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
;
194 PINFO("Detecting Adaptec I2O RAID controllers...\n");
196 /* search for all Adatpec I2O RAID cards */
197 while ((pDev
= pci_get_device( PCI_DPT_VENDOR_ID
, PCI_ANY_ID
, pDev
))) {
198 if(pDev
->device
== PCI_DPT_DEVICE_ID
||
199 pDev
->device
== PCI_DPT_RAPTOR_DEVICE_ID
){
200 if(adpt_install_hba(sht
, pDev
) ){
201 PERROR("Could not Init an I2O RAID device\n");
202 PERROR("Will not try to detect others.\n");
209 /* In INIT state, Activate IOPs */
210 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
212 // Activate does get status , init outbound, and get hrt
213 if (adpt_i2o_activate_hba(pHba
) < 0) {
214 adpt_i2o_delete_hba(pHba
);
219 /* Active IOPs in HOLD state */
222 if (hba_chain
== NULL
)
226 * If build_sys_table fails, we kill everything and bail
227 * as we can't init the IOPs w/o a system table
229 if (adpt_i2o_build_sys_table() < 0) {
230 adpt_i2o_sys_shutdown();
234 PDEBUG("HBA's in HOLD state\n");
236 /* If IOP don't get online, we need to rebuild the System table */
237 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
238 if (adpt_i2o_online_hba(pHba
) < 0) {
239 adpt_i2o_delete_hba(pHba
);
240 goto rebuild_sys_tab
;
244 /* Active IOPs now in OPERATIONAL state */
245 PDEBUG("HBA's in OPERATIONAL state\n");
247 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
248 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
250 printk(KERN_INFO
"%s: Reading the hardware resource table.\n", pHba
->name
);
251 if (adpt_i2o_lct_get(pHba
) < 0){
252 adpt_i2o_delete_hba(pHba
);
256 if (adpt_i2o_parse_lct(pHba
) < 0){
257 adpt_i2o_delete_hba(pHba
);
263 adpt_sysfs_class
= class_create(THIS_MODULE
, "dpt_i2o");
264 if (IS_ERR(adpt_sysfs_class
)) {
265 printk(KERN_WARNING
"dpti: unable to create dpt_i2o class\n");
266 adpt_sysfs_class
= NULL
;
269 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
271 if (adpt_scsi_host_alloc(pHba
, sht
) < 0){
272 adpt_i2o_delete_hba(pHba
);
275 pHba
->initialized
= TRUE
;
276 pHba
->state
&= ~DPTI_STATE_RESET
;
277 if (adpt_sysfs_class
) {
278 struct device
*dev
= device_create(adpt_sysfs_class
,
279 NULL
, MKDEV(DPTI_I2O_MAJOR
, pHba
->unit
), NULL
,
280 "dpti%d", pHba
->unit
);
282 printk(KERN_WARNING
"dpti%d: unable to "
283 "create device in dpt_i2o class\n",
289 // Register our control device node
290 // nodes will need to be created in /dev to access this
291 // the nodes can not be created from within the driver
292 if (hba_count
&& register_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
, &adpt_fops
)) {
293 adpt_i2o_sys_shutdown();
301 * scsi_unregister will be called AFTER we return.
303 static int adpt_release(struct Scsi_Host
*host
)
305 adpt_hba
* pHba
= (adpt_hba
*) host
->hostdata
[0];
306 // adpt_i2o_quiesce_hba(pHba);
307 adpt_i2o_delete_hba(pHba
);
308 scsi_unregister(host
);
313 static void adpt_inquiry(adpt_hba
* pHba
)
327 memset(msg
, 0, sizeof(msg
));
328 buf
= dma_alloc_coherent(&pHba
->pDev
->dev
, 80, &addr
, GFP_KERNEL
);
330 printk(KERN_ERR
"%s: Could not allocate buffer\n",pHba
->name
);
333 memset((void*)buf
, 0, 36);
336 direction
= 0x00000000;
337 scsidir
=0x40000000; // DATA IN (iop<--dev)
340 reqlen
= 17; // SINGLE SGE, 64 bit
342 reqlen
= 14; // SINGLE SGE, 32 bit
343 /* Stick the headers on */
344 msg
[0] = reqlen
<<16 | SGL_OFFSET_12
;
345 msg
[1] = (0xff<<24|HOST_TID
<<12|ADAPTER_TID
);
348 // Adaptec/DPT Private stuff
349 msg
[4] = I2O_CMD_SCSI_EXEC
|DPT_ORGANIZATION_ID
<<16;
350 msg
[5] = ADAPTER_TID
| 1<<16 /* Interpret*/;
351 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
352 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
353 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
354 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
355 msg
[6] = scsidir
|0x20a00000| 6 /* cmd len*/;
359 memset(scb
, 0, sizeof(scb
));
360 // Write SCSI command into the message - always 16 byte block
367 // Don't care about the rest of scb
369 memcpy(mptr
, scb
, sizeof(scb
));
371 lenptr
=mptr
++; /* Remember me - fill in when we know */
373 /* Now fill in the SGList and command */
375 if (dpt_dma64(pHba
)) {
376 *mptr
++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
377 *mptr
++ = 1 << PAGE_SHIFT
;
378 *mptr
++ = 0xD0000000|direction
|len
;
379 *mptr
++ = dma_low(addr
);
380 *mptr
++ = dma_high(addr
);
382 *mptr
++ = 0xD0000000|direction
|len
;
386 // Send it on it's way
387 rcode
= adpt_i2o_post_wait(pHba
, msg
, reqlen
<<2, 120);
389 sprintf(pHba
->detail
, "Adaptec I2O RAID");
390 printk(KERN_INFO
"%s: Inquiry Error (%d)\n",pHba
->name
,rcode
);
391 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
392 dma_free_coherent(&pHba
->pDev
->dev
, 80, buf
, addr
);
394 memset(pHba
->detail
, 0, sizeof(pHba
->detail
));
395 memcpy(&(pHba
->detail
), "Vendor: Adaptec ", 16);
396 memcpy(&(pHba
->detail
[16]), " Model: ", 8);
397 memcpy(&(pHba
->detail
[24]), (u8
*) &buf
[16], 16);
398 memcpy(&(pHba
->detail
[40]), " FW: ", 4);
399 memcpy(&(pHba
->detail
[44]), (u8
*) &buf
[32], 4);
400 pHba
->detail
[48] = '\0'; /* precautionary */
401 dma_free_coherent(&pHba
->pDev
->dev
, 80, buf
, addr
);
403 adpt_i2o_status_get(pHba
);
408 static int adpt_slave_configure(struct scsi_device
* device
)
410 struct Scsi_Host
*host
= device
->host
;
413 pHba
= (adpt_hba
*) host
->hostdata
[0];
415 if (host
->can_queue
&& device
->tagged_supported
) {
416 scsi_adjust_queue_depth(device
, MSG_SIMPLE_TAG
,
417 host
->can_queue
- 1);
419 scsi_adjust_queue_depth(device
, 0, 1);
424 static int adpt_queue(struct scsi_cmnd
* cmd
, void (*done
) (struct scsi_cmnd
*))
426 adpt_hba
* pHba
= NULL
;
427 struct adpt_device
* pDev
= NULL
; /* dpt per device information */
429 cmd
->scsi_done
= done
;
431 * SCSI REQUEST_SENSE commands will be executed automatically by the
432 * Host Adapter for any errors, so they should not be executed
433 * explicitly unless the Sense Data is zero indicating that no error
437 if ((cmd
->cmnd
[0] == REQUEST_SENSE
) && (cmd
->sense_buffer
[0] != 0)) {
438 cmd
->result
= (DID_OK
<< 16);
443 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
450 * TODO: I need to block here if I am processing ioctl cmds
451 * but if the outstanding cmds all finish before the ioctl,
452 * the scsi-core will not know to start sending cmds to me again.
453 * I need to a way to restart the scsi-cores queues or should I block
454 * calling scsi_done on the outstanding cmds instead
455 * for now we don't set the IOCTL state
457 if(((pHba
->state
) & DPTI_STATE_IOCTL
) || ((pHba
->state
) & DPTI_STATE_RESET
)) {
458 pHba
->host
->last_reset
= jiffies
;
459 pHba
->host
->resetting
= 1;
463 // TODO if the cmd->device if offline then I may need to issue a bus rescan
464 // followed by a get_lct to see if the device is there anymore
465 if((pDev
= (struct adpt_device
*) (cmd
->device
->hostdata
)) == NULL
) {
467 * First command request for this device. Set up a pointer
468 * to the device structure. This should be a TEST_UNIT_READY
469 * command from scan_scsis_single.
471 if ((pDev
= adpt_find_device(pHba
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
)) == NULL
) {
472 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
473 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
474 cmd
->result
= (DID_NO_CONNECT
<< 16);
478 cmd
->device
->hostdata
= pDev
;
480 pDev
->pScsi_dev
= cmd
->device
;
483 * If we are being called from when the device is being reset,
484 * delay processing of the command until later.
486 if (pDev
->state
& DPTI_DEV_RESET
) {
489 return adpt_scsi_to_i2o(pHba
, cmd
, pDev
);
492 static int adpt_bios_param(struct scsi_device
*sdev
, struct block_device
*dev
,
493 sector_t capacity
, int geom
[])
499 // *** First lets set the default geometry ****
501 // If the capacity is less than ox2000
502 if (capacity
< 0x2000 ) { // floppy
506 // else if between 0x2000 and 0x20000
507 else if (capacity
< 0x20000) {
511 // else if between 0x20000 and 0x40000
512 else if (capacity
< 0x40000) {
516 // else if between 0x4000 and 0x80000
517 else if (capacity
< 0x80000) {
521 // else if greater than 0x80000
526 cylinders
= sector_div(capacity
, heads
* sectors
);
528 // Special case if CDROM
529 if(sdev
->type
== 5) { // CDROM
539 PDEBUG("adpt_bios_param: exit\n");
544 static const char *adpt_info(struct Scsi_Host
*host
)
548 pHba
= (adpt_hba
*) host
->hostdata
[0];
549 return (char *) (pHba
->detail
);
552 static int adpt_proc_info(struct Scsi_Host
*host
, char *buffer
, char **start
, off_t offset
,
553 int length
, int inout
)
555 struct adpt_device
* d
;
567 * The user has done a write and wants us to take the
568 * data in the buffer and do something with it.
569 * proc_scsiwrite calls us with inout = 1
571 * Read data from buffer (writing to us) - NOT SUPPORTED
577 * inout = 0 means the user has done a read and wants information
578 * returned, so we write information about the cards into the buffer
579 * proc_scsiread() calls us with inout = 0
582 // Find HBA (host bus adapter) we are looking for
583 mutex_lock(&adpt_configuration_lock
);
584 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
585 if (pHba
->host
== host
) {
586 break; /* found adapter */
589 mutex_unlock(&adpt_configuration_lock
);
595 len
= sprintf(buffer
, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION
);
596 len
+= sprintf(buffer
+len
, "%s\n", pHba
->detail
);
597 len
+= sprintf(buffer
+len
, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
598 pHba
->host
->host_no
, pHba
->name
, host
->irq
);
599 len
+= sprintf(buffer
+len
, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
600 host
->can_queue
, (int) pHba
->reply_fifo_size
, host
->sg_tablesize
);
605 if(pos
> offset
+ length
) {
610 * If we haven't even written to where we last left
611 * off (the last time we were called), reset the
617 len
+= sprintf(buffer
+len
, "Devices:\n");
618 for(chan
= 0; chan
< MAX_CHANNEL
; chan
++) {
619 for(id
= 0; id
< MAX_ID
; id
++) {
620 d
= pHba
->channel
[chan
].device
[id
];
622 len
+= sprintf(buffer
+len
,"\t%-24.24s", d
->pScsi_dev
->vendor
);
623 len
+= sprintf(buffer
+len
," Rev: %-8.8s\n", d
->pScsi_dev
->rev
);
628 if(pos
> offset
+ length
) {
636 unit
= d
->pI2o_dev
->lct_data
.tid
;
637 len
+= sprintf(buffer
+len
, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
638 unit
, (int)d
->scsi_channel
, (int)d
->scsi_id
, (int)d
->scsi_lun
,
639 scsi_device_online(d
->pScsi_dev
)? "online":"offline");
643 if(pos
> offset
+ length
) {
657 * begin is where we last checked our position with regards to offset
658 * begin is always less than offset. len is relative to begin. It
659 * is the number of bytes written past begin
663 /* stop the output and calculate the correct length */
664 *(buffer
+ len
) = '\0';
666 *start
= buffer
+ (offset
- begin
); /* Start of wanted data */
667 len
-= (offset
- begin
);
678 * Turn a struct scsi_cmnd * into a unique 32 bit 'context'.
