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/spinlock.h>
53 #include <linux/dma-mapping.h>
55 #include <linux/timer.h>
56 #include <linux/string.h>
57 #include <linux/ioport.h>
58 #include <linux/mutex.h>
60 #include <asm/processor.h> /* for boot_cpu_data */
61 #include <asm/pgtable.h>
62 #include <asm/io.h> /* for virt_to_bus, etc. */
64 #include <scsi/scsi.h>
65 #include <scsi/scsi_cmnd.h>
66 #include <scsi/scsi_device.h>
67 #include <scsi/scsi_host.h>
68 #include <scsi/scsi_tcq.h>
70 #include "dpt/dptsig.h"
73 /*============================================================================
74 * Create a binary signature - this is read by dptsig
75 * Needed for our management apps
76 *============================================================================
78 static dpt_sig_S DPTI_sig
= {
79 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION
,
81 PROC_INTEL
, PROC_386
| PROC_486
| PROC_PENTIUM
| PROC_SEXIUM
,
82 #elif defined(__ia64__)
83 PROC_INTEL
, PROC_IA64
,
84 #elif defined(__sparc__)
85 PROC_ULTRASPARC
, PROC_ULTRASPARC
,
86 #elif defined(__alpha__)
87 PROC_ALPHA
, PROC_ALPHA
,
91 FT_HBADRVR
, 0, OEM_DPT
, OS_LINUX
, CAP_OVERLAP
, DEV_ALL
,
92 ADF_ALL_SC5
, 0, 0, DPT_VERSION
, DPT_REVISION
, DPT_SUBREVISION
,
93 DPT_MONTH
, DPT_DAY
, DPT_YEAR
, "Adaptec Linux I2O RAID Driver"
99 /*============================================================================
101 *============================================================================
104 static DEFINE_MUTEX(adpt_configuration_lock
);
106 static struct i2o_sys_tbl
*sys_tbl
;
107 static dma_addr_t sys_tbl_pa
;
108 static int sys_tbl_ind
;
109 static int sys_tbl_len
;
111 static adpt_hba
* hba_chain
= NULL
;
112 static int hba_count
= 0;
114 static struct class *adpt_sysfs_class
;
117 static long compat_adpt_ioctl(struct file
*, unsigned int, unsigned long);
120 static const struct file_operations adpt_fops
= {
123 .release
= adpt_close
,
125 .compat_ioctl
= compat_adpt_ioctl
,
129 /* Structures and definitions for synchronous message posting.
130 * See adpt_i2o_post_wait() for description
132 struct adpt_i2o_post_wait_data
136 adpt_wait_queue_head_t
*wq
;
137 struct adpt_i2o_post_wait_data
*next
;
140 static struct adpt_i2o_post_wait_data
*adpt_post_wait_queue
= NULL
;
141 static u32 adpt_post_wait_id
= 0;
142 static DEFINE_SPINLOCK(adpt_post_wait_lock
);
145 /*============================================================================
147 *============================================================================
150 static inline int dpt_dma64(adpt_hba
*pHba
)
152 return (sizeof(dma_addr_t
) > 4 && (pHba
)->dma64
);
155 static inline u32
dma_high(dma_addr_t addr
)
157 return upper_32_bits(addr
);
160 static inline u32
dma_low(dma_addr_t addr
)
165 static u8
adpt_read_blink_led(adpt_hba
* host
)
167 if (host
->FwDebugBLEDflag_P
) {
168 if( readb(host
->FwDebugBLEDflag_P
) == 0xbc ){
169 return readb(host
->FwDebugBLEDvalue_P
);
175 /*============================================================================
176 * Scsi host template interface functions
177 *============================================================================
180 static struct pci_device_id dptids
[] = {
181 { PCI_DPT_VENDOR_ID
, PCI_DPT_DEVICE_ID
, PCI_ANY_ID
, PCI_ANY_ID
,},
182 { PCI_DPT_VENDOR_ID
, PCI_DPT_RAPTOR_DEVICE_ID
, PCI_ANY_ID
, PCI_ANY_ID
,},
185 MODULE_DEVICE_TABLE(pci
,dptids
);
187 static int adpt_detect(struct scsi_host_template
* sht
)
189 struct pci_dev
*pDev
= NULL
;
192 PINFO("Detecting Adaptec I2O RAID controllers...\n");
194 /* search for all Adatpec I2O RAID cards */
195 while ((pDev
= pci_get_device( PCI_DPT_VENDOR_ID
, PCI_ANY_ID
, pDev
))) {
196 if(pDev
->device
== PCI_DPT_DEVICE_ID
||
197 pDev
->device
== PCI_DPT_RAPTOR_DEVICE_ID
){
198 if(adpt_install_hba(sht
, pDev
) ){
199 PERROR("Could not Init an I2O RAID device\n");
200 PERROR("Will not try to detect others.\n");
207 /* In INIT state, Activate IOPs */
208 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
209 // Activate does get status , init outbound, and get hrt
210 if (adpt_i2o_activate_hba(pHba
) < 0) {
211 adpt_i2o_delete_hba(pHba
);
216 /* Active IOPs in HOLD state */
219 if (hba_chain
== NULL
)
223 * If build_sys_table fails, we kill everything and bail
224 * as we can't init the IOPs w/o a system table
226 if (adpt_i2o_build_sys_table() < 0) {
227 adpt_i2o_sys_shutdown();
231 PDEBUG("HBA's in HOLD state\n");
233 /* If IOP don't get online, we need to rebuild the System table */
234 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
235 if (adpt_i2o_online_hba(pHba
) < 0) {
236 adpt_i2o_delete_hba(pHba
);
237 goto rebuild_sys_tab
;
241 /* Active IOPs now in OPERATIONAL state */
242 PDEBUG("HBA's in OPERATIONAL state\n");
244 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
245 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
246 printk(KERN_INFO
"%s: Reading the hardware resource table.\n", pHba
->name
);
247 if (adpt_i2o_lct_get(pHba
) < 0){
248 adpt_i2o_delete_hba(pHba
);
252 if (adpt_i2o_parse_lct(pHba
) < 0){
253 adpt_i2o_delete_hba(pHba
);
259 adpt_sysfs_class
= class_create(THIS_MODULE
, "dpt_i2o");
260 if (IS_ERR(adpt_sysfs_class
)) {
261 printk(KERN_WARNING
"dpti: unable to create dpt_i2o class\n");
262 adpt_sysfs_class
= NULL
;
265 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
266 if (adpt_scsi_host_alloc(pHba
, sht
) < 0){
267 adpt_i2o_delete_hba(pHba
);
270 pHba
->initialized
= TRUE
;
271 pHba
->state
&= ~DPTI_STATE_RESET
;
272 if (adpt_sysfs_class
) {
273 struct device
*dev
= device_create(adpt_sysfs_class
,
274 NULL
, MKDEV(DPTI_I2O_MAJOR
, pHba
->unit
),
275 "dpti%d", pHba
->unit
);
277 printk(KERN_WARNING
"dpti%d: unable to "
278 "create device in dpt_i2o class\n",
284 // Register our control device node
285 // nodes will need to be created in /dev to access this
286 // the nodes can not be created from within the driver
287 if (hba_count
&& register_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
, &adpt_fops
)) {
288 adpt_i2o_sys_shutdown();
296 * scsi_unregister will be called AFTER we return.
298 static int adpt_release(struct Scsi_Host
*host
)
300 adpt_hba
* pHba
= (adpt_hba
*) host
->hostdata
[0];
301 // adpt_i2o_quiesce_hba(pHba);
302 adpt_i2o_delete_hba(pHba
);
303 scsi_unregister(host
);
308 static void adpt_inquiry(adpt_hba
* pHba
)
322 memset(msg
, 0, sizeof(msg
));
323 buf
= dma_alloc_coherent(&pHba
->pDev
->dev
, 80, &addr
, GFP_KERNEL
);
325 printk(KERN_ERR
"%s: Could not allocate buffer\n",pHba
->name
);
328 memset((void*)buf
, 0, 36);
331 direction
= 0x00000000;
332 scsidir
=0x40000000; // DATA IN (iop<--dev)
335 reqlen
= 17; // SINGLE SGE, 64 bit
337 reqlen
= 14; // SINGLE SGE, 32 bit
338 /* Stick the headers on */
339 msg
[0] = reqlen
<<16 | SGL_OFFSET_12
;
340 msg
[1] = (0xff<<24|HOST_TID
<<12|ADAPTER_TID
);
343 // Adaptec/DPT Private stuff
344 msg
[4] = I2O_CMD_SCSI_EXEC
|DPT_ORGANIZATION_ID
<<16;
345 msg
[5] = ADAPTER_TID
| 1<<16 /* Interpret*/;
346 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
347 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
348 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
349 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
350 msg
[6] = scsidir
|0x20a00000| 6 /* cmd len*/;
354 memset(scb
, 0, sizeof(scb
));
355 // Write SCSI command into the message - always 16 byte block
362 // Don't care about the rest of scb
364 memcpy(mptr
, scb
, sizeof(scb
));
366 lenptr
=mptr
++; /* Remember me - fill in when we know */
368 /* Now fill in the SGList and command */
370 if (dpt_dma64(pHba
)) {
371 *mptr
++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
372 *mptr
++ = 1 << PAGE_SHIFT
;
373 *mptr
++ = 0xD0000000|direction
|len
;
374 *mptr
++ = dma_low(addr
);
375 *mptr
++ = dma_high(addr
);
377 *mptr
++ = 0xD0000000|direction
|len
;
381 // Send it on it's way
382 rcode
= adpt_i2o_post_wait(pHba
, msg
, reqlen
<<2, 120);
384 sprintf(pHba
->detail
, "Adaptec I2O RAID");
385 printk(KERN_INFO
"%s: Inquiry Error (%d)\n",pHba
->name
,rcode
);
386 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
387 dma_free_coherent(&pHba
->pDev
->dev
, 80, buf
, addr
);
389 memset(pHba
->detail
, 0, sizeof(pHba
->detail
));
390 memcpy(&(pHba
->detail
), "Vendor: Adaptec ", 16);
391 memcpy(&(pHba
->detail
[16]), " Model: ", 8);
392 memcpy(&(pHba
->detail
[24]), (u8
*) &buf
[16], 16);
393 memcpy(&(pHba
->detail
[40]), " FW: ", 4);
394 memcpy(&(pHba
->detail
[44]), (u8
*) &buf
[32], 4);
395 pHba
->detail
[48] = '\0'; /* precautionary */
396 dma_free_coherent(&pHba
->pDev
->dev
, 80, buf
, addr
);
398 adpt_i2o_status_get(pHba
);
403 static int adpt_slave_configure(struct scsi_device
* device
)
405 struct Scsi_Host
*host
= device
->host
;
408 pHba
= (adpt_hba
*) host
->hostdata
[0];
410 if (host
->can_queue
&& device
->tagged_supported
) {
411 scsi_adjust_queue_depth(device
, MSG_SIMPLE_TAG
,
412 host
->can_queue
- 1);
414 scsi_adjust_queue_depth(device
, 0, 1);
419 static int adpt_queue(struct scsi_cmnd
* cmd
, void (*done
) (struct scsi_cmnd
*))
421 adpt_hba
* pHba
= NULL
;
422 struct adpt_device
* pDev
= NULL
; /* dpt per device information */
424 cmd
->scsi_done
= done
;
426 * SCSI REQUEST_SENSE commands will be executed automatically by the
427 * Host Adapter for any errors, so they should not be executed
428 * explicitly unless the Sense Data is zero indicating that no error
432 if ((cmd
->cmnd
[0] == REQUEST_SENSE
) && (cmd
->sense_buffer
[0] != 0)) {
433 cmd
->result
= (DID_OK
<< 16);
438 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
445 * TODO: I need to block here if I am processing ioctl cmds
446 * but if the outstanding cmds all finish before the ioctl,
447 * the scsi-core will not know to start sending cmds to me again.
