1 /***************************************************************************
5 copyright : (C) 2000 by Adaptec
7 July 30, 2001 First version being submitted
8 for inclusion in the kernel. V2.4
10 See Documentation/scsi/dpti.txt for history, notes, license info
12 ***************************************************************************/
14 /***************************************************************************
16 * This program is free software; you can redistribute it and/or modify *
17 * it under the terms of the GNU General Public License as published by *
18 * the Free Software Foundation; either version 2 of the License, or *
19 * (at your option) any later version. *
21 ***************************************************************************/
22 /***************************************************************************
23 * Sat Dec 20 2003 Go Taniguchi <go@turbolinux.co.jp>
24 - Support 2.6 kernel and DMA-mapping
25 - ioctl fix for raid tools
26 - use schedule_timeout in long long loop
27 **************************************************************************/
30 /*#define UARTDELAY 1 */
32 #include <linux/module.h>
34 MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
35 MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
37 ////////////////////////////////////////////////////////////////
39 #include <linux/ioctl.h> /* For SCSI-Passthrough */
40 #include <asm/uaccess.h>
42 #include <linux/stat.h>
43 #include <linux/slab.h> /* for kmalloc() */
44 #include <linux/pci.h> /* for PCI support */
45 #include <linux/proc_fs.h>
46 #include <linux/blkdev.h>
47 #include <linux/delay.h> /* for udelay */
48 #include <linux/interrupt.h>
49 #include <linux/kernel.h> /* for printk */
50 #include <linux/sched.h>
51 #include <linux/reboot.h>
52 #include <linux/smp_lock.h>
53 #include <linux/spinlock.h>
54 #include <linux/dma-mapping.h>
56 #include <linux/timer.h>
57 #include <linux/string.h>
58 #include <linux/ioport.h>
59 #include <linux/mutex.h>
61 #include <asm/processor.h> /* for boot_cpu_data */
62 #include <asm/pgtable.h>
63 #include <asm/io.h> /* for virt_to_bus, etc. */
65 #include <scsi/scsi.h>
66 #include <scsi/scsi_cmnd.h>
67 #include <scsi/scsi_device.h>
68 #include <scsi/scsi_host.h>
69 #include <scsi/scsi_tcq.h>
71 #include "dpt/dptsig.h"
74 /*============================================================================
75 * Create a binary signature - this is read by dptsig
76 * Needed for our management apps
77 *============================================================================
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
;
118 static long compat_adpt_ioctl(struct file
*, unsigned int, unsigned long);
121 static const struct file_operations adpt_fops
= {
124 .release
= adpt_close
,
126 .compat_ioctl
= compat_adpt_ioctl
,
130 /* Structures and definitions for synchronous message posting.
131 * See adpt_i2o_post_wait() for description
133 struct adpt_i2o_post_wait_data
137 adpt_wait_queue_head_t
*wq
;
138 struct adpt_i2o_post_wait_data
*next
;
141 static struct adpt_i2o_post_wait_data
*adpt_post_wait_queue
= NULL
;
142 static u32 adpt_post_wait_id
= 0;
143 static DEFINE_SPINLOCK(adpt_post_wait_lock
);
146 /*============================================================================
148 *============================================================================
151 static inline int dpt_dma64(adpt_hba
*pHba
)
153 return (sizeof(dma_addr_t
) > 4 && (pHba
)->dma64
);
156 static inline u32
dma_high(dma_addr_t addr
)
158 return upper_32_bits(addr
);
161 static inline u32
dma_low(dma_addr_t addr
)
166 static u8
adpt_read_blink_led(adpt_hba
* host
)
168 if (host
->FwDebugBLEDflag_P
) {
169 if( readb(host
->FwDebugBLEDflag_P
) == 0xbc ){
170 return readb(host
->FwDebugBLEDvalue_P
);
176 /*============================================================================
177 * Scsi host template interface functions
178 *============================================================================
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
,},
186 MODULE_DEVICE_TABLE(pci
,dptids
);
188 static int adpt_detect(struct scsi_host_template
* sht
)
190 struct pci_dev
*pDev
= NULL
;
193 PINFO("Detecting Adaptec I2O RAID controllers...\n");
195 /* search for all Adatpec I2O RAID cards */
196 while ((pDev
= pci_get_device( PCI_DPT_VENDOR_ID
, PCI_ANY_ID
, pDev
))) {
197 if(pDev
->device
== PCI_DPT_DEVICE_ID
||
198 pDev
->device
== PCI_DPT_RAPTOR_DEVICE_ID
){
199 if(adpt_install_hba(sht
, pDev
) ){
200 PERROR("Could not Init an I2O RAID device\n");
201 PERROR("Will not try to detect others.\n");
208 /* In INIT state, Activate IOPs */
209 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
210 // Activate does get status , init outbound, and get hrt
211 if (adpt_i2o_activate_hba(pHba
) < 0) {
212 adpt_i2o_delete_hba(pHba
);
217 /* Active IOPs in HOLD state */
220 if (hba_chain
== NULL
)
224 * If build_sys_table fails, we kill everything and bail
225 * as we can't init the IOPs w/o a system table
227 if (adpt_i2o_build_sys_table() < 0) {
228 adpt_i2o_sys_shutdown();
232 PDEBUG("HBA's in HOLD state\n");
234 /* If IOP don't get online, we need to rebuild the System table */
235 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
236 if (adpt_i2o_online_hba(pHba
) < 0) {
237 adpt_i2o_delete_hba(pHba
);
238 goto rebuild_sys_tab
;
242 /* Active IOPs now in OPERATIONAL state */
243 PDEBUG("HBA's in OPERATIONAL state\n");
245 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
246 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
247 printk(KERN_INFO
"%s: Reading the hardware resource table.\n", pHba
->name
);
248 if (adpt_i2o_lct_get(pHba
) < 0){
249 adpt_i2o_delete_hba(pHba
);
253 if (adpt_i2o_parse_lct(pHba
) < 0){
254 adpt_i2o_delete_hba(pHba
);
260 adpt_sysfs_class
= class_create(THIS_MODULE
, "dpt_i2o");
261 if (IS_ERR(adpt_sysfs_class
)) {
262 printk(KERN_WARNING
"dpti: unable to create dpt_i2o class\n");
263 adpt_sysfs_class
= NULL
;
266 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
267 if (adpt_scsi_host_alloc(pHba
, sht
) < 0){
268 adpt_i2o_delete_hba(pHba
);
271 pHba
->initialized
= TRUE
;
272 pHba
->state
&= ~DPTI_STATE_RESET
;
273 if (adpt_sysfs_class
) {
274 struct device
*dev
= device_create_drvdata(adpt_sysfs_class
,
275 NULL
, MKDEV(DPTI_I2O_MAJOR
, pHba
->unit
), NULL
,
276 "dpti%d", pHba
->unit
);
278 printk(KERN_WARNING
"dpti%d: unable to "
279 "create device in dpt_i2o class\n",
285 // Register our control device node
286 // nodes will need to be created in /dev to access this
287 // the nodes can not be created from within the driver
288 if (hba_count
&& register_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
, &adpt_fops
)) {
289 adpt_i2o_sys_shutdown();
297 * scsi_unregister will be called AFTER we return.
299 static int adpt_release(struct Scsi_Host
*host
)
301 adpt_hba
* pHba
= (adpt_hba
*) host
->hostdata
[0];
302 // adpt_i2o_quiesce_hba(pHba);
303 adpt_i2o_delete_hba(pHba
);
304 scsi_unregister(host
);
309 static void adpt_inquiry(adpt_hba
* pHba
)
323 memset(msg
, 0, sizeof(msg
));
324 buf
= dma_alloc_coherent(&pHba
->pDev
->dev
, 80, &addr
, GFP_KERNEL
);
326 printk(KERN_ERR
"%s: Could not allocate buffer\n",pHba
->name
);
329 memset((void*)buf
, 0, 36);
332 direction
= 0x00000000;
333 scsidir
=0x40000000; // DATA IN (iop<--dev)
336 reqlen
= 17; // SINGLE SGE, 64 bit
338 reqlen
= 14; // SINGLE SGE, 32 bit
339 /* Stick the headers on */
340 msg
[0] = reqlen
<<16 | SGL_OFFSET_12
;
341 msg
[1] = (0xff<<24|HOST_TID
<<12|ADAPTER_TID
);
344 // Adaptec/DPT Private stuff
345 msg
[4] = I2O_CMD_SCSI_EXEC
|DPT_ORGANIZATION_ID
<<16;
346 msg
[5] = ADAPTER_TID
| 1<<16 /* Interpret*/;
347 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
348 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
349 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
350 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
351 msg
[6] = scsidir
|0x20a00000| 6 /* cmd len*/;
355 memset(scb
, 0, sizeof(scb
));
356 // Write SCSI command into the message - always 16 byte block
363 // Don't care about the rest of scb
365 memcpy(mptr
, scb
, sizeof(scb
));
367 lenptr
=mptr
++; /* Remember me - fill in when we know */
369 /* Now fill in the SGList and command */
371 if (dpt_dma64(pHba
)) {
372 *mptr
++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
373 *mptr
++ = 1 << PAGE_SHIFT
;
374 *mptr
++ = 0xD0000000|direction
|len
;
375 *mptr
++ = dma_low(addr
);
376 *mptr
++ = dma_high(addr
);
378 *mptr
++ = 0xD0000000|direction
|len
;
382 // Send it on it's way
383 rcode
= adpt_i2o_post_wait(pHba
, msg
, reqlen
<<2, 120);
385 sprintf(pHba
->detail
, "Adaptec I2O RAID");
386 printk(KERN_INFO
"%s: Inquiry Error (%d)\n",pHba
->name
,rcode
);
387 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
388 dma_free_coherent(&pHba
->pDev
->dev
, 80, buf
, addr
);
390 memset(pHba
->detail
, 0, sizeof(pHba
->detail
));
391 memcpy(&(pHba
->detail
), "Vendor: Adaptec ", 16);
392 memcpy(&(pHba
->detail
[16]), " Model: ", 8);
393 memcpy(&(pHba
->detail
[24]), (u8
*) &buf
[16], 16);
394 memcpy(&(pHba
->detail
[40]), " FW: ", 4);
395 memcpy(&(pHba
->detail
[44]), (u8
*) &buf
[32], 4);
396 pHba
->detail
[48] = '\0'; /* precautionary */
397 dma_free_coherent(&pHba
->pDev
->dev
, 80, buf
, addr
);
399 adpt_i2o_status_get(pHba
);
404 static int adpt_slave_configure(struct scsi_device
* device
)
406 struct Scsi_Host
*host
= device
->host
;
409 pHba
= (adpt_hba
*) host
->hostdata
[0];
411 if (host
->can_queue
&& device
->tagged_supported
) {
412 scsi_adjust_queue_depth(device
, MSG_SIMPLE_TAG
,
413 host
->can_queue
- 1);
415 scsi_adjust_queue_depth(device
, 0, 1);
420 static int adpt_queue(struct scsi_cmnd
* cmd
, void (*done
) (struct scsi_cmnd
*))
422 adpt_hba
* pHba
= NULL
;
423 struct adpt_device
* pDev
= NULL
; /* dpt per device information */
425 cmd
->scsi_done
= done
;
427 * SCSI REQUEST_SENSE commands will be executed automatically by the
428 * Host Adapter for any errors, so they should not be executed
429 * explicitly unless the Sense Data is zero indicating that no error
433 if ((cmd
->cmnd
[0] == REQUEST_SENSE
) && (cmd
->sense_buffer
[0] != 0)) {
434 cmd
->result
= (DID_OK
<< 16);
439 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
446 * TODO: I need to block here if I am processing ioctl cmds
447 * but if the outstanding cmds all finish before the ioctl,
448 * the scsi-core will not know to start sending cmds to me again.
449 * I need to a way to restart the scsi-cores queues or should I block
450 * calling scsi_done on the outstanding cmds instead
451 * for now we don't set the IOCTL state
453 if(((pHba
->state
) & DPTI_STATE_IOCTL
) || ((pHba
->state
) & DPTI_STATE_RESET
)) {
454 pHba
->host
->last_reset
= jiffies
;
455 pHba
->host
->resetting
= 1;
459 // TODO if the cmd->device if offline then I may need to issue a bus rescan
460 // followed by a get_lct to see if the device is there anymore
461 if((pDev
= (struct adpt_device
*) (cmd
->device
->hostdata
)) == NULL
) {
463 * First command request for this device. Set up a pointer
464 * to the device structure. This should be a TEST_UNIT_READY
465 * command from scan_scsis_single.
467 if ((pDev
= adpt_find_device(pHba
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
)) == NULL
) {
468 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
469 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
470 cmd
->result
= (DID_NO_CONNECT
<< 16);
474 cmd
->device
->hostdata
= pDev
;
476 pDev
->pScsi_dev
= cmd
->device
;
479 * If we are being called from when the device is being reset,
480 * delay processing of the command until later.
