1 /***************************************************************************
5 copyright : (C) 2000 by Adaptec
7 July 30, 2001 First version being submitted
8 for inclusion in the kernel. V2.4
10 See Documentation/scsi/dpti.txt for history, notes, license info
12 ***************************************************************************/
14 /***************************************************************************
16 * This program is free software; you can redistribute it and/or modify *
17 * it under the terms of the GNU General Public License as published by *
18 * the Free Software Foundation; either version 2 of the License, or *
19 * (at your option) any later version. *
21 ***************************************************************************/
22 /***************************************************************************
23 * Sat Dec 20 2003 Go Taniguchi <go@turbolinux.co.jp>
24 - Support 2.6 kernel and DMA-mapping
25 - ioctl fix for raid tools
26 - use schedule_timeout in long long loop
27 **************************************************************************/
30 /*#define UARTDELAY 1 */
32 #include <linux/module.h>
34 MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
35 MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
37 ////////////////////////////////////////////////////////////////
39 #include <linux/ioctl.h> /* For SCSI-Passthrough */
40 #include <linux/uaccess.h>
42 #include <linux/stat.h>
43 #include <linux/slab.h> /* for kmalloc() */
44 #include <linux/pci.h> /* for PCI support */
45 #include <linux/proc_fs.h>
46 #include <linux/blkdev.h>
47 #include <linux/delay.h> /* for udelay */
48 #include <linux/interrupt.h>
49 #include <linux/kernel.h> /* for printk */
50 #include <linux/sched.h>
51 #include <linux/reboot.h>
52 #include <linux/spinlock.h>
53 #include <linux/dma-mapping.h>
55 #include <linux/timer.h>
56 #include <linux/string.h>
57 #include <linux/ioport.h>
58 #include <linux/mutex.h>
60 #include <asm/processor.h> /* for boot_cpu_data */
61 #include <asm/pgtable.h>
62 #include <asm/io.h> /* for virt_to_bus, etc. */
64 #include <scsi/scsi.h>
65 #include <scsi/scsi_cmnd.h>
66 #include <scsi/scsi_device.h>
67 #include <scsi/scsi_host.h>
68 #include <scsi/scsi_tcq.h>
70 #include "dpt/dptsig.h"
73 /*============================================================================
74 * Create a binary signature - this is read by dptsig
75 * Needed for our management apps
76 *============================================================================
78 static DEFINE_MUTEX(adpt_mutex);
79 static dpt_sig_S DPTI_sig = {
80 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION,
82 PROC_INTEL, PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM,
83 #elif defined(__ia64__)
84 PROC_INTEL, PROC_IA64,
85 #elif defined(__sparc__)
86 PROC_ULTRASPARC, PROC_ULTRASPARC,
87 #elif defined(__alpha__)
88 PROC_ALPHA, PROC_ALPHA,
92 FT_HBADRVR, 0, OEM_DPT, OS_LINUX, CAP_OVERLAP, DEV_ALL,
93 ADF_ALL_SC5, 0, 0, DPT_VERSION, DPT_REVISION, DPT_SUBREVISION,
94 DPT_MONTH, DPT_DAY, DPT_YEAR, "Adaptec Linux I2O RAID Driver"
100 /*============================================================================
102 *============================================================================
105 static DEFINE_MUTEX(adpt_configuration_lock);
107 static struct i2o_sys_tbl *sys_tbl;
108 static dma_addr_t sys_tbl_pa;
109 static int sys_tbl_ind;
110 static int sys_tbl_len;
112 static adpt_hba* hba_chain = NULL;
113 static int hba_count = 0;
115 static struct class *adpt_sysfs_class;
117 static long adpt_unlocked_ioctl(struct file *, unsigned int, unsigned long);
119 static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long);
122 static const struct file_operations adpt_fops = {
123 .unlocked_ioctl = adpt_unlocked_ioctl,
125 .release = adpt_close,
127 .compat_ioctl = compat_adpt_ioctl,
129 .llseek = noop_llseek,
132 /* Structures and definitions for synchronous message posting.
133 * See adpt_i2o_post_wait() for description
135 struct adpt_i2o_post_wait_data
139 adpt_wait_queue_head_t *wq;
140 struct adpt_i2o_post_wait_data *next;
143 static struct adpt_i2o_post_wait_data *adpt_post_wait_queue = NULL;
144 static u32 adpt_post_wait_id = 0;
145 static DEFINE_SPINLOCK(adpt_post_wait_lock);
148 /*============================================================================
150 *============================================================================
153 static inline int dpt_dma64(adpt_hba *pHba)
155 return (sizeof(dma_addr_t) > 4 && (pHba)->dma64);
158 static inline u32 dma_high(dma_addr_t addr)
160 return upper_32_bits(addr);
163 static inline u32 dma_low(dma_addr_t addr)
168 static u8 adpt_read_blink_led(adpt_hba* host)
170 if (host->FwDebugBLEDflag_P) {
171 if( readb(host->FwDebugBLEDflag_P) == 0xbc ){
172 return readb(host->FwDebugBLEDvalue_P);
178 /*============================================================================
179 * Scsi host template interface functions
180 *============================================================================
184 static struct pci_device_id dptids[] = {
185 { PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
186 { PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
191 MODULE_DEVICE_TABLE(pci,dptids);
193 static int adpt_detect(struct scsi_host_template* sht)
195 struct pci_dev *pDev = NULL;
199 PINFO("Detecting Adaptec I2O RAID controllers...\n");
201 /* search for all Adatpec I2O RAID cards */
202 while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
203 if(pDev->device == PCI_DPT_DEVICE_ID ||
204 pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){
205 if(adpt_install_hba(sht, pDev) ){
206 PERROR("Could not Init an I2O RAID device\n");
207 PERROR("Will not try to detect others.\n");
214 /* In INIT state, Activate IOPs */
215 for (pHba = hba_chain; pHba; pHba = next) {
217 // Activate does get status , init outbound, and get hrt
218 if (adpt_i2o_activate_hba(pHba) < 0) {
219 adpt_i2o_delete_hba(pHba);
224 /* Active IOPs in HOLD state */
227 if (hba_chain == NULL)
231 * If build_sys_table fails, we kill everything and bail
232 * as we can't init the IOPs w/o a system table
234 if (adpt_i2o_build_sys_table() < 0) {
235 adpt_i2o_sys_shutdown();
239 PDEBUG("HBA's in HOLD state\n");
241 /* If IOP don't get online, we need to rebuild the System table */
242 for (pHba = hba_chain; pHba; pHba = pHba->next) {
243 if (adpt_i2o_online_hba(pHba) < 0) {
244 adpt_i2o_delete_hba(pHba);
245 goto rebuild_sys_tab;
249 /* Active IOPs now in OPERATIONAL state */
250 PDEBUG("HBA's in OPERATIONAL state\n");
252 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
253 for (pHba = hba_chain; pHba; pHba = next) {
255 printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name);
256 if (adpt_i2o_lct_get(pHba) < 0){
257 adpt_i2o_delete_hba(pHba);
261 if (adpt_i2o_parse_lct(pHba) < 0){
262 adpt_i2o_delete_hba(pHba);
268 adpt_sysfs_class = class_create(THIS_MODULE, "dpt_i2o");
269 if (IS_ERR(adpt_sysfs_class)) {
270 printk(KERN_WARNING"dpti: unable to create dpt_i2o class\n");
271 adpt_sysfs_class = NULL;
274 for (pHba = hba_chain; pHba; pHba = next) {
276 if (adpt_scsi_host_alloc(pHba, sht) < 0){
277 adpt_i2o_delete_hba(pHba);
280 pHba->initialized = TRUE;
281 pHba->state &= ~DPTI_STATE_RESET;
282 if (adpt_sysfs_class) {
283 struct device *dev = device_create(adpt_sysfs_class,
284 NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL,
285 "dpti%d", pHba->unit);
287 printk(KERN_WARNING"dpti%d: unable to "
288 "create device in dpt_i2o class\n",
294 // Register our control device node
295 // nodes will need to be created in /dev to access this
296 // the nodes can not be created from within the driver
297 if (hba_count && register_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER, &adpt_fops)) {
298 adpt_i2o_sys_shutdown();
306 * scsi_unregister will be called AFTER we return.
308 static int adpt_release(struct Scsi_Host *host)
310 adpt_hba* pHba = (adpt_hba*) host->hostdata[0];
311 // adpt_i2o_quiesce_hba(pHba);
312 adpt_i2o_delete_hba(pHba);
313 scsi_unregister(host);
318 static void adpt_inquiry(adpt_hba* pHba)
332 memset(msg, 0, sizeof(msg));
333 buf = dma_alloc_coherent(&pHba->pDev->dev, 80, &addr, GFP_KERNEL);
335 printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name);
338 memset((void*)buf, 0, 36);
341 direction = 0x00000000;
342 scsidir =0x40000000; // DATA IN (iop<--dev)
345 reqlen = 17; // SINGLE SGE, 64 bit
347 reqlen = 14; // SINGLE SGE, 32 bit
348 /* Stick the headers on */
349 msg[0] = reqlen<<16 | SGL_OFFSET_12;
350 msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID);
353 // Adaptec/DPT Private stuff
354 msg[4] = I2O_CMD_SCSI_EXEC|DPT_ORGANIZATION_ID<<16;
355 msg[5] = ADAPTER_TID | 1<<16 /* Interpret*/;
356 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
357 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
358 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
359 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
360 msg[6] = scsidir|0x20a00000| 6 /* cmd len*/;
364 memset(scb, 0, sizeof(scb));
365 // Write SCSI command into the message - always 16 byte block
372 // Don't care about the rest of scb
374 memcpy(mptr, scb, sizeof(scb));
376 lenptr=mptr++; /* Remember me - fill in when we know */
378 /* Now fill in the SGList and command */
380 if (dpt_dma64(pHba)) {
381 *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
382 *mptr++ = 1 << PAGE_SHIFT;
383 *mptr++ = 0xD0000000|direction|len;
384 *mptr++ = dma_low(addr);
385 *mptr++ = dma_high(addr);
387 *mptr++ = 0xD0000000|direction|len;
391 // Send it on it's way
392 rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120);
394 sprintf(pHba->detail, "Adaptec I2O RAID");
395 printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode);
396 if (rcode != -ETIME && rcode != -EINTR)
397 dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
399 memset(pHba->detail, 0, sizeof(pHba->detail));
400 memcpy(&(pHba->detail), "Vendor: Adaptec ", 16);
401 memcpy(&(pHba->detail[16]), " Model: ", 8);
402 memcpy(&(pHba->detail[24]), (u8*) &buf[16], 16);
403 memcpy(&(pHba->detail[40]), " FW: ", 4);
404 memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4);
405 pHba->detail[48] = '\0'; /* precautionary */
406 dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
408 adpt_i2o_status_get(pHba);
413 static int adpt_slave_configure(struct scsi_device * device)
415 struct Scsi_Host *host = device->host;
418 pHba = (adpt_hba *) host->hostdata[0];
420 if (host->can_queue && device->tagged_supported) {
421 scsi_change_queue_depth(device,
422 host->can_queue - 1);
427 static int adpt_queue_lck(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *))
429 adpt_hba* pHba = NULL;
430 struct adpt_device* pDev = NULL; /* dpt per device information */
432 cmd->scsi_done = done;
434 * SCSI REQUEST_SENSE commands will be executed automatically by the
435 * Host Adapter for any errors, so they should not be executed
436 * explicitly unless the Sense Data is zero indicating that no error
440 if ((cmd->cmnd[0] == REQUEST_SENSE) && (cmd->sense_buffer[0] != 0)) {
441 cmd->result = (DID_OK << 16);
446 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
452 if ((pHba->state) & DPTI_STATE_RESET)
453 return SCSI_MLQUEUE_HOST_BUSY;
455 // TODO if the cmd->device if offline then I may need to issue a bus rescan
456 // followed by a get_lct to see if the device is there anymore
457 if((pDev = (struct adpt_device*) (cmd->device->hostdata)) == NULL) {
459 * First command request for this device. Set up a pointer
460 * to the device structure. This should be a TEST_UNIT_READY
461 * command from scan_scsis_single.