448 * I need to a way to restart the scsi-cores queues or should I block
449 * calling scsi_done on the outstanding cmds instead
450 * for now we don't set the IOCTL state
452 if(((pHba
->state
) & DPTI_STATE_IOCTL
) || ((pHba
->state
) & DPTI_STATE_RESET
)) {
453 pHba
->host
->last_reset
= jiffies
;
454 pHba
->host
->resetting
= 1;
458 // TODO if the cmd->device if offline then I may need to issue a bus rescan
459 // followed by a get_lct to see if the device is there anymore
460 if((pDev
= (struct adpt_device
*) (cmd
->device
->hostdata
)) == NULL
) {
462 * First command request for this device. Set up a pointer
463 * to the device structure. This should be a TEST_UNIT_READY
464 * command from scan_scsis_single.
466 if ((pDev
= adpt_find_device(pHba
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
)) == NULL
) {
467 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
468 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
469 cmd
->result
= (DID_NO_CONNECT
<< 16);
473 cmd
->device
->hostdata
= pDev
;
475 pDev
->pScsi_dev
= cmd
->device
;
478 * If we are being called from when the device is being reset,
479 * delay processing of the command until later.
481 if (pDev
->state
& DPTI_DEV_RESET
) {
484 return adpt_scsi_to_i2o(pHba
, cmd
, pDev
);
487 static int adpt_bios_param(struct scsi_device
*sdev
, struct block_device
*dev
,
488 sector_t capacity
, int geom
[])
494 // *** First lets set the default geometry ****
496 // If the capacity is less than ox2000
497 if (capacity
< 0x2000 ) { // floppy
501 // else if between 0x2000 and 0x20000
502 else if (capacity
< 0x20000) {
506 // else if between 0x20000 and 0x40000
507 else if (capacity
< 0x40000) {
511 // else if between 0x4000 and 0x80000
512 else if (capacity
< 0x80000) {
516 // else if greater than 0x80000
521 cylinders
= sector_div(capacity
, heads
* sectors
);
523 // Special case if CDROM
524 if(sdev
->type
== 5) { // CDROM
534 PDEBUG("adpt_bios_param: exit\n");
539 static const char *adpt_info(struct Scsi_Host
*host
)
543 pHba
= (adpt_hba
*) host
->hostdata
[0];
544 return (char *) (pHba
->detail
);
547 static int adpt_proc_info(struct Scsi_Host
*host
, char *buffer
, char **start
, off_t offset
,
548 int length
, int inout
)
550 struct adpt_device
* d
;
562 * The user has done a write and wants us to take the
563 * data in the buffer and do something with it.
564 * proc_scsiwrite calls us with inout = 1
566 * Read data from buffer (writing to us) - NOT SUPPORTED
572 * inout = 0 means the user has done a read and wants information
573 * returned, so we write information about the cards into the buffer
574 * proc_scsiread() calls us with inout = 0
577 // Find HBA (host bus adapter) we are looking for
578 mutex_lock(&adpt_configuration_lock
);
579 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
580 if (pHba
->host
== host
) {
581 break; /* found adapter */
584 mutex_unlock(&adpt_configuration_lock
);
590 len
= sprintf(buffer
, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION
);
591 len
+= sprintf(buffer
+len
, "%s\n", pHba
->detail
);
592 len
+= sprintf(buffer
+len
, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
593 pHba
->host
->host_no
, pHba
->name
, host
->irq
);
594 len
+= sprintf(buffer
+len
, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
595 host
->can_queue
, (int) pHba
->reply_fifo_size
, host
->sg_tablesize
);
600 if(pos
> offset
+ length
) {
605 * If we haven't even written to where we last left
606 * off (the last time we were called), reset the
612 len
+= sprintf(buffer
+len
, "Devices:\n");
613 for(chan
= 0; chan
< MAX_CHANNEL
; chan
++) {
614 for(id
= 0; id
< MAX_ID
; id
++) {
615 d
= pHba
->channel
[chan
].device
[id
];
617 len
+= sprintf(buffer
+len
,"\t%-24.24s", d
->pScsi_dev
->vendor
);
618 len
+= sprintf(buffer
+len
," Rev: %-8.8s\n", d
->pScsi_dev
->rev
);
623 if(pos
> offset
+ length
) {
631 unit
= d
->pI2o_dev
->lct_data
.tid
;
632 len
+= sprintf(buffer
+len
, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
633 unit
, (int)d
->scsi_channel
, (int)d
->scsi_id
, (int)d
->scsi_lun
,
634 scsi_device_online(d
->pScsi_dev
)? "online":"offline");
638 if(pos
> offset
+ length
) {
652 * begin is where we last checked our position with regards to offset
653 * begin is always less than offset. len is relative to begin. It
654 * is the number of bytes written past begin
658 /* stop the output and calculate the correct length */
659 *(buffer
+ len
) = '\0';
661 *start
= buffer
+ (offset
- begin
); /* Start of wanted data */
662 len
-= (offset
- begin
);
673 * Turn a struct scsi_cmnd * into a unique 32 bit 'context'.
675 static u32
adpt_cmd_to_context(struct scsi_cmnd
*cmd
)
677 return (u32
)cmd
->serial_number
;
681 * Go from a u32 'context' to a struct scsi_cmnd * .
682 * This could probably be made more efficient.
684 static struct scsi_cmnd
*
685 adpt_cmd_from_context(adpt_hba
* pHba
, u32 context
)
687 struct scsi_cmnd
* cmd
;
688 struct scsi_device
* d
;
693 spin_unlock(pHba
->host
->host_lock
);
694 shost_for_each_device(d
, pHba
->host
) {
696 spin_lock_irqsave(&d
->list_lock
, flags
);
697 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
698 if (((u32
)cmd
->serial_number
== context
)) {
699 spin_unlock_irqrestore(&d
->list_lock
, flags
);
701 spin_lock(pHba
->host
->host_lock
);
705 spin_unlock_irqrestore(&d
->list_lock
, flags
);
707 spin_lock(pHba
->host
->host_lock
);
713 * Turn a pointer to ioctl reply data into an u32 'context'
715 static u32
adpt_ioctl_to_context(adpt_hba
* pHba
, void *reply
)
717 #if BITS_PER_LONG == 32
718 return (u32
)(unsigned long)reply
;
723 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
724 nr
= ARRAY_SIZE(pHba
->ioctl_reply_context
);
725 for (i
= 0; i
< nr
; i
++) {
726 if (pHba
->ioctl_reply_context
[i
] == NULL
) {
727 pHba
->ioctl_reply_context
[i
] = reply
;
731 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
734 printk(KERN_WARNING
"%s: Too many outstanding "
735 "ioctl commands\n", pHba
->name
);
744 * Go from an u32 'context' to a pointer to ioctl reply data.