680 static u32
adpt_cmd_to_context(struct scsi_cmnd
*cmd
)
682 return (u32
)cmd
->serial_number
;
686 * Go from a u32 'context' to a struct scsi_cmnd * .
687 * This could probably be made more efficient.
689 static struct scsi_cmnd
*
690 adpt_cmd_from_context(adpt_hba
* pHba
, u32 context
)
692 struct scsi_cmnd
* cmd
;
693 struct scsi_device
* d
;
698 spin_unlock(pHba
->host
->host_lock
);
699 shost_for_each_device(d
, pHba
->host
) {
701 spin_lock_irqsave(&d
->list_lock
, flags
);
702 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
703 if (((u32
)cmd
->serial_number
== context
)) {
704 spin_unlock_irqrestore(&d
->list_lock
, flags
);
706 spin_lock(pHba
->host
->host_lock
);
710 spin_unlock_irqrestore(&d
->list_lock
, flags
);
712 spin_lock(pHba
->host
->host_lock
);
718 * Turn a pointer to ioctl reply data into an u32 'context'
720 static u32
adpt_ioctl_to_context(adpt_hba
* pHba
, void *reply
)
722 #if BITS_PER_LONG == 32
723 return (u32
)(unsigned long)reply
;
728 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
729 nr
= ARRAY_SIZE(pHba
->ioctl_reply_context
);
730 for (i
= 0; i
< nr
; i
++) {
731 if (pHba
->ioctl_reply_context
[i
] == NULL
) {
732 pHba
->ioctl_reply_context
[i
] = reply
;
736 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
739 printk(KERN_WARNING
"%s: Too many outstanding "
740 "ioctl commands\n", pHba
->name
);
749 * Go from an u32 'context' to a pointer to ioctl reply data.
751 static void *adpt_ioctl_from_context(adpt_hba
*pHba
, u32 context
)
753 #if BITS_PER_LONG == 32
754 return (void *)(unsigned long)context
;
756 void *p
= pHba
->ioctl_reply_context
[context
];
757 pHba
->ioctl_reply_context
[context
] = NULL
;
763 /*===========================================================================
764 * Error Handling routines
765 *===========================================================================
768 static int adpt_abort(struct scsi_cmnd
* cmd
)
770 adpt_hba
* pHba
= NULL
; /* host bus adapter structure */
771 struct adpt_device
* dptdevice
; /* dpt per device information */
775 if(cmd
->serial_number
== 0){
778 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
779 printk(KERN_INFO
"%s: Trying to Abort cmd=%ld\n",pHba
->name
, cmd
->serial_number
);
780 if ((dptdevice
= (void*) (cmd
->device
->hostdata
)) == NULL
) {
781 printk(KERN_ERR
"%s: Unable to abort: No device in cmnd\n",pHba
->name
);
785 memset(msg
, 0, sizeof(msg
));
786 msg
[0] = FIVE_WORD_MSG_SIZE
|SGL_OFFSET_0
;
787 msg
[1] = I2O_CMD_SCSI_ABORT
<<24|HOST_TID
<<12|dptdevice
->tid
;
790 msg
[4] = adpt_cmd_to_context(cmd
);
792 spin_lock_irq(pHba
->host
->host_lock
);
793 rcode
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), FOREVER
);
795 spin_unlock_irq(pHba
->host
->host_lock
);
797 if(rcode
== -EOPNOTSUPP
){
798 printk(KERN_INFO
"%s: Abort cmd not supported\n",pHba
->name
);
801 printk(KERN_INFO
"%s: Abort cmd=%ld failed.\n",pHba
->name
, cmd
->serial_number
);
804 printk(KERN_INFO
"%s: Abort cmd=%ld complete.\n",pHba
->name
, cmd
->serial_number
);
809 #define I2O_DEVICE_RESET 0x27
810 // This is the same for BLK and SCSI devices
811 // NOTE this is wrong in the i2o.h definitions
812 // This is not currently supported by our adapter but we issue it anyway
813 static int adpt_device_reset(struct scsi_cmnd
* cmd
)
819 struct adpt_device
* d
= cmd
->device
->hostdata
;
821 pHba
= (void*) cmd
->device
->host
->hostdata
[0];
822 printk(KERN_INFO
"%s: Trying to reset device\n",pHba
->name
);
824 printk(KERN_INFO
"%s: Reset Device: Device Not found\n",pHba
->name
);
827 memset(msg
, 0, sizeof(msg
));
828 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
829 msg
[1] = (I2O_DEVICE_RESET
<<24|HOST_TID
<<12|d
->tid
);
834 spin_lock_irq(pHba
->host
->host_lock
);
835 old_state
= d
->state
;
836 d
->state
|= DPTI_DEV_RESET
;
837 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
838 d
->state
= old_state
;
840 spin_unlock_irq(pHba
->host
->host_lock
);
842 if(rcode
== -EOPNOTSUPP
){
843 printk(KERN_INFO
"%s: Device reset not supported\n",pHba
->name
);
846 printk(KERN_INFO
"%s: Device reset failed\n",pHba
->name
);
849 printk(KERN_INFO
"%s: Device reset successful\n",pHba
->name
);
855 #define I2O_HBA_BUS_RESET 0x87
856 // This version of bus reset is called by the eh_error handler
857 static int adpt_bus_reset(struct scsi_cmnd
* cmd
)
863 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
864 memset(msg
, 0, sizeof(msg
));
865 printk(KERN_WARNING
"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba
->name
, cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
866 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
867 msg
[1] = (I2O_HBA_BUS_RESET
<<24|HOST_TID
<<12|pHba
->channel
[cmd
->device
->channel
].tid
);
871 spin_lock_irq(pHba
->host
->host_lock
);
872 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
874 spin_unlock_irq(pHba
->host
->host_lock
);
876 printk(KERN_WARNING
"%s: Bus reset failed.\n",pHba
->name
);
879 printk(KERN_WARNING
"%s: Bus reset success.\n",pHba
->name
);
884 // This version of reset is called by the eh_error_handler
885 static int __adpt_reset(struct scsi_cmnd
* cmd
)
889 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
890 printk(KERN_WARNING
"%s: Hba Reset: scsi id %d: tid: %d\n",pHba
->name
,cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
891 rcode
= adpt_hba_reset(pHba
);
893 printk(KERN_WARNING
"%s: HBA reset complete\n",pHba
->name
);
896 printk(KERN_WARNING
"%s: HBA reset failed (%x)\n",pHba
->name
, rcode
);
901 static int adpt_reset(struct scsi_cmnd
* cmd
)
905 spin_lock_irq(cmd
->device
->host
->host_lock
);
906 rc
= __adpt_reset(cmd
);
907 spin_unlock_irq(cmd
->device
->host
->host_lock
);
912 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
913 static int adpt_hba_reset(adpt_hba
* pHba
)
917 pHba
->state
|= DPTI_STATE_RESET
;
919 // Activate does get status , init outbound, and get hrt
920 if ((rcode
=adpt_i2o_activate_hba(pHba
)) < 0) {
921 printk(KERN_ERR
"%s: Could not activate\n", pHba
->name
);
922 adpt_i2o_delete_hba(pHba
);
926 if ((rcode
=adpt_i2o_build_sys_table()) < 0) {
927 adpt_i2o_delete_hba(pHba
);
930 PDEBUG("%s: in HOLD state\n",pHba
->name
);
932 if ((rcode
=adpt_i2o_online_hba(pHba
)) < 0) {
933 adpt_i2o_delete_hba(pHba
);
936 PDEBUG("%s: in OPERATIONAL state\n",pHba
->name
);
938 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0){
939 adpt_i2o_delete_hba(pHba
);
943 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0){
944 adpt_i2o_delete_hba(pHba
);
947 pHba
->state
&= ~DPTI_STATE_RESET
;
949 adpt_fail_posted_scbs(pHba
);
950 return 0; /* return success */
953 /*===========================================================================
955 *===========================================================================
959 static void adpt_i2o_sys_shutdown(void)
961 adpt_hba
*pHba
, *pNext
;
962 struct adpt_i2o_post_wait_data
*p1
, *old
;
964 printk(KERN_INFO
"Shutting down Adaptec I2O controllers.\n");
965 printk(KERN_INFO
" This could take a few minutes if there are many devices attached\n");
966 /* Delete all IOPs from the controller chain */
967 /* They should have already been released by the
970 for (pHba
= hba_chain
; pHba
; pHba
= pNext
) {
972 adpt_i2o_delete_hba(pHba
);
975 /* Remove any timedout entries from the wait queue. */
976 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
977 /* Nothing should be outstanding at this point so just
980 for(p1
= adpt_post_wait_queue
; p1
;) {
985 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
986 adpt_post_wait_queue
= NULL
;
988 printk(KERN_INFO
"Adaptec I2O controllers down.\n");
991 static int adpt_install_hba(struct scsi_host_template
* sht
, struct pci_dev
* pDev
)
994 adpt_hba
* pHba
= NULL
;
996 ulong base_addr0_phys
= 0;
997 ulong base_addr1_phys
= 0;
998 u32 hba_map0_area_size
= 0;
999 u32 hba_map1_area_size
= 0;
1000 void __iomem
*base_addr_virt
= NULL
;
1001 void __iomem
*msg_addr_virt
= NULL
;
1004 int raptorFlag
= FALSE
;
1006 if(pci_enable_device(pDev
)) {
1010 if (pci_request_regions(pDev
, "dpt_i2o")) {
1011 PERROR("dpti: adpt_config_hba: pci request region failed\n");
1015 pci_set_master(pDev
);
1018 * See if we should enable dma64 mode.
1020 if (sizeof(dma_addr_t
) > 4 &&
1021 pci_set_dma_mask(pDev
, DMA_BIT_MASK(64)) == 0) {
1022 if (dma_get_required_mask(&pDev
->dev
) > DMA_BIT_MASK(32))
1025 if (!dma64
&& pci_set_dma_mask(pDev
, DMA_BIT_MASK(32)) != 0)
1028 /* adapter only supports message blocks below 4GB */
1029 pci_set_consistent_dma_mask(pDev
, DMA_BIT_MASK(32));
1031 base_addr0_phys
= pci_resource_start(pDev
,0);
1032 hba_map0_area_size
= pci_resource_len(pDev
,0);
1034 // Check if standard PCI card or single BAR Raptor
1035 if(pDev
->device
== PCI_DPT_DEVICE_ID
){
1036 if(pDev
->subsystem_device
>=0xc032 && pDev
->subsystem_device
<= 0xc03b){
1037 // Raptor card with this device id needs 4M
1038 hba_map0_area_size
= 0x400000;
1039 } else { // Not Raptor - it is a PCI card
1040 if(hba_map0_area_size
> 0x100000 ){
1041 hba_map0_area_size
= 0x100000;
1044 } else {// Raptor split BAR config
1045 // Use BAR1 in this configuration
1046 base_addr1_phys
= pci_resource_start(pDev
,1);
1047 hba_map1_area_size
= pci_resource_len(pDev
,1);
1051 #if BITS_PER_LONG == 64
1053 * The original Adaptec 64 bit driver has this comment here:
1054 * "x86_64 machines need more optimal mappings"
1056 * I assume some HBAs report ridiculously large mappings
1057 * and we need to limit them on platforms with IOMMUs.