463 if ((pDev = adpt_find_device(pHba, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun)) == NULL) {
464 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
465 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
466 cmd->result = (DID_NO_CONNECT << 16);
470 cmd->device->hostdata = pDev;
472 pDev->pScsi_dev = cmd->device;
475 * If we are being called from when the device is being reset,
476 * delay processing of the command until later.
478 if (pDev->state & DPTI_DEV_RESET ) {
481 return adpt_scsi_to_i2o(pHba, cmd, pDev);
484 static DEF_SCSI_QCMD(adpt_queue)
486 static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev,
487 sector_t capacity, int geom[])
493 // *** First lets set the default geometry ****
495 // If the capacity is less than ox2000
496 if (capacity < 0x2000 ) { // floppy
500 // else if between 0x2000 and 0x20000
501 else if (capacity < 0x20000) {
505 // else if between 0x20000 and 0x40000
506 else if (capacity < 0x40000) {
510 // else if between 0x4000 and 0x80000
511 else if (capacity < 0x80000) {
515 // else if greater than 0x80000
520 cylinders = sector_div(capacity, heads * sectors);
522 // Special case if CDROM
523 if(sdev->type == 5) { // CDROM
533 PDEBUG("adpt_bios_param: exit\n");
538 static const char *adpt_info(struct Scsi_Host *host)
542 pHba = (adpt_hba *) host->hostdata[0];
543 return (char *) (pHba->detail);
546 static int adpt_show_info(struct seq_file *m, struct Scsi_Host *host)
548 struct adpt_device* d;
554 // Find HBA (host bus adapter) we are looking for
555 mutex_lock(&adpt_configuration_lock);
556 for (pHba = hba_chain; pHba; pHba = pHba->next) {
557 if (pHba->host == host) {
558 break; /* found adapter */
561 mutex_unlock(&adpt_configuration_lock);
567 seq_printf(m, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION);
568 seq_printf(m, "%s\n", pHba->detail);
569 seq_printf(m, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
570 pHba->host->host_no, pHba->name, host->irq);
571 seq_printf(m, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
572 host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize);
574 seq_puts(m, "Devices:\n");
575 for(chan = 0; chan < MAX_CHANNEL; chan++) {
576 for(id = 0; id < MAX_ID; id++) {
577 d = pHba->channel[chan].device[id];
579 seq_printf(m,"\t%-24.24s", d->pScsi_dev->vendor);
580 seq_printf(m," Rev: %-8.8s\n", d->pScsi_dev->rev);
582 unit = d->pI2o_dev->lct_data.tid;
583 seq_printf(m, "\tTID=%d, (Channel=%d, Target=%d, Lun=%llu) (%s)\n\n",
584 unit, (int)d->scsi_channel, (int)d->scsi_id, d->scsi_lun,
585 scsi_device_online(d->pScsi_dev)? "online":"offline");
594 * Turn a struct scsi_cmnd * into a unique 32 bit 'context'.
596 static u32 adpt_cmd_to_context(struct scsi_cmnd *cmd)
598 return (u32)cmd->serial_number;
602 * Go from a u32 'context' to a struct scsi_cmnd * .
603 * This could probably be made more efficient.
605 static struct scsi_cmnd *
606 adpt_cmd_from_context(adpt_hba * pHba, u32 context)
608 struct scsi_cmnd * cmd;
609 struct scsi_device * d;
614 spin_unlock(pHba->host->host_lock);
615 shost_for_each_device(d, pHba->host) {
617 spin_lock_irqsave(&d->list_lock, flags);
618 list_for_each_entry(cmd, &d->cmd_list, list) {
619 if (((u32)cmd->serial_number == context)) {
620 spin_unlock_irqrestore(&d->list_lock, flags);
622 spin_lock(pHba->host->host_lock);
626 spin_unlock_irqrestore(&d->list_lock, flags);
628 spin_lock(pHba->host->host_lock);
634 * Turn a pointer to ioctl reply data into an u32 'context'
636 static u32 adpt_ioctl_to_context(adpt_hba * pHba, void *reply)
638 #if BITS_PER_LONG == 32
639 return (u32)(unsigned long)reply;
644 spin_lock_irqsave(pHba->host->host_lock, flags);
645 nr = ARRAY_SIZE(pHba->ioctl_reply_context);
646 for (i = 0; i < nr; i++) {
647 if (pHba->ioctl_reply_context[i] == NULL) {
648 pHba->ioctl_reply_context[i] = reply;
652 spin_unlock_irqrestore(pHba->host->host_lock, flags);
654 printk(KERN_WARNING"%s: Too many outstanding "
655 "ioctl commands\n", pHba->name);
664 * Go from an u32 'context' to a pointer to ioctl reply data.
666 static void *adpt_ioctl_from_context(adpt_hba *pHba, u32 context)
668 #if BITS_PER_LONG == 32
669 return (void *)(unsigned long)context;
671 void *p = pHba->ioctl_reply_context[context];
672 pHba->ioctl_reply_context[context] = NULL;
678 /*===========================================================================
679 * Error Handling routines
680 *===========================================================================
683 static int adpt_abort(struct scsi_cmnd * cmd)
685 adpt_hba* pHba = NULL; /* host bus adapter structure */
686 struct adpt_device* dptdevice; /* dpt per device information */
690 if(cmd->serial_number == 0){
693 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
694 printk(KERN_INFO"%s: Trying to Abort\n",pHba->name);
695 if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) {
696 printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name);
700 memset(msg, 0, sizeof(msg));
701 msg[0] = FIVE_WORD_MSG_SIZE|SGL_OFFSET_0;
702 msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid;
705 msg[4] = adpt_cmd_to_context(cmd);
707 spin_lock_irq(pHba->host->host_lock);
708 rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER);
710 spin_unlock_irq(pHba->host->host_lock);
712 if(rcode == -EOPNOTSUPP ){
713 printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
716 printk(KERN_INFO"%s: Abort failed.\n",pHba->name);
719 printk(KERN_INFO"%s: Abort complete.\n",pHba->name);
724 #define I2O_DEVICE_RESET 0x27
725 // This is the same for BLK and SCSI devices
726 // NOTE this is wrong in the i2o.h definitions
727 // This is not currently supported by our adapter but we issue it anyway
728 static int adpt_device_reset(struct scsi_cmnd* cmd)
734 struct adpt_device* d = cmd->device->hostdata;
736 pHba = (void*) cmd->device->host->hostdata[0];
737 printk(KERN_INFO"%s: Trying to reset device\n",pHba->name);
739 printk(KERN_INFO"%s: Reset Device: Device Not found\n",pHba->name);
742 memset(msg, 0, sizeof(msg));
743 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
744 msg[1] = (I2O_DEVICE_RESET<<24|HOST_TID<<12|d->tid);
749 spin_lock_irq(pHba->host->host_lock);
750 old_state = d->state;
751 d->state |= DPTI_DEV_RESET;
752 rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
753 d->state = old_state;
755 spin_unlock_irq(pHba->host->host_lock);
757 if(rcode == -EOPNOTSUPP ){
758 printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
761 printk(KERN_INFO"%s: Device reset failed\n",pHba->name);
764 printk(KERN_INFO"%s: Device reset successful\n",pHba->name);
770 #define I2O_HBA_BUS_RESET 0x87
771 // This version of bus reset is called by the eh_error handler
772 static int adpt_bus_reset(struct scsi_cmnd* cmd)
778 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
779 memset(msg, 0, sizeof(msg));
780 printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid );
781 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
782 msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid);
786 spin_lock_irq(pHba->host->host_lock);
787 rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
789 spin_unlock_irq(pHba->host->host_lock);
791 printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name);
794 printk(KERN_WARNING"%s: Bus reset success.\n",pHba->name);
799 // This version of reset is called by the eh_error_handler
800 static int __adpt_reset(struct scsi_cmnd* cmd)
804 pHba = (adpt_hba*)cmd->device->host->hostdata[0];
805 printk(KERN_WARNING"%s: Hba Reset: scsi id %d: tid: %d\n",pHba->name,cmd->device->channel,pHba->channel[cmd->device->channel].tid );
806 rcode = adpt_hba_reset(pHba);
808 printk(KERN_WARNING"%s: HBA reset complete\n",pHba->name);
811 printk(KERN_WARNING"%s: HBA reset failed (%x)\n",pHba->name, rcode);
816 static int adpt_reset(struct scsi_cmnd* cmd)
820 spin_lock_irq(cmd->device->host->host_lock);
821 rc = __adpt_reset(cmd);
822 spin_unlock_irq(cmd->device->host->host_lock);
827 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
828 static int adpt_hba_reset(adpt_hba* pHba)
832 pHba->state |= DPTI_STATE_RESET;
834 // Activate does get status , init outbound, and get hrt
835 if ((rcode=adpt_i2o_activate_hba(pHba)) < 0) {
836 printk(KERN_ERR "%s: Could not activate\n", pHba->name);
837 adpt_i2o_delete_hba(pHba);
841 if ((rcode=adpt_i2o_build_sys_table()) < 0) {
842 adpt_i2o_delete_hba(pHba);
845 PDEBUG("%s: in HOLD state\n",pHba->name);
847 if ((rcode=adpt_i2o_online_hba(pHba)) < 0) {
848 adpt_i2o_delete_hba(pHba);
851 PDEBUG("%s: in OPERATIONAL state\n",pHba->name);
853 if ((rcode=adpt_i2o_lct_get(pHba)) < 0){
854 adpt_i2o_delete_hba(pHba);
858 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0){
859 adpt_i2o_delete_hba(pHba);
862 pHba->state &= ~DPTI_STATE_RESET;
864 adpt_fail_posted_scbs(pHba);
865 return 0; /* return success */
868 /*===========================================================================
870 *===========================================================================
874 static void adpt_i2o_sys_shutdown(void)
876 adpt_hba *pHba, *pNext;
877 struct adpt_i2o_post_wait_data *p1, *old;
879 printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n");
880 printk(KERN_INFO" This could take a few minutes if there are many devices attached\n");
881 /* Delete all IOPs from the controller chain */
882 /* They should have already been released by the
885 for (pHba = hba_chain; pHba; pHba = pNext) {
887 adpt_i2o_delete_hba(pHba);
890 /* Remove any timedout entries from the wait queue. */
891 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
892 /* Nothing should be outstanding at this point so just
895 for(p1 = adpt_post_wait_queue; p1;) {
900 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
901 adpt_post_wait_queue = NULL;
903 printk(KERN_INFO "Adaptec I2O controllers down.\n");
906 static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev)
909 adpt_hba* pHba = NULL;
911 ulong base_addr0_phys = 0;
912 ulong base_addr1_phys = 0;
913 u32 hba_map0_area_size = 0;
914 u32 hba_map1_area_size = 0;
915 void __iomem *base_addr_virt = NULL;
916 void __iomem *msg_addr_virt = NULL;
919 int raptorFlag = FALSE;
921 if(pci_enable_device(pDev)) {
925 if (pci_request_regions(pDev, "dpt_i2o")) {
926 PERROR("dpti: adpt_config_hba: pci request region failed\n");
930 pci_set_master(pDev);
933 * See if we should enable dma64 mode.