746 static void *adpt_ioctl_from_context(adpt_hba
*pHba
, u32 context
)
748 #if BITS_PER_LONG == 32
749 return (void *)(unsigned long)context
;
751 void *p
= pHba
->ioctl_reply_context
[context
];
752 pHba
->ioctl_reply_context
[context
] = NULL
;
758 /*===========================================================================
759 * Error Handling routines
760 *===========================================================================
763 static int adpt_abort(struct scsi_cmnd
* cmd
)
765 adpt_hba
* pHba
= NULL
; /* host bus adapter structure */
766 struct adpt_device
* dptdevice
; /* dpt per device information */
770 if(cmd
->serial_number
== 0){
773 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
774 printk(KERN_INFO
"%s: Trying to Abort cmd=%ld\n",pHba
->name
, cmd
->serial_number
);
775 if ((dptdevice
= (void*) (cmd
->device
->hostdata
)) == NULL
) {
776 printk(KERN_ERR
"%s: Unable to abort: No device in cmnd\n",pHba
->name
);
780 memset(msg
, 0, sizeof(msg
));
781 msg
[0] = FIVE_WORD_MSG_SIZE
|SGL_OFFSET_0
;
782 msg
[1] = I2O_CMD_SCSI_ABORT
<<24|HOST_TID
<<12|dptdevice
->tid
;
785 msg
[4] = adpt_cmd_to_context(cmd
);
787 spin_lock_irq(pHba
->host
->host_lock
);
788 rcode
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), FOREVER
);
790 spin_unlock_irq(pHba
->host
->host_lock
);
792 if(rcode
== -EOPNOTSUPP
){
793 printk(KERN_INFO
"%s: Abort cmd not supported\n",pHba
->name
);
796 printk(KERN_INFO
"%s: Abort cmd=%ld failed.\n",pHba
->name
, cmd
->serial_number
);
799 printk(KERN_INFO
"%s: Abort cmd=%ld complete.\n",pHba
->name
, cmd
->serial_number
);
804 #define I2O_DEVICE_RESET 0x27
805 // This is the same for BLK and SCSI devices
806 // NOTE this is wrong in the i2o.h definitions
807 // This is not currently supported by our adapter but we issue it anyway
808 static int adpt_device_reset(struct scsi_cmnd
* cmd
)
814 struct adpt_device
* d
= cmd
->device
->hostdata
;
816 pHba
= (void*) cmd
->device
->host
->hostdata
[0];
817 printk(KERN_INFO
"%s: Trying to reset device\n",pHba
->name
);
819 printk(KERN_INFO
"%s: Reset Device: Device Not found\n",pHba
->name
);
822 memset(msg
, 0, sizeof(msg
));
823 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
824 msg
[1] = (I2O_DEVICE_RESET
<<24|HOST_TID
<<12|d
->tid
);
829 spin_lock_irq(pHba
->host
->host_lock
);
830 old_state
= d
->state
;
831 d
->state
|= DPTI_DEV_RESET
;
832 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
833 d
->state
= old_state
;
835 spin_unlock_irq(pHba
->host
->host_lock
);
837 if(rcode
== -EOPNOTSUPP
){
838 printk(KERN_INFO
"%s: Device reset not supported\n",pHba
->name
);
841 printk(KERN_INFO
"%s: Device reset failed\n",pHba
->name
);
844 printk(KERN_INFO
"%s: Device reset successful\n",pHba
->name
);
850 #define I2O_HBA_BUS_RESET 0x87
851 // This version of bus reset is called by the eh_error handler
852 static int adpt_bus_reset(struct scsi_cmnd
* cmd
)
858 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
859 memset(msg
, 0, sizeof(msg
));
860 printk(KERN_WARNING
"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba
->name
, cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
861 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
862 msg
[1] = (I2O_HBA_BUS_RESET
<<24|HOST_TID
<<12|pHba
->channel
[cmd
->device
->channel
].tid
);
866 spin_lock_irq(pHba
->host
->host_lock
);
867 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
869 spin_unlock_irq(pHba
->host
->host_lock
);
871 printk(KERN_WARNING
"%s: Bus reset failed.\n",pHba
->name
);
874 printk(KERN_WARNING
"%s: Bus reset success.\n",pHba
->name
);
879 // This version of reset is called by the eh_error_handler
880 static int __adpt_reset(struct scsi_cmnd
* cmd
)
884 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
885 printk(KERN_WARNING
"%s: Hba Reset: scsi id %d: tid: %d\n",pHba
->name
,cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
886 rcode
= adpt_hba_reset(pHba
);
888 printk(KERN_WARNING
"%s: HBA reset complete\n",pHba
->name
);
891 printk(KERN_WARNING
"%s: HBA reset failed (%x)\n",pHba
->name
, rcode
);
896 static int adpt_reset(struct scsi_cmnd
* cmd
)
900 spin_lock_irq(cmd
->device
->host
->host_lock
);
901 rc
= __adpt_reset(cmd
);
902 spin_unlock_irq(cmd
->device
->host
->host_lock
);
907 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
908 static int adpt_hba_reset(adpt_hba
* pHba
)
912 pHba
->state
|= DPTI_STATE_RESET
;
914 // Activate does get status , init outbound, and get hrt
915 if ((rcode
=adpt_i2o_activate_hba(pHba
)) < 0) {
916 printk(KERN_ERR
"%s: Could not activate\n", pHba
->name
);
917 adpt_i2o_delete_hba(pHba
);
921 if ((rcode
=adpt_i2o_build_sys_table()) < 0) {
922 adpt_i2o_delete_hba(pHba
);
925 PDEBUG("%s: in HOLD state\n",pHba
->name
);
927 if ((rcode
=adpt_i2o_online_hba(pHba
)) < 0) {
928 adpt_i2o_delete_hba(pHba
);
931 PDEBUG("%s: in OPERATIONAL state\n",pHba
->name
);
933 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0){
934 adpt_i2o_delete_hba(pHba
);
938 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0){
939 adpt_i2o_delete_hba(pHba
);
942 pHba
->state
&= ~DPTI_STATE_RESET
;
944 adpt_fail_posted_scbs(pHba
);
945 return 0; /* return success */
948 /*===========================================================================
950 *===========================================================================
954 static void adpt_i2o_sys_shutdown(void)
956 adpt_hba
*pHba
, *pNext
;
957 struct adpt_i2o_post_wait_data
*p1
, *old
;
959 printk(KERN_INFO
"Shutting down Adaptec I2O controllers.\n");
960 printk(KERN_INFO
" This could take a few minutes if there are many devices attached\n");
961 /* Delete all IOPs from the controller chain */
962 /* They should have already been released by the
965 for (pHba
= hba_chain
; pHba
; pHba
= pNext
) {
967 adpt_i2o_delete_hba(pHba
);
970 /* Remove any timedout entries from the wait queue. */
971 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
972 /* Nothing should be outstanding at this point so just
975 for(p1
= adpt_post_wait_queue
; p1
;) {
980 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
981 adpt_post_wait_queue
= NULL
;
983 printk(KERN_INFO
"Adaptec I2O controllers down.\n");
986 static int adpt_install_hba(struct scsi_host_template
* sht
, struct pci_dev
* pDev
)
989 adpt_hba
* pHba
= NULL
;
991 ulong base_addr0_phys
= 0;
992 ulong base_addr1_phys
= 0;
993 u32 hba_map0_area_size
= 0;
994 u32 hba_map1_area_size
= 0;
995 void __iomem
*base_addr_virt
= NULL
;
996 void __iomem
*msg_addr_virt
= NULL
;
999 int raptorFlag
= FALSE
;
1001 if(pci_enable_device(pDev
)) {
1005 if (pci_request_regions(pDev
, "dpt_i2o")) {
1006 PERROR("dpti: adpt_config_hba: pci request region failed\n");
1010 pci_set_master(pDev
);
1013 * See if we should enable dma64 mode.
1015 if (sizeof(dma_addr_t
) > 4 &&
1016 pci_set_dma_mask(pDev
, DMA_64BIT_MASK
) == 0) {
1017 if (dma_get_required_mask(&pDev
->dev
) > DMA_32BIT_MASK
)
1020 if (!dma64
&& pci_set_dma_mask(pDev
, DMA_32BIT_MASK
) != 0)
1023 /* adapter only supports message blocks below 4GB */
1024 pci_set_consistent_dma_mask(pDev
, DMA_32BIT_MASK
);
1026 base_addr0_phys
= pci_resource_start(pDev
,0);
1027 hba_map0_area_size
= pci_resource_len(pDev
,0);
1029 // Check if standard PCI card or single BAR Raptor
1030 if(pDev
->device
== PCI_DPT_DEVICE_ID
){
1031 if(pDev
->subsystem_device
>=0xc032 && pDev
->subsystem_device
<= 0xc03b){
1032 // Raptor card with this device id needs 4M
1033 hba_map0_area_size
= 0x400000;
1034 } else { // Not Raptor - it is a PCI card
1035 if(hba_map0_area_size
> 0x100000 ){
1036 hba_map0_area_size
= 0x100000;
1039 } else {// Raptor split BAR config
1040 // Use BAR1 in this configuration
1041 base_addr1_phys
= pci_resource_start(pDev
,1);
1042 hba_map1_area_size
= pci_resource_len(pDev
,1);
1046 #if BITS_PER_LONG == 64
1048 * The original Adaptec 64 bit driver has this comment here:
1049 * "x86_64 machines need more optimal mappings"
1051 * I assume some HBAs report ridiculously large mappings
1052 * and we need to limit them on platforms with IOMMUs.
1054 if (raptorFlag
== TRUE
) {
1055 if (hba_map0_area_size
> 128)
1056 hba_map0_area_size
= 128;
1057 if (hba_map1_area_size
> 524288)
1058 hba_map1_area_size
= 524288;
1060 if (hba_map0_area_size
> 524288)
1061 hba_map0_area_size
= 524288;
1065 base_addr_virt
= ioremap(base_addr0_phys
,hba_map0_area_size
);
1066 if (!base_addr_virt
) {
1067 pci_release_regions(pDev
);
1068 PERROR("dpti: adpt_config_hba: io remap failed\n");
1072 if(raptorFlag
== TRUE
) {
1073 msg_addr_virt
= ioremap(base_addr1_phys
, hba_map1_area_size
);
1074 if (!msg_addr_virt
) {
1075 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
1076 iounmap(base_addr_virt
);
1077 pci_release_regions(pDev
);
1081 msg_addr_virt
= base_addr_virt
;
1084 // Allocate and zero the data structure
1085 pHba
= kzalloc(sizeof(adpt_hba
), GFP_KERNEL
);
1087 if (msg_addr_virt
!= base_addr_virt
)
1088 iounmap(msg_addr_virt
);
1089 iounmap(base_addr_virt
);
1090 pci_release_regions(pDev
);
1094 mutex_lock(&adpt_configuration_lock
);
1096 if(hba_chain
!= NULL
){
1097 for(p
= hba_chain
; p
->next
; p
= p
->next
);
1103 pHba
->unit
= hba_count
;
1104 sprintf(pHba
->name
, "dpti%d", hba_count
);
1107 mutex_unlock(&adpt_configuration_lock
);
1110 pHba
->base_addr_phys
= base_addr0_phys
;
1112 // Set up the Virtual Base Address of the I2O Device
1113 pHba
->base_addr_virt
= base_addr_virt
;
1114 pHba
->msg_addr_virt
= msg_addr_virt
;
1115 pHba
->irq_mask
= base_addr_virt
+0x30;
1116 pHba
->post_port
= base_addr_virt
+0x40;
1117 pHba
->reply_port
= base_addr_virt
+0x44;
1122 pHba
->status_block
= NULL
;
1123 pHba
->post_count
= 0;
1124 pHba
->state
= DPTI_STATE_RESET
;
1126 pHba
->devices
= NULL
;
1127 pHba
->dma64
= dma64
;
1129 // Initializing the spinlocks
1130 spin_lock_init(&pHba
->state_lock
);
1131 spin_lock_init(&adpt_post_wait_lock
);
1133 if(raptorFlag
== 0){
1134 printk(KERN_INFO
"Adaptec I2O RAID controller"
1135 " %d at %p size=%x irq=%d%s\n",
1136 hba_count
-1, base_addr_virt
,
1137 hba_map0_area_size
, pDev
->irq
,
1138 dma64
? " (64-bit DMA)" : "");
1140 printk(KERN_INFO
"Adaptec I2O RAID controller %d irq=%d%s\n",
1141 hba_count
-1, pDev