1059 if (raptorFlag
== TRUE
) {
1060 if (hba_map0_area_size
> 128)
1061 hba_map0_area_size
= 128;
1062 if (hba_map1_area_size
> 524288)
1063 hba_map1_area_size
= 524288;
1065 if (hba_map0_area_size
> 524288)
1066 hba_map0_area_size
= 524288;
1070 base_addr_virt
= ioremap(base_addr0_phys
,hba_map0_area_size
);
1071 if (!base_addr_virt
) {
1072 pci_release_regions(pDev
);
1073 PERROR("dpti: adpt_config_hba: io remap failed\n");
1077 if(raptorFlag
== TRUE
) {
1078 msg_addr_virt
= ioremap(base_addr1_phys
, hba_map1_area_size
);
1079 if (!msg_addr_virt
) {
1080 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
1081 iounmap(base_addr_virt
);
1082 pci_release_regions(pDev
);
1086 msg_addr_virt
= base_addr_virt
;
1089 // Allocate and zero the data structure
1090 pHba
= kzalloc(sizeof(adpt_hba
), GFP_KERNEL
);
1092 if (msg_addr_virt
!= base_addr_virt
)
1093 iounmap(msg_addr_virt
);
1094 iounmap(base_addr_virt
);
1095 pci_release_regions(pDev
);
1099 mutex_lock(&adpt_configuration_lock
);
1101 if(hba_chain
!= NULL
){
1102 for(p
= hba_chain
; p
->next
; p
= p
->next
);
1108 pHba
->unit
= hba_count
;
1109 sprintf(pHba
->name
, "dpti%d", hba_count
);
1112 mutex_unlock(&adpt_configuration_lock
);
1115 pHba
->base_addr_phys
= base_addr0_phys
;
1117 // Set up the Virtual Base Address of the I2O Device
1118 pHba
->base_addr_virt
= base_addr_virt
;
1119 pHba
->msg_addr_virt
= msg_addr_virt
;
1120 pHba
->irq_mask
= base_addr_virt
+0x30;
1121 pHba
->post_port
= base_addr_virt
+0x40;
1122 pHba
->reply_port
= base_addr_virt
+0x44;
1127 pHba
->status_block
= NULL
;
1128 pHba
->post_count
= 0;
1129 pHba
->state
= DPTI_STATE_RESET
;
1131 pHba
->devices
= NULL
;
1132 pHba
->dma64
= dma64
;
1134 // Initializing the spinlocks
1135 spin_lock_init(&pHba
->state_lock
);
1136 spin_lock_init(&adpt_post_wait_lock
);
1138 if(raptorFlag
== 0){
1139 printk(KERN_INFO
"Adaptec I2O RAID controller"
1140 " %d at %p size=%x irq=%d%s\n",
1141 hba_count
-1, base_addr_virt
,
1142 hba_map0_area_size
, pDev
->irq
,
1143 dma64
? " (64-bit DMA)" : "");
1145 printk(KERN_INFO
"Adaptec I2O RAID controller %d irq=%d%s\n",
1146 hba_count
-1, pDev
->irq
,
1147 dma64
? " (64-bit DMA)" : "");
1148 printk(KERN_INFO
" BAR0 %p - size= %x\n",base_addr_virt
,hba_map0_area_size
);
1149 printk(KERN_INFO
" BAR1 %p - size= %x\n",msg_addr_virt
,hba_map1_area_size
);
1152 if (request_irq (pDev
->irq
, adpt_isr
, IRQF_SHARED
, pHba
->name
, pHba
)) {
1153 printk(KERN_ERR
"%s: Couldn't register IRQ %d\n", pHba
->name
, pDev
->irq
);
1154 adpt_i2o_delete_hba(pHba
);
1162 static void adpt_i2o_delete_hba(adpt_hba
* pHba
)
1166 struct i2o_device
* d
;
1167 struct i2o_device
* next
;
1170 struct adpt_device
* pDev
;
1171 struct adpt_device
* pNext
;
1174 mutex_lock(&adpt_configuration_lock
);
1175 // scsi_unregister calls our adpt_release which
1178 free_irq(pHba
->host
->irq
, pHba
);
1181 for( p1
= hba_chain
; p1
; p2
= p1
,p1
=p1
->next
){
1184 p2
->next
= p1
->next
;
1186 hba_chain
= p1
->next
;
1193 mutex_unlock(&adpt_configuration_lock
);
1195 iounmap(pHba
->base_addr_virt
);
1196 pci_release_regions(pHba
->pDev
);
1197 if(pHba
->msg_addr_virt
!= pHba
->base_addr_virt
){
1198 iounmap(pHba
->msg_addr_virt
);
1200 if(pHba
->FwDebugBuffer_P
)
1201 iounmap(pHba
->FwDebugBuffer_P
);
1203 dma_free_coherent(&pHba
->pDev
->dev
,
1204 pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2,
1205 pHba
->hrt
, pHba
->hrt_pa
);
1208 dma_free_coherent(&pHba
->pDev
->dev
, pHba
->lct_size
,
1209 pHba
->lct
, pHba
->lct_pa
);
1211 if(pHba
->status_block
) {
1212 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(i2o_status_block
),
1213 pHba
->status_block
, pHba
->status_block_pa
);
1215 if(pHba
->reply_pool
) {
1216 dma_free_coherent(&pHba
->pDev
->dev
,
1217 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
1218 pHba
->reply_pool
, pHba
->reply_pool_pa
);
1221 for(d
= pHba
->devices
; d
; d
= next
){
1225 for(i
= 0 ; i
< pHba
->top_scsi_channel
; i
++){
1226 for(j
= 0; j
< MAX_ID
; j
++){
1227 if(pHba
->channel
[i
].device
[j
] != NULL
){
1228 for(pDev
= pHba
->channel
[i
].device
[j
]; pDev
; pDev
= pNext
){
1229 pNext
= pDev
->next_lun
;
1235 pci_dev_put(pHba
->pDev
);
1236 if (adpt_sysfs_class
)
1237 device_destroy(adpt_sysfs_class
,
1238 MKDEV(DPTI_I2O_MAJOR
, pHba
->unit
));
1242 unregister_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
);
1243 if (adpt_sysfs_class
) {
1244 class_destroy(adpt_sysfs_class
);
1245 adpt_sysfs_class
= NULL
;
1250 static struct adpt_device
* adpt_find_device(adpt_hba
* pHba
, u32 chan
, u32 id
, u32 lun
)
1252 struct adpt_device
* d
;
1254 if(chan
< 0 || chan
>= MAX_CHANNEL
)
1257 if( pHba
->channel
[chan
].device
== NULL
){
1258 printk(KERN_DEBUG
"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1262 d
= pHba
->channel
[chan
].device
[id
];
1263 if(!d
|| d
->tid
== 0) {
1267 /* If it is the only lun at that address then this should match*/
1268 if(d
->scsi_lun
== lun
){
1272 /* else we need to look through all the luns */
1273 for(d
=d
->next_lun
; d
; d
= d
->next_lun
){
1274 if(d
->scsi_lun
== lun
){
1282 static int adpt_i2o_post_wait(adpt_hba
* pHba
, u32
* msg
, int len
, int timeout
)
1284 // I used my own version of the WAIT_QUEUE_HEAD
1285 // to handle some version differences
1286 // When embedded in the kernel this could go back to the vanilla one
1287 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post
);
1290 struct adpt_i2o_post_wait_data
*p1
, *p2
;
1291 struct adpt_i2o_post_wait_data
*wait_data
=
1292 kmalloc(sizeof(struct adpt_i2o_post_wait_data
),GFP_KERNEL
);
1293 DECLARE_WAITQUEUE(wait
, current
);
1299 * The spin locking is needed to keep anyone from playing
1300 * with the queue pointers and id while we do the same
1302 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1303 // TODO we need a MORE unique way of getting ids
1304 // to support async LCT get
1305 wait_data
->next
= adpt_post_wait_queue
;
1306 adpt_post_wait_queue
= wait_data
;
1307 adpt_post_wait_id
++;
1308 adpt_post_wait_id
&= 0x7fff;
1309 wait_data
->id
= adpt_post_wait_id
;
1310 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1312 wait_data
->wq
= &adpt_wq_i2o_post
;
1313 wait_data
->status
= -ETIMEDOUT
;
1315 add_wait_queue(&adpt_wq_i2o_post
, &wait
);
1317 msg
[2] |= 0x80000000 | ((u32
)wait_data
->id
);
1319 if((status
= adpt_i2o_post_this(pHba
, msg
, len
)) == 0){
1320 set_current_state(TASK_INTERRUPTIBLE
);
1322 spin_unlock_irq(pHba
->host
->host_lock
);
1326 timeout
= schedule_timeout(timeout
);
1328 // I/O issued, but cannot get result in
1329 // specified time. Freeing resorces is
1335 spin_lock_irq(pHba
->host
->host_lock
);
1337 remove_wait_queue(&adpt_wq_i2o_post
, &wait
);
1339 if(status
== -ETIMEDOUT
){
1340 printk(KERN_INFO
"dpti%d: POST WAIT TIMEOUT\n",pHba
->unit
);
1341 // We will have to free the wait_data memory during shutdown
1345 /* Remove the entry from the queue. */
1347 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1348 for(p1
= adpt_post_wait_queue
; p1
; p2
= p1
, p1
= p1
->next
) {
1349 if(p1
== wait_data
) {
1350 if(p1
->status
== I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION
) {
1351 status
= -EOPNOTSUPP
;
1354 p2
->next
= p1
->next
;
1356 adpt_post_wait_queue
= p1
->next
;
1361 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1369 static s32
adpt_i2o_post_this(adpt_hba
* pHba
, u32
* data
, int len
)
1372 u32 m
= EMPTY_QUEUE
;
1374 ulong timeout
= jiffies
+ 30*HZ
;
1377 m
= readl(pHba
->post_port
);
1378 if (m
!= EMPTY_QUEUE
) {
1381 if(time_after(jiffies
,timeout
)){
1382 printk(KERN_WARNING
"dpti%d: Timeout waiting for message frame!\n", pHba
->unit
);
1385 schedule_timeout_uninterruptible(1);
1386 } while(m
== EMPTY_QUEUE
);
1388 msg
= pHba
->msg_addr_virt
+ m
;
1389 memcpy_toio(msg
, data
, len
);
1393 writel(m
, pHba
->post_port
);
1400 static void adpt_i2o_post_wait_complete(u32 context
, int status
)
1402 struct adpt_i2o_post_wait_data
*p1
= NULL
;
1404 * We need to search through the adpt_post_wait
1405 * queue to see if the given message is still
1406 * outstanding. If not, it means that the IOP
1407 * took longer to respond to the message than we
1408 * had allowed and timer has already expired.
1409 * Not much we can do about that except log
1410 * it for debug purposes, increase timeout, and recompile
1412 * Lock needed to keep anyone from moving queue pointers
1413 * around while we're looking through them.
1418 spin_lock(&adpt_post_wait_lock
);
1419 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1420 if(p1
->id
== context
) {
1421 p1
->status
= status
;
1422 spin_unlock(&adpt_post_wait_lock
);
1423 wake_up_interruptible(p1
->wq
);
1427 spin_unlock(&adpt_post_wait_lock
);
1428 // If this happens we lose commands that probably really completed
1429 printk(KERN_DEBUG
"dpti: Could Not find task %d in wait queue\n",context
);
1430 printk(KERN_DEBUG
" Tasks in wait queue:\n");
1431 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1432 printk(KERN_DEBUG
" %d\n",p1
->id
);
1437 static s32
adpt_i2o_reset_hba(adpt_hba
* pHba
)
1442 u32 m
= EMPTY_QUEUE
;
1443 ulong timeout
= jiffies
+ (TMOUT_IOPRESET
*HZ
);
1445 if(pHba
->initialized
== FALSE
) { // First time reset should be quick
1446 timeout
= jiffies
+ (25*HZ
);
1448 adpt_i2o_quiesce_hba(pHba
);
1453 m
= readl(pHba
->post_port
);
1454 if (m
!= EMPTY_QUEUE
) {
1457 if(time_after(jiffies
,timeout
)){
1458 printk(KERN_WARNING
"Timeout waiting for message!\n");
1461 schedule_timeout_uninterruptible(1);
1462 } while (m
== EMPTY_QUEUE
);
1464 status
= dma_alloc_coherent(&pHba
->pDev
->dev
, 4, &addr
, GFP_KERNEL
);
1465 if(status
== NULL
) {
1466 adpt_send_nop(pHba
, m
);
1467 printk(KERN_ERR
"IOP reset failed - no free memory.\n");
1472 msg
[0]=EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_0
;
1473 msg
[1]=I2O_CMD_ADAPTER_RESET
<<24|HOST_TID
<<12|ADAPTER_TID
;
1478 msg
[6]=dma_low(addr
);
1479 msg
[7]=dma_high(addr
);
1481 memcpy_toio(pHba
->msg_addr_virt
+m
, msg
, sizeof(msg
));
1483 writel(m
, pHba
->post_port
);
1486 while(*status
== 0){
1487 if(time_after(jiffies
,timeout
)){
1488 printk(KERN_WARNING
"%s: IOP Reset Timeout\n",pHba
->name
);
1489 /* We lose 4 bytes of "status" here, but we cannot
1490 free these because controller may awake and corrupt
1491 those bytes at any time */
1492 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1496 schedule_timeout_uninterruptible(1);
1499 if(*status
== 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1500 PDEBUG("%s: Reset in progress...\n", pHba
->name
);
1501 // Here we wait for message frame to become available
1502 // indicated that reset has finished
1505 m
= readl(pHba
->post_port
);
1506 if (m
!= EMPTY_QUEUE
) {
1509 if(time_after(jiffies
,timeout
)){
1510 printk(KERN_ERR
"%s:Timeout waiting for IOP Reset.\n",pHba
->name
);
1511 /* We lose 4 bytes of "status" here, but we
1512 cannot free these because controller may
1513 awake and corrupt those bytes at any time */
1514 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1517 schedule_timeout_uninterruptible(1);
1518 } while (m
== EMPTY_QUEUE
);
1520 adpt_send_nop(pHba
, m
);
1522 adpt_i2o_status_get(pHba
);
1523 if(*status
== 0x02 ||
1524 pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
1525 printk(KERN_WARNING
"%s: Reset reject, trying to clear\n",
1528 PDEBUG("%s: Reset completed.\n", pHba
->name
);
1531 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
1533 // This delay is to allow someone attached to the card through the debug UART to
1534 // set up the dump levels that they want before the rest of the initialization sequence
1541 static int adpt_i2o_parse_lct(adpt_hba
* pHba
)
1546 struct i2o_device
*d
;
1547 i2o_lct
*lct
= pHba
->lct
;
1551 u32 buf
[10]; // larger than 7, or 8 ...