935 if (sizeof(dma_addr_t) > 4 &&
936 pci_set_dma_mask(pDev, DMA_BIT_MASK(64)) == 0) {
937 if (dma_get_required_mask(&pDev->dev) > DMA_BIT_MASK(32))
940 if (!dma64 && pci_set_dma_mask(pDev, DMA_BIT_MASK(32)) != 0)
943 /* adapter only supports message blocks below 4GB */
944 pci_set_consistent_dma_mask(pDev, DMA_BIT_MASK(32));
946 base_addr0_phys = pci_resource_start(pDev,0);
947 hba_map0_area_size = pci_resource_len(pDev,0);
949 // Check if standard PCI card or single BAR Raptor
950 if(pDev->device == PCI_DPT_DEVICE_ID){
951 if(pDev->subsystem_device >=0xc032 && pDev->subsystem_device <= 0xc03b){
952 // Raptor card with this device id needs 4M
953 hba_map0_area_size = 0x400000;
954 } else { // Not Raptor - it is a PCI card
955 if(hba_map0_area_size > 0x100000 ){
956 hba_map0_area_size = 0x100000;
959 } else {// Raptor split BAR config
960 // Use BAR1 in this configuration
961 base_addr1_phys = pci_resource_start(pDev,1);
962 hba_map1_area_size = pci_resource_len(pDev,1);
966 #if BITS_PER_LONG == 64
968 * The original Adaptec 64 bit driver has this comment here:
969 * "x86_64 machines need more optimal mappings"
971 * I assume some HBAs report ridiculously large mappings
972 * and we need to limit them on platforms with IOMMUs.
974 if (raptorFlag == TRUE) {
975 if (hba_map0_area_size > 128)
976 hba_map0_area_size = 128;
977 if (hba_map1_area_size > 524288)
978 hba_map1_area_size = 524288;
980 if (hba_map0_area_size > 524288)
981 hba_map0_area_size = 524288;
985 base_addr_virt = ioremap(base_addr0_phys,hba_map0_area_size);
986 if (!base_addr_virt) {
987 pci_release_regions(pDev);
988 PERROR("dpti: adpt_config_hba: io remap failed\n");
992 if(raptorFlag == TRUE) {
993 msg_addr_virt = ioremap(base_addr1_phys, hba_map1_area_size );
994 if (!msg_addr_virt) {
995 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
996 iounmap(base_addr_virt);
997 pci_release_regions(pDev);
1001 msg_addr_virt = base_addr_virt;
1004 // Allocate and zero the data structure
1005 pHba = kzalloc(sizeof(adpt_hba), GFP_KERNEL);
1007 if (msg_addr_virt != base_addr_virt)
1008 iounmap(msg_addr_virt);
1009 iounmap(base_addr_virt);
1010 pci_release_regions(pDev);
1014 mutex_lock(&adpt_configuration_lock);
1016 if(hba_chain != NULL){
1017 for(p = hba_chain; p->next; p = p->next);
1023 pHba->unit = hba_count;
1024 sprintf(pHba->name, "dpti%d", hba_count);
1027 mutex_unlock(&adpt_configuration_lock);
1030 pHba->base_addr_phys = base_addr0_phys;
1032 // Set up the Virtual Base Address of the I2O Device
1033 pHba->base_addr_virt = base_addr_virt;
1034 pHba->msg_addr_virt = msg_addr_virt;
1035 pHba->irq_mask = base_addr_virt+0x30;
1036 pHba->post_port = base_addr_virt+0x40;
1037 pHba->reply_port = base_addr_virt+0x44;
1042 pHba->status_block = NULL;
1043 pHba->post_count = 0;
1044 pHba->state = DPTI_STATE_RESET;
1046 pHba->devices = NULL;
1047 pHba->dma64 = dma64;
1049 // Initializing the spinlocks
1050 spin_lock_init(&pHba->state_lock);
1051 spin_lock_init(&adpt_post_wait_lock);
1053 if(raptorFlag == 0){
1054 printk(KERN_INFO "Adaptec I2O RAID controller"
1055 " %d at %p size=%x irq=%d%s\n",
1056 hba_count-1, base_addr_virt,
1057 hba_map0_area_size, pDev->irq,
1058 dma64 ? " (64-bit DMA)" : "");
1060 printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d%s\n",
1061 hba_count-1, pDev->irq,
1062 dma64 ? " (64-bit DMA)" : "");
1063 printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size);
1064 printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size);
1067 if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) {
1068 printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq);
1069 adpt_i2o_delete_hba(pHba);
1077 static void adpt_i2o_delete_hba(adpt_hba* pHba)
1081 struct i2o_device* d;
1082 struct i2o_device* next;
1085 struct adpt_device* pDev;
1086 struct adpt_device* pNext;
1089 mutex_lock(&adpt_configuration_lock);
1090 // scsi_unregister calls our adpt_release which
1093 free_irq(pHba->host->irq, pHba);
1096 for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){
1099 p2->next = p1->next;
1101 hba_chain = p1->next;
1108 mutex_unlock(&adpt_configuration_lock);
1110 iounmap(pHba->base_addr_virt);
1111 pci_release_regions(pHba->pDev);
1112 if(pHba->msg_addr_virt != pHba->base_addr_virt){
1113 iounmap(pHba->msg_addr_virt);
1115 if(pHba->FwDebugBuffer_P)
1116 iounmap(pHba->FwDebugBuffer_P);
1118 dma_free_coherent(&pHba->pDev->dev,
1119 pHba->hrt->num_entries * pHba->hrt->entry_len << 2,
1120 pHba->hrt, pHba->hrt_pa);
1123 dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
1124 pHba->lct, pHba->lct_pa);
1126 if(pHba->status_block) {
1127 dma_free_coherent(&pHba->pDev->dev, sizeof(i2o_status_block),
1128 pHba->status_block, pHba->status_block_pa);
1130 if(pHba->reply_pool) {
1131 dma_free_coherent(&pHba->pDev->dev,
1132 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
1133 pHba->reply_pool, pHba->reply_pool_pa);
1136 for(d = pHba->devices; d ; d = next){
1140 for(i = 0 ; i < pHba->top_scsi_channel ; i++){
1141 for(j = 0; j < MAX_ID; j++){
1142 if(pHba->channel[i].device[j] != NULL){
1143 for(pDev = pHba->channel[i].device[j]; pDev; pDev = pNext){
1144 pNext = pDev->next_lun;
1150 pci_dev_put(pHba->pDev);
1151 if (adpt_sysfs_class)
1152 device_destroy(adpt_sysfs_class,
1153 MKDEV(DPTI_I2O_MAJOR, pHba->unit));
1157 unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER);
1158 if (adpt_sysfs_class) {
1159 class_destroy(adpt_sysfs_class);
1160 adpt_sysfs_class = NULL;
1165 static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u64 lun)
1167 struct adpt_device* d;
1169 if(chan < 0 || chan >= MAX_CHANNEL)
1172 if( pHba->channel[chan].device == NULL){
1173 printk(KERN_DEBUG"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1177 d = pHba->channel[chan].device[id];
1178 if(!d || d->tid == 0) {
1182 /* If it is the only lun at that address then this should match*/
1183 if(d->scsi_lun == lun){
1187 /* else we need to look through all the luns */
1188 for(d=d->next_lun ; d ; d = d->next_lun){
1189 if(d->scsi_lun == lun){
1197 static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
1199 // I used my own version of the WAIT_QUEUE_HEAD
1200 // to handle some version differences
1201 // When embedded in the kernel this could go back to the vanilla one
1202 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post);
1205 struct adpt_i2o_post_wait_data *p1, *p2;
1206 struct adpt_i2o_post_wait_data *wait_data =
1207 kmalloc(sizeof(struct adpt_i2o_post_wait_data), GFP_ATOMIC);
1208 DECLARE_WAITQUEUE(wait, current);
1214 * The spin locking is needed to keep anyone from playing
1215 * with the queue pointers and id while we do the same
1217 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1218 // TODO we need a MORE unique way of getting ids
1219 // to support async LCT get
1220 wait_data->next = adpt_post_wait_queue;
1221 adpt_post_wait_queue = wait_data;
1222 adpt_post_wait_id++;
1223 adpt_post_wait_id &= 0x7fff;
1224 wait_data->id = adpt_post_wait_id;
1225 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1227 wait_data->wq = &adpt_wq_i2o_post;
1228 wait_data->status = -ETIMEDOUT;
1230 add_wait_queue(&adpt_wq_i2o_post, &wait);
1232 msg[2] |= 0x80000000 | ((u32)wait_data->id);
1234 if((status = adpt_i2o_post_this(pHba, msg, len)) == 0){
1235 set_current_state(TASK_INTERRUPTIBLE);
1237 spin_unlock_irq(pHba->host->host_lock);
1241 timeout = schedule_timeout(timeout);
1243 // I/O issued, but cannot get result in
1244 // specified time. Freeing resorces is
1250 spin_lock_irq(pHba->host->host_lock);
1252 remove_wait_queue(&adpt_wq_i2o_post, &wait);
1254 if(status == -ETIMEDOUT){
1255 printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit);
1256 // We will have to free the wait_data memory during shutdown
1260 /* Remove the entry from the queue. */
1262 spin_lock_irqsave(&adpt_post_wait_lock, flags);
1263 for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p1->next) {
1264 if(p1 == wait_data) {
1265 if(p1->status == I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION ) {
1266 status = -EOPNOTSUPP;
1269 p2->next = p1->next;
1271 adpt_post_wait_queue = p1->next;
1276 spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
1284 static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len)
1287 u32 m = EMPTY_QUEUE;
1289 ulong timeout = jiffies + 30*HZ;
1292 m = readl(pHba->post_port);
1293 if (m != EMPTY_QUEUE) {
1296 if(time_after(jiffies,timeout)){
1297 printk(KERN_WARNING"dpti%d: Timeout waiting for message frame!\n", pHba->unit);
1300 schedule_timeout_uninterruptible(1);
1301 } while(m == EMPTY_QUEUE);
1303 msg = pHba->msg_addr_virt + m;
1304 memcpy_toio(msg, data, len);
1308 writel(m, pHba->post_port);
1315 static void adpt_i2o_post_wait_complete(u32 context, int status)
1317 struct adpt_i2o_post_wait_data *p1 = NULL;
1319 * We need to search through the adpt_post_wait
1320 * queue to see if the given message is still
1321 * outstanding. If not, it means that the IOP
1322 * took longer to respond to the message than we
1323 * had allowed and timer has already expired.
1324 * Not much we can do about that except log
1325 * it for debug purposes, increase timeout, and recompile
1327 * Lock needed to keep anyone from moving queue pointers
1328 * around while we're looking through them.