->irq
,
1142 dma64
? " (64-bit DMA)" : "");
1143 printk(KERN_INFO
" BAR0 %p - size= %x\n",base_addr_virt
,hba_map0_area_size
);
1144 printk(KERN_INFO
" BAR1 %p - size= %x\n",msg_addr_virt
,hba_map1_area_size
);
1147 if (request_irq (pDev
->irq
, adpt_isr
, IRQF_SHARED
, pHba
->name
, pHba
)) {
1148 printk(KERN_ERR
"%s: Couldn't register IRQ %d\n", pHba
->name
, pDev
->irq
);
1149 adpt_i2o_delete_hba(pHba
);
1157 static void adpt_i2o_delete_hba(adpt_hba
* pHba
)
1161 struct i2o_device
* d
;
1162 struct i2o_device
* next
;
1165 struct adpt_device
* pDev
;
1166 struct adpt_device
* pNext
;
1169 mutex_lock(&adpt_configuration_lock
);
1170 // scsi_unregister calls our adpt_release which
1173 free_irq(pHba
->host
->irq
, pHba
);
1176 for( p1
= hba_chain
; p1
; p2
= p1
,p1
=p1
->next
){
1179 p2
->next
= p1
->next
;
1181 hba_chain
= p1
->next
;
1188 mutex_unlock(&adpt_configuration_lock
);
1190 iounmap(pHba
->base_addr_virt
);
1191 pci_release_regions(pHba
->pDev
);
1192 if(pHba
->msg_addr_virt
!= pHba
->base_addr_virt
){
1193 iounmap(pHba
->msg_addr_virt
);
1195 if(pHba
->FwDebugBuffer_P
)
1196 iounmap(pHba
->FwDebugBuffer_P
);
1198 dma_free_coherent(&pHba
->pDev
->dev
,
1199 pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2,
1200 pHba
->hrt
, pHba
->hrt_pa
);
1203 dma_free_coherent(&pHba
->pDev
->dev
, pHba
->lct_size
,
1204 pHba
->lct
, pHba
->lct_pa
);
1206 if(pHba
->status_block
) {
1207 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(i2o_status_block
),
1208 pHba
->status_block
, pHba
->status_block_pa
);
1210 if(pHba
->reply_pool
) {
1211 dma_free_coherent(&pHba
->pDev
->dev
,
1212 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
1213 pHba
->reply_pool
, pHba
->reply_pool_pa
);
1216 for(d
= pHba
->devices
; d
; d
= next
){
1220 for(i
= 0 ; i
< pHba
->top_scsi_channel
; i
++){
1221 for(j
= 0; j
< MAX_ID
; j
++){
1222 if(pHba
->channel
[i
].device
[j
] != NULL
){
1223 for(pDev
= pHba
->channel
[i
].device
[j
]; pDev
; pDev
= pNext
){
1224 pNext
= pDev
->next_lun
;
1230 pci_dev_put(pHba
->pDev
);
1233 if (adpt_sysfs_class
)
1234 device_destroy(adpt_sysfs_class
,
1235 MKDEV(DPTI_I2O_MAJOR
, pHba
->unit
));
1238 unregister_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
);
1239 if (adpt_sysfs_class
) {
1240 class_destroy(adpt_sysfs_class
);
1241 adpt_sysfs_class
= NULL
;
1246 static struct adpt_device
* adpt_find_device(adpt_hba
* pHba
, u32 chan
, u32 id
, u32 lun
)
1248 struct adpt_device
* d
;
1250 if(chan
< 0 || chan
>= MAX_CHANNEL
)
1253 if( pHba
->channel
[chan
].device
== NULL
){
1254 printk(KERN_DEBUG
"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1258 d
= pHba
->channel
[chan
].device
[id
];
1259 if(!d
|| d
->tid
== 0) {
1263 /* If it is the only lun at that address then this should match*/
1264 if(d
->scsi_lun
== lun
){
1268 /* else we need to look through all the luns */
1269 for(d
=d
->next_lun
; d
; d
= d
->next_lun
){
1270 if(d
->scsi_lun
== lun
){
1278 static int adpt_i2o_post_wait(adpt_hba
* pHba
, u32
* msg
, int len
, int timeout
)
1280 // I used my own version of the WAIT_QUEUE_HEAD
1281 // to handle some version differences
1282 // When embedded in the kernel this could go back to the vanilla one
1283 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post
);
1286 struct adpt_i2o_post_wait_data
*p1
, *p2
;
1287 struct adpt_i2o_post_wait_data
*wait_data
=
1288 kmalloc(sizeof(struct adpt_i2o_post_wait_data
),GFP_KERNEL
);
1289 DECLARE_WAITQUEUE(wait
, current
);
1295 * The spin locking is needed to keep anyone from playing
1296 * with the queue pointers and id while we do the same
1298 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1299 // TODO we need a MORE unique way of getting ids
1300 // to support async LCT get
1301 wait_data
->next
= adpt_post_wait_queue
;
1302 adpt_post_wait_queue
= wait_data
;
1303 adpt_post_wait_id
++;
1304 adpt_post_wait_id
&= 0x7fff;
1305 wait_data
->id
= adpt_post_wait_id
;
1306 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1308 wait_data
->wq
= &adpt_wq_i2o_post
;
1309 wait_data
->status
= -ETIMEDOUT
;
1311 add_wait_queue(&adpt_wq_i2o_post
, &wait
);
1313 msg
[2] |= 0x80000000 | ((u32
)wait_data
->id
);
1315 if((status
= adpt_i2o_post_this(pHba
, msg
, len
)) == 0){
1316 set_current_state(TASK_INTERRUPTIBLE
);
1318 spin_unlock_irq(pHba
->host
->host_lock
);
1322 timeout
= schedule_timeout(timeout
);
1324 // I/O issued, but cannot get result in
1325 // specified time. Freeing resorces is
1331 spin_lock_irq(pHba
->host
->host_lock
);
1333 remove_wait_queue(&adpt_wq_i2o_post
, &wait
);
1335 if(status
== -ETIMEDOUT
){
1336 printk(KERN_INFO
"dpti%d: POST WAIT TIMEOUT\n",pHba
->unit
);
1337 // We will have to free the wait_data memory during shutdown
1341 /* Remove the entry from the queue. */
1343 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1344 for(p1
= adpt_post_wait_queue
; p1
; p2
= p1
, p1
= p1
->next
) {
1345 if(p1
== wait_data
) {
1346 if(p1
->status
== I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION
) {
1347 status
= -EOPNOTSUPP
;
1350 p2
->next
= p1
->next
;
1352 adpt_post_wait_queue
= p1
->next
;
1357 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1365 static s32
adpt_i2o_post_this(adpt_hba
* pHba
, u32
* data
, int len
)
1368 u32 m
= EMPTY_QUEUE
;
1370 ulong timeout
= jiffies
+ 30*HZ
;
1373 m
= readl(pHba
->post_port
);
1374 if (m
!= EMPTY_QUEUE
) {
1377 if(time_after(jiffies
,timeout
)){
1378 printk(KERN_WARNING
"dpti%d: Timeout waiting for message frame!\n", pHba
->unit
);
1381 schedule_timeout_uninterruptible(1);
1382 } while(m
== EMPTY_QUEUE
);
1384 msg
= pHba
->msg_addr_virt
+ m
;
1385 memcpy_toio(msg
, data
, len
);
1389 writel(m
, pHba
->post_port
);
1396 static void adpt_i2o_post_wait_complete(u32 context
, int status
)
1398 struct adpt_i2o_post_wait_data
*p1
= NULL
;
1400 * We need to search through the adpt_post_wait
1401 * queue to see if the given message is still
1402 * outstanding. If not, it means that the IOP
1403 * took longer to respond to the message than we
1404 * had allowed and timer has already expired.
1405 * Not much we can do about that except log
1406 * it for debug purposes, increase timeout, and recompile
1408 * Lock needed to keep anyone from moving queue pointers
1409 * around while we're looking through them.
1414 spin_lock(&adpt_post_wait_lock
);
1415 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1416 if(p1
->id
== context
) {
1417 p1
->status
= status
;
1418 spin_unlock(&adpt_post_wait_lock
);
1419 wake_up_interruptible(p1
->wq
);
1423 spin_unlock(&adpt_post_wait_lock
);
1424 // If this happens we lose commands that probably really completed
1425 printk(KERN_DEBUG
"dpti: Could Not find task %d in wait queue\n",context
);
1426 printk(KERN_DEBUG
" Tasks in wait queue:\n");
1427 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1428 printk(KERN_DEBUG
" %d\n",p1
->id
);
1433 static s32
adpt_i2o_reset_hba(adpt_hba
* pHba
)
1438 u32 m
= EMPTY_QUEUE
;
1439 ulong timeout
= jiffies
+ (TMOUT_IOPRESET
*HZ
);
1441 if(pHba
->initialized
== FALSE
) { // First time reset should be quick
1442 timeout
= jiffies
+ (25*HZ
);
1444 adpt_i2o_quiesce_hba(pHba
);
1449 m
= readl(pHba
->post_port
);
1450 if (m
!= EMPTY_QUEUE
) {
1453 if(time_after(jiffies
,timeout
)){
1454 printk(KERN_WARNING
"Timeout waiting for message!\n");
1457 schedule_timeout_uninterruptible(1);
1458 } while (m
== EMPTY_QUEUE
);
1460 status
= dma_alloc_coherent(&pHba
->pDev
->dev
, 4, &addr
, GFP_KERNEL
);
1461 if(status
== NULL
) {
1462 adpt_send_nop(pHba
, m
);
1463 printk(KERN_ERR
"IOP reset failed - no free memory.\n");
1468 msg
[0]=EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_0
;
1469 msg
[1]=I2O_CMD_ADAPTER_RESET
<<24|HOST_TID
<<12|ADAPTER_TID
;
1474 msg
[6]=dma_low(addr
);
1475 msg
[7]=dma_high(addr
);
1477 memcpy_toio(pHba
->msg_addr_virt
+m
, msg
, sizeof(msg
));
1479 writel(m
, pHba
->post_port
);
1482 while(*status
== 0){
1483 if(time_after(jiffies
,timeout
)){
1484 printk(KERN_WARNING
"%s: IOP Reset Timeout\n",pHba
->name
);
1485 /* We lose 4 bytes of "status" here, but we cannot
1486 free these because controller may awake and corrupt
1487 those bytes at any time */
1488 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1492 schedule_timeout_uninterruptible(1);
1495 if(*status
== 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1496 PDEBUG("%s: Reset in progress...\n", pHba
->name
);
1497 // Here we wait for message frame to become available
1498 // indicated that reset has finished
1501 m
= readl(pHba
->post_port
);
1502 if (m
!= EMPTY_QUEUE
) {
1505 if(time_after(jiffies
,timeout
)){
1506 printk(KERN_ERR
"%s:Timeout waiting for IOP Reset.\n",pHba
->name
);
1507 /* We lose 4 bytes of "status" here, but we
1508 cannot free these because controller may
1509 awake and corrupt those bytes at any time */
1510 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1513 schedule_timeout_uninterruptible(1);
1514 } while (m
== EMPTY_QUEUE
);
1516 adpt_send_nop(pHba
, m
);
1518 adpt_i2o_status_get(pHba
);
1519 if(*status
== 0x02 ||
1520 pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
1521 printk(KERN_WARNING
"%s: Reset reject, trying to clear\n",
1524 PDEBUG("%s: Reset completed.\n", pHba
->name
);
1527 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
1529 // This delay is to allow someone attached to the card through the debug UART to
1530 // set up the dump levels that they want before the rest of the initialization sequence
1537 static int adpt_i2o_parse_lct(adpt_hba
* pHba
)
1542 struct i2o_device
*d
;
1543 i2o_lct
*lct
= pHba
->lct
;
1547 u32 buf
[10]; // larger than 7, or 8 ...
1548 struct adpt_device
* pDev
;
1551 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
1555 max
= lct
->table_size
;
1559 for(i
=0;i
<max
;i
++) {
1560 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
1562 * If we have hidden devices, we need to inform the upper layers about
1563 * the possible maximum id reference to handle device access when
1564 * an array is disassembled. This code has no other purpose but to
1565 * allow us future access to devices that are currently hidden
1566 * behind arrays, hotspares or have not been configured (JBOD mode).
