
1833 struct sg_simple_element *sg =
1834 (struct sg_simple_element*) (msg +sg_offset);
1836 if(sg_list[--sg_index]) {
1837 dma_free_coherent(&pHba->pDev->dev,
1838 sg[sg_index].flag_count & 0xffffff,
1840 sg[sg_index].addr_bus);
1851 #if defined __ia64__
1852 static void adpt_ia64_info(sysInfo_S* si)
1854 // This is all the info we need for now
1855 // We will add more info as our new
1856 // managmenent utility requires it
1857 si->processorType = PROC_IA64;
1861 #if defined __sparc__
1862 static void adpt_sparc_info(sysInfo_S* si)
1864 // This is all the info we need for now
1865 // We will add more info as our new
1866 // managmenent utility requires it
1867 si->processorType = PROC_ULTRASPARC;
1870 #if defined __alpha__
1871 static void adpt_alpha_info(sysInfo_S* si)
1873 // This is all the info we need for now
1874 // We will add more info as our new
1875 // managmenent utility requires it
1876 si->processorType = PROC_ALPHA;
1880 #if defined __i386__
1882 #include <uapi/asm/vm86.h>
1884 static void adpt_i386_info(sysInfo_S* si)
1886 // This is all the info we need for now
1887 // We will add more info as our new
1888 // managmenent utility requires it
1889 switch (boot_cpu_data.x86) {
1891 si->processorType = PROC_386;
1894 si->processorType = PROC_486;
1897 si->processorType = PROC_PENTIUM;
1899 default: // Just in case
1900 si->processorType = PROC_PENTIUM;
1907 * This routine returns information about the system. This does not effect
1908 * any logic and if the info is wrong - it doesn't matter.
1911 /* Get all the info we can not get from kernel services */
1912 static int adpt_system_info(void __user *buffer)
1916 memset(&si, 0, sizeof(si));
1918 si.osType = OS_LINUX;
1919 si.osMajorVersion = 0;
1920 si.osMinorVersion = 0;
1922 si.busType = SI_PCI_BUS;
1923 si.processorFamily = DPTI_sig.dsProcessorFamily;
1925 #if defined __i386__
1926 adpt_i386_info(&si);
1927 #elif defined (__ia64__)
1928 adpt_ia64_info(&si);
1929 #elif defined(__sparc__)
1930 adpt_sparc_info(&si);
1931 #elif defined (__alpha__)
1932 adpt_alpha_info(&si);
1934 si.processorType = 0xff ;
1936 if (copy_to_user(buffer, &si, sizeof(si))){
1937 printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
1944 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
1950 void __user *argp = (void __user *)arg;
1952 minor = iminor(inode);
1953 if (minor >= DPTI_MAX_HBA){
1956 mutex_lock(&adpt_configuration_lock);
1957 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1958 if (pHba->unit == minor) {
1959 break; /* found adapter */
1962 mutex_unlock(&adpt_configuration_lock);
1967 while((volatile u32) pHba->state & DPTI_STATE_RESET )
1968 schedule_timeout_uninterruptible(2);
1971 // TODO: handle 3 cases
1973 if (copy_to_user(argp, &DPTI_sig, sizeof(DPTI_sig))) {
1978 return adpt_i2o_passthru(pHba, argp);
1981 drvrHBAinfo_S HbaInfo;
1983 #define FLG_OSD_PCI_VALID 0x0001
1984 #define FLG_OSD_DMA 0x0002
1985 #define FLG_OSD_I2O 0x0004
1986 memset(&HbaInfo, 0, sizeof(HbaInfo));
1987 HbaInfo.drvrHBAnum = pHba->unit;
1988 HbaInfo.baseAddr = (ulong) pHba->base_addr_phys;
1989 HbaInfo.blinkState = adpt_read_blink_led(pHba);
1990 HbaInfo.pciBusNum = pHba->pDev->bus->number;
1991 HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn);
1992 HbaInfo.Interrupt = pHba->pDev->irq;
1993 HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O;
1994 if(copy_to_user(argp, &HbaInfo, sizeof(HbaInfo))){
1995 printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name);
2001 return adpt_system_info(argp);
2004 value = (u32)adpt_read_blink_led(pHba);
2005 if (copy_to_user(argp, &value, sizeof(value))) {
2011 struct Scsi_Host *shost = pHba->host;
2014 spin_lock_irqsave(shost->host_lock, flags);
2015 adpt_hba_reset(pHba);
2017 spin_unlock_irqrestore(shost->host_lock, flags);
2030 static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg)
2032 struct inode *inode;
2035 inode = file_inode(file);
2037 mutex_lock(&adpt_mutex);
2038 ret = adpt_ioctl(inode, file, cmd, arg);
2039 mutex_unlock(&adpt_mutex);
2044 #ifdef CONFIG_COMPAT
2045 static long compat_adpt_ioctl(struct file *file,
2046 unsigned int cmd, unsigned long arg)
2048 struct inode *inode;
2051 inode = file_inode(file);
2053 mutex_lock(&adpt_mutex);
2063 case (DPT_TARGET_BUSY & 0xFFFF):
2064 case DPT_TARGET_BUSY:
2065 ret = adpt_ioctl(inode, file, cmd, arg);
2071 mutex_unlock(&adpt_mutex);
2077 static irqreturn_t adpt_isr(int irq, void *dev_id)
2079 struct scsi_cmnd* cmd;
2080 adpt_hba* pHba = dev_id;
2082 void __iomem *reply;
2089 printk(KERN_WARNING"adpt_isr: NULL dev_id\n");
2093 spin_lock_irqsave(pHba->host->host_lock, flags);
2095 while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) {
2096 m = readl(pHba->reply_port);
2097 if(m == EMPTY_QUEUE){