1333 spin_lock(&adpt_post_wait_lock);
1334 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1335 if(p1->id == context) {
1336 p1->status = status;
1337 spin_unlock(&adpt_post_wait_lock);
1338 wake_up_interruptible(p1->wq);
1342 spin_unlock(&adpt_post_wait_lock);
1343 // If this happens we lose commands that probably really completed
1344 printk(KERN_DEBUG"dpti: Could Not find task %d in wait queue\n",context);
1345 printk(KERN_DEBUG" Tasks in wait queue:\n");
1346 for(p1 = adpt_post_wait_queue; p1; p1 = p1->next) {
1347 printk(KERN_DEBUG" %d\n",p1->id);
1352 static s32 adpt_i2o_reset_hba(adpt_hba* pHba)
1357 u32 m = EMPTY_QUEUE ;
1358 ulong timeout = jiffies + (TMOUT_IOPRESET*HZ);
1360 if(pHba->initialized == FALSE) { // First time reset should be quick
1361 timeout = jiffies + (25*HZ);
1363 adpt_i2o_quiesce_hba(pHba);
1368 m = readl(pHba->post_port);
1369 if (m != EMPTY_QUEUE) {
1372 if(time_after(jiffies,timeout)){
1373 printk(KERN_WARNING"Timeout waiting for message!\n");
1376 schedule_timeout_uninterruptible(1);
1377 } while (m == EMPTY_QUEUE);
1379 status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
1380 if(status == NULL) {
1381 adpt_send_nop(pHba, m);
1382 printk(KERN_ERR"IOP reset failed - no free memory.\n");
1387 msg[0]=EIGHT_WORD_MSG_SIZE|SGL_OFFSET_0;
1388 msg[1]=I2O_CMD_ADAPTER_RESET<<24|HOST_TID<<12|ADAPTER_TID;
1393 msg[6]=dma_low(addr);
1394 msg[7]=dma_high(addr);
1396 memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg));
1398 writel(m, pHba->post_port);
1401 while(*status == 0){
1402 if(time_after(jiffies,timeout)){
1403 printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name);
1404 /* We lose 4 bytes of "status" here, but we cannot
1405 free these because controller may awake and corrupt
1406 those bytes at any time */
1407 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1411 schedule_timeout_uninterruptible(1);
1414 if(*status == 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1415 PDEBUG("%s: Reset in progress...\n", pHba->name);
1416 // Here we wait for message frame to become available
1417 // indicated that reset has finished
1420 m = readl(pHba->post_port);
1421 if (m != EMPTY_QUEUE) {
1424 if(time_after(jiffies,timeout)){
1425 printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name);
1426 /* We lose 4 bytes of "status" here, but we
1427 cannot free these because controller may
1428 awake and corrupt those bytes at any time */
1429 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1432 schedule_timeout_uninterruptible(1);
1433 } while (m == EMPTY_QUEUE);
1435 adpt_send_nop(pHba, m);
1437 adpt_i2o_status_get(pHba);
1438 if(*status == 0x02 ||
1439 pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
1440 printk(KERN_WARNING"%s: Reset reject, trying to clear\n",
1443 PDEBUG("%s: Reset completed.\n", pHba->name);
1446 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
1448 // This delay is to allow someone attached to the card through the debug UART to
1449 // set up the dump levels that they want before the rest of the initialization sequence
1456 static int adpt_i2o_parse_lct(adpt_hba* pHba)
1461 struct i2o_device *d;
1462 i2o_lct *lct = pHba->lct;
1466 u32 buf[10]; // larger than 7, or 8 ...
1467 struct adpt_device* pDev;
1470 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
1474 max = lct->table_size;
1478 for(i=0;i<max;i++) {
1479 if( lct->lct_entry[i].user_tid != 0xfff){
1481 * If we have hidden devices, we need to inform the upper layers about
1482 * the possible maximum id reference to handle device access when
1483 * an array is disassembled. This code has no other purpose but to
1484 * allow us future access to devices that are currently hidden
1485 * behind arrays, hotspares or have not been configured (JBOD mode).
1487 if( lct->lct_entry[i].class_id != I2O_CLASS_RANDOM_BLOCK_STORAGE &&
1488 lct->lct_entry[i].class_id != I2O_CLASS_SCSI_PERIPHERAL &&
1489 lct->lct_entry[i].class_id != I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1492 tid = lct->lct_entry[i].tid;
1493 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1494 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
1497 bus_no = buf[0]>>16;
1499 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
1500 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1501 printk(KERN_WARNING"%s: Channel number %d out of range \n", pHba->name, bus_no);
1504 if (scsi_id >= MAX_ID){
1505 printk(KERN_WARNING"%s: SCSI ID %d out of range \n", pHba->name, bus_no);
1508 if(bus_no > pHba->top_scsi_channel){
1509 pHba->top_scsi_channel = bus_no;
1511 if(scsi_id > pHba->top_scsi_id){
1512 pHba->top_scsi_id = scsi_id;
1514 if(scsi_lun > pHba->top_scsi_lun){
1515 pHba->top_scsi_lun = scsi_lun;
1519 d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
1522 printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name);
1526 d->controller = pHba;
1529 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
1532 tid = d->lct_data.tid;
1533 adpt_i2o_report_hba_unit(pHba, d);
1534 adpt_i2o_install_device(pHba, d);
1537 for(d = pHba->devices; d ; d = d->next) {
1538 if(d->lct_data.class_id == I2O_CLASS_BUS_ADAPTER_PORT ||
1539 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PORT){
1540 tid = d->lct_data.tid;
1541 // TODO get the bus_no from hrt-but for now they are in order
1543 if(bus_no > pHba->top_scsi_channel){
1544 pHba->top_scsi_channel = bus_no;
1546 pHba->channel[bus_no].type = d->lct_data.class_id;
1547 pHba->channel[bus_no].tid = tid;
1548 if(adpt_i2o_query_scalar(pHba, tid, 0x0200, -1, buf, 28)>=0)
1550 pHba->channel[bus_no].scsi_id = buf[1];
1551 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no, buf[1]);
1553 // TODO remove - this is just until we get from hrt
1555 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1556 printk(KERN_WARNING"%s: Channel number %d out of range - LCT\n", pHba->name, bus_no);
1562 // Setup adpt_device table
1563 for(d = pHba->devices; d ; d = d->next) {
1564 if(d->lct_data.class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
1565 d->lct_data.class_id == I2O_CLASS_SCSI_PERIPHERAL ||
1566 d->lct_data.class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
1568 tid = d->lct_data.tid;
1570 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1571 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)>=0) {
1572 bus_no = buf[0]>>16;
1574 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
1575 if(bus_no >= MAX_CHANNEL) { // Something wrong skip it
1578 if (scsi_id >= MAX_ID) {
1581 if( pHba->channel[bus_no].device[scsi_id] == NULL){
1582 pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
1586 pHba->channel[bus_no].device[scsi_id] = pDev;
1588 for( pDev = pHba->channel[bus_no].device[scsi_id];
1589 pDev->next_lun; pDev = pDev->next_lun){
1591 pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
1592 if(pDev->next_lun == NULL) {
1595 pDev = pDev->next_lun;
1598 pDev->scsi_channel = bus_no;
1599 pDev->scsi_id = scsi_id;
1600 pDev->scsi_lun = scsi_lun;
1603 pDev->type = (buf[0])&0xff;
1604 pDev->flags = (buf[0]>>8)&0xff;
1605 if(scsi_id > pHba->top_scsi_id){
1606 pHba->top_scsi_id = scsi_id;
1608 if(scsi_lun > pHba->top_scsi_lun){
1609 pHba->top_scsi_lun = scsi_lun;
1613 printk(KERN_WARNING"Could not find SCSI ID for %s\n",
1614 d->lct_data.identity_tag);
1623 * Each I2O controller has a chain of devices on it - these match
1624 * the useful parts of the LCT of the board.
1627 static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
1629 mutex_lock(&adpt_configuration_lock);
1632 d->next=pHba->devices;
1634 if (pHba->devices != NULL){
1635 pHba->devices->prev=d;
1640 mutex_unlock(&adpt_configuration_lock);
1644 static int adpt_open(struct inode *inode, struct file *file)
1649 mutex_lock(&adpt_mutex);
1650 //TODO check for root access
1652 minor = iminor(inode);
1653 if (minor >= hba_count) {
1654 mutex_unlock(&adpt_mutex);
1657 mutex_lock(&adpt_configuration_lock);
1658 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1659 if (pHba->unit == minor) {
1660 break; /* found adapter */
1664 mutex_unlock(&adpt_configuration_lock);
1665 mutex_unlock(&adpt_mutex);
1669 // if(pHba->in_use){
1670 // mutex_unlock(&adpt_configuration_lock);
1675 mutex_unlock(&adpt_configuration_lock);
1676 mutex_unlock(&adpt_mutex);
1681 static int adpt_close(struct inode *inode, struct file *file)
1686 minor = iminor(inode);
1687 if (minor >= hba_count) {
1690 mutex_lock(&adpt_configuration_lock);
1691 for (pHba = hba_chain; pHba; pHba = pHba->next) {
1692 if (pHba->unit == minor) {
1693 break; /* found adapter */
1696 mutex_unlock(&adpt_configuration_lock);
1707 static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg)
1709 u32 msg[MAX_MESSAGE_SIZE];
1713 u32 __user *user_msg = arg;
1714 u32 __user * user_reply = NULL;
1715 void *sg_list[pHba->sg_tablesize];
1725 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1726 // get user msg size in u32s
1727 if(get_user(size, &user_msg[0])){
1732 user_reply = &user_msg[size];
1733 if(size > MAX_MESSAGE_SIZE){
1736 size *= 4; // Convert to bytes
1738 /* Copy in the user's I2O command */
1739 if(copy_from_user(msg, user_msg, size)) {
1742 get_user(reply_size, &user_reply[0]);
1743 reply_size = reply_size>>16;
1744 if(reply_size > REPLY_FRAME_SIZE){
1745 reply_size = REPLY_FRAME_SIZE;
1748 reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
1750 printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name);
1753 sg_offset = (msg[0]>>4)&0xf;
1754 msg[2] = 0x40000000; // IOCTL context
1755 msg[3] = adpt_ioctl_to_context(pHba, reply);
1756 if (msg[3] == (u32)-1) {
1761 memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize);
1763 // TODO add 64 bit API
1764 struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset);
1765 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1766 if (sg_count > pHba->sg_tablesize){
1767 printk(KERN_DEBUG"%s:IOCTL SG List too large (%u)\n", pHba->name,sg_count);
1772 for(i = 0; i < sg_count; i++) {
1775 if (!(sg[i].flag_count & 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1776 printk(KERN_DEBUG"%s:Bad SG element %d - not simple (%x)\n",pHba->name,i, sg[i].flag_count);
1780 sg_size = sg[i].flag_count & 0xffffff;
1781 /* Allocate memory for the transfer */
1782 p = dma_alloc_coherent(&pHba->pDev->dev, sg_size, &addr, GFP_KERNEL);
1784 printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1785 pHba->name,sg_size,i,sg_count);
1789 sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
1790 /* Copy in the user's SG buffer if necessary */
1791 if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1792 // sg_simple_element API is 32 bit
1793 if (copy_from_user(p,(void __user *)(ulong)sg[i].addr_bus, sg_size)) {
1794 printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i);
1799 /* sg_simple_element API is 32 bit, but addr < 4GB */
1800 sg[i].addr_bus = addr;
1806 * Stop any new commands from enterring the
1807 * controller while processing the ioctl
1810 scsi_block_requests(pHba->host);
1811 spin_lock_irqsave(pHba->host->host_lock, flags);
1813 rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER);
1815 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1818 spin_unlock_irqrestore(pHba->host->host_lock, flags);
1819 scsi_unblock_requests(pHba->host);
1821 } while (rcode == -ETIMEDOUT);
1828 /* Copy back the Scatter Gather buffers back to user space */
1830 // TODO add 64 bit API
1831 struct sg_simple_element* sg;
1834 // re-acquire the original message to handle correctly the sg copy operation
1835 memset(&msg, 0, MAX_MESSAGE_SIZE*4);
1836 // get user msg size in u32s
1837 if(get_user(size, &user_msg[0])){
1843 if (size > MAX_MESSAGE_SIZE) {
1847 /* Copy in the user's I2O command */
1848 if (copy_from_user (msg, user_msg, size)) {
1852 sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
1854 // TODO add 64 bit API
1855 sg = (struct sg_simple_element*)(msg + sg_offset);
1856 for (j = 0; j < sg_count; j++) {
1857 /* Copy out the SG list to user's buffer if necessary */
1858 if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1859 sg_size = sg[j].flag_count & 0xffffff;
1860 // sg_simple_element API is 32 bit
1861 if (copy_to_user((void __user *)(ulong)sg[j].addr_bus,sg_list[j], sg_size)) {
1862 printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus);
1870 /* Copy back the reply to user space */
1872 // we wrote our own values for context - now restore the user supplied ones
1873 if(copy_from_user(reply+2, user_msg+2, sizeof(u32)*2)) {
1874 printk(KERN_WARNING"%s: Could not copy message context FROM user\n",pHba->name);
1877 if(copy_to_user(user_reply, reply, reply_size)) {
1878 printk(KERN_WARNING"%s: Could not copy reply TO user\n",pHba->name);
1885 if (rcode != -ETIME && rcode != -EINTR) {
1886 struct sg_simple_element *sg =
1887 (struct sg_simple_element*) (msg +sg_offset);
1890 if(sg_list[--sg_index]) {
1891 dma_free_coherent(&pHba->pDev->dev,
1892 sg[sg_index].flag_count & 0xffffff,
1894 sg[sg_index].addr_bus);
1901 #if defined __ia64__
1902 static void adpt_ia64_info(sysInfo_S* si)
1904 // This is all the info we need for now
1905 // We will add more info as our new
1906 // managmenent utility requires it
1907 si->processorType = PROC_IA64;
1911 #if defined __sparc__
1912 static void adpt_sparc_info(sysInfo_S* si)
1914 // This is all the info we need for now
1915 // We will add more info as our new
1916 // managmenent utility requires it
1917 si->processorType = PROC_ULTRASPARC;
1920 #if defined __alpha__
1921 static void adpt_alpha_info(sysInfo_S* si)
1923 // This is all the info we need for now
1924 // We will add more info as our new
1925 // managmenent utility requires it
1926 si->processorType = PROC_ALPHA;
1930 #if defined __i386__
1932 #include <uapi/asm/vm86.h>
1934 static void adpt_i386_info(sysInfo_S* si)
1936 // This is all the info we need for now
1937 // We will add more info as our new
1938 // managmenent utility requires it
1939 switch (boot_cpu_data.x86) {
1941 si->processorType = PROC_386;
1944 si->processorType = PROC_486;
1947 si->processorType = PROC_PENTIUM;
1949 default: // Just in case
1950 si->processorType = PROC_PENTIUM;
1957 * This routine returns information about the system. This does not effect
1958 * any logic and if the info is wrong - it doesn't matter.