1568 if( lct
->lct_entry
[i
].class_id
!= I2O_CLASS_RANDOM_BLOCK_STORAGE
&&
1569 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_SCSI_PERIPHERAL
&&
1570 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1573 tid
= lct
->lct_entry
[i
].tid
;
1574 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1575 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
1578 bus_no
= buf
[0]>>16;
1580 scsi_lun
= (buf
[2]>>8 )&0xff;
1581 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1582 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
1585 if (scsi_id
>= MAX_ID
){
1586 printk(KERN_WARNING
"%s: SCSI ID %d out of range \n", pHba
->name
, bus_no
);
1589 if(bus_no
> pHba
->top_scsi_channel
){
1590 pHba
->top_scsi_channel
= bus_no
;
1592 if(scsi_id
> pHba
->top_scsi_id
){
1593 pHba
->top_scsi_id
= scsi_id
;
1595 if(scsi_lun
> pHba
->top_scsi_lun
){
1596 pHba
->top_scsi_lun
= scsi_lun
;
1600 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
1603 printk(KERN_CRIT
"%s: Out of memory for I2O device data.\n",pHba
->name
);
1607 d
->controller
= pHba
;
1610 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
1613 tid
= d
->lct_data
.tid
;
1614 adpt_i2o_report_hba_unit(pHba
, d
);
1615 adpt_i2o_install_device(pHba
, d
);
1618 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1619 if(d
->lct_data
.class_id
== I2O_CLASS_BUS_ADAPTER_PORT
||
1620 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PORT
){
1621 tid
= d
->lct_data
.tid
;
1622 // TODO get the bus_no from hrt-but for now they are in order
1624 if(bus_no
> pHba
->top_scsi_channel
){
1625 pHba
->top_scsi_channel
= bus_no
;
1627 pHba
->channel
[bus_no
].type
= d
->lct_data
.class_id
;
1628 pHba
->channel
[bus_no
].tid
= tid
;
1629 if(adpt_i2o_query_scalar(pHba
, tid
, 0x0200, -1, buf
, 28)>=0)
1631 pHba
->channel
[bus_no
].scsi_id
= buf
[1];
1632 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no
, buf
[1]);
1634 // TODO remove - this is just until we get from hrt
1636 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1637 printk(KERN_WARNING
"%s: Channel number %d out of range - LCT\n", pHba
->name
, bus_no
);
1643 // Setup adpt_device table
1644 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1645 if(d
->lct_data
.class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
1646 d
->lct_data
.class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
1647 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1649 tid
= d
->lct_data
.tid
;
1651 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1652 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)>=0) {
1653 bus_no
= buf
[0]>>16;
1655 scsi_lun
= (buf
[2]>>8 )&0xff;
1656 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1659 if (scsi_id
>= MAX_ID
) {
1662 if( pHba
->channel
[bus_no
].device
[scsi_id
] == NULL
){
1663 pDev
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1667 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
1669 for( pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
1670 pDev
->next_lun
; pDev
= pDev
->next_lun
){
1672 pDev
->next_lun
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1673 if(pDev
->next_lun
== NULL
) {
1676 pDev
= pDev
->next_lun
;
1679 pDev
->scsi_channel
= bus_no
;
1680 pDev
->scsi_id
= scsi_id
;
1681 pDev
->scsi_lun
= scsi_lun
;
1684 pDev
->type
= (buf
[0])&0xff;
1685 pDev
->flags
= (buf
[0]>>8)&0xff;
1686 if(scsi_id
> pHba
->top_scsi_id
){
1687 pHba
->top_scsi_id
= scsi_id
;
1689 if(scsi_lun
> pHba
->top_scsi_lun
){
1690 pHba
->top_scsi_lun
= scsi_lun
;
1694 printk(KERN_WARNING
"Could not find SCSI ID for %s\n",
1695 d
->lct_data
.identity_tag
);
1704 * Each I2O controller has a chain of devices on it - these match
1705 * the useful parts of the LCT of the board.
1708 static int adpt_i2o_install_device(adpt_hba
* pHba
, struct i2o_device
*d
)
1710 mutex_lock(&adpt_configuration_lock
);
1713 d
->next
=pHba
->devices
;
1715 if (pHba
->devices
!= NULL
){
1716 pHba
->devices
->prev
=d
;
1721 mutex_unlock(&adpt_configuration_lock
);
1725 static int adpt_open(struct inode
*inode
, struct file
*file
)
1730 //TODO check for root access
1732 minor
= iminor(inode
);
1733 if (minor
>= hba_count
) {
1736 mutex_lock(&adpt_configuration_lock
);
1737 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1738 if (pHba
->unit
== minor
) {
1739 break; /* found adapter */
1743 mutex_unlock(&adpt_configuration_lock
);
1747 // if(pHba->in_use){
1748 // mutex_unlock(&adpt_configuration_lock);
1753 mutex_unlock(&adpt_configuration_lock
);
1758 static int adpt_close(struct inode
*inode
, struct file
*file
)
1763 minor
= iminor(inode
);
1764 if (minor
>= hba_count
) {
1767 mutex_lock(&adpt_configuration_lock
);
1768 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1769 if (pHba
->unit
== minor
) {
1770 break; /* found adapter */
1773 mutex_unlock(&adpt_configuration_lock
);
1784 static int adpt_i2o_passthru(adpt_hba
* pHba
, u32 __user
*arg
)
1786 u32 msg
[MAX_MESSAGE_SIZE
];
1790 u32 __user
*user_msg
= arg
;
1791 u32 __user
* user_reply
= NULL
;
1792 void *sg_list
[pHba
->sg_tablesize
];
1802 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1803 // get user msg size in u32s
1804 if(get_user(size
, &user_msg
[0])){
1809 user_reply
= &user_msg
[size
];
1810 if(size
> MAX_MESSAGE_SIZE
){
1813 size
*= 4; // Convert to bytes
1815 /* Copy in the user's I2O command */
1816 if(copy_from_user(msg
, user_msg
, size
)) {
1819 get_user(reply_size
, &user_reply
[0]);
1820 reply_size
= reply_size
>>16;
1821 if(reply_size
> REPLY_FRAME_SIZE
){
1822 reply_size
= REPLY_FRAME_SIZE
;
1825 reply
= kzalloc(REPLY_FRAME_SIZE
*4, GFP_KERNEL
);
1827 printk(KERN_WARNING
"%s: Could not allocate reply buffer\n",pHba
->name
);
1830 sg_offset
= (msg
[0]>>4)&0xf;
1831 msg
[2] = 0x40000000; // IOCTL context
1832 msg
[3] = adpt_ioctl_to_context(pHba
, reply
);
1833 if (msg
[3] == (u32
)-1)
1836 memset(sg_list
,0, sizeof(sg_list
[0])*pHba
->sg_tablesize
);
1838 // TODO add 64 bit API
1839 struct sg_simple_element
*sg
= (struct sg_simple_element
*) (msg
+sg_offset
);
1840 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1841 if (sg_count
> pHba
->sg_tablesize
){
1842 printk(KERN_DEBUG
"%s:IOCTL SG List too large (%u)\n", pHba
->name
,sg_count
);
1847 for(i
= 0; i
< sg_count
; i
++) {
1850 if (!(sg
[i
].flag_count
& 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1851 printk(KERN_DEBUG
"%s:Bad SG element %d - not simple (%x)\n",pHba
->name
,i
, sg
[i
].flag_count
);
1855 sg_size
= sg
[i
].flag_count
& 0xffffff;
1856 /* Allocate memory for the transfer */
1857 p
= dma_alloc_coherent(&pHba
->pDev
->dev
, sg_size
, &addr
, GFP_KERNEL
);
1859 printk(KERN_DEBUG
"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1860 pHba
->name
,sg_size
,i
,sg_count
);
1864 sg_list
[sg_index
++] = p
; // sglist indexed with input frame, not our internal frame.
1865 /* Copy in the user's SG buffer if necessary */
1866 if(sg
[i
].flag_count
& 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1867 // sg_simple_element API is 32 bit
1868 if (copy_from_user(p
,(void __user
*)(ulong
)sg
[i
].addr_bus
, sg_size
)) {
1869 printk(KERN_DEBUG
"%s: Could not copy SG buf %d FROM user\n",pHba
->name
,i
);
1874 /* sg_simple_element API is 32 bit, but addr < 4GB */
1875 sg
[i
].addr_bus
= addr
;
1881 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1882 // This state stops any new commands from enterring the
1883 // controller while processing the ioctl
1884 // pHba->state |= DPTI_STATE_IOCTL;
1885 // We can't set this now - The scsi subsystem sets host_blocked and
1886 // the queue empties and stops. We need a way to restart the queue
1887 rcode
= adpt_i2o_post_wait(pHba
, msg
, size
, FOREVER
);
1889 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1891 // pHba->state &= ~DPTI_STATE_IOCTL;
1893 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
1894 } while(rcode
== -ETIMEDOUT
);
1901 /* Copy back the Scatter Gather buffers back to user space */
1903 // TODO add 64 bit API
1904 struct sg_simple_element
* sg
;
1907 // re-acquire the original message to handle correctly the sg copy operation
1908 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1909 // get user msg size in u32s
1910 if(get_user(size
, &user_msg
[0])){
1916 /* Copy in the user's I2O command */
1917 if (copy_from_user (msg
, user_msg
, size
)) {
1921 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1923 // TODO add 64 bit API
1924 sg
= (struct sg_simple_element
*)(msg
+ sg_offset
);
1925 for (j
= 0; j
< sg_count
; j
++) {
1926 /* Copy out the SG list to user's buffer if necessary */
1927 if(! (sg
[j
].flag_count
& 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1928 sg_size
= sg
[j
].flag_count
& 0xffffff;
1929 // sg_simple_element API is 32 bit
1930 if (copy_to_user((void __user
*)(ulong
)sg
[j
].addr_bus
,sg_list
[j
], sg_size
)) {
1931 printk(KERN_WARNING
"%s: Could not copy %p TO user %x\n",pHba
->name
, sg_list
[j
], sg
[j
].addr_bus
);
1939 /* Copy back the reply to user space */
1941 // we wrote our own values for context - now restore the user supplied ones
1942 if(copy_from_user(reply
+2, user_msg
+2, sizeof(u32
)*2)) {
1943 printk(KERN_WARNING
"%s: Could not copy message context FROM user\n",pHba
->name
);
1946 if(copy_to_user(user_reply
, reply
, reply_size
)) {
1947 printk(KERN_WARNING
"%s: Could not copy reply TO user\n",pHba
->name
);
1954 if (rcode
!= -ETIME
&& rcode
!= -EINTR
) {
1955 struct sg_simple_element
*sg
=
1956 (struct sg_simple_element
*) (msg
+sg_offset
);
1959 if(sg_list
[--sg_index
]) {
1960 dma_free_coherent(&pHba
->pDev
->dev
,
1961 sg
[sg_index
].flag_count
& 0xffffff,
1963 sg
[sg_index
].addr_bus
);
1970 #if defined __ia64__
1971 static void adpt_ia64_info(sysInfo_S
* si
)
1973 // This is all the info we need for now
1974 // We will add more info as our new
1975 // managmenent utility requires it
1976 si
->processorType
= PROC_IA64
;
1980 #if defined __sparc__
1981 static void adpt_sparc_info(sysInfo_S
* si
)
1983 // This is all the info we need for now
1984 // We will add more info as our new
1985 // managmenent utility requires it
1986 si
->processorType
= PROC_ULTRASPARC
;
1989 #if defined __alpha__
1990 static void adpt_alpha_info(sysInfo_S
* si
)
1992 // This is all the info we need for now
1993 // We will add more info as our new
1994 // managmenent utility requires it
1995 si
->processorType
= PROC_ALPHA
;
1999 #if defined __i386__
2000 static void adpt_i386_info(sysInfo_S
* si
)
2002 // This is all the info we need for now
2003 // We will add more info as our new
2004 // managmenent utility requires it
2005 switch (boot_cpu_data
.x86
) {
2007 si
->processorType
= PROC_386
;
2010 si
->processorType
= PROC_486
;
2013 si
->processorType
= PROC_PENTIUM
;
2015 default: // Just in case
2016 si
->processorType
= PROC_PENTIUM
;
2023 * This routine returns information about the system. This does not effect
2024 * any logic and if the info is wrong - it doesn't matter.