1552 struct adpt_device
* pDev
;
1555 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
1559 max
= lct
->table_size
;
1563 for(i
=0;i
<max
;i
++) {
1564 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
1566 * If we have hidden devices, we need to inform the upper layers about
1567 * the possible maximum id reference to handle device access when
1568 * an array is disassembled. This code has no other purpose but to
1569 * allow us future access to devices that are currently hidden
1570 * behind arrays, hotspares or have not been configured (JBOD mode).
1572 if( lct
->lct_entry
[i
].class_id
!= I2O_CLASS_RANDOM_BLOCK_STORAGE
&&
1573 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_SCSI_PERIPHERAL
&&
1574 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1577 tid
= lct
->lct_entry
[i
].tid
;
1578 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1579 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
1582 bus_no
= buf
[0]>>16;
1584 scsi_lun
= (buf
[2]>>8 )&0xff;
1585 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1586 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
1589 if (scsi_id
>= MAX_ID
){
1590 printk(KERN_WARNING
"%s: SCSI ID %d out of range \n", pHba
->name
, bus_no
);
1593 if(bus_no
> pHba
->top_scsi_channel
){
1594 pHba
->top_scsi_channel
= bus_no
;
1596 if(scsi_id
> pHba
->top_scsi_id
){
1597 pHba
->top_scsi_id
= scsi_id
;
1599 if(scsi_lun
> pHba
->top_scsi_lun
){
1600 pHba
->top_scsi_lun
= scsi_lun
;
1604 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
1607 printk(KERN_CRIT
"%s: Out of memory for I2O device data.\n",pHba
->name
);
1611 d
->controller
= pHba
;
1614 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
1617 tid
= d
->lct_data
.tid
;
1618 adpt_i2o_report_hba_unit(pHba
, d
);
1619 adpt_i2o_install_device(pHba
, d
);
1622 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1623 if(d
->lct_data
.class_id
== I2O_CLASS_BUS_ADAPTER_PORT
||
1624 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PORT
){
1625 tid
= d
->lct_data
.tid
;
1626 // TODO get the bus_no from hrt-but for now they are in order
1628 if(bus_no
> pHba
->top_scsi_channel
){
1629 pHba
->top_scsi_channel
= bus_no
;
1631 pHba
->channel
[bus_no
].type
= d
->lct_data
.class_id
;
1632 pHba
->channel
[bus_no
].tid
= tid
;
1633 if(adpt_i2o_query_scalar(pHba
, tid
, 0x0200, -1, buf
, 28)>=0)
1635 pHba
->channel
[bus_no
].scsi_id
= buf
[1];
1636 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no
, buf
[1]);
1638 // TODO remove - this is just until we get from hrt
1640 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1641 printk(KERN_WARNING
"%s: Channel number %d out of range - LCT\n", pHba
->name
, bus_no
);
1647 // Setup adpt_device table
1648 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1649 if(d
->lct_data
.class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
1650 d
->lct_data
.class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
1651 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1653 tid
= d
->lct_data
.tid
;
1655 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1656 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)>=0) {
1657 bus_no
= buf
[0]>>16;
1659 scsi_lun
= (buf
[2]>>8 )&0xff;
1660 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1663 if (scsi_id
>= MAX_ID
) {
1666 if( pHba
->channel
[bus_no
].device
[scsi_id
] == NULL
){
1667 pDev
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1671 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
1673 for( pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
1674 pDev
->next_lun
; pDev
= pDev
->next_lun
){
1676 pDev
->next_lun
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1677 if(pDev
->next_lun
== NULL
) {
1680 pDev
= pDev
->next_lun
;
1683 pDev
->scsi_channel
= bus_no
;
1684 pDev
->scsi_id
= scsi_id
;
1685 pDev
->scsi_lun
= scsi_lun
;
1688 pDev
->type
= (buf
[0])&0xff;
1689 pDev
->flags
= (buf
[0]>>8)&0xff;
1690 if(scsi_id
> pHba
->top_scsi_id
){
1691 pHba
->top_scsi_id
= scsi_id
;
1693 if(scsi_lun
> pHba
->top_scsi_lun
){
1694 pHba
->top_scsi_lun
= scsi_lun
;
1698 printk(KERN_WARNING
"Could not find SCSI ID for %s\n",
1699 d
->lct_data
.identity_tag
);
1708 * Each I2O controller has a chain of devices on it - these match
1709 * the useful parts of the LCT of the board.
1712 static int adpt_i2o_install_device(adpt_hba
* pHba
, struct i2o_device
*d
)
1714 mutex_lock(&adpt_configuration_lock
);
1717 d
->next
=pHba
->devices
;
1719 if (pHba
->devices
!= NULL
){
1720 pHba
->devices
->prev
=d
;
1725 mutex_unlock(&adpt_configuration_lock
);
1729 static int adpt_open(struct inode
*inode
, struct file
*file
)
1735 //TODO check for root access
1737 minor
= iminor(inode
);
1738 if (minor
>= hba_count
) {
1742 mutex_lock(&adpt_configuration_lock
);
1743 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1744 if (pHba
->unit
== minor
) {
1745 break; /* found adapter */
1749 mutex_unlock(&adpt_configuration_lock
);
1754 // if(pHba->in_use){
1755 // mutex_unlock(&adpt_configuration_lock);
1760 mutex_unlock(&adpt_configuration_lock
);
1766 static int adpt_close(struct inode
*inode
, struct file
*file
)
1771 minor
= iminor(inode
);
1772 if (minor
>= hba_count
) {
1775 mutex_lock(&adpt_configuration_lock
);
1776 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1777 if (pHba
->unit
== minor
) {
1778 break; /* found adapter */
1781 mutex_unlock(&adpt_configuration_lock
);
1792 static int adpt_i2o_passthru(adpt_hba
* pHba
, u32 __user
*arg
)
1794 u32 msg
[MAX_MESSAGE_SIZE
];
1798 u32 __user
*user_msg
= arg
;
1799 u32 __user
* user_reply
= NULL
;
1800 void *sg_list
[pHba
->sg_tablesize
];
1810 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1811 // get user msg size in u32s
1812 if(get_user(size
, &user_msg
[0])){
1817 user_reply
= &user_msg
[size
];
1818 if(size
> MAX_MESSAGE_SIZE
){
1821 size
*= 4; // Convert to bytes
1823 /* Copy in the user's I2O command */
1824 if(copy_from_user(msg
, user_msg
, size
)) {
1827 get_user(reply_size
, &user_reply
[0]);
1828 reply_size
= reply_size
>>16;
1829 if(reply_size
> REPLY_FRAME_SIZE
){
1830 reply_size
= REPLY_FRAME_SIZE
;
1833 reply
= kzalloc(REPLY_FRAME_SIZE
*4, GFP_KERNEL
);
1835 printk(KERN_WARNING
"%s: Could not allocate reply buffer\n",pHba
->name
);
1838 sg_offset
= (msg
[0]>>4)&0xf;
1839 msg
[2] = 0x40000000; // IOCTL context
1840 msg
[3] = adpt_ioctl_to_context(pHba
, reply
);
1841 if (msg
[3] == (u32
)-1)
1844 memset(sg_list
,0, sizeof(sg_list
[0])*pHba
->sg_tablesize
);
1846 // TODO add 64 bit API
1847 struct sg_simple_element
*sg
= (struct sg_simple_element
*) (msg
+sg_offset
);
1848 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1849 if (sg_count
> pHba
->sg_tablesize
){
1850 printk(KERN_DEBUG
"%s:IOCTL SG List too large (%u)\n", pHba
->name
,sg_count
);
1855 for(i
= 0; i
< sg_count
; i
++) {
1858 if (!(sg
[i
].flag_count
& 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1859 printk(KERN_DEBUG
"%s:Bad SG element %d - not simple (%x)\n",pHba
->name
,i
, sg
[i
].flag_count
);
1863 sg_size
= sg
[i
].flag_count
& 0xffffff;
1864 /* Allocate memory for the transfer */
1865 p
= dma_alloc_coherent(&pHba
->pDev
->dev
, sg_size
, &addr
, GFP_KERNEL
);
1867 printk(KERN_DEBUG
"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1868 pHba
->name
,sg_size
,i
,sg_count
);
1872 sg_list
[sg_index
++] = p
; // sglist indexed with input frame, not our internal frame.
1873 /* Copy in the user's SG buffer if necessary */
1874 if(sg
[i
].flag_count
& 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1875 // sg_simple_element API is 32 bit
1876 if (copy_from_user(p
,(void __user
*)(ulong
)sg
[i
].addr_bus
, sg_size
)) {
1877 printk(KERN_DEBUG
"%s: Could not copy SG buf %d FROM user\n",pHba
->name
,i
);
1882 /* sg_simple_element API is 32 bit, but addr < 4GB */
1883 sg
[i
].addr_bus
= addr
;
1889 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1890 // This state stops any new commands from enterring the
1891 // controller while processing the ioctl
1892 // pHba->state |= DPTI_STATE_IOCTL;
1893 // We can't set this now - The scsi subsystem sets host_blocked and
1894 // the queue empties and stops. We need a way to restart the queue
1895 rcode
= adpt_i2o_post_wait(pHba
, msg
, size
, FOREVER
);
1897 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1899 // pHba->state &= ~DPTI_STATE_IOCTL;
1901 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
1902 } while(rcode
== -ETIMEDOUT
);
1909 /* Copy back the Scatter Gather buffers back to user space */
1911 // TODO add 64 bit API
1912 struct sg_simple_element
* sg
;
1915 // re-acquire the original message to handle correctly the sg copy operation
1916 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1917 // get user msg size in u32s
1918 if(get_user(size
, &user_msg
[0])){
1924 if (size
> MAX_MESSAGE_SIZE
) {
1928 /* Copy in the user's I2O command */
1929 if (copy_from_user (msg
, user_msg
, size
)) {
1933 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1935 // TODO add 64 bit API
1936 sg
= (struct sg_simple_element
*)(msg
+ sg_offset
);
1937 for (j
= 0; j
< sg_count
; j
++) {
1938 /* Copy out the SG list to user's buffer if necessary */
1939 if(! (sg
[j
].flag_count
& 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1940 sg_size
= sg
[j
].flag_count
& 0xffffff;
1941 // sg_simple_element API is 32 bit
1942 if (copy_to_user((void __user
*)(ulong
)sg
[j
].addr_bus
,sg_list
[j
], sg_size
)) {
1943 printk(KERN_WARNING
"%s: Could not copy %p TO user %x\n",pHba
->name
, sg_list
[j
], sg
[j
].addr_bus
);
1951 /* Copy back the reply to user space */
1953 // we wrote our own values for context - now restore the user supplied ones
1954 if(copy_from_user(reply
+2, user_msg
+2, sizeof(u32
)*2)) {
1955 printk(KERN_WARNING
"%s: Could not copy message context FROM user\n",pHba
->name
);
1958 if(copy_to_user(user_reply
, reply
, reply_size
)) {
1959 printk(KERN_WARNING
"%s: Could not copy reply TO user\n",pHba
->name
);
1966 if (rcode
!= -ETIME
&& rcode
!= -EINTR
) {
1967 struct sg_simple_element
*sg
=
1968 (struct sg_simple_element
*) (msg
+sg_offset
);
1971 if(sg_list
[--sg_index
]) {
1972 dma_free_coherent(&pHba
->pDev
->dev
,
1973 sg
[sg_index
].flag_count
& 0xffffff,
1975 sg
[sg_index
].addr_bus
);
1982 #if defined __ia64__
1983 static void adpt_ia64_info(sysInfo_S
* si
)
1985 // This is all the info we need for now
1986 // We will add more info as our new
1987 // managmenent utility requires it
1988 si
->processorType
= PROC_IA64
;
1992 #if defined __sparc__
1993 static void adpt_sparc_info(sysInfo_S
* si
)
1995 // This is all the info we need for now
1996 // We will add more info as our new
1997 // managmenent utility requires it
1998 si
->processorType
= PROC_ULTRASPARC
;
2001 #if defined __alpha__
2002 static void adpt_alpha_info(sysInfo_S
* si
)
2004 // This is all the info we need for now
2005 // We will add more info as our new
2006 // managmenent utility requires it
2007 si
->processorType
= PROC_ALPHA
;
2011 #if defined __i386__
2012 static void adpt_i386_info(sysInfo_S
* si
)
2014 // This is all the info we need for now
2015 // We will add more info as our new
2016 // managmenent utility requires it
2017 switch (boot_cpu_data
.x86
) {
2019 si
->processorType
= PROC_386
;
2022 si
->processorType
= PROC_486
;
2025 si
->processorType
= PROC_PENTIUM
;
2027 default: // Just in case
2028 si
->processorType
= PROC_PENTIUM
;
2035 * This routine returns information about the system. This does not effect
2036 * any logic and if the info is wrong - it doesn't matter.