482 if (pDev
->state
& DPTI_DEV_RESET
) {
485 return adpt_scsi_to_i2o(pHba
, cmd
, pDev
);
488 static int adpt_bios_param(struct scsi_device
*sdev
, struct block_device
*dev
,
489 sector_t capacity
, int geom
[])
495 // *** First lets set the default geometry ****
497 // If the capacity is less than ox2000
498 if (capacity
< 0x2000 ) { // floppy
502 // else if between 0x2000 and 0x20000
503 else if (capacity
< 0x20000) {
507 // else if between 0x20000 and 0x40000
508 else if (capacity
< 0x40000) {
512 // else if between 0x4000 and 0x80000
513 else if (capacity
< 0x80000) {
517 // else if greater than 0x80000
522 cylinders
= sector_div(capacity
, heads
* sectors
);
524 // Special case if CDROM
525 if(sdev
->type
== 5) { // CDROM
535 PDEBUG("adpt_bios_param: exit\n");
540 static const char *adpt_info(struct Scsi_Host
*host
)
544 pHba
= (adpt_hba
*) host
->hostdata
[0];
545 return (char *) (pHba
->detail
);
548 static int adpt_proc_info(struct Scsi_Host
*host
, char *buffer
, char **start
, off_t offset
,
549 int length
, int inout
)
551 struct adpt_device
* d
;
563 * The user has done a write and wants us to take the
564 * data in the buffer and do something with it.
565 * proc_scsiwrite calls us with inout = 1
567 * Read data from buffer (writing to us) - NOT SUPPORTED
573 * inout = 0 means the user has done a read and wants information
574 * returned, so we write information about the cards into the buffer
575 * proc_scsiread() calls us with inout = 0
578 // Find HBA (host bus adapter) we are looking for
579 mutex_lock(&adpt_configuration_lock
);
580 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
581 if (pHba
->host
== host
) {
582 break; /* found adapter */
585 mutex_unlock(&adpt_configuration_lock
);
591 len
= sprintf(buffer
, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION
);
592 len
+= sprintf(buffer
+len
, "%s\n", pHba
->detail
);
593 len
+= sprintf(buffer
+len
, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
594 pHba
->host
->host_no
, pHba
->name
, host
->irq
);
595 len
+= sprintf(buffer
+len
, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
596 host
->can_queue
, (int) pHba
->reply_fifo_size
, host
->sg_tablesize
);
601 if(pos
> offset
+ length
) {
606 * If we haven't even written to where we last left
607 * off (the last time we were called), reset the
613 len
+= sprintf(buffer
+len
, "Devices:\n");
614 for(chan
= 0; chan
< MAX_CHANNEL
; chan
++) {
615 for(id
= 0; id
< MAX_ID
; id
++) {
616 d
= pHba
->channel
[chan
].device
[id
];
618 len
+= sprintf(buffer
+len
,"\t%-24.24s", d
->pScsi_dev
->vendor
);
619 len
+= sprintf(buffer
+len
," Rev: %-8.8s\n", d
->pScsi_dev
->rev
);
624 if(pos
> offset
+ length
) {
632 unit
= d
->pI2o_dev
->lct_data
.tid
;
633 len
+= sprintf(buffer
+len
, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
634 unit
, (int)d
->scsi_channel
, (int)d
->scsi_id
, (int)d
->scsi_lun
,
635 scsi_device_online(d
->pScsi_dev
)? "online":"offline");
639 if(pos
> offset
+ length
) {
653 * begin is where we last checked our position with regards to offset
654 * begin is always less than offset. len is relative to begin. It
655 * is the number of bytes written past begin
659 /* stop the output and calculate the correct length */
660 *(buffer
+ len
) = '\0';
662 *start
= buffer
+ (offset
- begin
); /* Start of wanted data */
663 len
-= (offset
- begin
);
674 * Turn a struct scsi_cmnd * into a unique 32 bit 'context'.
676 static u32
adpt_cmd_to_context(struct scsi_cmnd
*cmd
)
678 return (u32
)cmd
->serial_number
;
682 * Go from a u32 'context' to a struct scsi_cmnd * .
683 * This could probably be made more efficient.
685 static struct scsi_cmnd
*
686 adpt_cmd_from_context(adpt_hba
* pHba
, u32 context
)
688 struct scsi_cmnd
* cmd
;
689 struct scsi_device
* d
;
694 spin_unlock(pHba
->host
->host_lock
);
695 shost_for_each_device(d
, pHba
->host
) {
697 spin_lock_irqsave(&d
->list_lock
, flags
);
698 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
699 if (((u32
)cmd
->serial_number
== context
)) {
700 spin_unlock_irqrestore(&d
->list_lock
, flags
);
702 spin_lock(pHba
->host
->host_lock
);
706 spin_unlock_irqrestore(&d
->list_lock
, flags
);
708 spin_lock(pHba
->host
->host_lock
);
714 * Turn a pointer to ioctl reply data into an u32 'context'
716 static u32
adpt_ioctl_to_context(adpt_hba
* pHba
, void *reply
)
718 #if BITS_PER_LONG == 32
719 return (u32
)(unsigned long)reply
;
724 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
725 nr
= ARRAY_SIZE(pHba
->ioctl_reply_context
);
726 for (i
= 0; i
< nr
; i
++) {
727 if (pHba
->ioctl_reply_context
[i
] == NULL
) {
728 pHba
->ioctl_reply_context
[i
] = reply
;
732 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
735 printk(KERN_WARNING
"%s: Too many outstanding "
736 "ioctl commands\n", pHba
->name
);
745 * Go from an u32 'context' to a pointer to ioctl reply data.
747 static void *adpt_ioctl_from_context(adpt_hba
*pHba
, u32 context
)
749 #if BITS_PER_LONG == 32
750 return (void *)(unsigned long)context
;
752 void *p
= pHba
->ioctl_reply_context
[context
];
753 pHba
->ioctl_reply_context
[context
] = NULL
;
759 /*===========================================================================
760 * Error Handling routines
761 *===========================================================================
764 static int adpt_abort(struct scsi_cmnd
* cmd
)
766 adpt_hba
* pHba
= NULL
; /* host bus adapter structure */
767 struct adpt_device
* dptdevice
; /* dpt per device information */
771 if(cmd
->serial_number
== 0){
774 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
775 printk(KERN_INFO
"%s: Trying to Abort cmd=%ld\n",pHba
->name
, cmd
->serial_number
);
776 if ((dptdevice
= (void*) (cmd
->device
->hostdata
)) == NULL
) {
777 printk(KERN_ERR
"%s: Unable to abort: No device in cmnd\n",pHba
->name
);
781 memset(msg
, 0, sizeof(msg
));
782 msg
[0] = FIVE_WORD_MSG_SIZE
|SGL_OFFSET_0
;
783 msg
[1] = I2O_CMD_SCSI_ABORT
<<24|HOST_TID
<<12|dptdevice
->tid
;
786 msg
[4] = adpt_cmd_to_context(cmd
);
788 spin_lock_irq(pHba
->host
->host_lock
);
789 rcode
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), FOREVER
);
791 spin_unlock_irq(pHba
->host
->host_lock
);
793 if(rcode
== -EOPNOTSUPP
){
794 printk(KERN_INFO
"%s: Abort cmd not supported\n",pHba
->name
);
797 printk(KERN_INFO
"%s: Abort cmd=%ld failed.\n",pHba
->name
, cmd
->serial_number
);
800 printk(KERN_INFO
"%s: Abort cmd=%ld complete.\n",pHba
->name
, cmd
->serial_number
);
805 #define I2O_DEVICE_RESET 0x27
806 // This is the same for BLK and SCSI devices
807 // NOTE this is wrong in the i2o.h definitions
808 // This is not currently supported by our adapter but we issue it anyway
809 static int adpt_device_reset(struct scsi_cmnd
* cmd
)
815 struct adpt_device
* d
= cmd
->device
->hostdata
;
817 pHba
= (void*) cmd
->device
->host
->hostdata
[0];
818 printk(KERN_INFO
"%s: Trying to reset device\n",pHba
->name
);
820 printk(KERN_INFO
"%s: Reset Device: Device Not found\n",pHba
->name
);
823 memset(msg
, 0, sizeof(msg
));
824 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
825 msg
[1] = (I2O_DEVICE_RESET
<<24|HOST_TID
<<12|d
->tid
);
830 spin_lock_irq(pHba
->host
->host_lock
);
831 old_state
= d
->state
;
832 d
->state
|= DPTI_DEV_RESET
;
833 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
834 d
->state
= old_state
;
836 spin_unlock_irq(pHba
->host
->host_lock
);
838 if(rcode
== -EOPNOTSUPP
){
839 printk(KERN_INFO
"%s: Device reset not supported\n",pHba
->name
);
842 printk(KERN_INFO
"%s: Device reset failed\n",pHba
->name
);
845 printk(KERN_INFO
"%s: Device reset successful\n",pHba
->name
);
851 #define I2O_HBA_BUS_RESET 0x87
852 // This version of bus reset is called by the eh_error handler
853 static int adpt_bus_reset(struct scsi_cmnd
* cmd
)
859 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
860 memset(msg
, 0, sizeof(msg
));
861 printk(KERN_WARNING
"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba
->name
, cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
862 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
863 msg
[1] = (I2O_HBA_BUS_RESET
<<24|HOST_TID
<<12|pHba
->channel
[cmd
->device
->channel
].tid
);
867 spin_lock_irq(pHba
->host
->host_lock
);
868 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
870 spin_unlock_irq(pHba
->host
->host_lock
);
872 printk(KERN_WARNING
"%s: Bus reset failed.\n",pHba
->name
);
875 printk(KERN_WARNING
"%s: Bus reset success.\n",pHba
->name
);
880 // This version of reset is called by the eh_error_handler
881 static int __adpt_reset(struct scsi_cmnd
* cmd
)
885 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
886 printk(KERN_WARNING
"%s: Hba Reset: scsi id %d: tid: %d\n",pHba
->name
,cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
887 rcode
= adpt_hba_reset(pHba
);
889 printk(KERN_WARNING
"%s: HBA reset complete\n",pHba
->name
);
892 printk(KERN_WARNING
"%s: HBA reset failed (%x)\n",pHba
->name
, rcode
);
897 static int adpt_reset(struct scsi_cmnd
* cmd
)
901 spin_lock_irq(cmd
->device
->host
->host_lock
);
902 rc
= __adpt_reset(cmd
);
903 spin_unlock_irq(cmd
->device
->host
->host_lock
);
908 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
909 static int adpt_hba_reset(adpt_hba
* pHba
)
913 pHba
->state
|= DPTI_STATE_RESET
;
915 // Activate does get status , init outbound, and get hrt
916 if ((rcode
=adpt_i2o_activate_hba(pHba
)) < 0) {
917 printk(KERN_ERR
"%s: Could not activate\n", pHba
->name
);
918 adpt_i2o_delete_hba(pHba
);
922 if ((rcode
=adpt_i2o_build_sys_table()) < 0) {
923 adpt_i2o_delete_hba(pHba
);
926 PDEBUG("%s: in HOLD state\n",pHba
->name
);
928 if ((rcode
=adpt_i2o_online_hba(pHba
)) < 0) {
929 adpt_i2o_delete_hba(pHba
);
932 PDEBUG("%s: in OPERATIONAL state\n",pHba
->name
);
934 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0){
935 adpt_i2o_delete_hba(pHba
);
939 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0){
940 adpt_i2o_delete_hba(pHba
);
943 pHba
->state
&= ~DPTI_STATE_RESET
;
945 adpt_fail_posted_scbs(pHba
);
946 return 0; /* return success */
949 /*===========================================================================
951 *===========================================================================
955 static void adpt_i2o_sys_shutdown(void)
957 adpt_hba
*pHba
, *pNext
;
958 struct adpt_i2o_post_wait_data
*p1
, *old
;
960 printk(KERN_INFO
"Shutting down Adaptec I2O controllers.\n");
961 printk(KERN_INFO
" This could take a few minutes if there are many devices attached\n");
962 /* Delete all IOPs from the controller chain */
963 /* They should have already been released by the
966 for (pHba
= hba_chain
; pHba
; pHba
= pNext
) {
968 adpt_i2o_delete_hba(pHba
);
971 /* Remove any timedout entries from the wait queue. */
972 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
973 /* Nothing should be outstanding at this point so just
976 for(p1
= adpt_post_wait_queue
; p1
;) {
981 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
982 adpt_post_wait_queue
= NULL
;
984 printk(KERN_INFO
"Adaptec I2O controllers down.\n");
987 static int adpt_install_hba(struct scsi_host_template
* sht
, struct pci_dev
* pDev
)
990 adpt_hba
* pHba
= NULL
;
992 ulong base_addr0_phys
= 0;
993 ulong base_addr1_phys
= 0;
994 u32 hba_map0_area_size
= 0;
995 u32 hba_map1_area_size
= 0;
996 void __iomem
*base_addr_virt
= NULL
;
997 void __iomem
*msg_addr_virt
= NULL
;
1000 int raptorFlag
= FALSE
;
1002 if(pci_enable_device(pDev
)) {
1006 if (pci_request_regions(pDev
, "dpt_i2o")) {
1007 PERROR("dpti: adpt_config_hba: pci request region failed\n");
1011 pci_set_master(pDev
);
1014 * See if we should enable dma64 mode.