2098 // Try twice then give up
2100 m = readl(pHba->reply_port);
2101 if(m == EMPTY_QUEUE){
2102 // This really should not happen
2103 printk(KERN_ERR"dpti: Could not get reply frame\n");
2107 if (pHba->reply_pool_pa <= m &&
2108 m < pHba->reply_pool_pa +
2109 (pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4)) {
2110 reply = (u8 *)pHba->reply_pool +
2111 (m - pHba->reply_pool_pa);
2113 /* Ick, we should *never* be here */
2114 printk(KERN_ERR "dpti: reply frame not from pool\n");
2115 reply = (u8 *)bus_to_virt(m);
2118 if (readl(reply) & MSG_FAIL) {
2119 u32 old_m = readl(reply+28);
2122 PDEBUG("%s: Failed message\n",pHba->name);
2123 if(old_m >= 0x100000){
2124 printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m);
2125 writel(m,pHba->reply_port);
2128 // Transaction context is 0 in failed reply frame
2129 msg = pHba->msg_addr_virt + old_m;
2130 old_context = readl(msg+12);
2131 writel(old_context, reply+12);
2132 adpt_send_nop(pHba, old_m);
2134 context = readl(reply+8);
2135 if(context & 0x40000000){ // IOCTL
2136 void *p = adpt_ioctl_from_context(pHba, readl(reply+12));
2138 memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4);
2140 // All IOCTLs will also be post wait
2142 if(context & 0x80000000){ // Post wait message
2143 status = readl(reply+16);
2145 status &= 0xffff; /* Get detail status */
2147 status = I2O_POST_WAIT_OK;
2149 if(!(context & 0x40000000)) {
2151 * The request tag is one less than the command tag
2152 * as the firmware might treat a 0 tag as invalid
2154 cmd = scsi_host_find_tag(pHba->host,
2155 readl(reply + 12) - 1);
2157 printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context);
2160 adpt_i2o_post_wait_complete(context, status);
2161 } else { // SCSI message
2163 * The request tag is one less than the command tag
2164 * as the firmware might treat a 0 tag as invalid
2166 cmd = scsi_host_find_tag(pHba->host,
2167 readl(reply + 12) - 1);
2169 scsi_dma_unmap(cmd);
2170 adpt_i2o_scsi_complete(reply, cmd);
2173 writel(m, pHba->reply_port);
2179 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2180 return IRQ_RETVAL(handled);
2183 static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* d)
2186 u32 msg[MAX_MESSAGE_SIZE];
2198 memset(msg, 0 , sizeof(msg));
2199 len = scsi_bufflen(cmd);
2200 direction = 0x00000000;
2202 scsidir = 0x00000000; // DATA NO XFER
2205 * Set SCBFlags to indicate if data is being transferred
2206 * in or out, or no data transfer
2207 * Note: Do not have to verify index is less than 0 since
2208 * cmd->cmnd[0] is an unsigned char
2210 switch(cmd->sc_data_direction){
2211 case DMA_FROM_DEVICE:
2212 scsidir =0x40000000; // DATA IN (iop<--dev)
2215 direction=0x04000000; // SGL OUT
2216 scsidir =0x80000000; // DATA OUT (iop-->dev)
2220 case DMA_BIDIRECTIONAL:
2221 scsidir =0x40000000; // DATA IN (iop<--dev)
2222 // Assume In - and continue;
2225 printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n",
2226 pHba->name, cmd->cmnd[0]);
2227 cmd->result = (DID_ERROR <<16);
2232 // msg[0] is set later
2233 // I2O_CMD_SCSI_EXEC
2234 msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid);
2236 /* Add 1 to avoid firmware treating it as invalid command */
2237 msg[3] = scsi_cmd_to_rq(cmd)->tag + 1;
2238 // Our cards use the transaction context as the tag for queueing
2239 // Adaptec/DPT Private stuff
2240 msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16);
2242 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2243 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2244 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2245 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2246 msg[6] = scsidir|0x20a00000|cmd->cmd_len;
2250 // Write SCSI command into the message - always 16 byte block
2251 memset(mptr, 0, 16);
2252 memcpy(mptr, cmd->cmnd, cmd->cmd_len);
2254 lenptr=mptr++; /* Remember me - fill in when we know */
2255 if (dpt_dma64(pHba)) {
2256 reqlen = 16; // SINGLE SGE
2257 *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
2258 *mptr++ = 1 << PAGE_SHIFT;
2260 reqlen = 14; // SINGLE SGE
2262 /* Now fill in the SGList and command */
2264 nseg = scsi_dma_map(cmd);
2267 struct scatterlist *sg;
2270 scsi_for_each_sg(cmd, sg, nseg, i) {
2272 *mptr++ = direction|0x10000000|sg_dma_len(sg);
2273 len+=sg_dma_len(sg);
2274 addr = sg_dma_address(sg);
2275 *mptr++ = dma_low(addr);
2276 if (dpt_dma64(pHba))
2277 *mptr++ = dma_high(addr);
2278 /* Make this an end of list */
2280 *lptr = direction|0xD0000000|sg_dma_len(sg);
2282 reqlen = mptr - msg;
2285 if(cmd->underflow && len != cmd->underflow){
2286 printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n",
2287 len, cmd->underflow);
2294 /* Stick the headers on */
2295 msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0);