1961 /* Get all the info we can not get from kernel services */
1962 static int adpt_system_info(void __user *buffer)
1966 memset(&si, 0, sizeof(si));
1968 si.osType = OS_LINUX;
1969 si.osMajorVersion = 0;
1970 si.osMinorVersion = 0;
1972 si.busType = SI_PCI_BUS;
1973 si.processorFamily = DPTI_sig.dsProcessorFamily;
1975 #if defined __i386__
1976 adpt_i386_info(&si);
1977 #elif defined (__ia64__)
1978 adpt_ia64_info(&si);
1979 #elif defined(__sparc__)
1980 adpt_sparc_info(&si);
1981 #elif defined (__alpha__)
1982 adpt_alpha_info(&si);
1984 si.processorType = 0xff ;
1986 if (copy_to_user(buffer, &si, sizeof(si))){
1987 printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
1994 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
2000 void __user *argp = (void __user *)arg;
2002 minor = iminor(inode);
2003 if (minor >= DPTI_MAX_HBA){
2006 mutex_lock(&adpt_configuration_lock);
2007 for (pHba = hba_chain; pHba; pHba = pHba->next) {
2008 if (pHba->unit == minor) {
2009 break; /* found adapter */
2012 mutex_unlock(&adpt_configuration_lock);
2017 while((volatile u32) pHba->state & DPTI_STATE_RESET )
2018 schedule_timeout_uninterruptible(2);
2021 // TODO: handle 3 cases
2023 if (copy_to_user(argp, &DPTI_sig, sizeof(DPTI_sig))) {
2028 return adpt_i2o_passthru(pHba, argp);
2031 drvrHBAinfo_S HbaInfo;
2033 #define FLG_OSD_PCI_VALID 0x0001
2034 #define FLG_OSD_DMA 0x0002
2035 #define FLG_OSD_I2O 0x0004
2036 memset(&HbaInfo, 0, sizeof(HbaInfo));
2037 HbaInfo.drvrHBAnum = pHba->unit;
2038 HbaInfo.baseAddr = (ulong) pHba->base_addr_phys;
2039 HbaInfo.blinkState = adpt_read_blink_led(pHba);
2040 HbaInfo.pciBusNum = pHba->pDev->bus->number;
2041 HbaInfo.pciDeviceNum=PCI_SLOT(pHba->pDev->devfn);
2042 HbaInfo.Interrupt = pHba->pDev->irq;
2043 HbaInfo.hbaFlags = FLG_OSD_PCI_VALID | FLG_OSD_DMA | FLG_OSD_I2O;
2044 if(copy_to_user(argp, &HbaInfo, sizeof(HbaInfo))){
2045 printk(KERN_WARNING"%s: Could not copy HbaInfo TO user\n",pHba->name);
2051 return adpt_system_info(argp);
2054 value = (u32)adpt_read_blink_led(pHba);
2055 if (copy_to_user(argp, &value, sizeof(value))) {
2062 spin_lock_irqsave(pHba->host->host_lock, flags);
2063 adpt_hba_reset(pHba);
2065 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2077 static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg)
2079 struct inode *inode;
2082 inode = file_inode(file);
2084 mutex_lock(&adpt_mutex);
2085 ret = adpt_ioctl(inode, file, cmd, arg);
2086 mutex_unlock(&adpt_mutex);
2091 #ifdef CONFIG_COMPAT
2092 static long compat_adpt_ioctl(struct file *file,
2093 unsigned int cmd, unsigned long arg)
2095 struct inode *inode;
2098 inode = file_inode(file);
2100 mutex_lock(&adpt_mutex);
2110 case (DPT_TARGET_BUSY & 0xFFFF):
2111 case DPT_TARGET_BUSY:
2112 ret = adpt_ioctl(inode, file, cmd, arg);
2118 mutex_unlock(&adpt_mutex);
2124 static irqreturn_t adpt_isr(int irq, void *dev_id)
2126 struct scsi_cmnd* cmd;
2127 adpt_hba* pHba = dev_id;
2129 void __iomem *reply;
2136 printk(KERN_WARNING"adpt_isr: NULL dev_id\n");
2140 spin_lock_irqsave(pHba->host->host_lock, flags);
2142 while( readl(pHba->irq_mask) & I2O_INTERRUPT_PENDING_B) {
2143 m = readl(pHba->reply_port);
2144 if(m == EMPTY_QUEUE){
2145 // Try twice then give up
2147 m = readl(pHba->reply_port);
2148 if(m == EMPTY_QUEUE){
2149 // This really should not happen
2150 printk(KERN_ERR"dpti: Could not get reply frame\n");
2154 if (pHba->reply_pool_pa <= m &&
2155 m < pHba->reply_pool_pa +
2156 (pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4)) {
2157 reply = (u8 *)pHba->reply_pool +
2158 (m - pHba->reply_pool_pa);
2160 /* Ick, we should *never* be here */
2161 printk(KERN_ERR "dpti: reply frame not from pool\n");
2162 reply = (u8 *)bus_to_virt(m);
2165 if (readl(reply) & MSG_FAIL) {
2166 u32 old_m = readl(reply+28);
2169 PDEBUG("%s: Failed message\n",pHba->name);
2170 if(old_m >= 0x100000){
2171 printk(KERN_ERR"%s: Bad preserved MFA (%x)- dropping frame\n",pHba->name,old_m);
2172 writel(m,pHba->reply_port);
2175 // Transaction context is 0 in failed reply frame
2176 msg = pHba->msg_addr_virt + old_m;
2177 old_context = readl(msg+12);
2178 writel(old_context, reply+12);
2179 adpt_send_nop(pHba, old_m);
2181 context = readl(reply+8);
2182 if(context & 0x40000000){ // IOCTL
2183 void *p = adpt_ioctl_from_context(pHba, readl(reply+12));
2185 memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4);
2187 // All IOCTLs will also be post wait
2189 if(context & 0x80000000){ // Post wait message
2190 status = readl(reply+16);
2192 status &= 0xffff; /* Get detail status */
2194 status = I2O_POST_WAIT_OK;
2196 if(!(context & 0x40000000)) {
2197 cmd = adpt_cmd_from_context(pHba,
2200 printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context);
2203 adpt_i2o_post_wait_complete(context, status);
2204 } else { // SCSI message
2205 cmd = adpt_cmd_from_context (pHba, readl(reply+12));
2207 scsi_dma_unmap(cmd);
2208 if(cmd->serial_number != 0) { // If not timedout
2209 adpt_i2o_to_scsi(reply, cmd);
2213 writel(m, pHba->reply_port);
2219 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2220 return IRQ_RETVAL(handled);
2223 static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* d)
2226 u32 msg[MAX_MESSAGE_SIZE];
2238 memset(msg, 0 , sizeof(msg));
2239 len = scsi_bufflen(cmd);
2240 direction = 0x00000000;
2242 scsidir = 0x00000000; // DATA NO XFER
2245 * Set SCBFlags to indicate if data is being transferred
2246 * in or out, or no data transfer
2247 * Note: Do not have to verify index is less than 0 since
2248 * cmd->cmnd[0] is an unsigned char
2250 switch(cmd->sc_data_direction){
2251 case DMA_FROM_DEVICE:
2252 scsidir =0x40000000; // DATA IN (iop<--dev)
2255 direction=0x04000000; // SGL OUT
2256 scsidir =0x80000000; // DATA OUT (iop-->dev)
2260 case DMA_BIDIRECTIONAL:
2261 scsidir =0x40000000; // DATA IN (iop<--dev)
2262 // Assume In - and continue;
2265 printk(KERN_WARNING"%s: scsi opcode 0x%x not supported.\n",
2266 pHba->name, cmd->cmnd[0]);
2267 cmd->result = (DID_OK <<16) | (INITIATOR_ERROR << 8);
2268 cmd->scsi_done(cmd);
2272 // msg[0] is set later
2273 // I2O_CMD_SCSI_EXEC
2274 msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid);
2276 msg[3] = adpt_cmd_to_context(cmd); /* Want SCSI control block back */
2277 // Our cards use the transaction context as the tag for queueing
2278 // Adaptec/DPT Private stuff
2279 msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16);
2281 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2282 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2283 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2284 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2285 msg[6] = scsidir|0x20a00000|cmd->cmd_len;
2289 // Write SCSI command into the message - always 16 byte block
2290 memset(mptr, 0, 16);
2291 memcpy(mptr, cmd->cmnd, cmd->cmd_len);
2293 lenptr=mptr++; /* Remember me - fill in when we know */
2294 if (dpt_dma64(pHba)) {
2295 reqlen = 16; // SINGLE SGE
2296 *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
2297 *mptr++ = 1 << PAGE_SHIFT;
2299 reqlen = 14; // SINGLE SGE
2301 /* Now fill in the SGList and command */
2303 nseg = scsi_dma_map(cmd);
2306 struct scatterlist *sg;
2309 scsi_for_each_sg(cmd, sg, nseg, i) {
2311 *mptr++ = direction|0x10000000|sg_dma_len(sg);
2312 len+=sg_dma_len(sg);
2313 addr = sg_dma_address(sg);
2314 *mptr++ = dma_low(addr);
2315 if (dpt_dma64(pHba))
2316 *mptr++ = dma_high(addr);
2317 /* Make this an end of list */
2319 *lptr = direction|0xD0000000|sg_dma_len(sg);
2321 reqlen = mptr - msg;
2324 if(cmd->underflow && len != cmd->underflow){
2325 printk(KERN_WARNING"Cmd len %08X Cmd underflow %08X\n",
2326 len, cmd->underflow);
2333 /* Stick the headers on */
2334 msg[0] = reqlen<<16 | ((reqlen > 12) ? SGL_OFFSET_12 : SGL_OFFSET_0);
2336 // Send it on it's way
2337 rcode = adpt_i2o_post_this(pHba, msg, reqlen<<2);
2345 static s32 adpt_scsi_host_alloc(adpt_hba* pHba, struct scsi_host_template *sht)
2347 struct Scsi_Host *host;
2349 host = scsi_host_alloc(sht, sizeof(adpt_hba*));
2351 printk("%s: scsi_host_alloc returned NULL\n", pHba->name);
2354 host->hostdata[0] = (unsigned long)pHba;
2357 host->irq = pHba->pDev->irq;
2358 /* no IO ports, so don't have to set host->io_port and
2362 host->n_io_port = 0;
2363 /* see comments in scsi_host.h */
2365 host->max_lun = 256;
2366 host->max_channel = pHba->top_scsi_channel + 1;
2367 host->cmd_per_lun = 1;
2368 host->unique_id = (u32)sys_tbl_pa + pHba->unit;
2369 host->sg_tablesize = pHba->sg_tablesize;
2370 host->can_queue = pHba->post_fifo_size;
2371 host->use_cmd_list = 1;
2377 static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd)
2382 u32 reply_flags = readl(reply) & 0xff00; // Leave it shifted up 8 bits
2383 // I know this would look cleaner if I just read bytes
2384 // but the model I have been using for all the rest of the