1016 if (sizeof(dma_addr_t
) > 4 &&
1017 pci_set_dma_mask(pDev
, DMA_64BIT_MASK
) == 0) {
1018 if (dma_get_required_mask(&pDev
->dev
) > DMA_32BIT_MASK
)
1021 if (!dma64
&& pci_set_dma_mask(pDev
, DMA_32BIT_MASK
) != 0)
1024 /* adapter only supports message blocks below 4GB */
1025 pci_set_consistent_dma_mask(pDev
, DMA_32BIT_MASK
);
1027 base_addr0_phys
= pci_resource_start(pDev
,0);
1028 hba_map0_area_size
= pci_resource_len(pDev
,0);
1030 // Check if standard PCI card or single BAR Raptor
1031 if(pDev
->device
== PCI_DPT_DEVICE_ID
){
1032 if(pDev
->subsystem_device
>=0xc032 && pDev
->subsystem_device
<= 0xc03b){
1033 // Raptor card with this device id needs 4M
1034 hba_map0_area_size
= 0x400000;
1035 } else { // Not Raptor - it is a PCI card
1036 if(hba_map0_area_size
> 0x100000 ){
1037 hba_map0_area_size
= 0x100000;
1040 } else {// Raptor split BAR config
1041 // Use BAR1 in this configuration
1042 base_addr1_phys
= pci_resource_start(pDev
,1);
1043 hba_map1_area_size
= pci_resource_len(pDev
,1);
1047 #if BITS_PER_LONG == 64
1049 * The original Adaptec 64 bit driver has this comment here:
1050 * "x86_64 machines need more optimal mappings"
1052 * I assume some HBAs report ridiculously large mappings
1053 * and we need to limit them on platforms with IOMMUs.
1055 if (raptorFlag
== TRUE
) {
1056 if (hba_map0_area_size
> 128)
1057 hba_map0_area_size
= 128;
1058 if (hba_map1_area_size
> 524288)
1059 hba_map1_area_size
= 524288;
1061 if (hba_map0_area_size
> 524288)
1062 hba_map0_area_size
= 524288;
1066 base_addr_virt
= ioremap(base_addr0_phys
,hba_map0_area_size
);
1067 if (!base_addr_virt
) {
1068 pci_release_regions(pDev
);
1069 PERROR("dpti: adpt_config_hba: io remap failed\n");
1073 if(raptorFlag
== TRUE
) {
1074 msg_addr_virt
= ioremap(base_addr1_phys
, hba_map1_area_size
);
1075 if (!msg_addr_virt
) {
1076 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
1077 iounmap(base_addr_virt
);
1078 pci_release_regions(pDev
);
1082 msg_addr_virt
= base_addr_virt
;
1085 // Allocate and zero the data structure
1086 pHba
= kzalloc(sizeof(adpt_hba
), GFP_KERNEL
);
1088 if (msg_addr_virt
!= base_addr_virt
)
1089 iounmap(msg_addr_virt
);
1090 iounmap(base_addr_virt
);
1091 pci_release_regions(pDev
);
1095 mutex_lock(&adpt_configuration_lock
);
1097 if(hba_chain
!= NULL
){
1098 for(p
= hba_chain
; p
->next
; p
= p
->next
);
1104 pHba
->unit
= hba_count
;
1105 sprintf(pHba
->name
, "dpti%d", hba_count
);
1108 mutex_unlock(&adpt_configuration_lock
);
1111 pHba
->base_addr_phys
= base_addr0_phys
;
1113 // Set up the Virtual Base Address of the I2O Device
1114 pHba
->base_addr_virt
= base_addr_virt
;
1115 pHba
->msg_addr_virt
= msg_addr_virt
;
1116 pHba
->irq_mask
= base_addr_virt
+0x30;
1117 pHba
->post_port
= base_addr_virt
+0x40;
1118 pHba
->reply_port
= base_addr_virt
+0x44;
1123 pHba
->status_block
= NULL
;
1124 pHba
->post_count
= 0;
1125 pHba
->state
= DPTI_STATE_RESET
;
1127 pHba
->devices
= NULL
;
1128 pHba
->dma64
= dma64
;
1130 // Initializing the spinlocks
1131 spin_lock_init(&pHba
->state_lock
);
1132 spin_lock_init(&adpt_post_wait_lock
);
1134 if(raptorFlag
== 0){
1135 printk(KERN_INFO
"Adaptec I2O RAID controller"
1136 " %d at %p size=%x irq=%d%s\n",
1137 hba_count
-1, base_addr_virt
,
1138 hba_map0_area_size
, pDev
->irq
,
1139 dma64
? " (64-bit DMA)" : "");
1141 printk(KERN_INFO
"Adaptec I2O RAID controller %d irq=%d%s\n",
1142 hba_count
-1, pDev
->irq
,
1143 dma64
? " (64-bit DMA)" : "");
1144 printk(KERN_INFO
" BAR0 %p - size= %x\n",base_addr_virt
,hba_map0_area_size
);
1145 printk(KERN_INFO
" BAR1 %p - size= %x\n",msg_addr_virt
,hba_map1_area_size
);
1148 if (request_irq (pDev
->irq
, adpt_isr
, IRQF_SHARED
, pHba
->name
, pHba
)) {
1149 printk(KERN_ERR
"%s: Couldn't register IRQ %d\n", pHba
->name
, pDev
->irq
);
1150 adpt_i2o_delete_hba(pHba
);
1158 static void adpt_i2o_delete_hba(adpt_hba
* pHba
)
1162 struct i2o_device
* d
;
1163 struct i2o_device
* next
;
1166 struct adpt_device
* pDev
;
1167 struct adpt_device
* pNext
;
1170 mutex_lock(&adpt_configuration_lock
);
1171 // scsi_unregister calls our adpt_release which
1174 free_irq(pHba
->host
->irq
, pHba
);
1177 for( p1
= hba_chain
; p1
; p2
= p1
,p1
=p1
->next
){
1180 p2
->next
= p1
->next
;
1182 hba_chain
= p1
->next
;
1189 mutex_unlock(&adpt_configuration_lock
);
1191 iounmap(pHba
->base_addr_virt
);
1192 pci_release_regions(pHba
->pDev
);
1193 if(pHba
->msg_addr_virt
!= pHba
->base_addr_virt
){
1194 iounmap(pHba
->msg_addr_virt
);
1196 if(pHba
->FwDebugBuffer_P
)
1197 iounmap(pHba
->FwDebugBuffer_P
);
1199 dma_free_coherent(&pHba
->pDev
->dev
,
1200 pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2,
1201 pHba
->hrt
, pHba
->hrt_pa
);
1204 dma_free_coherent(&pHba
->pDev
->dev
, pHba
->lct_size
,
1205 pHba
->lct
, pHba
->lct_pa
);
1207 if(pHba
->status_block
) {
1208 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(i2o_status_block
),
1209 pHba
->status_block
, pHba
->status_block_pa
);
1211 if(pHba
->reply_pool
) {
1212 dma_free_coherent(&pHba
->pDev
->dev
,
1213 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
1214 pHba
->reply_pool
, pHba
->reply_pool_pa
);
1217 for(d
= pHba
->devices
; d
; d
= next
){
1221 for(i
= 0 ; i
< pHba
->top_scsi_channel
; i
++){
1222 for(j
= 0; j
< MAX_ID
; j
++){
1223 if(pHba
->channel
[i
].device
[j
] != NULL
){
1224 for(pDev
= pHba
->channel
[i
].device
[j
]; pDev
; pDev
= pNext
){
1225 pNext
= pDev
->next_lun
;
1231 pci_dev_put(pHba
->pDev
);
1234 if (adpt_sysfs_class
)
1235 device_destroy(adpt_sysfs_class
,
1236 MKDEV(DPTI_I2O_MAJOR
, pHba
->unit
));
1239 unregister_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
);
1240 if (adpt_sysfs_class
) {
1241 class_destroy(adpt_sysfs_class
);
1242 adpt_sysfs_class
= NULL
;
1247 static struct adpt_device
* adpt_find_device(adpt_hba
* pHba
, u32 chan
, u32 id
, u32 lun
)
1249 struct adpt_device
* d
;
1251 if(chan
< 0 || chan
>= MAX_CHANNEL
)
1254 if( pHba
->channel
[chan
].device
== NULL
){
1255 printk(KERN_DEBUG
"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1259 d
= pHba
->channel
[chan
].device
[id
];
1260 if(!d
|| d
->tid
== 0) {
1264 /* If it is the only lun at that address then this should match*/
1265 if(d
->scsi_lun
== lun
){
1269 /* else we need to look through all the luns */
1270 for(d
=d
->next_lun
; d
; d
= d
->next_lun
){
1271 if(d
->scsi_lun
== lun
){
1279 static int adpt_i2o_post_wait(adpt_hba
* pHba
, u32
* msg
, int len
, int timeout
)
1281 // I used my own version of the WAIT_QUEUE_HEAD
1282 // to handle some version differences
1283 // When embedded in the kernel this could go back to the vanilla one
1284 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post
);
1287 struct adpt_i2o_post_wait_data
*p1
, *p2
;
1288 struct adpt_i2o_post_wait_data
*wait_data
=
1289 kmalloc(sizeof(struct adpt_i2o_post_wait_data
),GFP_KERNEL
);
1290 DECLARE_WAITQUEUE(wait
, current
);
1296 * The spin locking is needed to keep anyone from playing
1297 * with the queue pointers and id while we do the same
1299 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1300 // TODO we need a MORE unique way of getting ids
1301 // to support async LCT get
1302 wait_data
->next
= adpt_post_wait_queue
;
1303 adpt_post_wait_queue
= wait_data
;
1304 adpt_post_wait_id
++;
1305 adpt_post_wait_id
&= 0x7fff;
1306 wait_data
->id
= adpt_post_wait_id
;
1307 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1309 wait_data
->wq
= &adpt_wq_i2o_post
;
1310 wait_data
->status
= -ETIMEDOUT
;
1312 add_wait_queue(&adpt_wq_i2o_post
, &wait
);
1314 msg
[2] |= 0x80000000 | ((u32
)wait_data
->id
);
1316 if((status
= adpt_i2o_post_this(pHba
, msg
, len
)) == 0){
1317 set_current_state(TASK_INTERRUPTIBLE
);
1319 spin_unlock_irq(pHba
->host
->host_lock
);
1323 timeout
= schedule_timeout(timeout
);
1325 // I/O issued, but cannot get result in
1326 // specified time. Freeing resorces is
1332 spin_lock_irq(pHba
->host
->host_lock
);
1334 remove_wait_queue(&adpt_wq_i2o_post
, &wait
);
1336 if(status
== -ETIMEDOUT
){
1337 printk(KERN_INFO
"dpti%d: POST WAIT TIMEOUT\n",pHba
->unit
);
1338 // We will have to free the wait_data memory during shutdown
1342 /* Remove the entry from the queue. */
1344 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1345 for(p1
= adpt_post_wait_queue
; p1
; p2
= p1
, p1
= p1
->next
) {
1346 if(p1
== wait_data
) {
1347 if(p1
->status
== I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION
) {
1348 status
= -EOPNOTSUPP
;
1351 p2
->next
= p1
->next
;
1353 adpt_post_wait_queue
= p1
->next
;
1358 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1366 static s32
adpt_i2o_post_this(adpt_hba
* pHba
, u32
* data
, int len
)
1369 u32 m
= EMPTY_QUEUE
;
1371 ulong timeout
= jiffies
+ 30*HZ
;
1374 m
= readl(pHba
->post_port
);
1375 if (m
!= EMPTY_QUEUE
) {
1378 if(time_after(jiffies
,timeout
)){
1379 printk(KERN_WARNING
"dpti%d: Timeout waiting for message frame!\n", pHba
->unit
);
1382 schedule_timeout_uninterruptible(1);
1383 } while(m
== EMPTY_QUEUE
);
1385 msg
= pHba
->msg_addr_virt
+ m
;
1386 memcpy_toio(msg
, data
, len
);
1390 writel(m
, pHba
->post_port
);
1397 static void adpt_i2o_post_wait_complete(u32 context
, int status
)
1399 struct adpt_i2o_post_wait_data
*p1
= NULL
;
1401 * We need to search through the adpt_post_wait
1402 * queue to see if the given message is still
1403 * outstanding. If not, it means that the IOP
1404 * took longer to respond to the message than we
1405 * had allowed and timer has already expired.
1406 * Not much we can do about that except log
1407 * it for debug purposes, increase timeout, and recompile
1409 * Lock needed to keep anyone from moving queue pointers
1410 * around while we're looking through them.