2297 // Send it on it's way
2298 rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2);
2306 static s32 adpt_scsi_host_alloc(adpt_hba* pHba, struct scsi_host_template *sht)
2308 struct Scsi_Host *host;
2310 host = scsi_host_alloc(sht, sizeof(adpt_hba*));
2312 printk("%s: scsi_host_alloc returned NULL\n", pHba->name);
2315 host->hostdata[0] = (unsigned long)pHba;
2318 host->irq = pHba->pDev->irq;
2319 /* no IO ports, so don't have to set host->io_port and
2323 host->n_io_port = 0;
2324 /* see comments in scsi_host.h */
2326 host->max_lun = 256;
2327 host->max_channel = pHba->top_scsi_channel + 1;
2328 host->cmd_per_lun = 1;
2329 host->unique_id = (u32)sys_tbl_pa + pHba->unit;
2330 host->sg_tablesize = pHba->sg_tablesize;
2331 host->can_queue = pHba->post_fifo_size;
2337 static void adpt_i2o_scsi_complete(void __iomem *reply, struct scsi_cmnd *cmd)
2342 u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits
2343 // I know this would look cleaner if I just read bytes
2344 // but the model I have been using for all the rest of the
2345 // io is in 4 byte words - so I keep that model
2346 u16 detailed_status = readl(reply+16) &0xffff;
2347 dev_status = (detailed_status & 0xff);
2348 hba_status = detailed_status >> 8;
2350 // calculate resid for sg
2351 scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+20));
2353 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
2355 cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false
2357 if(!(reply_flags & MSG_FAIL)) {
2358 switch(detailed_status & I2O_SCSI_DSC_MASK) {
2359 case I2O_SCSI_DSC_SUCCESS:
2360 cmd->result = (DID_OK << 16);
2362 if (readl(reply+20) < cmd->underflow) {
2363 cmd->result = (DID_ERROR <<16);
2364 printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name);
2367 case I2O_SCSI_DSC_REQUEST_ABORTED:
2368 cmd->result = (DID_ABORT << 16);
2370 case I2O_SCSI_DSC_PATH_INVALID:
2371 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT:
2372 case I2O_SCSI_DSC_SELECTION_TIMEOUT:
2373 case I2O_SCSI_DSC_COMMAND_TIMEOUT:
2374 case I2O_SCSI_DSC_NO_ADAPTER:
2375 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE:
2376 printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%llu) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2377 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]);
2378 cmd->result = (DID_TIME_OUT << 16);
2380 case I2O_SCSI_DSC_ADAPTER_BUSY:
2381 case I2O_SCSI_DSC_BUS_BUSY:
2382 cmd->result = (DID_BUS_BUSY << 16);
2384 case I2O_SCSI_DSC_SCSI_BUS_RESET:
2385 case I2O_SCSI_DSC_BDR_MESSAGE_SENT:
2386 cmd->result = (DID_RESET << 16);
2388 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE:
2389 printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name);
2390 cmd->result = (DID_PARITY << 16);
2392 case I2O_SCSI_DSC_UNABLE_TO_ABORT:
2393 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR:
2394 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE:
2395 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED:
2396 case I2O_SCSI_DSC_AUTOSENSE_FAILED:
2397 case I2O_SCSI_DSC_DATA_OVERRUN:
2398 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE:
2399 case I2O_SCSI_DSC_SEQUENCE_FAILURE:
2400 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR:
2401 case I2O_SCSI_DSC_PROVIDE_FAILURE:
2402 case I2O_SCSI_DSC_REQUEST_TERMINATED:
2403 case I2O_SCSI_DSC_IDE_MESSAGE_SENT:
2404 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT:
2405 case I2O_SCSI_DSC_MESSAGE_RECEIVED:
2406 case I2O_SCSI_DSC_INVALID_CDB:
2407 case I2O_SCSI_DSC_LUN_INVALID:
2408 case I2O_SCSI_DSC_SCSI_TID_INVALID:
2409 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE:
2410 case I2O_SCSI_DSC_NO_NEXUS:
2411 case I2O_SCSI_DSC_CDB_RECEIVED:
2412 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED:
2413 case I2O_SCSI_DSC_QUEUE_FROZEN:
2414 case I2O_SCSI_DSC_REQUEST_INVALID:
2416 printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2417 pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2418 hba_status, dev_status, cmd->cmnd[0]);
2419 cmd->result = (DID_ERROR << 16);
2423 // copy over the request sense data if it was a check
2425 if (dev_status == SAM_STAT_CHECK_CONDITION) {
2426 u32 len = min(SCSI_SENSE_BUFFERSIZE, 40);
2427 // Copy over the sense data
2428 memcpy_fromio(cmd->sense_buffer, (reply+28) , len);
2429 if(cmd->sense_buffer[0] == 0x70 /* class 7 */ &&
2430 cmd->sense_buffer[2] == DATA_PROTECT ){
2431 /* This is to handle an array failed */
2432 cmd->result = (DID_TIME_OUT << 16);
2433 printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2434 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2435 hba_status, dev_status, cmd->cmnd[0]);
2440 /* In this condtion we could not talk to the tid
2441 * the card rejected it. We should signal a retry
2442 * for a limitted number of retries.