2385 // io is in 4 byte words - so I keep that model
2386 u16 detailed_status = readl(reply+16) &0xffff;
2387 dev_status = (detailed_status & 0xff);
2388 hba_status = detailed_status >> 8;
2390 // calculate resid for sg
2391 scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+20));
2393 pHba = (adpt_hba*) cmd->device->host->hostdata[0];
2395 cmd->sense_buffer[0] = '\0'; // initialize sense valid flag to false
2397 if(!(reply_flags & MSG_FAIL)) {
2398 switch(detailed_status & I2O_SCSI_DSC_MASK) {
2399 case I2O_SCSI_DSC_SUCCESS:
2400 cmd->result = (DID_OK << 16);
2402 if (readl(reply+20) < cmd->underflow) {
2403 cmd->result = (DID_ERROR <<16);
2404 printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name);
2407 case I2O_SCSI_DSC_REQUEST_ABORTED:
2408 cmd->result = (DID_ABORT << 16);
2410 case I2O_SCSI_DSC_PATH_INVALID:
2411 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT:
2412 case I2O_SCSI_DSC_SELECTION_TIMEOUT:
2413 case I2O_SCSI_DSC_COMMAND_TIMEOUT:
2414 case I2O_SCSI_DSC_NO_ADAPTER:
2415 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE:
2416 printk(KERN_WARNING"%s: SCSI Timeout-Device (%d,%d,%llu) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2417 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun, hba_status, dev_status, cmd->cmnd[0]);
2418 cmd->result = (DID_TIME_OUT << 16);
2420 case I2O_SCSI_DSC_ADAPTER_BUSY:
2421 case I2O_SCSI_DSC_BUS_BUSY:
2422 cmd->result = (DID_BUS_BUSY << 16);
2424 case I2O_SCSI_DSC_SCSI_BUS_RESET:
2425 case I2O_SCSI_DSC_BDR_MESSAGE_SENT:
2426 cmd->result = (DID_RESET << 16);
2428 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE:
2429 printk(KERN_WARNING"%s: SCSI CMD parity error\n",pHba->name);
2430 cmd->result = (DID_PARITY << 16);
2432 case I2O_SCSI_DSC_UNABLE_TO_ABORT:
2433 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR:
2434 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE:
2435 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED:
2436 case I2O_SCSI_DSC_AUTOSENSE_FAILED:
2437 case I2O_SCSI_DSC_DATA_OVERRUN:
2438 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE:
2439 case I2O_SCSI_DSC_SEQUENCE_FAILURE:
2440 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR:
2441 case I2O_SCSI_DSC_PROVIDE_FAILURE:
2442 case I2O_SCSI_DSC_REQUEST_TERMINATED:
2443 case I2O_SCSI_DSC_IDE_MESSAGE_SENT:
2444 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT:
2445 case I2O_SCSI_DSC_MESSAGE_RECEIVED:
2446 case I2O_SCSI_DSC_INVALID_CDB:
2447 case I2O_SCSI_DSC_LUN_INVALID:
2448 case I2O_SCSI_DSC_SCSI_TID_INVALID:
2449 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE:
2450 case I2O_SCSI_DSC_NO_NEXUS:
2451 case I2O_SCSI_DSC_CDB_RECEIVED:
2452 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED:
2453 case I2O_SCSI_DSC_QUEUE_FROZEN:
2454 case I2O_SCSI_DSC_REQUEST_INVALID:
2456 printk(KERN_WARNING"%s: SCSI error %0x-Device(%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2457 pHba->name, detailed_status & I2O_SCSI_DSC_MASK, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2458 hba_status, dev_status, cmd->cmnd[0]);
2459 cmd->result = (DID_ERROR << 16);
2463 // copy over the request sense data if it was a check
2465 if (dev_status == SAM_STAT_CHECK_CONDITION) {
2466 u32 len = min(SCSI_SENSE_BUFFERSIZE, 40);
2467 // Copy over the sense data
2468 memcpy_fromio(cmd->sense_buffer, (reply+28) , len);
2469 if(cmd->sense_buffer[0] == 0x70 /* class 7 */ &&
2470 cmd->sense_buffer[2] == DATA_PROTECT ){
2471 /* This is to handle an array failed */
2472 cmd->result = (DID_TIME_OUT << 16);
2473 printk(KERN_WARNING"%s: SCSI Data Protect-Device (%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2474 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2475 hba_status, dev_status, cmd->cmnd[0]);
2480 /* In this condtion we could not talk to the tid
2481 * the card rejected it. We should signal a retry
2482 * for a limitted number of retries.
2484 cmd->result = (DID_TIME_OUT << 16);
2485 printk(KERN_WARNING"%s: I2O MSG_FAIL - Device (%d,%d,%llu) tid=%d, cmd=0x%x\n",
2486 pHba->name, (u32)cmd->device->channel, (u32)cmd->device->id, cmd->device->lun,
2487 ((struct adpt_device*)(cmd->device->hostdata))->tid, cmd->cmnd[0]);
2490 cmd->result |= (dev_status);
2492 if(cmd->scsi_done != NULL){
2493 cmd->scsi_done(cmd);
2499 static s32 adpt_rescan(adpt_hba* pHba)
2505 spin_lock_irqsave(pHba->host->host_lock, flags);
2506 if ((rcode=adpt_i2o_lct_get(pHba)) < 0)
2508 if ((rcode=adpt_i2o_reparse_lct(pHba)) < 0)
2512 spin_unlock_irqrestore(pHba->host->host_lock, flags);
2517 static s32 adpt_i2o_reparse_lct(adpt_hba* pHba)
2522 struct i2o_device *d;
2523 i2o_lct *lct = pHba->lct;
2527 u32 buf[10]; // at least 8 u32's
2528 struct adpt_device* pDev = NULL;
2529 struct i2o_device* pI2o_dev = NULL;
2532 printk(KERN_ERR "%s: LCT is empty???\n",pHba->name);
2536 max = lct->table_size;
2540 // Mark each drive as unscanned
2541 for (d = pHba->devices; d; d = d->next) {
2542 pDev =(struct adpt_device*) d->owner;
2546 pDev->state |= DPTI_DEV_UNSCANNED;
2549 printk(KERN_INFO "%s: LCT has %d entries.\n", pHba->name,max);
2551 for(i=0;i<max;i++) {
2552 if( lct->lct_entry[i].user_tid != 0xfff){
2556 if( lct->lct_entry[i].class_id == I2O_CLASS_RANDOM_BLOCK_STORAGE ||
2557 lct->lct_entry[i].class_id == I2O_CLASS_SCSI_PERIPHERAL ||
2558 lct->lct_entry[i].class_id == I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL ){
2559 tid = lct->lct_entry[i].tid;
2560 if(adpt_i2o_query_scalar(pHba, tid, 0x8000, -1, buf, 32)<0) {
2561 printk(KERN_ERR"%s: Could not query device\n",pHba->name);
2564 bus_no = buf[0]>>16;
2565 if (bus_no >= MAX_CHANNEL) { /* Something wrong skip it */
2567 "%s: Channel number %d out of range\n",
2568 pHba->name, bus_no);
2573 scsi_lun = scsilun_to_int((struct scsi_lun *)&buf[2]);
2574 pDev = pHba->channel[bus_no].device[scsi_id];
2577 if(pDev->scsi_lun == scsi_lun) {
2580 pDev = pDev->next_lun;
2582 if(!pDev ) { // Something new add it
2583 d = kmalloc(sizeof(struct i2o_device),
2587 printk(KERN_CRIT "Out of memory for I2O device data.\n");
2591 d->controller = pHba;
2594 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2597 adpt_i2o_report_hba_unit(pHba, d);
2598 adpt_i2o_install_device(pHba, d);
2600 pDev = pHba->channel[bus_no].device[scsi_id];
2603 kzalloc(sizeof(struct adpt_device),
2608 pHba->channel[bus_no].device[scsi_id] = pDev;
2610 while (pDev->next_lun) {
2611 pDev = pDev->next_lun;
2613 pDev = pDev->next_lun =
2614 kzalloc(sizeof(struct adpt_device),
2620 pDev->tid = d->lct_data.tid;
2621 pDev->scsi_channel = bus_no;
2622 pDev->scsi_id = scsi_id;
2623 pDev->scsi_lun = scsi_lun;
2626 pDev->type = (buf[0])&0xff;
2627 pDev->flags = (buf[0]>>8)&0xff;
2628 // Too late, SCSI system has made up it's mind, but what the hey ...
2629 if(scsi_id > pHba->top_scsi_id){
2630 pHba->top_scsi_id = scsi_id;
2632 if(scsi_lun > pHba->top_scsi_lun){
2633 pHba->top_scsi_lun = scsi_lun;
2636 } // end of new i2o device
2638 // We found an old device - check it
2640 if(pDev->scsi_lun == scsi_lun) {
2641 if(!scsi_device_online(pDev->pScsi_dev)) {
2642 printk(KERN_WARNING"%s: Setting device (%d,%d,%llu) back online\n",
2643 pHba->name,bus_no,scsi_id,scsi_lun);
2644 if (pDev->pScsi_dev) {
2645 scsi_device_set_state(pDev->pScsi_dev, SDEV_RUNNING);
2649 if(d->lct_data.tid != tid) { // something changed
2651 memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
2652 if (pDev->pScsi_dev) {
2653 pDev->pScsi_dev->changed = TRUE;
2654 pDev->pScsi_dev->removable = TRUE;
2657 // Found it - mark it scanned
2658 pDev->state = DPTI_DEV_ONLINE;
2661 pDev = pDev->next_lun;
2665 for (pI2o_dev = pHba->devices; pI2o_dev; pI2o_dev = pI2o_dev->next) {
2666 pDev =(struct adpt_device*) pI2o_dev->owner;
2670 // Drive offline drives that previously existed but could not be found
2672 if (pDev->state & DPTI_DEV_UNSCANNED){
2673 pDev->state = DPTI_DEV_OFFLINE;
2674 printk(KERN_WARNING"%s: Device (%d,%d,%llu) offline\n",pHba->name,pDev->scsi_channel,pDev->scsi_id,pDev->scsi_lun);
2675 if (pDev->pScsi_dev) {
2676 scsi_device_set_state(pDev->pScsi_dev, SDEV_OFFLINE);
2683 static void adpt_fail_posted_scbs(adpt_hba* pHba)
2685 struct scsi_cmnd* cmd = NULL;
2686 struct scsi_device* d = NULL;
2688 shost_for_each_device(d, pHba->host) {
2689 unsigned long flags;
2690 spin_lock_irqsave(&d->list_lock, flags);
2691 list_for_each_entry(cmd, &d->cmd_list, list) {
2692 if(cmd->serial_number == 0){
2695 cmd->result = (DID_OK << 16) | (QUEUE_FULL <<1);
2696 cmd->scsi_done(cmd);
2698 spin_unlock_irqrestore(&d->list_lock, flags);
2703 /*============================================================================
2704 * Routines from i2o subsystem
2705 *============================================================================
2711 * Bring an I2O controller into HOLD state. See the spec.