1415 spin_lock(&adpt_post_wait_lock
);
1416 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1417 if(p1
->id
== context
) {
1418 p1
->status
= status
;
1419 spin_unlock(&adpt_post_wait_lock
);
1420 wake_up_interruptible(p1
->wq
);
1424 spin_unlock(&adpt_post_wait_lock
);
1425 // If this happens we lose commands that probably really completed
1426 printk(KERN_DEBUG
"dpti: Could Not find task %d in wait queue\n",context
);
1427 printk(KERN_DEBUG
" Tasks in wait queue:\n");
1428 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1429 printk(KERN_DEBUG
" %d\n",p1
->id
);
1434 static s32
adpt_i2o_reset_hba(adpt_hba
* pHba
)
1439 u32 m
= EMPTY_QUEUE
;
1440 ulong timeout
= jiffies
+ (TMOUT_IOPRESET
*HZ
);
1442 if(pHba
->initialized
== FALSE
) { // First time reset should be quick
1443 timeout
= jiffies
+ (25*HZ
);
1445 adpt_i2o_quiesce_hba(pHba
);
1450 m
= readl(pHba
->post_port
);
1451 if (m
!= EMPTY_QUEUE
) {
1454 if(time_after(jiffies
,timeout
)){
1455 printk(KERN_WARNING
"Timeout waiting for message!\n");
1458 schedule_timeout_uninterruptible(1);
1459 } while (m
== EMPTY_QUEUE
);
1461 status
= dma_alloc_coherent(&pHba
->pDev
->dev
, 4, &addr
, GFP_KERNEL
);
1462 if(status
== NULL
) {
1463 adpt_send_nop(pHba
, m
);
1464 printk(KERN_ERR
"IOP reset failed - no free memory.\n");
1469 msg
[0]=EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_0
;
1470 msg
[1]=I2O_CMD_ADAPTER_RESET
<<24|HOST_TID
<<12|ADAPTER_TID
;
1475 msg
[6]=dma_low(addr
);
1476 msg
[7]=dma_high(addr
);
1478 memcpy_toio(pHba
->msg_addr_virt
+m
, msg
, sizeof(msg
));
1480 writel(m
, pHba
->post_port
);
1483 while(*status
== 0){
1484 if(time_after(jiffies
,timeout
)){
1485 printk(KERN_WARNING
"%s: IOP Reset Timeout\n",pHba
->name
);
1486 /* We lose 4 bytes of "status" here, but we cannot
1487 free these because controller may awake and corrupt
1488 those bytes at any time */
1489 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1493 schedule_timeout_uninterruptible(1);
1496 if(*status
== 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1497 PDEBUG("%s: Reset in progress...\n", pHba
->name
);
1498 // Here we wait for message frame to become available
1499 // indicated that reset has finished
1502 m
= readl(pHba
->post_port
);
1503 if (m
!= EMPTY_QUEUE
) {
1506 if(time_after(jiffies
,timeout
)){
1507 printk(KERN_ERR
"%s:Timeout waiting for IOP Reset.\n",pHba
->name
);
1508 /* We lose 4 bytes of "status" here, but we
1509 cannot free these because controller may
1510 awake and corrupt those bytes at any time */
1511 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1514 schedule_timeout_uninterruptible(1);
1515 } while (m
== EMPTY_QUEUE
);
1517 adpt_send_nop(pHba
, m
);
1519 adpt_i2o_status_get(pHba
);
1520 if(*status
== 0x02 ||
1521 pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
1522 printk(KERN_WARNING
"%s: Reset reject, trying to clear\n",
1525 PDEBUG("%s: Reset completed.\n", pHba
->name
);
1528 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
1530 // This delay is to allow someone attached to the card through the debug UART to
1531 // set up the dump levels that they want before the rest of the initialization sequence
1538 static int adpt_i2o_parse_lct(adpt_hba
* pHba
)
1543 struct i2o_device
*d
;
1544 i2o_lct
*lct
= pHba
->lct
;
1548 u32 buf
[10]; // larger than 7, or 8 ...
1549 struct adpt_device
* pDev
;
1552 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
1556 max
= lct
->table_size
;
1560 for(i
=0;i
<max
;i
++) {
1561 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
1563 * If we have hidden devices, we need to inform the upper layers about
1564 * the possible maximum id reference to handle device access when
1565 * an array is disassembled. This code has no other purpose but to
1566 * allow us future access to devices that are currently hidden
1567 * behind arrays, hotspares or have not been configured (JBOD mode).
1569 if( lct
->lct_entry
[i
].class_id
!= I2O_CLASS_RANDOM_BLOCK_STORAGE
&&
1570 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_SCSI_PERIPHERAL
&&
1571 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1574 tid
= lct
->lct_entry
[i
].tid
;
1575 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1576 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
1579 bus_no
= buf
[0]>>16;
1581 scsi_lun
= (buf
[2]>>8 )&0xff;
1582 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1583 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
1586 if (scsi_id
>= MAX_ID
){
1587 printk(KERN_WARNING
"%s: SCSI ID %d out of range \n", pHba
->name
, bus_no
);
1590 if(bus_no
> pHba
->top_scsi_channel
){
1591 pHba
->top_scsi_channel
= bus_no
;
1593 if(scsi_id
> pHba
->top_scsi_id
){
1594 pHba
->top_scsi_id
= scsi_id
;
1596 if(scsi_lun
> pHba
->top_scsi_lun
){
1597 pHba
->top_scsi_lun
= scsi_lun
;
1601 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
1604 printk(KERN_CRIT
"%s: Out of memory for I2O device data.\n",pHba
->name
);
1608 d
->controller
= pHba
;
1611 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
1614 tid
= d
->lct_data
.tid
;
1615 adpt_i2o_report_hba_unit(pHba
, d
);
1616 adpt_i2o_install_device(pHba
, d
);
1619 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1620 if(d
->lct_data
.class_id
== I2O_CLASS_BUS_ADAPTER_PORT
||
1621 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PORT
){
1622 tid
= d
->lct_data
.tid
;
1623 // TODO get the bus_no from hrt-but for now they are in order
1625 if(bus_no
> pHba
->top_scsi_channel
){
1626 pHba
->top_scsi_channel
= bus_no
;
1628 pHba
->channel
[bus_no
].type
= d
->lct_data
.class_id
;
1629 pHba
->channel
[bus_no
].tid
= tid
;
1630 if(adpt_i2o_query_scalar(pHba
, tid
, 0x0200, -1, buf
, 28)>=0)
1632 pHba
->channel
[bus_no
].scsi_id
= buf
[1];
1633 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no
, buf
[1]);
1635 // TODO remove - this is just until we get from hrt
1637 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1638 printk(KERN_WARNING
"%s: Channel number %d out of range - LCT\n", pHba
->name
, bus_no
);
1644 // Setup adpt_device table
1645 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1646 if(d
->lct_data
.class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
1647 d
->lct_data
.class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
1648 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1650 tid
= d
->lct_data
.tid
;
1652 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1653 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)>=0) {
1654 bus_no
= buf
[0]>>16;
1656 scsi_lun
= (buf
[2]>>8 )&0xff;
1657 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1660 if (scsi_id
>= MAX_ID
) {
1663 if( pHba
->channel
[bus_no
].device
[scsi_id
] == NULL
){
1664 pDev
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1668 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
1670 for( pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
1671 pDev
->next_lun
; pDev
= pDev
->next_lun
){
1673 pDev
->next_lun
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1674 if(pDev
->next_lun
== NULL
) {
1677 pDev
= pDev
->next_lun
;
1680 pDev
->scsi_channel
= bus_no
;
1681 pDev
->scsi_id
= scsi_id
;
1682 pDev
->scsi_lun
= scsi_lun
;
1685 pDev
->type
= (buf
[0])&0xff;
1686 pDev
->flags
= (buf
[0]>>8)&0xff;
1687 if(scsi_id
> pHba
->top_scsi_id
){
1688 pHba
->top_scsi_id
= scsi_id
;
1690 if(scsi_lun
> pHba
->top_scsi_lun
){
1691 pHba
->top_scsi_lun
= scsi_lun
;
1695 printk(KERN_WARNING
"Could not find SCSI ID for %s\n",
1696 d
->lct_data
.identity_tag
);
1705 * Each I2O controller has a chain of devices on it - these match
1706 * the useful parts of the LCT of the board.
1709 static int adpt_i2o_install_device(adpt_hba
* pHba
, struct i2o_device
*d
)
1711 mutex_lock(&adpt_configuration_lock
);
1714 d
->next
=pHba
->devices
;
1716 if (pHba
->devices
!= NULL
){
1717 pHba
->devices
->prev
=d
;
1722 mutex_unlock(&adpt_configuration_lock
);
1726 static int adpt_open(struct inode
*inode
, struct file
*file
)
1732 //TODO check for root access
1734 minor
= iminor(inode
);
1735 if (minor
>= hba_count
) {
1739 mutex_lock(&adpt_configuration_lock
);
1740 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1741 if (pHba
->unit
== minor
) {
1742 break; /* found adapter */
1746 mutex_unlock(&adpt_configuration_lock
);
1751 // if(pHba->in_use){
1752 // mutex_unlock(&adpt_configuration_lock);
1757 mutex_unlock(&adpt_configuration_lock
);
1763 static int adpt_close(struct inode
*inode
, struct file
*file
)
1768 minor
= iminor(inode
);
1769 if (minor
>= hba_count
) {
1772 mutex_lock(&adpt_configuration_lock
);
1773 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1774 if (pHba
->unit
== minor
) {
1775 break; /* found adapter */
1778 mutex_unlock(&adpt_configuration_lock
);
1789 static int adpt_i2o_passthru(adpt_hba
* pHba
, u32 __user
*arg
)
1791 u32 msg
[MAX_MESSAGE_SIZE
];
1795 u32 __user
*user_msg
= arg
;
1796 u32 __user
* user_reply
= NULL
;
1797 void *sg_list
[pHba
->sg_tablesize
];
1807 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1808 // get user msg size in u32s
1809 if(get_user(size
, &user_msg
[0])){
1814 user_reply
= &user_msg
[size
];
1815 if(size
> MAX_MESSAGE_SIZE
){
1818 size
*= 4; // Convert to bytes
1820 /* Copy in the user's I2O command */
1821 if(copy_from_user(msg
, user_msg
, size
)) {
1824 get_user(reply_size
, &user_reply
[0]);
1825 reply_size
= reply_size
>>16;
1826 if(reply_size
> REPLY_FRAME_SIZE
){
1827 reply_size
= REPLY_FRAME_SIZE
;
1830 reply
= kzalloc(REPLY_FRAME_SIZE
*4, GFP_KERNEL
);
1832 printk(KERN_WARNING
"%s: Could not allocate reply buffer\n",pHba
->name
);
1835 sg_offset
= (msg
[0]>>4)&0xf;
1836 msg
[2] = 0x40000000; // IOCTL context
1837 msg
[3] = adpt_ioctl_to_context(pHba
, reply
);
1838 if (msg
[3] == (u32
)-1)
1841 memset(sg_list
,0, sizeof(sg_list
[0])*pHba
->sg_tablesize
);
1843 // TODO add 64 bit API
1844 struct sg_simple_element
*sg
= (struct sg_simple_element
*) (msg
+sg_offset
);
1845 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1846 if (sg_count
> pHba
->sg_tablesize
){
1847 printk(KERN_DEBUG
"%s:IOCTL SG List too large (%u)\n", pHba
->name
,sg_count
);
1852 for(i
= 0; i
< sg_count
; i
++) {
1855 if (!(sg
[i
].flag_count
& 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1856 printk(KERN_DEBUG
"%s:Bad SG element %d - not simple (%x)\n",pHba
->name
,i
, sg
[i
].flag_count
);
1860 sg_size
= sg
[i
].flag_count
& 0xffffff;
1861 /* Allocate memory for the transfer */
1862 p
= dma_alloc_coherent(&pHba
->pDev
->dev
, sg_size
, &addr
, GFP_KERNEL
);
1864 printk(KERN_DEBUG
"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1865 pHba
->name
,sg_size
,i
,sg_count
);
1869 sg_list
[sg_index
++] = p
; // sglist indexed with input frame, not our internal frame.