2444 cmd->result = (DID_TIME_OUT << 16);
2445 printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%llu) tid=%d, cmd=0x%x\n",
2446 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2447 ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]);
2450 cmd->result |= (dev_status);
2456 static s32 adpt_rescan(adpt_hba* pHba)
2462 spin_lock_irqsave(pHba->host->host_lock, flags);
2463 if ((rcode=adpt_i2o_lct_get(pHba)) < 0)
2465 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0)
2469 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2474 static s32 adpt_i2o_reparse_lct(adpt_hba* pHba)
2479 struct i2o_device *d;
2480 i2o_lct *lct = pHba->lct;
2484 u32 buf[10]; // at least 8 u32's
2485 struct adpt_device* pDev = NULL;
2486 struct i2o_device* pI2o_dev = NULL;
2489 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
2493 max = lct->table_size;
2497 // Mark each drive as unscanned
2498 for (d = pHba->devices; d; d = d->next) {
2499 pDev =(struct adpt_device*) d->owner;
2503 pDev->state |= DPTI_DEV_UNSCANNED;
2506 printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max);
2508 for(i=0;i<max;i++) {
2509 if( lct->lct_entry[i].user_tid != 0xfff){
2513 if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
2514 lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL ||
2515 lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
2516 tid = lct->lct_entry[i].tid;
2517 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
2518 printk(KERN_ERR"%s: Could not query device\n",pHba->name);
2521 bus_no = buf[0]>>16;
2522 if (bus_no >= MAX_CHANNEL) { /* Something wrong skip it */
2524 "%s: Channel number %d out of range\n",
2525 pHba->name, bus_no);
2530 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
2531 pDev = pHba->channel[bus_no].device[scsi_id];
2534 if(pDev->scsi_lun == scsi_lun) {
2537 pDev = pDev->next_lun;
2539 if(!pDev ) { // Something new add it
2540 d = kmalloc(sizeof(struct i2o_device),
2544 printk(KERN_CRIT "Out of memory for I2O device data.\n");
2548 d->controller = pHba;
2551 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2554 adpt_i2o_report_hba_unit(pHba, d);
2555 adpt_i2o_install_device(pHba, d);
2557 pDev = pHba->channel[bus_no].device[scsi_id];
2560 kzalloc(sizeof(struct adpt_device),
2565 pHba->channel[bus_no].device[scsi_id] = pDev;
2567 while (pDev->next_lun) {
2568 pDev = pDev->next_lun;
2570 pDev = pDev->next_lun =
2571 kzalloc(sizeof(struct adpt_device),
2577 pDev->tid = d->lct_data.tid;
2578 pDev->scsi_channel = bus_no;
2579 pDev->scsi_id = scsi_id;
2580 pDev->scsi_lun = scsi_lun;
2583 pDev->type = (buf[0])&0xff;
2584 pDev->flags = (buf[0]>>8)&0xff;
2585 // Too late, SCSI system has made up it's mind, but what the hey ...
2586 if(scsi_id > pHba->top_scsi_id){
2587 pHba->top_scsi_id = scsi_id;
2589 if(scsi_lun > pHba->top_scsi_lun){
2590 pHba->top_scsi_lun = scsi_lun;
2593 } // end of new i2o device
2595 // We found an old device - check it
2597 if(pDev->scsi_lun == scsi_lun) {
2598 if(!scsi_device_online(pDev->pScsi_dev)) {
2599 printk(KERN_WARNING"%s: Setting device (%d,%d,%llu) back online\n",
2600 pHba->name,bus_no,scsi_id,scsi_lun);
2601 if (pDev->pScsi_dev) {
2602 scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING);
2606 if(d->lct_data.tid != tid) { // something changed
2608 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2609 if (pDev->pScsi_dev) {
2610 pDev->pScsi_dev->changed = TRUE;
2611 pDev->pScsi_dev->removable = TRUE;
2614 // Found it - mark it scanned
2615 pDev->state = DPTI_DEV_ONLINE;
2618 pDev = pDev->next_lun;
2622 for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) {
2623 pDev =(struct adpt_device*) pI2o_dev->owner;
2627 // Drive offline drives that previously existed but could not be found
2629 if (pDev->state & DPTI_DEV_UNSCANNED){
2630 pDev->state = DPTI_DEV_OFFLINE;
2631 printk(KERN_WARNING"%s: Device (%d,%d,%llu) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun);
2632 if (pDev->pScsi_dev) {
2633 scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE);
2640 /*============================================================================
2641 * Routines from i2o subsystem
2642 *============================================================================
2648 * Bring an I2O controller into HOLD state. See the spec.