2027 /* Get all the info we can not get from kernel services */
2028 static int adpt_system_info(void __user
*buffer
)
2032 memset(&si
, 0, sizeof(si
));
2034 si
.osType
= OS_LINUX
;
2035 si
.osMajorVersion
= 0;
2036 si
.osMinorVersion
= 0;
2038 si
.busType
= SI_PCI_BUS
;
2039 si
.processorFamily
= DPTI_sig
.dsProcessorFamily
;
2041 #if defined __i386__
2042 adpt_i386_info(&si
);
2043 #elif defined (__ia64__)
2044 adpt_ia64_info(&si
);
2045 #elif defined(__sparc__)
2046 adpt_sparc_info(&si
);
2047 #elif defined (__alpha__)
2048 adpt_alpha_info(&si
);
2050 si
.processorType
= 0xff ;
2052 if (copy_to_user(buffer
, &si
, sizeof(si
))){
2053 printk(KERN_WARNING
"dpti: Could not copy buffer TO user\n");
2060 static int adpt_ioctl(struct inode
*inode
, struct file
*file
, uint cmd
,
2067 void __user
*argp
= (void __user
*)arg
;
2069 minor
= iminor(inode
);
2070 if (minor
>= DPTI_MAX_HBA
){
2073 mutex_lock(&adpt_configuration_lock
);
2074 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
2075 if (pHba
->unit
== minor
) {
2076 break; /* found adapter */
2079 mutex_unlock(&adpt_configuration_lock
);
2084 while((volatile u32
) pHba
->state
& DPTI_STATE_RESET
)
2085 schedule_timeout_uninterruptible(2);
2088 // TODO: handle 3 cases
2090 if (copy_to_user(argp
, &DPTI_sig
, sizeof(DPTI_sig
))) {
2095 return adpt_i2o_passthru(pHba
, argp
);
2098 drvrHBAinfo_S HbaInfo
;
2100 #define FLG_OSD_PCI_VALID 0x0001
2101 #define FLG_OSD_DMA 0x0002
2102 #define FLG_OSD_I2O 0x0004
2103 memset(&HbaInfo
, 0, sizeof(HbaInfo
));
2104 HbaInfo
.drvrHBAnum
= pHba
->unit
;
2105 HbaInfo
.baseAddr
= (ulong
) pHba
->base_addr_phys
;
2106 HbaInfo
.blinkState
= adpt_read_blink_led(pHba
);
2107 HbaInfo
.pciBusNum
= pHba
->pDev
->bus
->number
;
2108 HbaInfo
.pciDeviceNum
=PCI_SLOT(pHba
->pDev
->devfn
);
2109 HbaInfo
.Interrupt
= pHba
->pDev
->irq
;
2110 HbaInfo
.hbaFlags
= FLG_OSD_PCI_VALID
| FLG_OSD_DMA
| FLG_OSD_I2O
;
2111 if(copy_to_user(argp
, &HbaInfo
, sizeof(HbaInfo
))){
2112 printk(KERN_WARNING
"%s: Could not copy HbaInfo TO user\n",pHba
->name
);
2118 return adpt_system_info(argp
);
2121 value
= (u32
)adpt_read_blink_led(pHba
);
2122 if (copy_to_user(argp
, &value
, sizeof(value
))) {
2129 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2130 adpt_hba_reset(pHba
);
2132 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2144 #ifdef CONFIG_COMPAT
2145 static long compat_adpt_ioctl(struct file
*file
,
2146 unsigned int cmd
, unsigned long arg
)
2148 struct inode
*inode
;
2151 inode
= file
->f_dentry
->d_inode
;
2163 case (DPT_TARGET_BUSY
& 0xFFFF):
2164 case DPT_TARGET_BUSY
:
2165 ret
= adpt_ioctl(inode
, file
, cmd
, arg
);
2177 static irqreturn_t
adpt_isr(int irq
, void *dev_id
)
2179 struct scsi_cmnd
* cmd
;
2180 adpt_hba
* pHba
= dev_id
;
2182 void __iomem
*reply
;
2189 printk(KERN_WARNING
"adpt_isr: NULL dev_id\n");
2193 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2195 while( readl(pHba
->irq_mask
) & I2O_INTERRUPT_PENDING_B
) {
2196 m
= readl(pHba
->reply_port
);
2197 if(m
== EMPTY_QUEUE
){
2198 // Try twice then give up
2200 m
= readl(pHba
->reply_port
);
2201 if(m
== EMPTY_QUEUE
){
2202 // This really should not happen
2203 printk(KERN_ERR
"dpti: Could not get reply frame\n");
2207 if (pHba
->reply_pool_pa
<= m
&&
2208 m
< pHba
->reply_pool_pa
+
2209 (pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4)) {
2210 reply
= (u8
*)pHba
->reply_pool
+
2211 (m
- pHba
->reply_pool_pa
);
2213 /* Ick, we should *never* be here */
2214 printk(KERN_ERR
"dpti: reply frame not from pool\n");
2215 reply
= (u8
*)bus_to_virt(m
);
2218 if (readl(reply
) & MSG_FAIL
) {
2219 u32 old_m
= readl(reply
+28);
2222 PDEBUG("%s: Failed message\n",pHba
->name
);
2223 if(old_m
>= 0x100000){
2224 printk(KERN_ERR
"%s: Bad preserved MFA (%x)- dropping frame\n",pHba
->name
,old_m
);
2225 writel(m
,pHba
->reply_port
);
2228 // Transaction context is 0 in failed reply frame
2229 msg
= pHba
->msg_addr_virt
+ old_m
;
2230 old_context
= readl(msg
+12);
2231 writel(old_context
, reply
+12);
2232 adpt_send_nop(pHba
, old_m
);
2234 context
= readl(reply
+8);
2235 if(context
& 0x40000000){ // IOCTL
2236 void *p
= adpt_ioctl_from_context(pHba
, readl(reply
+12));
2238 memcpy_fromio(p
, reply
, REPLY_FRAME_SIZE
* 4);
2240 // All IOCTLs will also be post wait
2242 if(context
& 0x80000000){ // Post wait message
2243 status
= readl(reply
+16);
2245 status
&= 0xffff; /* Get detail status */
2247 status
= I2O_POST_WAIT_OK
;
2249 if(!(context
& 0x40000000)) {
2250 cmd
= adpt_cmd_from_context(pHba
,
2253 printk(KERN_WARNING
"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba
->name
, cmd
, context
);
2256 adpt_i2o_post_wait_complete(context
, status
);
2257 } else { // SCSI message
2258 cmd
= adpt_cmd_from_context (pHba
, readl(reply
+12));
2260 scsi_dma_unmap(cmd
);
2261 if(cmd
->serial_number
!= 0) { // If not timedout
2262 adpt_i2o_to_scsi(reply
, cmd
);
2266 writel(m
, pHba
->reply_port
);
2272 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2273 return IRQ_RETVAL(handled
);
2276 static s32
adpt_scsi_to_i2o(adpt_hba
* pHba
, struct scsi_cmnd
* cmd
, struct adpt_device
* d
)
2279 u32 msg
[MAX_MESSAGE_SIZE
];
2291 memset(msg
, 0 , sizeof(msg
));
2292 len
= scsi_bufflen(cmd
);
2293 direction
= 0x00000000;
2295 scsidir
= 0x00000000; // DATA NO XFER
2298 * Set SCBFlags to indicate if data is being transferred
2299 * in or out, or no data transfer
2300 * Note: Do not have to verify index is less than 0 since
2301 * cmd->cmnd[0] is an unsigned char
2303 switch(cmd
->sc_data_direction
){
2304 case DMA_FROM_DEVICE
:
2305 scsidir
=0x40000000; // DATA IN (iop<--dev)
2308 direction
=0x04000000; // SGL OUT
2309 scsidir
=0x80000000; // DATA OUT (iop-->dev)
2313 case DMA_BIDIRECTIONAL
:
2314 scsidir
=0x40000000; // DATA IN (iop<--dev)
2315 // Assume In - and continue;
2318 printk(KERN_WARNING
"%s: scsi opcode 0x%x not supported.\n",
2319 pHba
->name
, cmd
->cmnd
[0]);
2320 cmd
->result
= (DID_OK
<<16) | (INITIATOR_ERROR
<< 8);
2321 cmd
->scsi_done(cmd
);
2325 // msg[0] is set later
2326 // I2O_CMD_SCSI_EXEC
2327 msg
[1] = ((0xff<<24)|(HOST_TID
<<12)|d
->tid
);
2329 msg
[3] = adpt_cmd_to_context(cmd
); /* Want SCSI control block back */
2330 // Our cards use the transaction context as the tag for queueing
2331 // Adaptec/DPT Private stuff
2332 msg
[4] = I2O_CMD_SCSI_EXEC
|(DPT_ORGANIZATION_ID
<<16);
2334 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2335 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2336 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2337 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2338 msg
[6] = scsidir
|0x20a00000|cmd
->cmd_len
;
2342 // Write SCSI command into the message - always 16 byte block
2343 memset(mptr
, 0, 16);
2344 memcpy(mptr
, cmd
->cmnd
, cmd
->cmd_len
);
2346 lenptr
=mptr
++; /* Remember me - fill in when we know */
2347 if (dpt_dma64(pHba
)) {
2348 reqlen
= 16; // SINGLE SGE
2349 *mptr
++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
2350 *mptr
++ = 1 << PAGE_SHIFT
;
2352 reqlen
= 14; // SINGLE SGE
2354 /* Now fill in the SGList and command */
2356 nseg
= scsi_dma_map(cmd
);
2359 struct scatterlist
*sg
;
2362 scsi_for_each_sg(cmd
, sg
, nseg
, i
) {
2364 *mptr
++ = direction
|0x10000000|sg_dma_len(sg
);
2365 len
+=sg_dma_len(sg
);
2366 addr
= sg_dma_address(sg
);
2367 *mptr
++ = dma_low(addr
);
2368 if (dpt_dma64(pHba
))
2369 *mptr
++ = dma_high(addr
);
2370 /* Make this an end of list */
2372 *lptr
= direction
|0xD0000000|sg_dma_len(sg
);
2374 reqlen
= mptr
- msg
;
2377 if(cmd
->underflow
&& len
!= cmd
->underflow
){
2378 printk(KERN_WARNING
"Cmd len %08X Cmd underflow %08X\n",
2379 len
, cmd
->underflow
);
2386 /* Stick the headers on */
2387 msg
[0] = reqlen
<<16 | ((reqlen
> 12) ? SGL_OFFSET_12
: SGL_OFFSET_0
);
2389 // Send it on it's way
2390 rcode
= adpt_i2o_post_this(pHba
, msg
, reqlen
<<2);