1870 /* Copy in the user's SG buffer if necessary */
1871 if(sg
[i
].flag_count
& 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1872 // sg_simple_element API is 32 bit
1873 if (copy_from_user(p
,(void __user
*)(ulong
)sg
[i
].addr_bus
, sg_size
)) {
1874 printk(KERN_DEBUG
"%s: Could not copy SG buf %d FROM user\n",pHba
->name
,i
);
1879 /* sg_simple_element API is 32 bit, but addr < 4GB */
1880 sg
[i
].addr_bus
= addr
;
1886 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1887 // This state stops any new commands from enterring the
1888 // controller while processing the ioctl
1889 // pHba->state |= DPTI_STATE_IOCTL;
1890 // We can't set this now - The scsi subsystem sets host_blocked and
1891 // the queue empties and stops. We need a way to restart the queue
1892 rcode
= adpt_i2o_post_wait(pHba
, msg
, size
, FOREVER
);
1894 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1896 // pHba->state &= ~DPTI_STATE_IOCTL;
1898 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
1899 } while(rcode
== -ETIMEDOUT
);
1906 /* Copy back the Scatter Gather buffers back to user space */
1908 // TODO add 64 bit API
1909 struct sg_simple_element
* sg
;
1912 // re-acquire the original message to handle correctly the sg copy operation
1913 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1914 // get user msg size in u32s
1915 if(get_user(size
, &user_msg
[0])){
1921 /* Copy in the user's I2O command */
1922 if (copy_from_user (msg
, user_msg
, size
)) {
1926 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1928 // TODO add 64 bit API
1929 sg
= (struct sg_simple_element
*)(msg
+ sg_offset
);
1930 for (j
= 0; j
< sg_count
; j
++) {
1931 /* Copy out the SG list to user's buffer if necessary */
1932 if(! (sg
[j
].flag_count
& 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1933 sg_size
= sg
[j
].flag_count
& 0xffffff;
1934 // sg_simple_element API is 32 bit
1935 if (copy_to_user((void __user
*)(ulong
)sg
[j
].addr_bus
,sg_list
[j
], sg_size
)) {
1936 printk(KERN_WARNING
"%s: Could not copy %p TO user %x\n",pHba
->name
, sg_list
[j
], sg
[j
].addr_bus
);
1944 /* Copy back the reply to user space */
1946 // we wrote our own values for context - now restore the user supplied ones
1947 if(copy_from_user(reply
+2, user_msg
+2, sizeof(u32
)*2)) {
1948 printk(KERN_WARNING
"%s: Could not copy message context FROM user\n",pHba
->name
);
1951 if(copy_to_user(user_reply
, reply
, reply_size
)) {
1952 printk(KERN_WARNING
"%s: Could not copy reply TO user\n",pHba
->name
);
1959 if (rcode
!= -ETIME
&& rcode
!= -EINTR
) {
1960 struct sg_simple_element
*sg
=
1961 (struct sg_simple_element
*) (msg
+sg_offset
);
1964 if(sg_list
[--sg_index
]) {
1965 dma_free_coherent(&pHba
->pDev
->dev
,
1966 sg
[sg_index
].flag_count
& 0xffffff,
1968 sg
[sg_index
].addr_bus
);
1975 #if defined __ia64__
1976 static void adpt_ia64_info(sysInfo_S
* si
)
1978 // This is all the info we need for now
1979 // We will add more info as our new
1980 // managmenent utility requires it
1981 si
->processorType
= PROC_IA64
;
1985 #if defined __sparc__
1986 static void adpt_sparc_info(sysInfo_S
* si
)
1988 // This is all the info we need for now
1989 // We will add more info as our new
1990 // managmenent utility requires it
1991 si
->processorType
= PROC_ULTRASPARC
;
1994 #if defined __alpha__
1995 static void adpt_alpha_info(sysInfo_S
* si
)
1997 // This is all the info we need for now
1998 // We will add more info as our new
1999 // managmenent utility requires it
2000 si
->processorType
= PROC_ALPHA
;
2004 #if defined __i386__
2005 static void adpt_i386_info(sysInfo_S
* si
)
2007 // This is all the info we need for now
2008 // We will add more info as our new
2009 // managmenent utility requires it
2010 switch (boot_cpu_data
.x86
) {
2012 si
->processorType
= PROC_386
;
2015 si
->processorType
= PROC_486
;
2018 si
->processorType
= PROC_PENTIUM
;
2020 default: // Just in case
2021 si
->processorType
= PROC_PENTIUM
;
2028 * This routine returns information about the system. This does not effect
2029 * any logic and if the info is wrong - it doesn't matter.
2032 /* Get all the info we can not get from kernel services */
2033 static int adpt_system_info(void __user
*buffer
)
2037 memset(&si
, 0, sizeof(si
));
2039 si
.osType
= OS_LINUX
;
2040 si
.osMajorVersion
= 0;
2041 si
.osMinorVersion
= 0;
2043 si
.busType
= SI_PCI_BUS
;
2044 si
.processorFamily
= DPTI_sig
.dsProcessorFamily
;
2046 #if defined __i386__
2047 adpt_i386_info(&si
);
2048 #elif defined (__ia64__)
2049 adpt_ia64_info(&si
);
2050 #elif defined(__sparc__)
2051 adpt_sparc_info(&si
);
2052 #elif defined (__alpha__)
2053 adpt_alpha_info(&si
);
2055 si
.processorType
= 0xff ;
2057 if (copy_to_user(buffer
, &si
, sizeof(si
))){
2058 printk(KERN_WARNING
"dpti: Could not copy buffer TO user\n");
2065 static int adpt_ioctl(struct inode
*inode
, struct file
*file
, uint cmd
,
2072 void __user
*argp
= (void __user
*)arg
;
2074 minor
= iminor(inode
);
2075 if (minor
>= DPTI_MAX_HBA
){
2078 mutex_lock(&adpt_configuration_lock
);
2079 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
2080 if (pHba
->unit
== minor
) {
2081 break; /* found adapter */
2084 mutex_unlock(&adpt_configuration_lock
);
2089 while((volatile u32
) pHba
->state
& DPTI_STATE_RESET
)
2090 schedule_timeout_uninterruptible(2);
2093 // TODO: handle 3 cases
2095 if (copy_to_user(argp
, &DPTI_sig
, sizeof(DPTI_sig
))) {
2100 return adpt_i2o_passthru(pHba
, argp
);
2103 drvrHBAinfo_S HbaInfo
;
2105 #define FLG_OSD_PCI_VALID 0x0001
2106 #define FLG_OSD_DMA 0x0002
2107 #define FLG_OSD_I2O 0x0004
2108 memset(&HbaInfo
, 0, sizeof(HbaInfo
));
2109 HbaInfo
.drvrHBAnum
= pHba
->unit
;
2110 HbaInfo
.baseAddr
= (ulong
) pHba
->base_addr_phys
;
2111 HbaInfo
.blinkState
= adpt_read_blink_led(pHba
);
2112 HbaInfo
.pciBusNum
= pHba
->pDev
->bus
->number
;
2113 HbaInfo
.pciDeviceNum
=PCI_SLOT(pHba
->pDev
->devfn
);
2114 HbaInfo
.Interrupt
= pHba
->pDev
->irq
;
2115 HbaInfo
.hbaFlags
= FLG_OSD_PCI_VALID
| FLG_OSD_DMA
| FLG_OSD_I2O
;
2116 if(copy_to_user(argp
, &HbaInfo
, sizeof(HbaInfo
))){
2117 printk(KERN_WARNING
"%s: Could not copy HbaInfo TO user\n",pHba
->name
);
2123 return adpt_system_info(argp
);
2126 value
= (u32
)adpt_read_blink_led(pHba
);
2127 if (copy_to_user(argp
, &value
, sizeof(value
))) {
2134 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2135 adpt_hba_reset(pHba
);
2137 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2149 #ifdef CONFIG_COMPAT
2150 static long compat_adpt_ioctl(struct file
*file
,
2151 unsigned int cmd
, unsigned long arg
)
2153 struct inode
*inode
;
2156 inode
= file
->f_dentry
->d_inode
;
2168 case (DPT_TARGET_BUSY
& 0xFFFF):
2169 case DPT_TARGET_BUSY
:
2170 ret
= adpt_ioctl(inode
, file
, cmd
, arg
);
2182 static irqreturn_t
adpt_isr(int irq
, void *dev_id
)
2184 struct scsi_cmnd
* cmd
;
2185 adpt_hba
* pHba
= dev_id
;
2187 void __iomem
*reply
;
2194 printk(KERN_WARNING
"adpt_isr: NULL dev_id\n");
2198 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2200 while( readl(pHba
->irq_mask
) & I2O_INTERRUPT_PENDING_B
) {
2201 m
= readl(pHba
->reply_port
);
2202 if(m
== EMPTY_QUEUE
){
2203 // Try twice then give up
2205 m
= readl(pHba
->reply_port
);
2206 if(m
== EMPTY_QUEUE
){
2207 // This really should not happen
2208 printk(KERN_ERR
"dpti: Could not get reply frame\n");
2212 if (pHba
->reply_pool_pa
<= m
&&
2213 m
< pHba
->reply_pool_pa
+
2214 (pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4)) {
2215 reply
= (u8
*)pHba
->reply_pool
+
2216 (m
- pHba
->reply_pool_pa
);
2218 /* Ick, we should *never* be here */
2219 printk(KERN_ERR
"dpti: reply frame not from pool\n");
2220 reply
= (u8
*)bus_to_virt(m
);
2223 if (readl(reply
) & MSG_FAIL
) {
2224 u32 old_m
= readl(reply
+28);
2227 PDEBUG("%s: Failed message\n",pHba
->name
);
2228 if(old_m
>= 0x100000){
2229 printk(KERN_ERR
"%s: Bad preserved MFA (%x)- dropping frame\n",pHba
->name
,old_m
);
2230 writel(m
,pHba
->reply_port
);
2233 // Transaction context is 0 in failed reply frame
2234 msg
= pHba
->msg_addr_virt
+ old_m
;
2235 old_context
= readl(msg
+12);
2236 writel(old_context
, reply
+12);
2237 adpt_send_nop(pHba
, old_m
);
2239 context
= readl(reply
+8);
2240 if(context
& 0x40000000){ // IOCTL
2241 void *p
= adpt_ioctl_from_context(pHba
, readl(reply
+12));
2243 memcpy_fromio(p
, reply
, REPLY_FRAME_SIZE
* 4);
2245 // All IOCTLs will also be post wait
2247 if(context
& 0x80000000){ // Post wait message
2248 status
= readl(reply
+16);
2250 status
&= 0xffff; /* Get detail status */
2252 status
= I2O_POST_WAIT_OK
;
2254 if(!(context
& 0x40000000)) {
2255 cmd
= adpt_cmd_from_context(pHba
,
2258 printk(KERN_WARNING
"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba
->name
, cmd
, context
);
2261 adpt_i2o_post_wait_complete(context
, status
);
2262 } else { // SCSI message
2263 cmd
= adpt_cmd_from_context (pHba
, readl(reply
+12));
2265 scsi_dma_unmap(cmd
);
2266 if(cmd
->serial_number
!= 0) { // If not timedout
2267 adpt_i2o_to_scsi(reply
, cmd
);
2271 writel(m
, pHba
->reply_port
);
2277 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2278 return IRQ_RETVAL(handled
);
2281 static s32
adpt_scsi_to_i2o(adpt_hba
* pHba
, struct scsi_cmnd
* cmd
, struct adpt_device
* d
)
2284 u32 msg
[MAX_MESSAGE_SIZE
];
2296 memset(msg
, 0 , sizeof(msg
));
2297 len
= scsi_bufflen(cmd
);
2298 direction
= 0x00000000;
2300 scsidir
= 0x00000000; // DATA NO XFER
2303 * Set SCBFlags to indicate if data is being transferred
2304 * in or out, or no data transfer
2305 * Note: Do not have to verify index is less than 0 since
2306 * cmd->cmnd[0] is an unsigned char
2308 switch(cmd
->sc_data_direction
){
2309 case DMA_FROM_DEVICE
:
2310 scsidir
=0x40000000; // DATA IN (iop<--dev)
2313 direction
=0x04000000; // SGL OUT
2314 scsidir
=0x80000000; // DATA OUT (iop-->dev)
2318 case DMA_BIDIRECTIONAL
:
2319 scsidir
=0x40000000; // DATA IN (iop<--dev)
2320 // Assume In - and continue;
2323 printk(KERN_WARNING
"%s: scsi opcode 0x%x not supported.\n",
2324 pHba
->name
, cmd
->cmnd
[0]);
2325 cmd
->result
= (DID_OK
<<16) | (INITIATOR_ERROR
<< 8);
2326 cmd
->scsi_done(cmd
);
2330 // msg[0] is set later
2331 // I2O_CMD_SCSI_EXEC
2332 msg
[1] = ((0xff<<24)|(HOST_TID
<<12)|d
->tid
);
2334 msg
[3] = adpt_cmd_to_context(cmd
); /* Want SCSI control block back */
2335 // Our cards use the transaction context as the tag for queueing
2336 // Adaptec/DPT Private stuff
2337 msg
[4] = I2O_CMD_SCSI_EXEC
|(DPT_ORGANIZATION_ID
<<16);
2339 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2340 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2341 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2342 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2343 msg
[6] = scsidir
|0x20a00000|cmd
->cmd_len
;
2347 // Write SCSI command into the message - always 16 byte block
2348 memset(mptr
, 0, 16);
2349 memcpy(mptr
, cmd
->cmnd
, cmd
->cmd_len
);
2351 lenptr
=mptr
++; /* Remember me - fill in when we know */
2352 if (dpt_dma64(pHba
)) {