2650 static int adpt_i2o_activate_hba(adpt_hba* pHba)
2654 if(pHba->initialized ) {
2655 if (adpt_i2o_status_get(pHba) < 0) {
2656 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2657 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2660 if (adpt_i2o_status_get(pHba) < 0) {
2661 printk(KERN_INFO "HBA not responding.\n");
2666 if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) {
2667 printk(KERN_CRIT "%s: hardware fault\n", pHba->name);
2671 if (pHba->status_block->iop_state == ADAPTER_STATE_READY ||
2672 pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL ||
2673 pHba->status_block->iop_state == ADAPTER_STATE_HOLD ||
2674 pHba->status_block->iop_state == ADAPTER_STATE_FAILED) {
2675 adpt_i2o_reset_hba(pHba);
2676 if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
2677 printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name);
2682 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2683 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2689 if (adpt_i2o_init_outbound_q(pHba) < 0) {
2695 if (adpt_i2o_hrt_get(pHba) < 0) {
2703 * Bring a controller online into OPERATIONAL state.
2706 static int adpt_i2o_online_hba(adpt_hba* pHba)
2708 if (adpt_i2o_systab_send(pHba) < 0)
2710 /* In READY state */
2712 if (adpt_i2o_enable_hba(pHba) < 0)
2715 /* In OPERATIONAL state */
2719 static s32 adpt_send_nop(adpt_hba*pHba,u32 m)
2722 ulong timeout = jiffies + 5*HZ;
2724 while(m == EMPTY_QUEUE){
2726 m = readl(pHba->post_port);
2727 if(m != EMPTY_QUEUE){
2730 if(time_after(jiffies,timeout)){
2731 printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name);
2734 schedule_timeout_uninterruptible(1);
2736 msg = (u32 __iomem *)(pHba->msg_addr_virt + m);
2737 writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]);
2738 writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]);
2742 writel(m, pHba->post_port);
2747 static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
2751 u32 __iomem *msg = NULL;
2753 ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ;
2758 m = readl(pHba->post_port);
2759 if (m != EMPTY_QUEUE) {
2763 if(time_after(jiffies,timeout)){
2764 printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name);
2767 schedule_timeout_uninterruptible(1);
2768 } while(m == EMPTY_QUEUE);
2770 msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
2772 status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
2774 adpt_send_nop(pHba, m);
2775 printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n",
2780 writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]);
2781 writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]);
2783 writel(0x0106, &msg[3]); /* Transaction context */
2784 writel(4096, &msg[4]); /* Host page frame size */
2785 writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */
2786 writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */
2787 writel((u32)addr, &msg[7]);
2789 writel(m, pHba->post_port);
2792 // Wait for the reply status to come back
2795 if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2800 if(time_after(jiffies,timeout)){
2801 printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name);
2802 /* We lose 4 bytes of "status" here, but we
2803 cannot free these because controller may
2804 awake and corrupt those bytes at any time */
2805 /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
2808 schedule_timeout_uninterruptible(1);
2811 // If the command was successful, fill the fifo with our reply
2813 if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2814 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
2817 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
2819 if(pHba->reply_pool != NULL) {
2820 dma_free_coherent(&pHba->pDev->dev,
2821 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
2822 pHba->reply_pool, pHba->reply_pool_pa);
2825 pHba->reply_pool = dma_alloc_coherent(&pHba->pDev->dev,
2826 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
2827 &pHba->reply_pool_pa, GFP_KERNEL);
2828 if (!pHba->reply_pool) {
2829 printk(KERN_ERR "%s: Could not allocate reply pool\n", pHba->name);
2833 for(i = 0; i < pHba->reply_fifo_size; i++) {
2834 writel(pHba->reply_pool_pa + (i * REPLY_FRAME_SIZE * 4),
2838 adpt_i2o_status_get(pHba);
2844 * I2O System Table. Contains information about
2845 * all the IOPs in the system. Used to inform IOPs
2846 * about each other's existence.
2848 * sys_tbl_ver is the CurrentChangeIndicator that is
2849 * used by IOPs to track changes.