2039 /* Get all the info we can not get from kernel services */
2040 static int adpt_system_info(void __user
*buffer
)
2044 memset(&si
, 0, sizeof(si
));
2046 si
.osType
= OS_LINUX
;
2047 si
.osMajorVersion
= 0;
2048 si
.osMinorVersion
= 0;
2050 si
.busType
= SI_PCI_BUS
;
2051 si
.processorFamily
= DPTI_sig
.dsProcessorFamily
;
2053 #if defined __i386__
2054 adpt_i386_info(&si
);
2055 #elif defined (__ia64__)
2056 adpt_ia64_info(&si
);
2057 #elif defined(__sparc__)
2058 adpt_sparc_info(&si
);
2059 #elif defined (__alpha__)
2060 adpt_alpha_info(&si
);
2062 si
.processorType
= 0xff ;
2064 if (copy_to_user(buffer
, &si
, sizeof(si
))){
2065 printk(KERN_WARNING
"dpti: Could not copy buffer TO user\n");
2072 static int adpt_ioctl(struct inode
*inode
, struct file
*file
, uint cmd
,
2079 void __user
*argp
= (void __user
*)arg
;
2081 minor
= iminor(inode
);
2082 if (minor
>= DPTI_MAX_HBA
){
2085 mutex_lock(&adpt_configuration_lock
);
2086 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
2087 if (pHba
->unit
== minor
) {
2088 break; /* found adapter */
2091 mutex_unlock(&adpt_configuration_lock
);
2096 while((volatile u32
) pHba
->state
& DPTI_STATE_RESET
)
2097 schedule_timeout_uninterruptible(2);
2100 // TODO: handle 3 cases
2102 if (copy_to_user(argp
, &DPTI_sig
, sizeof(DPTI_sig
))) {
2107 return adpt_i2o_passthru(pHba
, argp
);
2110 drvrHBAinfo_S HbaInfo
;
2112 #define FLG_OSD_PCI_VALID 0x0001
2113 #define FLG_OSD_DMA 0x0002
2114 #define FLG_OSD_I2O 0x0004
2115 memset(&HbaInfo
, 0, sizeof(HbaInfo
));
2116 HbaInfo
.drvrHBAnum
= pHba
->unit
;
2117 HbaInfo
.baseAddr
= (ulong
) pHba
->base_addr_phys
;
2118 HbaInfo
.blinkState
= adpt_read_blink_led(pHba
);
2119 HbaInfo
.pciBusNum
= pHba
->pDev
->bus
->number
;
2120 HbaInfo
.pciDeviceNum
=PCI_SLOT(pHba
->pDev
->devfn
);
2121 HbaInfo
.Interrupt
= pHba
->pDev
->irq
;
2122 HbaInfo
.hbaFlags
= FLG_OSD_PCI_VALID
| FLG_OSD_DMA
| FLG_OSD_I2O
;
2123 if(copy_to_user(argp
, &HbaInfo
, sizeof(HbaInfo
))){
2124 printk(KERN_WARNING
"%s: Could not copy HbaInfo TO user\n",pHba
->name
);
2130 return adpt_system_info(argp
);
2133 value
= (u32
)adpt_read_blink_led(pHba
);
2134 if (copy_to_user(argp
, &value
, sizeof(value
))) {
2141 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2142 adpt_hba_reset(pHba
);
2144 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2156 #ifdef CONFIG_COMPAT
2157 static long compat_adpt_ioctl(struct file
*file
,
2158 unsigned int cmd
, unsigned long arg
)
2160 struct inode
*inode
;
2163 inode
= file
->f_dentry
->d_inode
;
2175 case (DPT_TARGET_BUSY
& 0xFFFF):
2176 case DPT_TARGET_BUSY
:
2177 ret
= adpt_ioctl(inode
, file
, cmd
, arg
);
2189 static irqreturn_t
adpt_isr(int irq
, void *dev_id
)
2191 struct scsi_cmnd
* cmd
;
2192 adpt_hba
* pHba
= dev_id
;
2194 void __iomem
*reply
;
2201 printk(KERN_WARNING
"adpt_isr: NULL dev_id\n");
2205 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2207 while( readl(pHba
->irq_mask
) & I2O_INTERRUPT_PENDING_B
) {
2208 m
= readl(pHba
->reply_port
);
2209 if(m
== EMPTY_QUEUE
){
2210 // Try twice then give up
2212 m
= readl(pHba
->reply_port
);
2213 if(m
== EMPTY_QUEUE
){
2214 // This really should not happen
2215 printk(KERN_ERR
"dpti: Could not get reply frame\n");
2219 if (pHba
->reply_pool_pa
<= m
&&
2220 m
< pHba
->reply_pool_pa
+
2221 (pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4)) {
2222 reply
= (u8
*)pHba
->reply_pool
+
2223 (m
- pHba
->reply_pool_pa
);
2225 /* Ick, we should *never* be here */
2226 printk(KERN_ERR
"dpti: reply frame not from pool\n");
2227 reply
= (u8
*)bus_to_virt(m
);
2230 if (readl(reply
) & MSG_FAIL
) {
2231 u32 old_m
= readl(reply
+28);
2234 PDEBUG("%s: Failed message\n",pHba
->name
);
2235 if(old_m
>= 0x100000){
2236 printk(KERN_ERR
"%s: Bad preserved MFA (%x)- dropping frame\n",pHba
->name
,old_m
);
2237 writel(m
,pHba
->reply_port
);
2240 // Transaction context is 0 in failed reply frame
2241 msg
= pHba
->msg_addr_virt
+ old_m
;
2242 old_context
= readl(msg
+12);
2243 writel(old_context
, reply
+12);
2244 adpt_send_nop(pHba
, old_m
);
2246 context
= readl(reply
+8);
2247 if(context
& 0x40000000){ // IOCTL
2248 void *p
= adpt_ioctl_from_context(pHba
, readl(reply
+12));
2250 memcpy_fromio(p
, reply
, REPLY_FRAME_SIZE
* 4);
2252 // All IOCTLs will also be post wait
2254 if(context
& 0x80000000){ // Post wait message
2255 status
= readl(reply
+16);
2257 status
&= 0xffff; /* Get detail status */
2259 status
= I2O_POST_WAIT_OK
;
2261 if(!(context
& 0x40000000)) {
2262 cmd
= adpt_cmd_from_context(pHba
,
2265 printk(KERN_WARNING
"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba
->name
, cmd
, context
);
2268 adpt_i2o_post_wait_complete(context
, status
);
2269 } else { // SCSI message
2270 cmd
= adpt_cmd_from_context (pHba
, readl(reply
+12));
2272 scsi_dma_unmap(cmd
);
2273 if(cmd
->serial_number
!= 0) { // If not timedout
2274 adpt_i2o_to_scsi(reply
, cmd
);
2278 writel(m
, pHba
->reply_port
);
2284 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2285 return IRQ_RETVAL(handled
);
2288 static s32
adpt_scsi_to_i2o(adpt_hba
* pHba
, struct scsi_cmnd
* cmd
, struct adpt_device
* d
)
2291 u32 msg
[MAX_MESSAGE_SIZE
];
2303 memset(msg
, 0 , sizeof(msg
));
2304 len
= scsi_bufflen(cmd
);
2305 direction
= 0x00000000;
2307 scsidir
= 0x00000000; // DATA NO XFER
2310 * Set SCBFlags to indicate if data is being transferred
2311 * in or out, or no data transfer
2312 * Note: Do not have to verify index is less than 0 since
2313 * cmd->cmnd[0] is an unsigned char
2315 switch(cmd
->sc_data_direction
){
2316 case DMA_FROM_DEVICE
:
2317 scsidir
=0x40000000; // DATA IN (iop<--dev)
2320 direction
=0x04000000; // SGL OUT
2321 scsidir
=0x80000000; // DATA OUT (iop-->dev)
2325 case DMA_BIDIRECTIONAL
:
2326 scsidir
=0x40000000; // DATA IN (iop<--dev)
2327 // Assume In - and continue;
2330 printk(KERN_WARNING
"%s: scsi opcode 0x%x not supported.\n",
2331 pHba
->name
, cmd
->cmnd
[0]);
2332 cmd
->result
= (DID_OK
<<16) | (INITIATOR_ERROR
<< 8);
2333 cmd
->scsi_done(cmd
);
2337 // msg[0] is set later
2338 // I2O_CMD_SCSI_EXEC
2339 msg
[1] = ((0xff<<24)|(HOST_TID
<<12)|d
->tid
);
2341 msg
[3] = adpt_cmd_to_context(cmd
); /* Want SCSI control block back */
2342 // Our cards use the transaction context as the tag for queueing
2343 // Adaptec/DPT Private stuff
2344 msg
[4] = I2O_CMD_SCSI_EXEC
|(DPT_ORGANIZATION_ID
<<16);
2346 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2347 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2348 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2349 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2350 msg
[6] = scsidir
|0x20a00000|cmd
->cmd_len
;
2354 // Write SCSI command into the message - always 16 byte block
2355 memset(mptr
, 0, 16);
2356 memcpy(mptr
, cmd
->cmnd
, cmd
->cmd_len
);
2358 lenptr
=mptr
++; /* Remember me - fill in when we know */
2359 if (dpt_dma64(pHba
)) {
2360 reqlen
= 16; // SINGLE SGE
2361 *mptr
++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
2362 *mptr
++ = 1 << PAGE_SHIFT
;
2364 reqlen
= 14; // SINGLE SGE
2366 /* Now fill in the SGList and command */
2368 nseg
= scsi_dma_map(cmd
);
2371 struct scatterlist
*sg
;
2374 scsi_for_each_sg(cmd
, sg
, nseg
, i
) {
2376 *mptr
++ = direction
|0x10000000|sg_dma_len(sg
);
2377 len
+=sg_dma_len(sg
);
2378 addr
= sg_dma_address(sg
);
2379 *mptr
++ = dma_low(addr
);
2380 if (dpt_dma64(pHba
))
2381 *mptr
++ = dma_high(addr
);
2382 /* Make this an end of list */
2384 *lptr
= direction
|0xD0000000|sg_dma_len(sg
);
2386 reqlen
= mptr
- msg
;
2389 if(cmd
->underflow
&& len
!= cmd
->underflow
){
2390 printk(KERN_WARNING
"Cmd len %08X Cmd underflow %08X\n",
2391 len
, cmd
->underflow
);
2398 /* Stick the headers on */
2399 msg
[0] = reqlen
<<16 | ((reqlen
> 12) ? SGL_OFFSET_12
: SGL_OFFSET_0
);
2401 // Send it on it's way
2402 rcode
= adpt_i2o_post_this(pHba
, msg
, reqlen
<<2);
2410 static s32
adpt_scsi_host_alloc(adpt_hba
* pHba
, struct scsi_host_template
*sht
)
2412 struct Scsi_Host
*host
;
2414 host
= scsi_host_alloc(sht
, sizeof(adpt_hba
*));
2416 printk("%s: scsi_host_alloc returned NULL\n", pHba
->name
);
2419 host
->hostdata
[0] = (unsigned long)pHba
;
2422 host
->irq
= pHba
->pDev
->irq
;
2423 /* no IO ports, so don't have to set host->io_port and
2427 host
->n_io_port
= 0;
2428 /* see comments in scsi_host.h */
2430 host
->max_lun
= 256;
2431 host
->max_channel
= pHba
->top_scsi_channel
+ 1;
2432 host
->cmd_per_lun
= 1;
2433 host
->unique_id
= (u32
)sys_tbl_pa
+ pHba
->unit
;
2434 host
->sg_tablesize
= pHba
->sg_tablesize
;
2435 host
->can_queue
= pHba
->post_fifo_size
;
2441 static s32
adpt_i2o_to_scsi(void __iomem
*reply
, struct scsi_cmnd
* cmd
)
2446 u32 reply_flags
= readl(reply
) & 0xff00; // Leave it shifted up 8 bits
2447 // I know this would look cleaner if I just read bytes
2448 // but the model I have been using for all the rest of the
2449 // io is in 4 byte words - so I keep that model
2450 u16 detailed_status
= readl(reply
+16) &0xffff;
2451 dev_status
= (detailed_status
& 0xff);
2452 hba_status
= detailed_status
>> 8;
2454 // calculate resid for sg
2455 scsi_set_resid(cmd
, scsi_bufflen(cmd
) - readl(reply
+20));
2457 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
2459 cmd
->sense_buffer
[0] = '\0'; // initialize sense valid flag to false
2461 if(!(reply_flags
& MSG_FAIL
)) {
2462 switch(detailed_status
& I2O_SCSI_DSC_MASK
) {
2463 case I2O_SCSI_DSC_SUCCESS
:
2464 cmd
->result
= (DID_OK
<< 16);
2466 if (readl(reply
+20) < cmd
->underflow
) {
2467 cmd
->result
= (DID_ERROR
<<16);