2353 reqlen
= 16; // SINGLE SGE
2354 *mptr
++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
2355 *mptr
++ = 1 << PAGE_SHIFT
;
2357 reqlen
= 14; // SINGLE SGE
2359 /* Now fill in the SGList and command */
2361 nseg
= scsi_dma_map(cmd
);
2364 struct scatterlist
*sg
;
2367 scsi_for_each_sg(cmd
, sg
, nseg
, i
) {
2369 *mptr
++ = direction
|0x10000000|sg_dma_len(sg
);
2370 len
+=sg_dma_len(sg
);
2371 addr
= sg_dma_address(sg
);
2372 *mptr
++ = dma_low(addr
);
2373 if (dpt_dma64(pHba
))
2374 *mptr
++ = dma_high(addr
);
2375 /* Make this an end of list */
2377 *lptr
= direction
|0xD0000000|sg_dma_len(sg
);
2379 reqlen
= mptr
- msg
;
2382 if(cmd
->underflow
&& len
!= cmd
->underflow
){
2383 printk(KERN_WARNING
"Cmd len %08X Cmd underflow %08X\n",
2384 len
, cmd
->underflow
);
2391 /* Stick the headers on */
2392 msg
[0] = reqlen
<<16 | ((reqlen
> 12) ? SGL_OFFSET_12
: SGL_OFFSET_0
);
2394 // Send it on it's way
2395 rcode
= adpt_i2o_post_this(pHba
, msg
, reqlen
<<2);
2403 static s32
adpt_scsi_host_alloc(adpt_hba
* pHba
, struct scsi_host_template
*sht
)
2405 struct Scsi_Host
*host
;
2407 host
= scsi_host_alloc(sht
, sizeof(adpt_hba
*));
2409 printk("%s: scsi_host_alloc returned NULL\n", pHba
->name
);
2412 host
->hostdata
[0] = (unsigned long)pHba
;
2415 host
->irq
= pHba
->pDev
->irq
;
2416 /* no IO ports, so don't have to set host->io_port and
2420 host
->n_io_port
= 0;
2421 /* see comments in scsi_host.h */
2423 host
->max_lun
= 256;
2424 host
->max_channel
= pHba
->top_scsi_channel
+ 1;
2425 host
->cmd_per_lun
= 1;
2426 host
->unique_id
= (u32
)sys_tbl_pa
+ pHba
->unit
;
2427 host
->sg_tablesize
= pHba
->sg_tablesize
;
2428 host
->can_queue
= pHba
->post_fifo_size
;
2434 static s32
adpt_i2o_to_scsi(void __iomem
*reply
, struct scsi_cmnd
* cmd
)
2439 u32 reply_flags
= readl(reply
) & 0xff00; // Leave it shifted up 8 bits
2440 // I know this would look cleaner if I just read bytes
2441 // but the model I have been using for all the rest of the
2442 // io is in 4 byte words - so I keep that model
2443 u16 detailed_status
= readl(reply
+16) &0xffff;
2444 dev_status
= (detailed_status
& 0xff);
2445 hba_status
= detailed_status
>> 8;
2447 // calculate resid for sg
2448 scsi_set_resid(cmd
, scsi_bufflen(cmd
) - readl(reply
+5));
2450 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
2452 cmd
->sense_buffer
[0] = '\0'; // initialize sense valid flag to false
2454 if(!(reply_flags
& MSG_FAIL
)) {
2455 switch(detailed_status
& I2O_SCSI_DSC_MASK
) {
2456 case I2O_SCSI_DSC_SUCCESS
:
2457 cmd
->result
= (DID_OK
<< 16);
2459 if(readl(reply
+5) < cmd
->underflow
) {
2460 cmd
->result
= (DID_ERROR
<<16);
2461 printk(KERN_WARNING
"%s: SCSI CMD underflow\n",pHba
->name
);
2464 case I2O_SCSI_DSC_REQUEST_ABORTED
:
2465 cmd
->result
= (DID_ABORT
<< 16);
2467 case I2O_SCSI_DSC_PATH_INVALID
:
2468 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT
:
2469 case I2O_SCSI_DSC_SELECTION_TIMEOUT
:
2470 case I2O_SCSI_DSC_COMMAND_TIMEOUT
:
2471 case I2O_SCSI_DSC_NO_ADAPTER
:
2472 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE
:
2473 printk(KERN_WARNING
"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2474 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
, hba_status
, dev_status
, cmd
->cmnd
[0]);
2475 cmd
->result
= (DID_TIME_OUT
<< 16);
2477 case I2O_SCSI_DSC_ADAPTER_BUSY
:
2478 case I2O_SCSI_DSC_BUS_BUSY
:
2479 cmd
->result
= (DID_BUS_BUSY
<< 16);
2481 case I2O_SCSI_DSC_SCSI_BUS_RESET
:
2482 case I2O_SCSI_DSC_BDR_MESSAGE_SENT
:
2483 cmd
->result
= (DID_RESET
<< 16);
2485 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE
:
2486 printk(KERN_WARNING
"%s: SCSI CMD parity error\n",pHba
->name
);
2487 cmd
->result
= (DID_PARITY
<< 16);
2489 case I2O_SCSI_DSC_UNABLE_TO_ABORT
:
2490 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR
:
2491 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE
:
2492 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED
:
2493 case I2O_SCSI_DSC_AUTOSENSE_FAILED
:
2494 case I2O_SCSI_DSC_DATA_OVERRUN
:
2495 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE
:
2496 case I2O_SCSI_DSC_SEQUENCE_FAILURE
:
2497 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR
:
2498 case I2O_SCSI_DSC_PROVIDE_FAILURE
:
2499 case I2O_SCSI_DSC_REQUEST_TERMINATED
:
2500 case I2O_SCSI_DSC_IDE_MESSAGE_SENT
:
2501 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT
:
2502 case I2O_SCSI_DSC_MESSAGE_RECEIVED
:
2503 case I2O_SCSI_DSC_INVALID_CDB
:
2504 case I2O_SCSI_DSC_LUN_INVALID
:
2505 case I2O_SCSI_DSC_SCSI_TID_INVALID
:
2506 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE
:
2507 case I2O_SCSI_DSC_NO_NEXUS
:
2508 case I2O_SCSI_DSC_CDB_RECEIVED
:
2509 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED
:
2510 case I2O_SCSI_DSC_QUEUE_FROZEN
:
2511 case I2O_SCSI_DSC_REQUEST_INVALID
:
2513 printk(KERN_WARNING
"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2514 pHba
->name
, detailed_status
& I2O_SCSI_DSC_MASK
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2515 hba_status
, dev_status
, cmd
->cmnd
[0]);
2516 cmd
->result
= (DID_ERROR
<< 16);
2520 // copy over the request sense data if it was a check
2522 if (dev_status
== SAM_STAT_CHECK_CONDITION
) {
2523 u32 len
= min(SCSI_SENSE_BUFFERSIZE
, 40);
2524 // Copy over the sense data
2525 memcpy_fromio(cmd
->sense_buffer
, (reply
+28) , len
);
2526 if(cmd
->sense_buffer
[0] == 0x70 /* class 7 */ &&
2527 cmd
->sense_buffer
[2] == DATA_PROTECT
){
2528 /* This is to handle an array failed */
2529 cmd
->result
= (DID_TIME_OUT
<< 16);
2530 printk(KERN_WARNING
"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2531 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2532 hba_status
, dev_status
, cmd
->cmnd
[0]);
2537 /* In this condtion we could not talk to the tid
2538 * the card rejected it. We should signal a retry
2539 * for a limitted number of retries.
2541 cmd
->result
= (DID_TIME_OUT
<< 16);
2542 printk(KERN_WARNING
"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n",
2543 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2544 ((struct adpt_device
*)(cmd
->device
->hostdata
))->tid
, cmd
->cmnd
[0]);
2547 cmd
->result
|= (dev_status
);
2549 if(cmd
->scsi_done
!= NULL
){
2550 cmd
->scsi_done(cmd
);
2556 static s32
adpt_rescan(adpt_hba
* pHba
)
2562 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2563 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0)
2565 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0)
2569 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2574 static s32
adpt_i2o_reparse_lct(adpt_hba
* pHba
)
2579 struct i2o_device
*d
;
2580 i2o_lct
*lct
= pHba
->lct
;
2584 u32 buf
[10]; // at least 8 u32's
2585 struct adpt_device
* pDev
= NULL
;
2586 struct i2o_device
* pI2o_dev
= NULL
;
2589 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
2593 max
= lct
->table_size
;
2597 // Mark each drive as unscanned
2598 for (d
= pHba
->devices
; d
; d
= d
->next
) {
2599 pDev
=(struct adpt_device
*) d
->owner
;
2603 pDev
->state
|= DPTI_DEV_UNSCANNED
;
2606 printk(KERN_INFO
"%s: LCT has %d entries.\n", pHba
->name
,max
);
2608 for(i
=0;i
<max
;i
++) {
2609 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
2613 if( lct
->lct_entry
[i
].class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
2614 lct
->lct_entry
[i
].class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
2615 lct
->lct_entry
[i
].class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
2616 tid
= lct
->lct_entry
[i
].tid
;
2617 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
2618 printk(KERN_ERR
"%s: Could not query device\n",pHba
->name
);
2621 bus_no
= buf
[0]>>16;
2623 scsi_lun
= (buf
[2]>>8 )&0xff;
2624 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2627 if(pDev
->scsi_lun
== scsi_lun
) {
2630 pDev
= pDev
->next_lun
;
2632 if(!pDev
) { // Something new add it
2633 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
2636 printk(KERN_CRIT
"Out of memory for I2O device data.\n");
2640 d
->controller
= pHba
;
2643 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2646 adpt_i2o_report_hba_unit(pHba
, d
);
2647 adpt_i2o_install_device(pHba
, d
);
2649 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
2650 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
2653 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2655 pDev
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2659 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
2661 while (pDev
->next_lun
) {
2662 pDev
= pDev
->next_lun
;
2664 pDev
= pDev
->next_lun
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2669 pDev
->tid
= d
->lct_data
.tid
;
2670 pDev
->scsi_channel
= bus_no
;
2671 pDev
->scsi_id
= scsi_id
;
2672 pDev
->scsi_lun
= scsi_lun
;
2675 pDev
->type
= (buf
[0])&0xff;
2676 pDev
->flags
= (buf
[0]>>8)&0xff;
2677 // Too late, SCSI system has made up it's mind, but what the hey ...
2678 if(scsi_id
> pHba
->top_scsi_id
){
2679 pHba
->top_scsi_id
= scsi_id
;
2681 if(scsi_lun
> pHba
->top_scsi_lun
){
2682 pHba
->top_scsi_lun
= scsi_lun
;
2685 } // end of new i2o device
2687 // We found an old device - check it
2689 if(pDev
->scsi_lun
== scsi_lun
) {
2690 if(!scsi_device_online(pDev
->pScsi_dev
)) {
2691 printk(KERN_WARNING
"%s: Setting device (%d,%d,%d) back online\n",
2692 pHba
->name
,bus_no
,scsi_id
,scsi_lun
);
2693 if (pDev
->pScsi_dev
) {
2694 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_RUNNING
);
2698 if(d
->lct_data
.tid
!= tid
) { // something changed
2700 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2701 if (pDev
->pScsi_dev
) {
2702 pDev
->pScsi_dev
->changed
= TRUE
;
2703 pDev
->pScsi_dev
->removable
= TRUE
;
2706 // Found it - mark it scanned
2707 pDev
->state
= DPTI_DEV_ONLINE
;
2710 pDev
= pDev
->next_lun
;
2714 for (pI2o_dev
= pHba
->devices
; pI2o_dev
; pI2o_dev
= pI2o_dev
->next
) {
2715 pDev
=(struct adpt_device
*) pI2o_dev
->owner
;
2719 // Drive offline drives that previously existed but could not be found
2721 if (pDev
->state
& DPTI_DEV_UNSCANNED
){
2722 pDev
->state
= DPTI_DEV_OFFLINE
;
2723 printk(KERN_WARNING
"%s: Device (%d,%d,%d) offline\n",pHba
->name
,pDev
->scsi_channel
,pDev
->scsi_id
,pDev
->scsi_lun
);
2724 if (pDev
->pScsi_dev
) {
2725 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_OFFLINE
);
2732 static void adpt_fail_posted_scbs(adpt_hba
* pHba
)
2734 struct scsi_cmnd
* cmd
= NULL
;
2735 struct scsi_device
* d
= NULL
;
2737 shost_for_each_device(d
, pHba
->host
) {
2738 unsigned long flags
;
2739 spin_lock_irqsave(&d
->list_lock
, flags
);
2740 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
2741 if(cmd
->serial_number
== 0){
2744 cmd
->result
= (DID_OK
<< 16) | (QUEUE_FULL
<<1);
2745 cmd
->scsi_done(cmd
);
2747 spin_unlock_irqrestore(&d
->list_lock
, flags
);
2752 /*============================================================================
2753 * Routines from i2o subsystem
2754 *============================================================================
2760 * Bring an I2O controller into HOLD state. See the spec.