2854 static s32 adpt_i2o_status_get(adpt_hba* pHba)
2859 u8 *status_block=NULL;
2861 if(pHba->status_block == NULL) {
2862 pHba->status_block = dma_alloc_coherent(&pHba->pDev->dev,
2863 sizeof(i2o_status_block),
2864 &pHba->status_block_pa, GFP_KERNEL);
2865 if(pHba->status_block == NULL) {
2867 "dpti%d: Get Status Block failed; Out of memory. \n",
2872 memset(pHba->status_block, 0, sizeof(i2o_status_block));
2873 status_block = (u8*)(pHba->status_block);
2874 timeout = jiffies+TMOUT_GETSTATUS*HZ;
2877 m = readl(pHba->post_port);
2878 if (m != EMPTY_QUEUE) {
2881 if(time_after(jiffies,timeout)){
2882 printk(KERN_ERR "%s: Timeout waiting for message !\n",
2886 schedule_timeout_uninterruptible(1);
2887 } while(m==EMPTY_QUEUE);
2890 msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
2892 writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]);
2893 writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]);
2898 writel( dma_low(pHba->status_block_pa), &msg[6]);
2899 writel( dma_high(pHba->status_block_pa), &msg[7]);
2900 writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes
2903 writel(m, pHba->post_port);
2906 while(status_block[87]!=0xff){
2907 if(time_after(jiffies,timeout)){
2908 printk(KERN_ERR"dpti%d: Get status timeout.\n",
2913 schedule_timeout_uninterruptible(1);
2916 // Set up our number of outbound and inbound messages
2917 pHba->post_fifo_size = pHba->status_block->max_inbound_frames;
2918 if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) {
2919 pHba->post_fifo_size = MAX_TO_IOP_MESSAGES;
2922 pHba->reply_fifo_size = pHba->status_block->max_outbound_frames;
2923 if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) {
2924 pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES;
2927 // Calculate the Scatter Gather list size
2928 if (dpt_dma64(pHba)) {
2930 = ((pHba->status_block->inbound_frame_size * 4
2932 / (sizeof(struct sg_simple_element) + sizeof(u32)));
2935 = ((pHba->status_block->inbound_frame_size * 4
2937 / sizeof(struct sg_simple_element));
2939 if (pHba->sg_tablesize > SG_LIST_ELEMENTS) {
2940 pHba->sg_tablesize = SG_LIST_ELEMENTS;
2945 printk("dpti%d: State = ",pHba->unit);
2946 switch(pHba->status_block->iop_state) {
2960 printk("OPERATIONAL\n");
2966 printk("FAULTED\n");
2969 printk("%x (unknown!!)\n",pHba->status_block->iop_state);
2976 * Get the IOP's Logical Configuration Table
2978 static int adpt_i2o_lct_get(adpt_hba* pHba)
2984 if ((pHba->lct_size == 0) || (pHba->lct == NULL)){
2985 pHba->lct_size = pHba->status_block->expected_lct_size;
2988 if (pHba->lct == NULL) {
2989 pHba->lct = dma_alloc_coherent(&pHba->pDev->dev,
2990 pHba->lct_size, &pHba->lct_pa,
2992 if(pHba->lct == NULL) {
2993 printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n",
2998 memset(pHba->lct, 0, pHba->lct_size);
3000 msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6;
3001 msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID;
3004 msg[4] = 0xFFFFFFFF; /* All devices */
3005 msg[5] = 0x00000000; /* Report now */
3006 msg[6] = 0xD0000000|pHba->lct_size;
3007 msg[7] = (u32)pHba->lct_pa;
3009 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) {
3010 printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n",
3012 printk(KERN_ERR"Adaptec: Error Reading Hardware.\n");
3016 if ((pHba->lct->table_size << 2) > pHba->lct_size) {
3017 pHba->lct_size = pHba->lct->table_size << 2;
3018 dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
3019 pHba->lct, pHba->lct_pa);
3022 } while (pHba->lct == NULL);
3024 PDEBUG("%s: Hardware resource table read.\n", pHba->name);
3027 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
3028 if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) {
3029 pHba->FwDebugBufferSize = buf[1];
3030 pHba->FwDebugBuffer_P = ioremap(pHba->base_addr_phys + buf[0],
3031 pHba->FwDebugBufferSize);
3032 if (pHba->FwDebugBuffer_P) {
3033 pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P +
3034 FW_DEBUG_FLAGS_OFFSET;
3035 pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P +
3036 FW_DEBUG_BLED_OFFSET;
3037 pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1;
3038 pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P +
3039 FW_DEBUG_STR_LENGTH_OFFSET;
3040 pHba->FwDebugBuffer_P += buf[2];
3041 pHba->FwDebugFlags = 0;
3048 static int adpt_i2o_build_sys_table(void)
3050 adpt_hba* pHba = hba_chain;
3054 dma_free_coherent(&pHba->pDev->dev, sys_tbl_len,
3055 sys_tbl, sys_tbl_pa);
3057 sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs
3058 (hba_count) * sizeof(struct i2o_sys_tbl_entry);
3060 sys_tbl = dma_alloc_coherent(&pHba->pDev->dev,
3061 sys_tbl_len, &sys_tbl_pa, GFP_KERNEL);
3063 printk(KERN_WARNING "SysTab Set failed. Out of memory.\n");
3067 sys_tbl->num_entries = hba_count;
3068 sys_tbl->version = I2OVERSION;
3069 sys_tbl->change_ind = sys_tbl_ind++;
3071 for(pHba = hba_chain; pHba; pHba = pHba->next) {
3073 // Get updated Status Block so we have the latest information
3074 if (adpt_i2o_status_get(pHba)) {
3075 sys_tbl->num_entries--;
3076 continue; // try next one
3079 sys_tbl->iops[count].org_id = pHba->status_block->org_id;
3080 sys_tbl->iops[count].iop_id = pHba->unit + 2;
3081 sys_tbl->iops[count].seg_num = 0;
3082 sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version;
3083 sys_tbl->iops[count].iop_state = pHba->status_block->iop_state;
3084 sys_tbl->iops[count].msg_type = pHba->status_block->msg_type;
3085 sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size;
3086 sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ??