2398 static s32
adpt_scsi_host_alloc(adpt_hba
* pHba
, struct scsi_host_template
*sht
)
2400 struct Scsi_Host
*host
;
2402 host
= scsi_host_alloc(sht
, sizeof(adpt_hba
*));
2404 printk("%s: scsi_host_alloc returned NULL\n", pHba
->name
);
2407 host
->hostdata
[0] = (unsigned long)pHba
;
2410 host
->irq
= pHba
->pDev
->irq
;
2411 /* no IO ports, so don't have to set host->io_port and
2415 host
->n_io_port
= 0;
2416 /* see comments in scsi_host.h */
2418 host
->max_lun
= 256;
2419 host
->max_channel
= pHba
->top_scsi_channel
+ 1;
2420 host
->cmd_per_lun
= 1;
2421 host
->unique_id
= (u32
)sys_tbl_pa
+ pHba
->unit
;
2422 host
->sg_tablesize
= pHba
->sg_tablesize
;
2423 host
->can_queue
= pHba
->post_fifo_size
;
2429 static s32
adpt_i2o_to_scsi(void __iomem
*reply
, struct scsi_cmnd
* cmd
)
2434 u32 reply_flags
= readl(reply
) & 0xff00; // Leave it shifted up 8 bits
2435 // I know this would look cleaner if I just read bytes
2436 // but the model I have been using for all the rest of the
2437 // io is in 4 byte words - so I keep that model
2438 u16 detailed_status
= readl(reply
+16) &0xffff;
2439 dev_status
= (detailed_status
& 0xff);
2440 hba_status
= detailed_status
>> 8;
2442 // calculate resid for sg
2443 scsi_set_resid(cmd
, scsi_bufflen(cmd
) - readl(reply
+5));
2445 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
2447 cmd
->sense_buffer
[0] = '\0'; // initialize sense valid flag to false
2449 if(!(reply_flags
& MSG_FAIL
)) {
2450 switch(detailed_status
& I2O_SCSI_DSC_MASK
) {
2451 case I2O_SCSI_DSC_SUCCESS
:
2452 cmd
->result
= (DID_OK
<< 16);
2454 if(readl(reply
+5) < cmd
->underflow
) {
2455 cmd
->result
= (DID_ERROR
<<16);
2456 printk(KERN_WARNING
"%s: SCSI CMD underflow\n",pHba
->name
);
2459 case I2O_SCSI_DSC_REQUEST_ABORTED
:
2460 cmd
->result
= (DID_ABORT
<< 16);
2462 case I2O_SCSI_DSC_PATH_INVALID
:
2463 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT
:
2464 case I2O_SCSI_DSC_SELECTION_TIMEOUT
:
2465 case I2O_SCSI_DSC_COMMAND_TIMEOUT
:
2466 case I2O_SCSI_DSC_NO_ADAPTER
:
2467 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE
:
2468 printk(KERN_WARNING
"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2469 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
, hba_status
, dev_status
, cmd
->cmnd
[0]);
2470 cmd
->result
= (DID_TIME_OUT
<< 16);
2472 case I2O_SCSI_DSC_ADAPTER_BUSY
:
2473 case I2O_SCSI_DSC_BUS_BUSY
:
2474 cmd
->result
= (DID_BUS_BUSY
<< 16);
2476 case I2O_SCSI_DSC_SCSI_BUS_RESET
:
2477 case I2O_SCSI_DSC_BDR_MESSAGE_SENT
:
2478 cmd
->result
= (DID_RESET
<< 16);
2480 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE
:
2481 printk(KERN_WARNING
"%s: SCSI CMD parity error\n",pHba
->name
);
2482 cmd
->result
= (DID_PARITY
<< 16);
2484 case I2O_SCSI_DSC_UNABLE_TO_ABORT
:
2485 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR
:
2486 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE
:
2487 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED
:
2488 case I2O_SCSI_DSC_AUTOSENSE_FAILED
:
2489 case I2O_SCSI_DSC_DATA_OVERRUN
:
2490 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE
:
2491 case I2O_SCSI_DSC_SEQUENCE_FAILURE
:
2492 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR
:
2493 case I2O_SCSI_DSC_PROVIDE_FAILURE
:
2494 case I2O_SCSI_DSC_REQUEST_TERMINATED
:
2495 case I2O_SCSI_DSC_IDE_MESSAGE_SENT
:
2496 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT
:
2497 case I2O_SCSI_DSC_MESSAGE_RECEIVED
:
2498 case I2O_SCSI_DSC_INVALID_CDB
:
2499 case I2O_SCSI_DSC_LUN_INVALID
:
2500 case I2O_SCSI_DSC_SCSI_TID_INVALID
:
2501 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE
:
2502 case I2O_SCSI_DSC_NO_NEXUS
:
2503 case I2O_SCSI_DSC_CDB_RECEIVED
:
2504 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED
:
2505 case I2O_SCSI_DSC_QUEUE_FROZEN
:
2506 case I2O_SCSI_DSC_REQUEST_INVALID
:
2508 printk(KERN_WARNING
"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2509 pHba
->name
, detailed_status
& I2O_SCSI_DSC_MASK
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2510 hba_status
, dev_status
, cmd
->cmnd
[0]);
2511 cmd
->result
= (DID_ERROR
<< 16);
2515 // copy over the request sense data if it was a check
2517 if (dev_status
== SAM_STAT_CHECK_CONDITION
) {
2518 u32 len
= min(SCSI_SENSE_BUFFERSIZE
, 40);
2519 // Copy over the sense data
2520 memcpy_fromio(cmd
->sense_buffer
, (reply
+28) , len
);
2521 if(cmd
->sense_buffer
[0] == 0x70 /* class 7 */ &&
2522 cmd
->sense_buffer
[2] == DATA_PROTECT
){
2523 /* This is to handle an array failed */
2524 cmd
->result
= (DID_TIME_OUT
<< 16);
2525 printk(KERN_WARNING
"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2526 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2527 hba_status
, dev_status
, cmd
->cmnd
[0]);
2532 /* In this condtion we could not talk to the tid
2533 * the card rejected it. We should signal a retry
2534 * for a limitted number of retries.
2536 cmd
->result
= (DID_TIME_OUT
<< 16);
2537 printk(KERN_WARNING
"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n",
2538 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2539 ((struct adpt_device
*)(cmd
->device
->hostdata
))->tid
, cmd
->cmnd
[0]);
2542 cmd
->result
|= (dev_status
);
2544 if(cmd
->scsi_done
!= NULL
){
2545 cmd
->scsi_done(cmd
);
2551 static s32
adpt_rescan(adpt_hba
* pHba
)
2557 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2558 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0)
2560 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0)
2564 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2569 static s32
adpt_i2o_reparse_lct(adpt_hba
* pHba
)
2574 struct i2o_device
*d
;
2575 i2o_lct
*lct
= pHba
->lct
;
2579 u32 buf
[10]; // at least 8 u32's
2580 struct adpt_device
* pDev
= NULL
;
2581 struct i2o_device
* pI2o_dev
= NULL
;
2584 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
2588 max
= lct
->table_size
;
2592 // Mark each drive as unscanned
2593 for (d
= pHba
->devices
; d
; d
= d
->next
) {
2594 pDev
=(struct adpt_device
*) d
->owner
;
2598 pDev
->state
|= DPTI_DEV_UNSCANNED
;
2601 printk(KERN_INFO
"%s: LCT has %d entries.\n", pHba
->name
,max
);
2603 for(i
=0;i
<max
;i
++) {
2604 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
2608 if( lct
->lct_entry
[i
].class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
2609 lct
->lct_entry
[i
].class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
2610 lct
->lct_entry
[i
].class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
2611 tid
= lct
->lct_entry
[i
].tid
;
2612 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
2613 printk(KERN_ERR
"%s: Could not query device\n",pHba
->name
);
2616 bus_no
= buf
[0]>>16;
2618 scsi_lun
= (buf
[2]>>8 )&0xff;
2619 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2622 if(pDev
->scsi_lun
== scsi_lun
) {
2625 pDev
= pDev
->next_lun
;
2627 if(!pDev
) { // Something new add it
2628 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
2631 printk(KERN_CRIT
"Out of memory for I2O device data.\n");
2635 d
->controller
= pHba
;
2638 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2641 adpt_i2o_report_hba_unit(pHba
, d
);
2642 adpt_i2o_install_device(pHba
, d
);
2644 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
2645 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
2648 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2650 pDev
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2654 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
2656 while (pDev
->next_lun
) {
2657 pDev
= pDev
->next_lun
;
2659 pDev
= pDev
->next_lun
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2664 pDev
->tid
= d
->lct_data
.tid
;
2665 pDev
->scsi_channel
= bus_no
;
2666 pDev
->scsi_id
= scsi_id
;
2667 pDev
->scsi_lun
= scsi_lun
;
2670 pDev
->type
= (buf
[0])&0xff;
2671 pDev
->flags
= (buf
[0]>>8)&0xff;
2672 // Too late, SCSI system has made up it's mind, but what the hey ...