2713 static int adpt_i2o_activate_hba(adpt_hba* pHba)
2717 if(pHba->initialized ) {
2718 if (adpt_i2o_status_get(pHba) < 0) {
2719 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2720 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2723 if (adpt_i2o_status_get(pHba) < 0) {
2724 printk(KERN_INFO "HBA not responding.\n");
2729 if(pHba->status_block->iop_state == ADAPTER_STATE_FAULTED) {
2730 printk(KERN_CRIT "%s: hardware fault\n", pHba->name);
2734 if (pHba->status_block->iop_state == ADAPTER_STATE_READY ||
2735 pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL ||
2736 pHba->status_block->iop_state == ADAPTER_STATE_HOLD ||
2737 pHba->status_block->iop_state == ADAPTER_STATE_FAILED) {
2738 adpt_i2o_reset_hba(pHba);
2739 if (adpt_i2o_status_get(pHba) < 0 || pHba->status_block->iop_state != ADAPTER_STATE_RESET) {
2740 printk(KERN_ERR "%s: Failed to initialize.\n", pHba->name);
2745 if((rcode = adpt_i2o_reset_hba(pHba)) != 0){
2746 printk(KERN_WARNING"%s: Could NOT reset.\n", pHba->name);
2752 if (adpt_i2o_init_outbound_q(pHba) < 0) {
2758 if (adpt_i2o_hrt_get(pHba) < 0) {
2766 * Bring a controller online into OPERATIONAL state.
2769 static int adpt_i2o_online_hba(adpt_hba* pHba)
2771 if (adpt_i2o_systab_send(pHba) < 0)
2773 /* In READY state */
2775 if (adpt_i2o_enable_hba(pHba) < 0)
2778 /* In OPERATIONAL state */
2782 static s32 adpt_send_nop(adpt_hba*pHba,u32 m)
2785 ulong timeout = jiffies + 5*HZ;
2787 while(m == EMPTY_QUEUE){
2789 m = readl(pHba->post_port);
2790 if(m != EMPTY_QUEUE){
2793 if(time_after(jiffies,timeout)){
2794 printk(KERN_ERR "%s: Timeout waiting for message frame!\n",pHba->name);
2797 schedule_timeout_uninterruptible(1);
2799 msg = (u32 __iomem *)(pHba->msg_addr_virt + m);
2800 writel( THREE_WORD_MSG_SIZE | SGL_OFFSET_0,&msg[0]);
2801 writel( I2O_CMD_UTIL_NOP << 24 | HOST_TID << 12 | 0,&msg[1]);
2805 writel(m, pHba->post_port);
2810 static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
2814 u32 __iomem *msg = NULL;
2816 ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ;
2821 m = readl(pHba->post_port);
2822 if (m != EMPTY_QUEUE) {
2826 if(time_after(jiffies,timeout)){
2827 printk(KERN_WARNING"%s: Timeout waiting for message frame\n",pHba->name);
2830 schedule_timeout_uninterruptible(1);
2831 } while(m == EMPTY_QUEUE);
2833 msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
2835 status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
2837 adpt_send_nop(pHba, m);
2838 printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n",
2842 memset(status, 0, 4);
2844 writel(EIGHT_WORD_MSG_SIZE| SGL_OFFSET_6, &msg[0]);
2845 writel(I2O_CMD_OUTBOUND_INIT<<24 | HOST_TID<<12 | ADAPTER_TID, &msg[1]);
2847 writel(0x0106, &msg[3]); /* Transaction context */
2848 writel(4096, &msg[4]); /* Host page frame size */
2849 writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */
2850 writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */
2851 writel((u32)addr, &msg[7]);
2853 writel(m, pHba->post_port);
2856 // Wait for the reply status to come back
2859 if (*status != 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2864 if(time_after(jiffies,timeout)){
2865 printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name);
2866 /* We lose 4 bytes of "status" here, but we
2867 cannot free these because controller may
2868 awake and corrupt those bytes at any time */
2869 /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
2872 schedule_timeout_uninterruptible(1);
2875 // If the command was successful, fill the fifo with our reply
2877 if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2878 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
2881 dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
2883 if(pHba->reply_pool != NULL) {
2884 dma_free_coherent(&pHba->pDev->dev,
2885 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
2886 pHba->reply_pool, pHba->reply_pool_pa);
2889 pHba->reply_pool = dma_alloc_coherent(&pHba->pDev->dev,
2890 pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
2891 &pHba->reply_pool_pa, GFP_KERNEL);
2892 if (!pHba->reply_pool) {
2893 printk(KERN_ERR "%s: Could not allocate reply pool\n", pHba->name);
2896 memset(pHba->reply_pool, 0 , pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4);
2898 for(i = 0; i < pHba->reply_fifo_size; i++) {
2899 writel(pHba->reply_pool_pa + (i * REPLY_FRAME_SIZE * 4),
2903 adpt_i2o_status_get(pHba);
2909 * I2O System Table. Contains information about
2910 * all the IOPs in the system. Used to inform IOPs
2911 * about each other's existence.
2913 * sys_tbl_ver is the CurrentChangeIndicator that is
2914 * used by IOPs to track changes.
2919 static s32 adpt_i2o_status_get(adpt_hba* pHba)
2924 u8 *status_block=NULL;
2926 if(pHba->status_block == NULL) {
2927 pHba->status_block = dma_alloc_coherent(&pHba->pDev->dev,
2928 sizeof(i2o_status_block),
2929 &pHba->status_block_pa, GFP_KERNEL);
2930 if(pHba->status_block == NULL) {
2932 "dpti%d: Get Status Block failed; Out of memory. \n",
2937 memset(pHba->status_block, 0, sizeof(i2o_status_block));
2938 status_block = (u8*)(pHba->status_block);
2939 timeout = jiffies+TMOUT_GETSTATUS*HZ;
2942 m = readl(pHba->post_port);
2943 if (m != EMPTY_QUEUE) {
2946 if(time_after(jiffies,timeout)){
2947 printk(KERN_ERR "%s: Timeout waiting for message !\n",
2951 schedule_timeout_uninterruptible(1);
2952 } while(m==EMPTY_QUEUE);
2955 msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
2957 writel(NINE_WORD_MSG_SIZE|SGL_OFFSET_0, &msg[0]);
2958 writel(I2O_CMD_STATUS_GET<<24|HOST_TID<<12|ADAPTER_TID, &msg[1]);
2963 writel( dma_low(pHba->status_block_pa), &msg[6]);
2964 writel( dma_high(pHba->status_block_pa), &msg[7]);
2965 writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes
2968 writel(m, pHba->post_port);
2971 while(status_block[87]!=0xff){
2972 if(time_after(jiffies,timeout)){
2973 printk(KERN_ERR"dpti%d: Get status timeout.\n",
2978 schedule_timeout_uninterruptible(1);
2981 // Set up our number of outbound and inbound messages
2982 pHba->post_fifo_size = pHba->status_block->max_inbound_frames;
2983 if (pHba->post_fifo_size > MAX_TO_IOP_MESSAGES) {
2984 pHba->post_fifo_size = MAX_TO_IOP_MESSAGES;
2987 pHba->reply_fifo_size = pHba->status_block->max_outbound_frames;
2988 if (pHba->reply_fifo_size > MAX_FROM_IOP_MESSAGES) {
2989 pHba->reply_fifo_size = MAX_FROM_IOP_MESSAGES;
2992 // Calculate the Scatter Gather list size
2993 if (dpt_dma64(pHba)) {
2995 = ((pHba->status_block->inbound_frame_size * 4
2997 / (sizeof(struct sg_simple_element) + sizeof(u32)));
3000 = ((pHba->status_block->inbound_frame_size * 4
3002 / sizeof(struct sg_simple_element));
3004 if (pHba->sg_tablesize > SG_LIST_ELEMENTS) {
3005 pHba->sg_tablesize = SG_LIST_ELEMENTS;
3010 printk("dpti%d: State = ",pHba->unit);
3011 switch(pHba->status_block->iop_state) {
3025 printk("OPERATIONAL\n");
3031 printk("FAULTED\n");
3034 printk("%x (unknown!!)\n",pHba->status_block->iop_state);
3041 * Get the IOP's Logical Configuration Table
3043 static int adpt_i2o_lct_get(adpt_hba* pHba)
3049 if ((pHba->lct_size == 0) || (pHba->lct == NULL)){
3050 pHba->lct_size = pHba->status_block->expected_lct_size;
3053 if (pHba->lct == NULL) {
3054 pHba->lct = dma_alloc_coherent(&pHba->pDev->dev,
3055 pHba->lct_size, &pHba->lct_pa,
3057 if(pHba->lct == NULL) {
3058 printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n",
3063 memset(pHba->lct, 0, pHba->lct_size);
3065 msg[0] = EIGHT_WORD_MSG_SIZE|SGL_OFFSET_6;
3066 msg[1] = I2O_CMD_LCT_NOTIFY<<24 | HOST_TID<<12 | ADAPTER_TID;
3069 msg[4] = 0xFFFFFFFF; /* All devices */
3070 msg[5] = 0x00000000; /* Report now */
3071 msg[6] = 0xD0000000|pHba->lct_size;
3072 msg[7] = (u32)pHba->lct_pa;
3074 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) {
3075 printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n",
3077 printk(KERN_ERR"Adaptec: Error Reading Hardware.\n");
3081 if ((pHba->lct->table_size << 2) > pHba->lct_size) {
3082 pHba->lct_size = pHba->lct->table_size << 2;
3083 dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
3084 pHba->lct, pHba->lct_pa);
3087 } while (pHba->lct == NULL);
3089 PDEBUG("%s: Hardware resource table read.\n", pHba->name);
3092 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
3093 if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) {
3094 pHba->FwDebugBufferSize = buf[1];
3095 pHba->FwDebugBuffer_P = ioremap(pHba->base_addr_phys + buf[0],
3096 pHba->FwDebugBufferSize);
3097 if (pHba->FwDebugBuffer_P) {
3098 pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P +
3099 FW_DEBUG_FLAGS_OFFSET;
3100 pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P +
3101 FW_DEBUG_BLED_OFFSET;
3102 pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1;
3103 pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P +
3104 FW_DEBUG_STR_LENGTH_OFFSET;
3105 pHba->FwDebugBuffer_P += buf[2];
3106 pHba->FwDebugFlags = 0;
3113 static int adpt_i2o_build_sys_table(void)
3115 adpt_hba* pHba = hba_chain;
3119 dma_free_coherent(&pHba->pDev->dev, sys_tbl_len,
3120 sys_tbl, sys_tbl_pa);
3122 sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs
3123 (hba_count) * sizeof(struct i2o_sys_tbl_entry);
3125 sys_tbl = dma_alloc_coherent(&pHba->pDev->dev,
3126 sys_tbl_len, &sys_tbl_pa, GFP_KERNEL);
3128 printk(KERN_WARNING "SysTab Set failed. Out of memory.\n");
3131 memset(sys_tbl, 0, sys_tbl_len);
3133 sys_tbl->num_entries = hba_count;
3134 sys_tbl->version = I2OVERSION;
3135 sys_tbl->change_ind = sys_tbl_ind++;
3137 for(pHba = hba_chain; pHba; pHba = pHba->next) {
3139 // Get updated Status Block so we have the latest information
3140 if (adpt_i2o_status_get(pHba)) {
3141 sys_tbl->num_entries--;
3142 continue; // try next one
3145 sys_tbl->iops[count].org_id = pHba->status_block->org_id;
3146 sys_tbl->iops[count].iop_id = pHba->unit + 2;
3147 sys_tbl->iops[count].seg_num = 0;
3148 sys_tbl->iops[count].i2o_version = pHba->status_block->i2o_version;
3149 sys_tbl->iops[count].iop_state = pHba->status_block->iop_state;
3150 sys_tbl->iops[count].msg_type = pHba->status_block->msg_type;
3151 sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size;
3152 sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ??