3087 sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities;
3088 addr = pHba->base_addr_phys + 0x40;
3089 sys_tbl->iops[count].inbound_low = dma_low(addr);
3090 sys_tbl->iops[count].inbound_high = dma_high(addr);
3097 u32 *table = (u32*)sys_tbl;
3098 printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2));
3099 for(count = 0; count < (sys_tbl_len >>2); count++) {
3100 printk(KERN_INFO "sys_tbl[%d] = %0#10x\n",
3101 count, table[count]);
3111 * Dump the information block associated with a given unit (TID)
3114 static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d)
3117 int unit = d->lct_data.tid;
3119 printk(KERN_INFO "TID %3.3d ", unit);
3121 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0)
3124 printk(" Vendor: %-12.12s", buf);
3126 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0)
3129 printk(" Device: %-12.12s", buf);
3131 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0)
3134 printk(" Rev: %-12.12s\n", buf);
3137 printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id));
3138 printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class);
3139 printk(KERN_INFO "\tFlags: ");
3141 if(d->lct_data.device_flags&(1<<0))
3142 printk("C"); // ConfigDialog requested
3143 if(d->lct_data.device_flags&(1<<1))
3144 printk("U"); // Multi-user capable
3145 if(!(d->lct_data.device_flags&(1<<4)))
3146 printk("P"); // Peer service enabled!
3147 if(!(d->lct_data.device_flags&(1<<5)))
3148 printk("M"); // Mgmt service enabled!
3155 * Do i2o class name lookup
3157 static const char *adpt_i2o_get_class_name(int class)
3160 static char *i2o_class_name[] = {
3162 "Device Driver Module",
3167 "Fibre Channel Port",
3168 "Fibre Channel Device",
3172 "Floppy Controller",
3174 "Secondary Bus Port",
3175 "Peer Transport Agent",
3180 switch(class&0xFFF) {
3181 case I2O_CLASS_EXECUTIVE:
3185 case I2O_CLASS_RANDOM_BLOCK_STORAGE:
3187 case I2O_CLASS_SEQUENTIAL_STORAGE:
3193 case I2O_CLASS_FIBRE_CHANNEL_PORT:
3195 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL:
3197 case I2O_CLASS_SCSI_PERIPHERAL:
3199 case I2O_CLASS_ATE_PORT:
3201 case I2O_CLASS_ATE_PERIPHERAL:
3203 case I2O_CLASS_FLOPPY_CONTROLLER:
3205 case I2O_CLASS_FLOPPY_DEVICE:
3207 case I2O_CLASS_BUS_ADAPTER_PORT:
3209 case I2O_CLASS_PEER_TRANSPORT_AGENT:
3211 case I2O_CLASS_PEER_TRANSPORT:
3214 return i2o_class_name[idx];
3219 static s32 adpt_i2o_hrt_get(adpt_hba* pHba)
3222 int ret, size = sizeof(i2o_hrt);
3225 if (pHba->hrt == NULL) {
3226 pHba->hrt = dma_alloc_coherent(&pHba->pDev->dev,
3227 size, &pHba->hrt_pa, GFP_KERNEL);
3228 if (pHba->hrt == NULL) {
3229 printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name);
3234 msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4;
3235 msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID;
3238 msg[4]= (0xD0000000 | size); /* Simple transaction */
3239 msg[5]= (u32)pHba->hrt_pa; /* Dump it here */
3241 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) {
3242 printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret);
3246 if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) {
3247 int newsize = pHba->hrt->num_entries * pHba->hrt->entry_len << 2;
3248 dma_free_coherent(&pHba->pDev->dev, size,
3249 pHba->hrt, pHba->hrt_pa);
3253 } while(pHba->hrt == NULL);
3258 * Query one scalar group value or a whole scalar group.