2468 printk(KERN_WARNING
"%s: SCSI CMD underflow\n",pHba
->name
);
2471 case I2O_SCSI_DSC_REQUEST_ABORTED
:
2472 cmd
->result
= (DID_ABORT
<< 16);
2474 case I2O_SCSI_DSC_PATH_INVALID
:
2475 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT
:
2476 case I2O_SCSI_DSC_SELECTION_TIMEOUT
:
2477 case I2O_SCSI_DSC_COMMAND_TIMEOUT
:
2478 case I2O_SCSI_DSC_NO_ADAPTER
:
2479 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE
:
2480 printk(KERN_WARNING
"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2481 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
, hba_status
, dev_status
, cmd
->cmnd
[0]);
2482 cmd
->result
= (DID_TIME_OUT
<< 16);
2484 case I2O_SCSI_DSC_ADAPTER_BUSY
:
2485 case I2O_SCSI_DSC_BUS_BUSY
:
2486 cmd
->result
= (DID_BUS_BUSY
<< 16);
2488 case I2O_SCSI_DSC_SCSI_BUS_RESET
:
2489 case I2O_SCSI_DSC_BDR_MESSAGE_SENT
:
2490 cmd
->result
= (DID_RESET
<< 16);
2492 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE
:
2493 printk(KERN_WARNING
"%s: SCSI CMD parity error\n",pHba
->name
);
2494 cmd
->result
= (DID_PARITY
<< 16);
2496 case I2O_SCSI_DSC_UNABLE_TO_ABORT
:
2497 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR
:
2498 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE
:
2499 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED
:
2500 case I2O_SCSI_DSC_AUTOSENSE_FAILED
:
2501 case I2O_SCSI_DSC_DATA_OVERRUN
:
2502 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE
:
2503 case I2O_SCSI_DSC_SEQUENCE_FAILURE
:
2504 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR
:
2505 case I2O_SCSI_DSC_PROVIDE_FAILURE
:
2506 case I2O_SCSI_DSC_REQUEST_TERMINATED
:
2507 case I2O_SCSI_DSC_IDE_MESSAGE_SENT
:
2508 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT
:
2509 case I2O_SCSI_DSC_MESSAGE_RECEIVED
:
2510 case I2O_SCSI_DSC_INVALID_CDB
:
2511 case I2O_SCSI_DSC_LUN_INVALID
:
2512 case I2O_SCSI_DSC_SCSI_TID_INVALID
:
2513 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE
:
2514 case I2O_SCSI_DSC_NO_NEXUS
:
2515 case I2O_SCSI_DSC_CDB_RECEIVED
:
2516 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED
:
2517 case I2O_SCSI_DSC_QUEUE_FROZEN
:
2518 case I2O_SCSI_DSC_REQUEST_INVALID
:
2520 printk(KERN_WARNING
"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2521 pHba
->name
, detailed_status
& I2O_SCSI_DSC_MASK
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2522 hba_status
, dev_status
, cmd
->cmnd
[0]);
2523 cmd
->result
= (DID_ERROR
<< 16);
2527 // copy over the request sense data if it was a check
2529 if (dev_status
== SAM_STAT_CHECK_CONDITION
) {
2530 u32 len
= min(SCSI_SENSE_BUFFERSIZE
, 40);
2531 // Copy over the sense data
2532 memcpy_fromio(cmd
->sense_buffer
, (reply
+28) , len
);
2533 if(cmd
->sense_buffer
[0] == 0x70 /* class 7 */ &&
2534 cmd
->sense_buffer
[2] == DATA_PROTECT
){
2535 /* This is to handle an array failed */
2536 cmd
->result
= (DID_TIME_OUT
<< 16);
2537 printk(KERN_WARNING
"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2538 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2539 hba_status
, dev_status
, cmd
->cmnd
[0]);
2544 /* In this condtion we could not talk to the tid
2545 * the card rejected it. We should signal a retry
2546 * for a limitted number of retries.
2548 cmd
->result
= (DID_TIME_OUT
<< 16);
2549 printk(KERN_WARNING
"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n",
2550 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2551 ((struct adpt_device
*)(cmd
->device
->hostdata
))->tid
, cmd
->cmnd
[0]);
2554 cmd
->result
|= (dev_status
);
2556 if(cmd
->scsi_done
!= NULL
){
2557 cmd
->scsi_done(cmd
);
2563 static s32
adpt_rescan(adpt_hba
* pHba
)
2569 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2570 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0)
2572 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0)
2576 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2581 static s32
adpt_i2o_reparse_lct(adpt_hba
* pHba
)
2586 struct i2o_device
*d
;
2587 i2o_lct
*lct
= pHba
->lct
;
2591 u32 buf
[10]; // at least 8 u32's
2592 struct adpt_device
* pDev
= NULL
;
2593 struct i2o_device
* pI2o_dev
= NULL
;
2596 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
2600 max
= lct
->table_size
;
2604 // Mark each drive as unscanned
2605 for (d
= pHba
->devices
; d
; d
= d
->next
) {
2606 pDev
=(struct adpt_device
*) d
->owner
;
2610 pDev
->state
|= DPTI_DEV_UNSCANNED
;
2613 printk(KERN_INFO
"%s: LCT has %d entries.\n", pHba
->name
,max
);
2615 for(i
=0;i
<max
;i
++) {
2616 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
2620 if( lct
->lct_entry
[i
].class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
2621 lct
->lct_entry
[i
].class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
2622 lct
->lct_entry
[i
].class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
2623 tid
= lct
->lct_entry
[i
].tid
;
2624 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
2625 printk(KERN_ERR
"%s: Could not query device\n",pHba
->name
);
2628 bus_no
= buf
[0]>>16;
2630 scsi_lun
= (buf
[2]>>8 )&0xff;
2631 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2634 if(pDev
->scsi_lun
== scsi_lun
) {
2637 pDev
= pDev
->next_lun
;
2639 if(!pDev
) { // Something new add it
2640 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
2643 printk(KERN_CRIT
"Out of memory for I2O device data.\n");
2647 d
->controller
= pHba
;
2650 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2653 adpt_i2o_report_hba_unit(pHba
, d
);
2654 adpt_i2o_install_device(pHba
, d
);
2656 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
2657 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
2660 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2662 pDev
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2666 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
2668 while (pDev
->next_lun
) {
2669 pDev
= pDev
->next_lun
;
2671 pDev
= pDev
->next_lun
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2676 pDev
->tid
= d
->lct_data
.tid
;
2677 pDev
->scsi_channel
= bus_no
;
2678 pDev
->scsi_id
= scsi_id
;
2679 pDev
->scsi_lun
= scsi_lun
;
2682 pDev
->type
= (buf
[0])&0xff;
2683 pDev
->flags
= (buf
[0]>>8)&0xff;
2684 // Too late, SCSI system has made up it's mind, but what the hey ...
2685 if(scsi_id
> pHba
->top_scsi_id
){
2686 pHba
->top_scsi_id
= scsi_id
;
2688 if(scsi_lun
> pHba
->top_scsi_lun
){
2689 pHba
->top_scsi_lun
= scsi_lun
;
2692 } // end of new i2o device
2694 // We found an old device - check it
2696 if(pDev
->scsi_lun
== scsi_lun
) {
2697 if(!scsi_device_online(pDev
->pScsi_dev
)) {
2698 printk(KERN_WARNING
"%s: Setting device (%d,%d,%d) back online\n",
2699 pHba
->name
,bus_no
,scsi_id
,scsi_lun
);
2700 if (pDev
->pScsi_dev
) {
2701 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_RUNNING
);
2705 if(d
->lct_data
.tid
!= tid
) { // something changed
2707 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2708 if (pDev
->pScsi_dev
) {
2709 pDev
->pScsi_dev
->changed
= TRUE
;
2710 pDev
->pScsi_dev
->removable
= TRUE
;
2713 // Found it - mark it scanned
2714 pDev
->state
= DPTI_DEV_ONLINE
;
2717 pDev
= pDev
->next_lun
;
2721 for (pI2o_dev
= pHba
->devices
; pI2o_dev
; pI2o_dev
= pI2o_dev
->next
) {
2722 pDev
=(struct adpt_device
*) pI2o_dev
->owner
;
2726 // Drive offline drives that previously existed but could not be found
2728 if (pDev
->state
& DPTI_DEV_UNSCANNED
){
2729 pDev
->state
= DPTI_DEV_OFFLINE
;
2730 printk(KERN_WARNING
"%s: Device (%d,%d,%d) offline\n",pHba
->name
,pDev
->scsi_channel
,pDev
->scsi_id
,pDev
->scsi_lun
);
2731 if (pDev
->pScsi_dev
) {
2732 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_OFFLINE
);
2739 static void adpt_fail_posted_scbs(adpt_hba
* pHba
)
2741 struct scsi_cmnd
* cmd
= NULL
;
2742 struct scsi_device
* d
= NULL
;
2744 shost_for_each_device(d
, pHba
->host
) {
2745 unsigned long flags
;
2746 spin_lock_irqsave(&d
->list_lock
, flags
);
2747 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
2748 if(cmd
->serial_number
== 0){
2751 cmd
->result
= (DID_OK
<< 16) | (QUEUE_FULL
<<1);
2752 cmd
->scsi_done(cmd
);
2754 spin_unlock_irqrestore(&d
->list_lock
, flags
);
2759 /*============================================================================
2760 * Routines from i2o subsystem
2761 *============================================================================
2767 * Bring an I2O controller into HOLD state. See the spec.
2769 static int adpt_i2o_activate_hba(adpt_hba
* pHba
)
2773 if(pHba
->initialized
) {
2774 if (adpt_i2o_status_get(pHba
) < 0) {
2775 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2776 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2779 if (adpt_i2o_status_get(pHba
) < 0) {
2780 printk(KERN_INFO
"HBA not responding.\n");
2785 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_FAULTED
) {
2786 printk(KERN_CRIT
"%s: hardware fault\n", pHba
->name
);
2790 if (pHba
->status_block
->iop_state
== ADAPTER_STATE_READY
||
2791 pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
||
2792 pHba
->status_block
->iop_state
== ADAPTER_STATE_HOLD
||
2793 pHba
->status_block
->iop_state
== ADAPTER_STATE_FAILED
) {
2794 adpt_i2o_reset_hba(pHba
);
2795 if (adpt_i2o_status_get(pHba
) < 0 || pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
2796 printk(KERN_ERR
"%s: Failed to initialize.\n", pHba
->name
);
2801 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2802 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2808 if (adpt_i2o_init_outbound_q(pHba
) < 0) {
2814 if (adpt_i2o_hrt_get(pHba
) < 0) {
2822 * Bring a controller online into OPERATIONAL state.