3153 sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities;
3154 addr = pHba->base_addr_phys + 0x40;
3155 sys_tbl->iops[count].inbound_low = dma_low(addr);
3156 sys_tbl->iops[count].inbound_high = dma_high(addr);
3163 u32 *table = (u32*)sys_tbl;
3164 printk(KERN_DEBUG"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len >>2));
3165 for(count = 0; count < (sys_tbl_len >>2); count++) {
3166 printk(KERN_INFO "sys_tbl[%d] = %0#10x\n",
3167 count, table[count]);
3177 * Dump the information block associated with a given unit (TID)
3180 static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d)
3183 int unit = d->lct_data.tid;
3185 printk(KERN_INFO "TID %3.3d ", unit);
3187 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 3, buf, 16)>=0)
3190 printk(" Vendor: %-12.12s", buf);
3192 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 4, buf, 16)>=0)
3195 printk(" Device: %-12.12s", buf);
3197 if(adpt_i2o_query_scalar(pHba, unit, 0xF100, 6, buf, 8)>=0)
3200 printk(" Rev: %-12.12s\n", buf);
3203 printk(KERN_INFO "\tClass: %.21s\n", adpt_i2o_get_class_name(d->lct_data.class_id));
3204 printk(KERN_INFO "\tSubclass: 0x%04X\n", d->lct_data.sub_class);
3205 printk(KERN_INFO "\tFlags: ");
3207 if(d->lct_data.device_flags&(1<<0))
3208 printk("C"); // ConfigDialog requested
3209 if(d->lct_data.device_flags&(1<<1))
3210 printk("U"); // Multi-user capable
3211 if(!(d->lct_data.device_flags&(1<<4)))
3212 printk("P"); // Peer service enabled!
3213 if(!(d->lct_data.device_flags&(1<<5)))
3214 printk("M"); // Mgmt service enabled!
3221 * Do i2o class name lookup
3223 static const char *adpt_i2o_get_class_name(int class)
3226 static char *i2o_class_name[] = {
3228 "Device Driver Module",
3233 "Fibre Channel Port",
3234 "Fibre Channel Device",
3238 "Floppy Controller",
3240 "Secondary Bus Port",
3241 "Peer Transport Agent",
3246 switch(class&0xFFF) {
3247 case I2O_CLASS_EXECUTIVE:
3251 case I2O_CLASS_RANDOM_BLOCK_STORAGE:
3253 case I2O_CLASS_SEQUENTIAL_STORAGE:
3259 case I2O_CLASS_FIBRE_CHANNEL_PORT:
3261 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL:
3263 case I2O_CLASS_SCSI_PERIPHERAL:
3265 case I2O_CLASS_ATE_PORT:
3267 case I2O_CLASS_ATE_PERIPHERAL:
3269 case I2O_CLASS_FLOPPY_CONTROLLER:
3271 case I2O_CLASS_FLOPPY_DEVICE:
3273 case I2O_CLASS_BUS_ADAPTER_PORT:
3275 case I2O_CLASS_PEER_TRANSPORT_AGENT:
3277 case I2O_CLASS_PEER_TRANSPORT:
3280 return i2o_class_name[idx];
3285 static s32 adpt_i2o_hrt_get(adpt_hba* pHba)
3288 int ret, size = sizeof(i2o_hrt);
3291 if (pHba->hrt == NULL) {
3292 pHba->hrt = dma_alloc_coherent(&pHba->pDev->dev,
3293 size, &pHba->hrt_pa, GFP_KERNEL);
3294 if (pHba->hrt == NULL) {
3295 printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name);
3300 msg[0]= SIX_WORD_MSG_SIZE| SGL_OFFSET_4;
3301 msg[1]= I2O_CMD_HRT_GET<<24 | HOST_TID<<12 | ADAPTER_TID;
3304 msg[4]= (0xD0000000 | size); /* Simple transaction */
3305 msg[5]= (u32)pHba->hrt_pa; /* Dump it here */
3307 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) {
3308 printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret);
3312 if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) {
3313 int newsize = pHba->hrt->num_entries * pHba->hrt->entry_len << 2;
3314 dma_free_coherent(&pHba->pDev->dev, size,
3315 pHba->hrt, pHba->hrt_pa);
3319 } while(pHba->hrt == NULL);
3324 * Query one scalar group value or a whole scalar group.
3326 static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid,
3327 int group, int field, void *buf, int buflen)
3329 u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field };
3331 dma_addr_t opblk_pa;
3333 dma_addr_t resblk_pa;
3337 /* 8 bytes for header */
3338 resblk_va = dma_alloc_coherent(&pHba->pDev->dev,
3339 sizeof(u8) * (8 + buflen), &resblk_pa, GFP_KERNEL);
3340 if (resblk_va == NULL) {
3341 printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name);
3345 opblk_va = dma_alloc_coherent(&pHba->pDev->dev,
3346 sizeof(opblk), &opblk_pa, GFP_KERNEL);
3347 if (opblk_va == NULL) {
3348 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3349 resblk_va, resblk_pa);
3350 printk(KERN_CRIT "%s: query operation failed; Out of memory.\n",
3354 if (field == -1) /* whole group */
3357 memcpy(opblk_va, opblk, sizeof(opblk));
3358 size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid,
3359 opblk_va, opblk_pa, sizeof(opblk),
3360 resblk_va, resblk_pa, sizeof(u8)*(8+buflen));
3361 dma_free_coherent(&pHba->pDev->dev, sizeof(opblk), opblk_va, opblk_pa);
3362 if (size == -ETIME) {
3363 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3364 resblk_va, resblk_pa);
3365 printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name);
3367 } else if (size == -EINTR) {
3368 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3369 resblk_va, resblk_pa);
3370 printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name);
3374 memcpy(buf, resblk_va+8, buflen); /* cut off header */
3376 dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
3377 resblk_va, resblk_pa);
3385 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3387 * This function can be used for all UtilParamsGet/Set operations.
3388 * The OperationBlock is given in opblk-buffer,
3389 * and results are returned in resblk-buffer.
3390 * Note that the minimum sized resblk is 8 bytes and contains
3391 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3393 static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
3394 void *opblk_va, dma_addr_t opblk_pa, int oplen,
3395 void *resblk_va, dma_addr_t resblk_pa, int reslen)
3398 u32 *res = (u32 *)resblk_va;
3401 msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5;
3402 msg[1] = cmd << 24 | HOST_TID << 12 | tid;
3406 msg[5] = 0x54000000 | oplen; /* OperationBlock */
3407 msg[6] = (u32)opblk_pa;
3408 msg[7] = 0xD0000000 | reslen; /* ResultBlock */
3409 msg[8] = (u32)resblk_pa;
3411 if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) {
3412 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va);
3413 return wait_status; /* -DetailedStatus */
3416 if (res[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3417 printk(KERN_WARNING "%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3418 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3420 (cmd == I2O_CMD_UTIL_PARAMS_SET) ? "PARAMS_SET"
3422 res[1]>>24, (res[1]>>16)&0xFF, res[1]&0xFFFF);
3423 return -((res[1] >> 16) & 0xFF); /* -BlockStatus */
3426 return 4 + ((res[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3430 static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba)
3435 adpt_i2o_status_get(pHba);
3437 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3439 if((pHba->status_block->iop_state != ADAPTER_STATE_READY) &&
3440 (pHba->status_block->iop_state != ADAPTER_STATE_OPERATIONAL)){
3444 msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3445 msg[1] = I2O_CMD_SYS_QUIESCE<<24|HOST_TID<<12|ADAPTER_TID;
3449 if((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3450 printk(KERN_INFO"dpti%d: Unable to quiesce (status=%#x).\n",
3453 printk(KERN_INFO"dpti%d: Quiesced.\n",pHba->unit);
3456 adpt_i2o_status_get(pHba);
3462 * Enable IOP. Allows the IOP to resume external operations.
3464 static int adpt_i2o_enable_hba(adpt_hba* pHba)
3469 adpt_i2o_status_get(pHba);
3470 if(!pHba->status_block){
3473 /* Enable only allowed on READY state */
3474 if(pHba->status_block->iop_state == ADAPTER_STATE_OPERATIONAL)
3477 if(pHba->status_block->iop_state != ADAPTER_STATE_READY)
3480 msg[0]=FOUR_WORD_MSG_SIZE|SGL_OFFSET_0;
3481 msg[1]=I2O_CMD_SYS_ENABLE<<24|HOST_TID<<12|ADAPTER_TID;
3485 if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 240))) {
3486 printk(KERN_WARNING"%s: Could not enable (status=%#10x).\n",
3489 PDEBUG("%s: Enabled.\n", pHba->name);
3492 adpt_i2o_status_get(pHba);
3497 static int adpt_i2o_systab_send(adpt_hba* pHba)
3502 msg[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6;
3503 msg[1] = I2O_CMD_SYS_TAB_SET<<24 | HOST_TID<<12 | ADAPTER_TID;
3506 msg[4] = (0<<16) | ((pHba->unit+2) << 12); /* Host 0 IOP ID (unit + 2) */
3507 msg[5] = 0; /* Segment 0 */
3510 * Provide three SGL-elements:
3511 * System table (SysTab), Private memory space declaration and
3512 * Private i/o space declaration
3514 msg[6] = 0x54000000 | sys_tbl_len;
3515 msg[7] = (u32)sys_tbl_pa;
3516 msg[8] = 0x54000000 | 0;
3518 msg[10] = 0xD4000000 | 0;
3521 if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 120))) {
3522 printk(KERN_INFO "%s: Unable to set SysTab (status=%#10x).\n",
3527 PINFO("%s: SysTab set.\n", pHba->name);
3535 /*============================================================================
3537 *============================================================================
3543 static static void adpt_delay(int millisec)
3546 for (i = 0; i < millisec; i++) {
3547 udelay(1000); /* delay for one millisecond */
3553 static struct scsi_host_template driver_template = {
3554 .module = THIS_MODULE,
3556 .proc_name = "dpt_i2o",
3557 .show_info = adpt_show_info,
3559 .queuecommand = adpt_queue,
3560 .eh_abort_handler = adpt_abort,
3561 .eh_device_reset_handler = adpt_device_reset,
3562 .eh_bus_reset_handler = adpt_bus_reset,
3563 .eh_host_reset_handler = adpt_reset,
3564 .bios_param = adpt_bios_param,
3565 .slave_configure = adpt_slave_configure,
3566 .can_queue = MAX_TO_IOP_MESSAGES,
3568 .use_clustering = ENABLE_CLUSTERING,
3571 static int __init adpt_init(void)
3574 adpt_hba *pHba, *next;
3576 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
3578 error = adpt_detect(&driver_template);
3581 if (hba_chain == NULL)
3584 for (pHba = hba_chain; pHba; pHba = pHba->next) {
3585 error = scsi_add_host(pHba->host, &pHba->pDev->dev);
3588 scsi_scan_host(pHba->host);
3592 for (pHba = hba_chain; pHba; pHba = next) {
3594 scsi_remove_host(pHba->host);
3599 static void __exit adpt_exit(void)
3601 adpt_hba *pHba, *next;
3603 for (pHba = hba_chain; pHba; pHba = pHba->next)
3604 scsi_remove_host(pHba->host);
3605 for (pHba = hba_chain; pHba; pHba = next) {
3607 adpt_release(pHba->host);
3611 module_init(adpt_init);
3612 module_exit(adpt_exit);
3614 MODULE_LICENSE("GPL");