3260 static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
3261 int group, int field, void *buf, int buflen)
3263 u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field };
3265 dma_addr_t opblk_pa;
3267 dma_addr_t resblk_pa;
3271 /* 8 bytes for header */
3272 resblk_va = dma_alloc_coherent(&pHba->pDev->dev,
3273 sizeof(u8) * (8 + buflen), &resblk_pa, GFP_KERNEL);
3274 if (resblk_va == NULL) {
3275 printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name);
3279 opblk_va = dma_alloc_coherent(&pHba->pDev->dev,
3280 sizeof(opblk), &opblk_pa, GFP_KERNEL);
3281 if (opblk_va == NULL) {
3282 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3283 resblk_va, resblk_pa);
3284 printk(KERN_CRIT "%s: query operation failed; Out of memory.\n",
3288 if (field == -1) /* whole group */
3291 memcpy(opblk_va, opblk, sizeof(opblk));
3292 size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid,
3293 opblk_va, opblk_pa, sizeof(opblk),
3294 resblk_va, resblk_pa, sizeof(u8)*(8+buflen));
3295 dma_free_coherent(&pHba->pDev->dev, sizeof(opblk), opblk_va, opblk_pa);
3296 if (size == -ETIME) {
3297 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3298 resblk_va, resblk_pa);
3299 printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name);
3301 } else if (size == -EINTR) {
3302 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3303 resblk_va, resblk_pa);
3304 printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name);
3308 memcpy(buf, resblk_va+8, buflen); /* cut off header */
3310 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3311 resblk_va, resblk_pa);
3319 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3321 * This function can be used for all UtilParamsGet/Set operations.
3322 * The OperationBlock is given in opblk-buffer,
3323 * and results are returned in resblk-buffer.
3324 * Note that the minimum sized resblk is 8 bytes and contains
3325 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3327 static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
3328 void *opblk_va, dma_addr_t opblk_pa, int oplen,
3329 void *resblk_va, dma_addr_t resblk_pa, int reslen)
3332 u32 *res = (u32 *)resblk_va;
3335 msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5;
3336 msg[1] = cmd << 24 | HOST_TID << 12 | tid;
3340 msg[5] = 0x54000000 | oplen; /* OperationBlock */
3341 msg[6] = (u32)opblk_pa;
3342 msg[7] = 0xD0000000 | reslen; /* ResultBlock */
3343 msg[8] = (u32)resblk_pa;
3345 if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) {
3346 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va);
3347 return wait_status; /* -DetailedStatus */
3350 if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3351 printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3352 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3354 (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET"
3356 res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF);
3357 return -((res[1] >> 16) & 0xFF); /* -BlockStatus */
3360 return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3364 static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba)
3369 adpt_i2o_status_get(pHba);
3371 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3373 if((pHba->status_block->iop_state != ADAPTER_STATE_READY) &&
3374 (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){
3378 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3379 msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID;
3383 if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3384 printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n",
3387 printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit);
3390 adpt_i2o_status_get(pHba);
3396 * Enable IOP. Allows the IOP to resume external operations.
3398 static int adpt_i2o_enable_hba(adpt_hba* pHba)
3403 adpt_i2o_status_get(pHba);
3404 if(!pHba->status_block){
3407 /* Enable only allowed on READY state */
3408 if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL)
3411 if(pHba->status_block->iop_state != ADAPTER_STATE_READY)
3414 msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3415 msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID;
3419 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3420 printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n",
3423 PDEBUG("%s: Enabled.\n", pHba->name);
3426 adpt_i2o_status_get(pHba);
3431 static int adpt_i2o_systab_send(adpt_hba* pHba)
3436 msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6;
3437 msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID;
3440 msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */
3441 msg[5] = 0; /* Segment 0 */
3444 * Provide three SGL-elements:
3445 * System table (SysTab), Private memory space declaration and
3446 * Private i/o space declaration
3448 msg[6] = 0x54000000 | sys_tbl_len;
3449 msg[7] = (u32)sys_tbl_pa;
3450 msg[8] = 0x54000000 | 0;
3452 msg[10] = 0xD4000000 | 0;
3455 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) {
3456 printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n",
3461 PINFO("%s: SysTab set.\n", pHba->name);
3469 /*============================================================================
3471 *============================================================================
3477 static static void adpt_delay(int millisec)
3480 for (i = 0; i < millisec; i++) {
3481 udelay(1000); /* delay for one millisecond */
3487 static struct scsi_host_template driver_template = {
3488 .module = THIS_MODULE,
3490 .proc_name = "dpt_i2o",
3491 .show_info = adpt_show_info,
3493 .queuecommand = adpt_queue,
3494 .eh_abort_handler = adpt_abort,
3495 .eh_device_reset_handler = adpt_device_reset,
3496 .eh_bus_reset_handler = adpt_bus_reset,
3497 .eh_host_reset_handler = adpt_reset,
3498 .bios_param = adpt_bios_param,
3499 .slave_configure = adpt_slave_configure,
3500 .can_queue = MAX_TO_IOP_MESSAGES,
3504 static int __init adpt_init(void)
3507 adpt_hba *pHba, *next;
3509 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
3511 error = adpt_detect(&driver_template);
3514 if (hba_chain == NULL)
3517 for (pHba = hba_chain; pHba; pHba = pHba->next) {
3518 error = scsi_add_host(pHba->host, &pHba->pDev->dev);
3521 scsi_scan_host(pHba->host);
3525 for (pHba = hba_chain; pHba; pHba = next) {
3527 scsi_remove_host(pHba->host);
3532 static void __exit adpt_exit(void)
3534 adpt_hba *pHba, *next;
3536 for (pHba = hba_chain; pHba; pHba = next) {
3542 module_init(adpt_init);
3543 module_exit(adpt_exit);
3545 MODULE_LICENSE("GPL");