2762 static int adpt_i2o_activate_hba(adpt_hba
* pHba
)
2766 if(pHba
->initialized
) {
2767 if (adpt_i2o_status_get(pHba
) < 0) {
2768 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2769 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2772 if (adpt_i2o_status_get(pHba
) < 0) {
2773 printk(KERN_INFO
"HBA not responding.\n");
2778 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_FAULTED
) {
2779 printk(KERN_CRIT
"%s: hardware fault\n", pHba
->name
);
2783 if (pHba
->status_block
->iop_state
== ADAPTER_STATE_READY
||
2784 pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
||
2785 pHba
->status_block
->iop_state
== ADAPTER_STATE_HOLD
||
2786 pHba
->status_block
->iop_state
== ADAPTER_STATE_FAILED
) {
2787 adpt_i2o_reset_hba(pHba
);
2788 if (adpt_i2o_status_get(pHba
) < 0 || pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
2789 printk(KERN_ERR
"%s: Failed to initialize.\n", pHba
->name
);
2794 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2795 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2801 if (adpt_i2o_init_outbound_q(pHba
) < 0) {
2807 if (adpt_i2o_hrt_get(pHba
) < 0) {
2815 * Bring a controller online into OPERATIONAL state.
2818 static int adpt_i2o_online_hba(adpt_hba
* pHba
)
2820 if (adpt_i2o_systab_send(pHba
) < 0) {
2821 adpt_i2o_delete_hba(pHba
);
2824 /* In READY state */
2826 if (adpt_i2o_enable_hba(pHba
) < 0) {
2827 adpt_i2o_delete_hba(pHba
);
2831 /* In OPERATIONAL state */
2835 static s32
adpt_send_nop(adpt_hba
*pHba
,u32 m
)
2838 ulong timeout
= jiffies
+ 5*HZ
;
2840 while(m
== EMPTY_QUEUE
){
2842 m
= readl(pHba
->post_port
);
2843 if(m
!= EMPTY_QUEUE
){
2846 if(time_after(jiffies
,timeout
)){
2847 printk(KERN_ERR
"%s: Timeout waiting for message frame!\n",pHba
->name
);
2850 schedule_timeout_uninterruptible(1);
2852 msg
= (u32 __iomem
*)(pHba
->msg_addr_virt
+ m
);
2853 writel( THREE_WORD_MSG_SIZE
| SGL_OFFSET_0
,&msg
[0]);
2854 writel( I2O_CMD_UTIL_NOP
<< 24 | HOST_TID
<< 12 | 0,&msg
[1]);
2858 writel(m
, pHba
->post_port
);
2863 static s32
adpt_i2o_init_outbound_q(adpt_hba
* pHba
)
2867 u32 __iomem
*msg
= NULL
;
2869 ulong timeout
= jiffies
+ TMOUT_INITOUTBOUND
*HZ
;
2874 m
= readl(pHba
->post_port
);
2875 if (m
!= EMPTY_QUEUE
) {
2879 if(time_after(jiffies
,timeout
)){
2880 printk(KERN_WARNING
"%s: Timeout waiting for message frame\n",pHba
->name
);
2883 schedule_timeout_uninterruptible(1);
2884 } while(m
== EMPTY_QUEUE
);
2886 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2888 status
= dma_alloc_coherent(&pHba
->pDev
->dev
, 4, &addr
, GFP_KERNEL
);
2890 adpt_send_nop(pHba
, m
);
2891 printk(KERN_WARNING
"%s: IOP reset failed - no free memory.\n",
2895 memset(status
, 0, 4);
2897 writel(EIGHT_WORD_MSG_SIZE
| SGL_OFFSET_6
, &msg
[0]);
2898 writel(I2O_CMD_OUTBOUND_INIT
<<24 | HOST_TID
<<12 | ADAPTER_TID
, &msg
[1]);
2900 writel(0x0106, &msg
[3]); /* Transaction context */
2901 writel(4096, &msg
[4]); /* Host page frame size */
2902 writel((REPLY_FRAME_SIZE
)<<16|0x80, &msg
[5]); /* Outbound msg frame size and Initcode */
2903 writel(0xD0000004, &msg
[6]); /* Simple SG LE, EOB */
2904 writel((u32
)addr
, &msg
[7]);
2906 writel(m
, pHba
->post_port
);
2909 // Wait for the reply status to come back
2912 if (*status
!= 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2917 if(time_after(jiffies
,timeout
)){
2918 printk(KERN_WARNING
"%s: Timeout Initializing\n",pHba
->name
);
2919 /* We lose 4 bytes of "status" here, but we
2920 cannot free these because controller may
2921 awake and corrupt those bytes at any time */
2922 /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
2925 schedule_timeout_uninterruptible(1);
2928 // If the command was successful, fill the fifo with our reply
2930 if(*status
!= 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2931 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
2934 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
2936 if(pHba
->reply_pool
!= NULL
) {
2937 dma_free_coherent(&pHba
->pDev
->dev
,
2938 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
2939 pHba
->reply_pool
, pHba
->reply_pool_pa
);
2942 pHba
->reply_pool
= dma_alloc_coherent(&pHba
->pDev
->dev
,
2943 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
2944 &pHba
->reply_pool_pa
, GFP_KERNEL
);
2945 if (!pHba
->reply_pool
) {
2946 printk(KERN_ERR
"%s: Could not allocate reply pool\n", pHba
->name
);
2949 memset(pHba
->reply_pool
, 0 , pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4);
2951 for(i
= 0; i
< pHba
->reply_fifo_size
; i
++) {
2952 writel(pHba
->reply_pool_pa
+ (i
* REPLY_FRAME_SIZE
* 4),
2956 adpt_i2o_status_get(pHba
);
2962 * I2O System Table. Contains information about
2963 * all the IOPs in the system. Used to inform IOPs
2964 * about each other's existence.
2966 * sys_tbl_ver is the CurrentChangeIndicator that is
2967 * used by IOPs to track changes.
2972 static s32
adpt_i2o_status_get(adpt_hba
* pHba
)
2977 u8
*status_block
=NULL
;
2979 if(pHba
->status_block
== NULL
) {
2980 pHba
->status_block
= dma_alloc_coherent(&pHba
->pDev
->dev
,
2981 sizeof(i2o_status_block
),
2982 &pHba
->status_block_pa
, GFP_KERNEL
);
2983 if(pHba
->status_block
== NULL
) {
2985 "dpti%d: Get Status Block failed; Out of memory. \n",
2990 memset(pHba
->status_block
, 0, sizeof(i2o_status_block
));
2991 status_block
= (u8
*)(pHba
->status_block
);
2992 timeout
= jiffies
+TMOUT_GETSTATUS
*HZ
;
2995 m
= readl(pHba
->post_port
);
2996 if (m
!= EMPTY_QUEUE
) {
2999 if(time_after(jiffies
,timeout
)){
3000 printk(KERN_ERR
"%s: Timeout waiting for message !\n",
3004 schedule_timeout_uninterruptible(1);
3005 } while(m
==EMPTY_QUEUE
);
3008 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
3010 writel(NINE_WORD_MSG_SIZE
|SGL_OFFSET_0
, &msg
[0]);
3011 writel(I2O_CMD_STATUS_GET
<<24|HOST_TID
<<12|ADAPTER_TID
, &msg
[1]);
3016 writel( dma_low(pHba
->status_block_pa
), &msg
[6]);
3017 writel( dma_high(pHba
->status_block_pa
), &msg
[7]);
3018 writel(sizeof(i2o_status_block
), &msg
[8]); // 88 bytes
3021 writel(m
, pHba
->post_port
);
3024 while(status_block
[87]!=0xff){
3025 if(time_after(jiffies
,timeout
)){
3026 printk(KERN_ERR
"dpti%d: Get status timeout.\n",
3031 schedule_timeout_uninterruptible(1);
3034 // Set up our number of outbound and inbound messages
3035 pHba
->post_fifo_size
= pHba
->status_block
->max_inbound_frames
;
3036 if (pHba
->post_fifo_size
> MAX_TO_IOP_MESSAGES
) {
3037 pHba
->post_fifo_size
= MAX_TO_IOP_MESSAGES
;
3040 pHba
->reply_fifo_size
= pHba
->status_block
->max_outbound_frames
;
3041 if (pHba
->reply_fifo_size
> MAX_FROM_IOP_MESSAGES
) {
3042 pHba
->reply_fifo_size
= MAX_FROM_IOP_MESSAGES
;
3045 // Calculate the Scatter Gather list size
3046 if (dpt_dma64(pHba
)) {
3048 = ((pHba
->status_block
->inbound_frame_size
* 4
3050 / (sizeof(struct sg_simple_element
) + sizeof(u32
)));
3053 = ((pHba
->status_block
->inbound_frame_size
* 4
3055 / sizeof(struct sg_simple_element
));
3057 if (pHba
->sg_tablesize
> SG_LIST_ELEMENTS
) {
3058 pHba
->sg_tablesize
= SG_LIST_ELEMENTS
;
3063 printk("dpti%d: State = ",pHba
->unit
);
3064 switch(pHba
->status_block
->iop_state
) {
3078 printk("OPERATIONAL\n");
3084 printk("FAULTED\n");
3087 printk("%x (unknown!!)\n",pHba
->status_block
->iop_state
);
3094 * Get the IOP's Logical Configuration Table
3096 static int adpt_i2o_lct_get(adpt_hba
* pHba
)
3102 if ((pHba
->lct_size
== 0) || (pHba
->lct
== NULL
)){
3103 pHba
->lct_size
= pHba
->status_block
->expected_lct_size
;
3106 if (pHba
->lct
== NULL
) {
3107 pHba
->lct
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3108 pHba
->lct_size
, &pHba
->lct_pa
,
3110 if(pHba
->lct
== NULL
) {
3111 printk(KERN_CRIT
"%s: Lct Get failed. Out of memory.\n",
3116 memset(pHba
->lct
, 0, pHba
->lct_size
);
3118 msg
[0] = EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_6
;
3119 msg
[1] = I2O_CMD_LCT_NOTIFY
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3122 msg
[4] = 0xFFFFFFFF; /* All devices */
3123 msg
[5] = 0x00000000; /* Report now */
3124 msg
[6] = 0xD0000000|pHba
->lct_size
;
3125 msg
[7] = (u32
)pHba
->lct_pa
;
3127 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 360))) {
3128 printk(KERN_ERR
"%s: LCT Get failed (status=%#10x.\n",
3130 printk(KERN_ERR
"Adaptec: Error Reading Hardware.\n");
3134 if ((pHba
->lct
->table_size
<< 2) > pHba
->lct_size
) {
3135 pHba
->lct_size
= pHba
->lct
->table_size
<< 2;
3136 dma_free_coherent(&pHba
->pDev
->dev
, pHba
->lct_size
,
3137 pHba
->lct
, pHba
->lct_pa
);
3140 } while (pHba
->lct
== NULL
);
3142 PDEBUG("%s: Hardware resource table read.\n", pHba
->name
);
3145 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
3146 if(adpt_i2o_query_scalar(pHba
, 0 , 0x8000, -1, buf
, sizeof(buf
))>=0) {
3147 pHba
->FwDebugBufferSize
= buf
[1];
3148 pHba
->FwDebugBuffer_P
= ioremap(pHba
->base_addr_phys
+ buf
[0],
3149 pHba
->FwDebugBufferSize
);
3150 if (pHba
->FwDebugBuffer_P
) {
3151 pHba
->FwDebugFlags_P
= pHba
->FwDebugBuffer_P
+
3152 FW_DEBUG_FLAGS_OFFSET
;
3153 pHba
->FwDebugBLEDvalue_P
= pHba
->FwDebugBuffer_P
+
3154 FW_DEBUG_BLED_OFFSET
;
3155 pHba
->FwDebugBLEDflag_P
= pHba
->FwDebugBLEDvalue_P
+ 1;
3156 pHba
->FwDebugStrLength_P
= pHba
->FwDebugBuffer_P
+
3157 FW_DEBUG_STR_LENGTH_OFFSET
;
3158 pHba
->FwDebugBuffer_P
+= buf
[2];
3159 pHba
->FwDebugFlags
= 0;
3166 static int adpt_i2o_build_sys_table(void)
3168 adpt_hba
* pHba
= hba_chain
;
3172 dma_free_coherent(&pHba
->pDev
->dev
, sys_tbl_len
,
3173 sys_tbl
, sys_tbl_pa
);
3175 sys_tbl_len
= sizeof(struct i2o_sys_tbl
) + // Header + IOPs
3176 (hba_count
) * sizeof(struct i2o_sys_tbl_entry
);
3178 sys_tbl
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3179 sys_tbl_len
, &sys_tbl_pa
, GFP_KERNEL
);
3181 printk(KERN_WARNING
"SysTab Set failed. Out of memory.\n");
3184 memset(sys_tbl
, 0, sys_tbl_len
);
3186 sys_tbl
->num_entries
= hba_count
;
3187 sys_tbl
->version
= I2OVERSION
;
3188 sys_tbl
->change_ind
= sys_tbl_ind
++;
3190 for(pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
3192 // Get updated Status Block so we have the latest information
3193 if (adpt_i2o_status_get(pHba
)) {
3194 sys_tbl
->num_entries
--;
3195 continue; // try next one
3198 sys_tbl
->iops
[count
].org_id
= pHba
->status_block
->org_id
;
3199 sys_tbl
->iops
[count
].iop_id
= pHba
->unit
+ 2;
3200 sys_tbl
->iops
[count
].seg_num
= 0;
3201 sys_tbl
->iops
[count
].i2o_version
= pHba
->status_block
->i2o_version
;
3202 sys_tbl
->iops
[count
].iop_state
= pHba
->status_block
->iop_state
;
3203 sys_tbl
->iops
[count
].msg_type
= pHba
->status_block
->msg_type
;
3204 sys_tbl
->iops
[count
].frame_size
= pHba
->status_block
->inbound_frame_size
;
3205 sys_tbl
->iops
[count
].last_changed
= sys_tbl_ind
- 1; // ??