2825 static int adpt_i2o_online_hba(adpt_hba
* pHba
)
2827 if (adpt_i2o_systab_send(pHba
) < 0) {
2828 adpt_i2o_delete_hba(pHba
);
2831 /* In READY state */
2833 if (adpt_i2o_enable_hba(pHba
) < 0) {
2834 adpt_i2o_delete_hba(pHba
);
2838 /* In OPERATIONAL state */
2842 static s32
adpt_send_nop(adpt_hba
*pHba
,u32 m
)
2845 ulong timeout
= jiffies
+ 5*HZ
;
2847 while(m
== EMPTY_QUEUE
){
2849 m
= readl(pHba
->post_port
);
2850 if(m
!= EMPTY_QUEUE
){
2853 if(time_after(jiffies
,timeout
)){
2854 printk(KERN_ERR
"%s: Timeout waiting for message frame!\n",pHba
->name
);
2857 schedule_timeout_uninterruptible(1);
2859 msg
= (u32 __iomem
*)(pHba
->msg_addr_virt
+ m
);
2860 writel( THREE_WORD_MSG_SIZE
| SGL_OFFSET_0
,&msg
[0]);
2861 writel( I2O_CMD_UTIL_NOP
<< 24 | HOST_TID
<< 12 | 0,&msg
[1]);
2865 writel(m
, pHba
->post_port
);
2870 static s32
adpt_i2o_init_outbound_q(adpt_hba
* pHba
)
2874 u32 __iomem
*msg
= NULL
;
2876 ulong timeout
= jiffies
+ TMOUT_INITOUTBOUND
*HZ
;
2881 m
= readl(pHba
->post_port
);
2882 if (m
!= EMPTY_QUEUE
) {
2886 if(time_after(jiffies
,timeout
)){
2887 printk(KERN_WARNING
"%s: Timeout waiting for message frame\n",pHba
->name
);
2890 schedule_timeout_uninterruptible(1);
2891 } while(m
== EMPTY_QUEUE
);
2893 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2895 status
= dma_alloc_coherent(&pHba
->pDev
->dev
, 4, &addr
, GFP_KERNEL
);
2897 adpt_send_nop(pHba
, m
);
2898 printk(KERN_WARNING
"%s: IOP reset failed - no free memory.\n",
2902 memset(status
, 0, 4);
2904 writel(EIGHT_WORD_MSG_SIZE
| SGL_OFFSET_6
, &msg
[0]);
2905 writel(I2O_CMD_OUTBOUND_INIT
<<24 | HOST_TID
<<12 | ADAPTER_TID
, &msg
[1]);
2907 writel(0x0106, &msg
[3]); /* Transaction context */
2908 writel(4096, &msg
[4]); /* Host page frame size */
2909 writel((REPLY_FRAME_SIZE
)<<16|0x80, &msg
[5]); /* Outbound msg frame size and Initcode */
2910 writel(0xD0000004, &msg
[6]); /* Simple SG LE, EOB */
2911 writel((u32
)addr
, &msg
[7]);
2913 writel(m
, pHba
->post_port
);
2916 // Wait for the reply status to come back
2919 if (*status
!= 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2924 if(time_after(jiffies
,timeout
)){
2925 printk(KERN_WARNING
"%s: Timeout Initializing\n",pHba
->name
);
2926 /* We lose 4 bytes of "status" here, but we
2927 cannot free these because controller may
2928 awake and corrupt those bytes at any time */
2929 /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
2932 schedule_timeout_uninterruptible(1);
2935 // If the command was successful, fill the fifo with our reply
2937 if(*status
!= 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2938 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
2941 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
2943 if(pHba
->reply_pool
!= NULL
) {
2944 dma_free_coherent(&pHba
->pDev
->dev
,
2945 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
2946 pHba
->reply_pool
, pHba
->reply_pool_pa
);
2949 pHba
->reply_pool
= dma_alloc_coherent(&pHba
->pDev
->dev
,
2950 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
2951 &pHba
->reply_pool_pa
, GFP_KERNEL
);
2952 if (!pHba
->reply_pool
) {
2953 printk(KERN_ERR
"%s: Could not allocate reply pool\n", pHba
->name
);
2956 memset(pHba
->reply_pool
, 0 , pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4);
2958 for(i
= 0; i
< pHba
->reply_fifo_size
; i
++) {
2959 writel(pHba
->reply_pool_pa
+ (i
* REPLY_FRAME_SIZE
* 4),
2963 adpt_i2o_status_get(pHba
);
2969 * I2O System Table. Contains information about
2970 * all the IOPs in the system. Used to inform IOPs
2971 * about each other's existence.
2973 * sys_tbl_ver is the CurrentChangeIndicator that is
2974 * used by IOPs to track changes.
2979 static s32
adpt_i2o_status_get(adpt_hba
* pHba
)
2984 u8
*status_block
=NULL
;
2986 if(pHba
->status_block
== NULL
) {
2987 pHba
->status_block
= dma_alloc_coherent(&pHba
->pDev
->dev
,
2988 sizeof(i2o_status_block
),
2989 &pHba
->status_block_pa
, GFP_KERNEL
);
2990 if(pHba
->status_block
== NULL
) {
2992 "dpti%d: Get Status Block failed; Out of memory. \n",
2997 memset(pHba
->status_block
, 0, sizeof(i2o_status_block
));
2998 status_block
= (u8
*)(pHba
->status_block
);
2999 timeout
= jiffies
+TMOUT_GETSTATUS
*HZ
;
3002 m
= readl(pHba
->post_port
);
3003 if (m
!= EMPTY_QUEUE
) {
3006 if(time_after(jiffies
,timeout
)){
3007 printk(KERN_ERR
"%s: Timeout waiting for message !\n",
3011 schedule_timeout_uninterruptible(1);
3012 } while(m
==EMPTY_QUEUE
);
3015 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
3017 writel(NINE_WORD_MSG_SIZE
|SGL_OFFSET_0
, &msg
[0]);
3018 writel(I2O_CMD_STATUS_GET
<<24|HOST_TID
<<12|ADAPTER_TID
, &msg
[1]);
3023 writel( dma_low(pHba
->status_block_pa
), &msg
[6]);
3024 writel( dma_high(pHba
->status_block_pa
), &msg
[7]);
3025 writel(sizeof(i2o_status_block
), &msg
[8]); // 88 bytes
3028 writel(m
, pHba
->post_port
);
3031 while(status_block
[87]!=0xff){
3032 if(time_after(jiffies
,timeout
)){
3033 printk(KERN_ERR
"dpti%d: Get status timeout.\n",
3038 schedule_timeout_uninterruptible(1);
3041 // Set up our number of outbound and inbound messages
3042 pHba
->post_fifo_size
= pHba
->status_block
->max_inbound_frames
;
3043 if (pHba
->post_fifo_size
> MAX_TO_IOP_MESSAGES
) {
3044 pHba
->post_fifo_size
= MAX_TO_IOP_MESSAGES
;
3047 pHba
->reply_fifo_size
= pHba
->status_block
->max_outbound_frames
;
3048 if (pHba
->reply_fifo_size
> MAX_FROM_IOP_MESSAGES
) {
3049 pHba
->reply_fifo_size
= MAX_FROM_IOP_MESSAGES
;
3052 // Calculate the Scatter Gather list size
3053 if (dpt_dma64(pHba
)) {
3055 = ((pHba
->status_block
->inbound_frame_size
* 4
3057 / (sizeof(struct sg_simple_element
) + sizeof(u32
)));
3060 = ((pHba
->status_block
->inbound_frame_size
* 4
3062 / sizeof(struct sg_simple_element
));
3064 if (pHba
->sg_tablesize
> SG_LIST_ELEMENTS
) {
3065 pHba
->sg_tablesize
= SG_LIST_ELEMENTS
;
3070 printk("dpti%d: State = ",pHba
->unit
);
3071 switch(pHba
->status_block
->iop_state
) {
3085 printk("OPERATIONAL\n");
3091 printk("FAULTED\n");
3094 printk("%x (unknown!!)\n",pHba
->status_block
->iop_state
);
3101 * Get the IOP's Logical Configuration Table
3103 static int adpt_i2o_lct_get(adpt_hba
* pHba
)
3109 if ((pHba
->lct_size
== 0) || (pHba
->lct
== NULL
)){
3110 pHba
->lct_size
= pHba
->status_block
->expected_lct_size
;
3113 if (pHba
->lct
== NULL
) {
3114 pHba
->lct
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3115 pHba
->lct_size
, &pHba
->lct_pa
,
3117 if(pHba
->lct
== NULL
) {
3118 printk(KERN_CRIT
"%s: Lct Get failed. Out of memory.\n",
3123 memset(pHba
->lct
, 0, pHba
->lct_size
);
3125 msg
[0] = EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_6
;
3126 msg
[1] = I2O_CMD_LCT_NOTIFY
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3129 msg
[4] = 0xFFFFFFFF; /* All devices */
3130 msg
[5] = 0x00000000; /* Report now */
3131 msg
[6] = 0xD0000000|pHba
->lct_size
;
3132 msg
[7] = (u32
)pHba
->lct_pa
;
3134 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 360))) {
3135 printk(KERN_ERR
"%s: LCT Get failed (status=%#10x.\n",
3137 printk(KERN_ERR
"Adaptec: Error Reading Hardware.\n");
3141 if ((pHba
->lct
->table_size
<< 2) > pHba
->lct_size
) {
3142 pHba
->lct_size
= pHba
->lct
->table_size
<< 2;
3143 dma_free_coherent(&pHba
->pDev
->dev
, pHba
->lct_size
,
3144 pHba
->lct
, pHba
->lct_pa
);
3147 } while (pHba
->lct
== NULL
);
3149 PDEBUG("%s: Hardware resource table read.\n", pHba
->name
);
3152 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
3153 if(adpt_i2o_query_scalar(pHba
, 0 , 0x8000, -1, buf
, sizeof(buf
))>=0) {
3154 pHba
->FwDebugBufferSize
= buf
[1];
3155 pHba
->FwDebugBuffer_P
= ioremap(pHba
->base_addr_phys
+ buf
[0],
3156 pHba
->FwDebugBufferSize
);
3157 if (pHba
->FwDebugBuffer_P
) {
3158 pHba
->FwDebugFlags_P
= pHba
->FwDebugBuffer_P
+
3159 FW_DEBUG_FLAGS_OFFSET
;
3160 pHba
->FwDebugBLEDvalue_P
= pHba
->FwDebugBuffer_P
+
3161 FW_DEBUG_BLED_OFFSET
;
3162 pHba
->FwDebugBLEDflag_P
= pHba
->FwDebugBLEDvalue_P
+ 1;
3163 pHba
->FwDebugStrLength_P
= pHba
->FwDebugBuffer_P
+
3164 FW_DEBUG_STR_LENGTH_OFFSET
;
3165 pHba
->FwDebugBuffer_P
+= buf
[2];
3166 pHba
->FwDebugFlags
= 0;
3173 static int adpt_i2o_build_sys_table(void)
3175 adpt_hba
* pHba
= hba_chain
;
3179 dma_free_coherent(&pHba
->pDev
->dev
, sys_tbl_len
,
3180 sys_tbl
, sys_tbl_pa
);
3182 sys_tbl_len
= sizeof(struct i2o_sys_tbl
) + // Header + IOPs
3183 (hba_count
) * sizeof(struct i2o_sys_tbl_entry
);
3185 sys_tbl
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3186 sys_tbl_len
, &sys_tbl_pa
, GFP_KERNEL
);
3188 printk(KERN_WARNING
"SysTab Set failed. Out of memory.\n");
3191 memset(sys_tbl
, 0, sys_tbl_len
);
3193 sys_tbl
->num_entries
= hba_count
;
3194 sys_tbl
->version
= I2OVERSION
;
3195 sys_tbl
->change_ind
= sys_tbl_ind
++;
3197 for(pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
3199 // Get updated Status Block so we have the latest information
3200 if (adpt_i2o_status_get(pHba
)) {
3201 sys_tbl
->num_entries
--;
3202 continue; // try next one
3205 sys_tbl
->iops
[count
].org_id
= pHba
->status_block
->org_id
;
3206 sys_tbl
->iops
[count
].iop_id
= pHba
->unit
+ 2;
3207 sys_tbl
->iops
[count
].seg_num
= 0;
3208 sys_tbl
->iops
[count
].i2o_version
= pHba
->status_block
->i2o_version
;
3209 sys_tbl
->iops
[count
].iop_state
= pHba
->status_block
->iop_state
;
3210 sys_tbl
->iops
[count
].msg_type
= pHba
->status_block
->msg_type
;
3211 sys_tbl
->iops
[count
].frame_size
= pHba
->status_block
->inbound_frame_size
;
3212 sys_tbl
->iops
[count
].last_changed
= sys_tbl_ind
- 1; // ??