3206 sys_tbl
->iops
[count
].iop_capabilities
= pHba
->status_block
->iop_capabilities
;
3207 addr
= pHba
->base_addr_phys
+ 0x40;
3208 sys_tbl
->iops
[count
].inbound_low
= dma_low(addr
);
3209 sys_tbl
->iops
[count
].inbound_high
= dma_high(addr
);
3216 u32
*table
= (u32
*)sys_tbl
;
3217 printk(KERN_DEBUG
"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len
>>2));
3218 for(count
= 0; count
< (sys_tbl_len
>>2); count
++) {
3219 printk(KERN_INFO
"sys_tbl[%d] = %0#10x\n",
3220 count
, table
[count
]);
3230 * Dump the information block associated with a given unit (TID)
3233 static void adpt_i2o_report_hba_unit(adpt_hba
* pHba
, struct i2o_device
*d
)
3236 int unit
= d
->lct_data
.tid
;
3238 printk(KERN_INFO
"TID %3.3d ", unit
);
3240 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 3, buf
, 16)>=0)
3243 printk(" Vendor: %-12.12s", buf
);
3245 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 4, buf
, 16)>=0)
3248 printk(" Device: %-12.12s", buf
);
3250 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 6, buf
, 8)>=0)
3253 printk(" Rev: %-12.12s\n", buf
);
3256 printk(KERN_INFO
"\tClass: %.21s\n", adpt_i2o_get_class_name(d
->lct_data
.class_id
));
3257 printk(KERN_INFO
"\tSubclass: 0x%04X\n", d
->lct_data
.sub_class
);
3258 printk(KERN_INFO
"\tFlags: ");
3260 if(d
->lct_data
.device_flags
&(1<<0))
3261 printk("C"); // ConfigDialog requested
3262 if(d
->lct_data
.device_flags
&(1<<1))
3263 printk("U"); // Multi-user capable
3264 if(!(d
->lct_data
.device_flags
&(1<<4)))
3265 printk("P"); // Peer service enabled!
3266 if(!(d
->lct_data
.device_flags
&(1<<5)))
3267 printk("M"); // Mgmt service enabled!
3274 * Do i2o class name lookup
3276 static const char *adpt_i2o_get_class_name(int class)
3279 static char *i2o_class_name
[] = {
3281 "Device Driver Module",
3286 "Fibre Channel Port",
3287 "Fibre Channel Device",
3291 "Floppy Controller",
3293 "Secondary Bus Port",
3294 "Peer Transport Agent",
3299 switch(class&0xFFF) {
3300 case I2O_CLASS_EXECUTIVE
:
3304 case I2O_CLASS_RANDOM_BLOCK_STORAGE
:
3306 case I2O_CLASS_SEQUENTIAL_STORAGE
:
3312 case I2O_CLASS_FIBRE_CHANNEL_PORT
:
3314 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
:
3316 case I2O_CLASS_SCSI_PERIPHERAL
:
3318 case I2O_CLASS_ATE_PORT
:
3320 case I2O_CLASS_ATE_PERIPHERAL
:
3322 case I2O_CLASS_FLOPPY_CONTROLLER
:
3324 case I2O_CLASS_FLOPPY_DEVICE
:
3326 case I2O_CLASS_BUS_ADAPTER_PORT
:
3328 case I2O_CLASS_PEER_TRANSPORT_AGENT
:
3330 case I2O_CLASS_PEER_TRANSPORT
:
3333 return i2o_class_name
[idx
];
3338 static s32
adpt_i2o_hrt_get(adpt_hba
* pHba
)
3341 int ret
, size
= sizeof(i2o_hrt
);
3344 if (pHba
->hrt
== NULL
) {
3345 pHba
->hrt
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3346 size
, &pHba
->hrt_pa
, GFP_KERNEL
);
3347 if (pHba
->hrt
== NULL
) {
3348 printk(KERN_CRIT
"%s: Hrt Get failed; Out of memory.\n", pHba
->name
);
3353 msg
[0]= SIX_WORD_MSG_SIZE
| SGL_OFFSET_4
;
3354 msg
[1]= I2O_CMD_HRT_GET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3357 msg
[4]= (0xD0000000 | size
); /* Simple transaction */
3358 msg
[5]= (u32
)pHba
->hrt_pa
; /* Dump it here */
3360 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
),20))) {
3361 printk(KERN_ERR
"%s: Unable to get HRT (status=%#10x)\n", pHba
->name
, ret
);
3365 if (pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2 > size
) {
3366 int newsize
= pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2;
3367 dma_free_coherent(&pHba
->pDev
->dev
, size
,
3368 pHba
->hrt
, pHba
->hrt_pa
);
3372 } while(pHba
->hrt
== NULL
);
3377 * Query one scalar group value or a whole scalar group.
3379 static int adpt_i2o_query_scalar(adpt_hba
* pHba
, int tid
,
3380 int group
, int field
, void *buf
, int buflen
)
3382 u16 opblk
[] = { 1, 0, I2O_PARAMS_FIELD_GET
, group
, 1, field
};
3384 dma_addr_t opblk_pa
;
3386 dma_addr_t resblk_pa
;
3390 /* 8 bytes for header */
3391 resblk_va
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3392 sizeof(u8
) * (8 + buflen
), &resblk_pa
, GFP_KERNEL
);
3393 if (resblk_va
== NULL
) {
3394 printk(KERN_CRIT
"%s: query scalar failed; Out of memory.\n", pHba
->name
);
3398 opblk_va
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3399 sizeof(opblk
), &opblk_pa
, GFP_KERNEL
);
3400 if (opblk_va
== NULL
) {
3401 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3402 resblk_va
, resblk_pa
);
3403 printk(KERN_CRIT
"%s: query operatio failed; Out of memory.\n",
3407 if (field
== -1) /* whole group */
3410 memcpy(opblk_va
, opblk
, sizeof(opblk
));
3411 size
= adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET
, pHba
, tid
,
3412 opblk_va
, opblk_pa
, sizeof(opblk
),
3413 resblk_va
, resblk_pa
, sizeof(u8
)*(8+buflen
));
3414 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(opblk
), opblk_va
, opblk_pa
);
3415 if (size
== -ETIME
) {
3416 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3417 resblk_va
, resblk_pa
);
3418 printk(KERN_WARNING
"%s: issue params failed; Timed out.\n", pHba
->name
);
3420 } else if (size
== -EINTR
) {
3421 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3422 resblk_va
, resblk_pa
);
3423 printk(KERN_WARNING
"%s: issue params failed; Interrupted.\n", pHba
->name
);
3427 memcpy(buf
, resblk_va
+8, buflen
); /* cut off header */
3429 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3430 resblk_va
, resblk_pa
);
3438 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3440 * This function can be used for all UtilParamsGet/Set operations.
3441 * The OperationBlock is given in opblk-buffer,
3442 * and results are returned in resblk-buffer.
3443 * Note that the minimum sized resblk is 8 bytes and contains
3444 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3446 static int adpt_i2o_issue_params(int cmd
, adpt_hba
* pHba
, int tid
,
3447 void *opblk_va
, dma_addr_t opblk_pa
, int oplen
,
3448 void *resblk_va
, dma_addr_t resblk_pa
, int reslen
)
3451 u32
*res
= (u32
*)resblk_va
;
3454 msg
[0] = NINE_WORD_MSG_SIZE
| SGL_OFFSET_5
;
3455 msg
[1] = cmd
<< 24 | HOST_TID
<< 12 | tid
;
3459 msg
[5] = 0x54000000 | oplen
; /* OperationBlock */
3460 msg
[6] = (u32
)opblk_pa
;
3461 msg
[7] = 0xD0000000 | reslen
; /* ResultBlock */
3462 msg
[8] = (u32
)resblk_pa
;
3464 if ((wait_status
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 20))) {
3465 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va
);
3466 return wait_status
; /* -DetailedStatus */
3469 if (res
[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3470 printk(KERN_WARNING
"%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3471 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3473 (cmd
== I2O_CMD_UTIL_PARAMS_SET
) ? "PARAMS_SET"
3475 res
[1]>>24, (res
[1]>>16)&0xFF, res
[1]&0xFFFF);
3476 return -((res
[1] >> 16) & 0xFF); /* -BlockStatus */
3479 return 4 + ((res
[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3483 static s32
adpt_i2o_quiesce_hba(adpt_hba
* pHba
)
3488 adpt_i2o_status_get(pHba
);
3490 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3492 if((pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
) &&
3493 (pHba
->status_block
->iop_state
!= ADAPTER_STATE_OPERATIONAL
)){
3497 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3498 msg
[1] = I2O_CMD_SYS_QUIESCE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3502 if((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3503 printk(KERN_INFO
"dpti%d: Unable to quiesce (status=%#x).\n",
3506 printk(KERN_INFO
"dpti%d: Quiesced.\n",pHba
->unit
);
3509 adpt_i2o_status_get(pHba
);
3515 * Enable IOP. Allows the IOP to resume external operations.
3517 static int adpt_i2o_enable_hba(adpt_hba
* pHba
)
3522 adpt_i2o_status_get(pHba
);
3523 if(!pHba
->status_block
){
3526 /* Enable only allowed on READY state */
3527 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
)
3530 if(pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
)
3533 msg
[0]=FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3534 msg
[1]=I2O_CMD_SYS_ENABLE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3538 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3539 printk(KERN_WARNING
"%s: Could not enable (status=%#10x).\n",
3542 PDEBUG("%s: Enabled.\n", pHba
->name
);
3545 adpt_i2o_status_get(pHba
);
3550 static int adpt_i2o_systab_send(adpt_hba
* pHba
)
3555 msg
[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6
;
3556 msg
[1] = I2O_CMD_SYS_TAB_SET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3559 msg
[4] = (0<<16) | ((pHba
->unit
+2) << 12); /* Host 0 IOP ID (unit + 2) */
3560 msg
[5] = 0; /* Segment 0 */
3563 * Provide three SGL-elements:
3564 * System table (SysTab), Private memory space declaration and
3565 * Private i/o space declaration
3567 msg
[6] = 0x54000000 | sys_tbl_len
;
3568 msg
[7] = (u32
)sys_tbl_pa
;
3569 msg
[8] = 0x54000000 | 0;
3571 msg
[10] = 0xD4000000 | 0;
3574 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 120))) {
3575 printk(KERN_INFO
"%s: Unable to set SysTab (status=%#10x).\n",
3580 PINFO("%s: SysTab set.\n", pHba
->name
);
3588 /*============================================================================
3590 *============================================================================
3596 static static void adpt_delay(int millisec
)
3599 for (i
= 0; i
< millisec
; i
++) {
3600 udelay(1000); /* delay for one millisecond */
3606 static struct scsi_host_template driver_template
= {
3607 .module
= THIS_MODULE
,
3609 .proc_name
= "dpt_i2o",
3610 .proc_info
= adpt_proc_info
,
3612 .queuecommand
= adpt_queue
,
3613 .eh_abort_handler
= adpt_abort
,
3614 .eh_device_reset_handler
= adpt_device_reset
,
3615 .eh_bus_reset_handler
= adpt_bus_reset
,
3616 .eh_host_reset_handler
= adpt_reset
,
3617 .bios_param
= adpt_bios_param
,
3618 .slave_configure
= adpt_slave_configure
,
3619 .can_queue
= MAX_TO_IOP_MESSAGES
,
3622 .use_clustering
= ENABLE_CLUSTERING
,
3625 static int __init
adpt_init(void)
3628 adpt_hba
*pHba
, *next
;
3630 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION
"\n");
3632 error
= adpt_detect(&driver_template
);
3635 if (hba_chain
== NULL
)
3638 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
3639 error
= scsi_add_host(pHba
->host
, &pHba
->pDev
->dev
);
3642 scsi_scan_host(pHba
->host
);
3646 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
3648 scsi_remove_host(pHba
->host
);
3653 static void __exit
adpt_exit(void)
3655 adpt_hba
*pHba
, *next
;
3657 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
)
3658 scsi_remove_host(pHba
->host
);
3659 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
3661 adpt_release(pHba
->host
);
3665 module_init(adpt_init
);
3666 module_exit(adpt_exit
);
3668 MODULE_LICENSE("GPL");