3213 sys_tbl
->iops
[count
].iop_capabilities
= pHba
->status_block
->iop_capabilities
;
3214 addr
= pHba
->base_addr_phys
+ 0x40;
3215 sys_tbl
->iops
[count
].inbound_low
= dma_low(addr
);
3216 sys_tbl
->iops
[count
].inbound_high
= dma_high(addr
);
3223 u32
*table
= (u32
*)sys_tbl
;
3224 printk(KERN_DEBUG
"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len
>>2));
3225 for(count
= 0; count
< (sys_tbl_len
>>2); count
++) {
3226 printk(KERN_INFO
"sys_tbl[%d] = %0#10x\n",
3227 count
, table
[count
]);
3237 * Dump the information block associated with a given unit (TID)
3240 static void adpt_i2o_report_hba_unit(adpt_hba
* pHba
, struct i2o_device
*d
)
3243 int unit
= d
->lct_data
.tid
;
3245 printk(KERN_INFO
"TID %3.3d ", unit
);
3247 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 3, buf
, 16)>=0)
3250 printk(" Vendor: %-12.12s", buf
);
3252 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 4, buf
, 16)>=0)
3255 printk(" Device: %-12.12s", buf
);
3257 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 6, buf
, 8)>=0)
3260 printk(" Rev: %-12.12s\n", buf
);
3263 printk(KERN_INFO
"\tClass: %.21s\n", adpt_i2o_get_class_name(d
->lct_data
.class_id
));
3264 printk(KERN_INFO
"\tSubclass: 0x%04X\n", d
->lct_data
.sub_class
);
3265 printk(KERN_INFO
"\tFlags: ");
3267 if(d
->lct_data
.device_flags
&(1<<0))
3268 printk("C"); // ConfigDialog requested
3269 if(d
->lct_data
.device_flags
&(1<<1))
3270 printk("U"); // Multi-user capable
3271 if(!(d
->lct_data
.device_flags
&(1<<4)))
3272 printk("P"); // Peer service enabled!
3273 if(!(d
->lct_data
.device_flags
&(1<<5)))
3274 printk("M"); // Mgmt service enabled!
3281 * Do i2o class name lookup
3283 static const char *adpt_i2o_get_class_name(int class)
3286 static char *i2o_class_name
[] = {
3288 "Device Driver Module",
3293 "Fibre Channel Port",
3294 "Fibre Channel Device",
3298 "Floppy Controller",
3300 "Secondary Bus Port",
3301 "Peer Transport Agent",
3306 switch(class&0xFFF) {
3307 case I2O_CLASS_EXECUTIVE
:
3311 case I2O_CLASS_RANDOM_BLOCK_STORAGE
:
3313 case I2O_CLASS_SEQUENTIAL_STORAGE
:
3319 case I2O_CLASS_FIBRE_CHANNEL_PORT
:
3321 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
:
3323 case I2O_CLASS_SCSI_PERIPHERAL
:
3325 case I2O_CLASS_ATE_PORT
:
3327 case I2O_CLASS_ATE_PERIPHERAL
:
3329 case I2O_CLASS_FLOPPY_CONTROLLER
:
3331 case I2O_CLASS_FLOPPY_DEVICE
:
3333 case I2O_CLASS_BUS_ADAPTER_PORT
:
3335 case I2O_CLASS_PEER_TRANSPORT_AGENT
:
3337 case I2O_CLASS_PEER_TRANSPORT
:
3340 return i2o_class_name
[idx
];
3345 static s32
adpt_i2o_hrt_get(adpt_hba
* pHba
)
3348 int ret
, size
= sizeof(i2o_hrt
);
3351 if (pHba
->hrt
== NULL
) {
3352 pHba
->hrt
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3353 size
, &pHba
->hrt_pa
, GFP_KERNEL
);
3354 if (pHba
->hrt
== NULL
) {
3355 printk(KERN_CRIT
"%s: Hrt Get failed; Out of memory.\n", pHba
->name
);
3360 msg
[0]= SIX_WORD_MSG_SIZE
| SGL_OFFSET_4
;
3361 msg
[1]= I2O_CMD_HRT_GET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3364 msg
[4]= (0xD0000000 | size
); /* Simple transaction */
3365 msg
[5]= (u32
)pHba
->hrt_pa
; /* Dump it here */
3367 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
),20))) {
3368 printk(KERN_ERR
"%s: Unable to get HRT (status=%#10x)\n", pHba
->name
, ret
);
3372 if (pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2 > size
) {
3373 int newsize
= pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2;
3374 dma_free_coherent(&pHba
->pDev
->dev
, size
,
3375 pHba
->hrt
, pHba
->hrt_pa
);
3379 } while(pHba
->hrt
== NULL
);
3384 * Query one scalar group value or a whole scalar group.
3386 static int adpt_i2o_query_scalar(adpt_hba
* pHba
, int tid
,
3387 int group
, int field
, void *buf
, int buflen
)
3389 u16 opblk
[] = { 1, 0, I2O_PARAMS_FIELD_GET
, group
, 1, field
};
3391 dma_addr_t opblk_pa
;
3393 dma_addr_t resblk_pa
;
3397 /* 8 bytes for header */
3398 resblk_va
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3399 sizeof(u8
) * (8 + buflen
), &resblk_pa
, GFP_KERNEL
);
3400 if (resblk_va
== NULL
) {
3401 printk(KERN_CRIT
"%s: query scalar failed; Out of memory.\n", pHba
->name
);
3405 opblk_va
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3406 sizeof(opblk
), &opblk_pa
, GFP_KERNEL
);
3407 if (opblk_va
== NULL
) {
3408 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3409 resblk_va
, resblk_pa
);
3410 printk(KERN_CRIT
"%s: query operatio failed; Out of memory.\n",
3414 if (field
== -1) /* whole group */
3417 memcpy(opblk_va
, opblk
, sizeof(opblk
));
3418 size
= adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET
, pHba
, tid
,
3419 opblk_va
, opblk_pa
, sizeof(opblk
),
3420 resblk_va
, resblk_pa
, sizeof(u8
)*(8+buflen
));
3421 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(opblk
), opblk_va
, opblk_pa
);
3422 if (size
== -ETIME
) {
3423 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3424 resblk_va
, resblk_pa
);
3425 printk(KERN_WARNING
"%s: issue params failed; Timed out.\n", pHba
->name
);
3427 } else if (size
== -EINTR
) {
3428 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3429 resblk_va
, resblk_pa
);
3430 printk(KERN_WARNING
"%s: issue params failed; Interrupted.\n", pHba
->name
);
3434 memcpy(buf
, resblk_va
+8, buflen
); /* cut off header */
3436 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3437 resblk_va
, resblk_pa
);
3445 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3447 * This function can be used for all UtilParamsGet/Set operations.
3448 * The OperationBlock is given in opblk-buffer,
3449 * and results are returned in resblk-buffer.
3450 * Note that the minimum sized resblk is 8 bytes and contains
3451 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3453 static int adpt_i2o_issue_params(int cmd
, adpt_hba
* pHba
, int tid
,
3454 void *opblk_va
, dma_addr_t opblk_pa
, int oplen
,
3455 void *resblk_va
, dma_addr_t resblk_pa
, int reslen
)
3458 u32
*res
= (u32
*)resblk_va
;
3461 msg
[0] = NINE_WORD_MSG_SIZE
| SGL_OFFSET_5
;
3462 msg
[1] = cmd
<< 24 | HOST_TID
<< 12 | tid
;
3466 msg
[5] = 0x54000000 | oplen
; /* OperationBlock */
3467 msg
[6] = (u32
)opblk_pa
;
3468 msg
[7] = 0xD0000000 | reslen
; /* ResultBlock */
3469 msg
[8] = (u32
)resblk_pa
;
3471 if ((wait_status
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 20))) {
3472 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va
);
3473 return wait_status
; /* -DetailedStatus */
3476 if (res
[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3477 printk(KERN_WARNING
"%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3478 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3480 (cmd
== I2O_CMD_UTIL_PARAMS_SET
) ? "PARAMS_SET"
3482 res
[1]>>24, (res
[1]>>16)&0xFF, res
[1]&0xFFFF);
3483 return -((res
[1] >> 16) & 0xFF); /* -BlockStatus */
3486 return 4 + ((res
[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3490 static s32
adpt_i2o_quiesce_hba(adpt_hba
* pHba
)
3495 adpt_i2o_status_get(pHba
);
3497 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3499 if((pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
) &&
3500 (pHba
->status_block
->iop_state
!= ADAPTER_STATE_OPERATIONAL
)){
3504 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3505 msg
[1] = I2O_CMD_SYS_QUIESCE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3509 if((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3510 printk(KERN_INFO
"dpti%d: Unable to quiesce (status=%#x).\n",
3513 printk(KERN_INFO
"dpti%d: Quiesced.\n",pHba
->unit
);
3516 adpt_i2o_status_get(pHba
);
3522 * Enable IOP. Allows the IOP to resume external operations.
3524 static int adpt_i2o_enable_hba(adpt_hba
* pHba
)
3529 adpt_i2o_status_get(pHba
);
3530 if(!pHba
->status_block
){
3533 /* Enable only allowed on READY state */
3534 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
)
3537 if(pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
)
3540 msg
[0]=FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3541 msg
[1]=I2O_CMD_SYS_ENABLE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3545 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3546 printk(KERN_WARNING
"%s: Could not enable (status=%#10x).\n",
3549 PDEBUG("%s: Enabled.\n", pHba
->name
);
3552 adpt_i2o_status_get(pHba
);
3557 static int adpt_i2o_systab_send(adpt_hba
* pHba
)
3562 msg
[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6
;
3563 msg
[1] = I2O_CMD_SYS_TAB_SET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3566 msg
[4] = (0<<16) | ((pHba
->unit
+2) << 12); /* Host 0 IOP ID (unit + 2) */
3567 msg
[5] = 0; /* Segment 0 */
3570 * Provide three SGL-elements:
3571 * System table (SysTab), Private memory space declaration and
3572 * Private i/o space declaration
3574 msg
[6] = 0x54000000 | sys_tbl_len
;
3575 msg
[7] = (u32
)sys_tbl_pa
;
3576 msg
[8] = 0x54000000 | 0;
3578 msg
[10] = 0xD4000000 | 0;
3581 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 120))) {
3582 printk(KERN_INFO
"%s: Unable to set SysTab (status=%#10x).\n",
3587 PINFO("%s: SysTab set.\n", pHba
->name
);
3595 /*============================================================================
3597 *============================================================================
3603 static static void adpt_delay(int millisec
)
3606 for (i
= 0; i
< millisec
; i
++) {
3607 udelay(1000); /* delay for one millisecond */
3613 static struct scsi_host_template driver_template
= {
3614 .module
= THIS_MODULE
,
3616 .proc_name
= "dpt_i2o",
3617 .proc_info
= adpt_proc_info
,
3619 .queuecommand
= adpt_queue
,
3620 .eh_abort_handler
= adpt_abort
,
3621 .eh_device_reset_handler
= adpt_device_reset
,
3622 .eh_bus_reset_handler
= adpt_bus_reset
,
3623 .eh_host_reset_handler
= adpt_reset
,
3624 .bios_param
= adpt_bios_param
,
3625 .slave_configure
= adpt_slave_configure
,
3626 .can_queue
= MAX_TO_IOP_MESSAGES
,
3629 .use_clustering
= ENABLE_CLUSTERING
,
3632 static int __init
adpt_init(void)
3635 adpt_hba
*pHba
, *next
;
3637 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION
"\n");
3639 error
= adpt_detect(&driver_template
);
3642 if (hba_chain
== NULL
)
3645 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
3646 error
= scsi_add_host(pHba
->host
, &pHba
->pDev
->dev
);
3649 scsi_scan_host(pHba
->host
);
3653 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
3655 scsi_remove_host(pHba
->host
);
3660 static void __exit
adpt_exit(void)
3662 adpt_hba
*pHba
, *next
;
3664 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
)
3665 scsi_remove_host(pHba
->host
);
3666 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
3668 adpt_release(pHba
->host
);
3672 module_init(adpt_init
);
3673 module_exit(adpt_exit
);
3675 MODULE_LICENSE("GPL");