2673 if(scsi_id
> pHba
->top_scsi_id
){
2674 pHba
->top_scsi_id
= scsi_id
;
2676 if(scsi_lun
> pHba
->top_scsi_lun
){
2677 pHba
->top_scsi_lun
= scsi_lun
;
2680 } // end of new i2o device
2682 // We found an old device - check it
2684 if(pDev
->scsi_lun
== scsi_lun
) {
2685 if(!scsi_device_online(pDev
->pScsi_dev
)) {
2686 printk(KERN_WARNING
"%s: Setting device (%d,%d,%d) back online\n",
2687 pHba
->name
,bus_no
,scsi_id
,scsi_lun
);
2688 if (pDev
->pScsi_dev
) {
2689 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_RUNNING
);
2693 if(d
->lct_data
.tid
!= tid
) { // something changed
2695 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2696 if (pDev
->pScsi_dev
) {
2697 pDev
->pScsi_dev
->changed
= TRUE
;
2698 pDev
->pScsi_dev
->removable
= TRUE
;
2701 // Found it - mark it scanned
2702 pDev
->state
= DPTI_DEV_ONLINE
;
2705 pDev
= pDev
->next_lun
;
2709 for (pI2o_dev
= pHba
->devices
; pI2o_dev
; pI2o_dev
= pI2o_dev
->next
) {
2710 pDev
=(struct adpt_device
*) pI2o_dev
->owner
;
2714 // Drive offline drives that previously existed but could not be found
2716 if (pDev
->state
& DPTI_DEV_UNSCANNED
){
2717 pDev
->state
= DPTI_DEV_OFFLINE
;
2718 printk(KERN_WARNING
"%s: Device (%d,%d,%d) offline\n",pHba
->name
,pDev
->scsi_channel
,pDev
->scsi_id
,pDev
->scsi_lun
);
2719 if (pDev
->pScsi_dev
) {
2720 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_OFFLINE
);
2727 static void adpt_fail_posted_scbs(adpt_hba
* pHba
)
2729 struct scsi_cmnd
* cmd
= NULL
;
2730 struct scsi_device
* d
= NULL
;
2732 shost_for_each_device(d
, pHba
->host
) {
2733 unsigned long flags
;
2734 spin_lock_irqsave(&d
->list_lock
, flags
);
2735 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
2736 if(cmd
->serial_number
== 0){
2739 cmd
->result
= (DID_OK
<< 16) | (QUEUE_FULL
<<1);
2740 cmd
->scsi_done(cmd
);
2742 spin_unlock_irqrestore(&d
->list_lock
, flags
);
2747 /*============================================================================
2748 * Routines from i2o subsystem
2749 *============================================================================
2755 * Bring an I2O controller into HOLD state. See the spec.
2757 static int adpt_i2o_activate_hba(adpt_hba
* pHba
)
2761 if(pHba
->initialized
) {
2762 if (adpt_i2o_status_get(pHba
) < 0) {
2763 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2764 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2767 if (adpt_i2o_status_get(pHba
) < 0) {
2768 printk(KERN_INFO
"HBA not responding.\n");
2773 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_FAULTED
) {
2774 printk(KERN_CRIT
"%s: hardware fault\n", pHba
->name
);
2778 if (pHba
->status_block
->iop_state
== ADAPTER_STATE_READY
||
2779 pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
||
2780 pHba
->status_block
->iop_state
== ADAPTER_STATE_HOLD
||
2781 pHba
->status_block
->iop_state
== ADAPTER_STATE_FAILED
) {
2782 adpt_i2o_reset_hba(pHba
);
2783 if (adpt_i2o_status_get(pHba
) < 0 || pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
2784 printk(KERN_ERR
"%s: Failed to initialize.\n", pHba
->name
);
2789 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2790 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2796 if (adpt_i2o_init_outbound_q(pHba
) < 0) {
2802 if (adpt_i2o_hrt_get(pHba
) < 0) {
2810 * Bring a controller online into OPERATIONAL state.
2813 static int adpt_i2o_online_hba(adpt_hba
* pHba
)
2815 if (adpt_i2o_systab_send(pHba
) < 0) {
2816 adpt_i2o_delete_hba(pHba
);
2819 /* In READY state */
2821 if (adpt_i2o_enable_hba(pHba
) < 0) {
2822 adpt_i2o_delete_hba(pHba
);
2826 /* In OPERATIONAL state */
2830 static s32
adpt_send_nop(adpt_hba
*pHba
,u32 m
)
2833 ulong timeout
= jiffies
+ 5*HZ
;
2835 while(m
== EMPTY_QUEUE
){
2837 m
= readl(pHba
->post_port
);
2838 if(m
!= EMPTY_QUEUE
){
2841 if(time_after(jiffies
,timeout
)){
2842 printk(KERN_ERR
"%s: Timeout waiting for message frame!\n",pHba
->name
);
2845 schedule_timeout_uninterruptible(1);
2847 msg
= (u32 __iomem
*)(pHba
->msg_addr_virt
+ m
);
2848 writel( THREE_WORD_MSG_SIZE
| SGL_OFFSET_0
,&msg
[0]);
2849 writel( I2O_CMD_UTIL_NOP
<< 24 | HOST_TID
<< 12 | 0,&msg
[1]);
2853 writel(m
, pHba
->post_port
);
2858 static s32
adpt_i2o_init_outbound_q(adpt_hba
* pHba
)
2862 u32 __iomem
*msg
= NULL
;
2864 ulong timeout
= jiffies
+ TMOUT_INITOUTBOUND
*HZ
;
2869 m
= readl(pHba
->post_port
);
2870 if (m
!= EMPTY_QUEUE
) {
2874 if(time_after(jiffies
,timeout
)){
2875 printk(KERN_WARNING
"%s: Timeout waiting for message frame\n",pHba
->name
);
2878 schedule_timeout_uninterruptible(1);
2879 } while(m
== EMPTY_QUEUE
);
2881 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2883 status
= dma_alloc_coherent(&pHba
->pDev
->dev
, 4, &addr
, GFP_KERNEL
);
2885 adpt_send_nop(pHba
, m
);
2886 printk(KERN_WARNING
"%s: IOP reset failed - no free memory.\n",
2890 memset(status
, 0, 4);
2892 writel(EIGHT_WORD_MSG_SIZE
| SGL_OFFSET_6
, &msg
[0]);
2893 writel(I2O_CMD_OUTBOUND_INIT
<<24 | HOST_TID
<<12 | ADAPTER_TID
, &msg
[1]);
2895 writel(0x0106, &msg
[3]); /* Transaction context */
2896 writel(4096, &msg
[4]); /* Host page frame size */
2897 writel((REPLY_FRAME_SIZE
)<<16|0x80, &msg
[5]); /* Outbound msg frame size and Initcode */
2898 writel(0xD0000004, &msg
[6]); /* Simple SG LE, EOB */
2899 writel((u32
)addr
, &msg
[7]);
2901 writel(m
, pHba
->post_port
);
2904 // Wait for the reply status to come back
2907 if (*status
!= 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2912 if(time_after(jiffies
,timeout
)){
2913 printk(KERN_WARNING
"%s: Timeout Initializing\n",pHba
->name
);
2914 /* We lose 4 bytes of "status" here, but we
2915 cannot free these because controller may
2916 awake and corrupt those bytes at any time */
2917 /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
2920 schedule_timeout_uninterruptible(1);
2923 // If the command was successful, fill the fifo with our reply
2925 if(*status
!= 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2926 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
2929 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
2931 if(pHba
->reply_pool
!= NULL
) {
2932 dma_free_coherent(&pHba
->pDev
->dev
,
2933 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
2934 pHba
->reply_pool
, pHba
->reply_pool_pa
);
2937 pHba
->reply_pool
= dma_alloc_coherent(&pHba
->pDev
->dev
,
2938 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
2939 &pHba
->reply_pool_pa
, GFP_KERNEL
);
2940 if (!pHba
->reply_pool
) {
2941 printk(KERN_ERR
"%s: Could not allocate reply pool\n", pHba
->name
);
2944 memset(pHba
->reply_pool
, 0 , pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4);
2946 for(i
= 0; i
< pHba
->reply_fifo_size
; i
++) {
2947 writel(pHba
->reply_pool_pa
+ (i
* REPLY_FRAME_SIZE
* 4),
2951 adpt_i2o_status_get(pHba
);
2957 * I2O System Table. Contains information about
2958 * all the IOPs in the system. Used to inform IOPs
2959 * about each other's existence.
2961 * sys_tbl_ver is the CurrentChangeIndicator that is
2962 * used by IOPs to track changes.
2967 static s32
adpt_i2o_status_get(adpt_hba
* pHba
)
2972 u8
*status_block
=NULL
;
2974 if(pHba
->status_block
== NULL
) {
2975 pHba
->status_block
= dma_alloc_coherent(&pHba
->pDev
->dev
,
2976 sizeof(i2o_status_block
),
2977 &pHba
->status_block_pa
, GFP_KERNEL
);
2978 if(pHba
->status_block
== NULL
) {
2980 "dpti%d: Get Status Block failed; Out of memory. \n",
2985 memset(pHba
->status_block
, 0, sizeof(i2o_status_block
));
2986 status_block
= (u8
*)(pHba
->status_block
);
2987 timeout
= jiffies
+TMOUT_GETSTATUS
*HZ
;
2990 m
= readl(pHba
->post_port
);
2991 if (m
!= EMPTY_QUEUE
) {
2994 if(time_after(jiffies
,timeout
)){
2995 printk(KERN_ERR
"%s: Timeout waiting for message !\n",
2999 schedule_timeout_uninterruptible(1);
3000 } while(m
==EMPTY_QUEUE
);
3003 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
3005 writel(NINE_WORD_MSG_SIZE
|SGL_OFFSET_0
, &msg
[0]);
3006 writel(I2O_CMD_STATUS_GET
<<24|HOST_TID
<<12|ADAPTER_TID
, &msg
[1]);
3011 writel( dma_low(pHba
->status_block_pa
), &msg
[6]);
3012 writel( dma_high(pHba
->status_block_pa
), &msg
[7]);
3013 writel(sizeof(i2o_status_block
), &msg
[8]); // 88 bytes
3016 writel(m
, pHba
->post_port
);
3019 while(status_block
[87]!=0xff){
3020 if(time_after(jiffies
,timeout
)){
3021 printk(KERN_ERR
"dpti%d: Get status timeout.\n",
3026 schedule_timeout_uninterruptible(1);
3029 // Set up our number of outbound and inbound messages
3030 pHba
->post_fifo_size
= pHba
->status_block
->max_inbound_frames
;
3031 if (pHba
->post_fifo_size
> MAX_TO_IOP_MESSAGES
) {
3032 pHba
->post_fifo_size
= MAX_TO_IOP_MESSAGES
;
3035 pHba
->reply_fifo_size
= pHba
->status_block
->max_outbound_frames
;
3036 if (pHba
->reply_fifo_size
> MAX_FROM_IOP_MESSAGES
) {
3037 pHba
->reply_fifo_size
= MAX_FROM_IOP_MESSAGES
;
3040 // Calculate the Scatter Gather list size
3041 if (dpt_dma64(pHba
)) {
3043 = ((pHba
->status_block
->inbound_frame_size
* 4
3045 / (sizeof(struct sg_simple_element
) + sizeof(u32
)));
3048 = ((pHba
->status_block
->inbound_frame_size
* 4
3050 / sizeof(struct sg_simple_element
));
3052 if (pHba
->sg_tablesize
> SG_LIST_ELEMENTS
) {
3053 pHba
->sg_tablesize
= SG_LIST_ELEMENTS
;
3058 printk("dpti%d: State = ",pHba
->unit
);
3059 switch(pHba
->status_block
->iop_state
) {
3073 printk("OPERATIONAL\n");
3079 printk("FAULTED\n");
3082 printk("%x (unknown!!)\n",pHba
->status_block
->iop_state
);
3089 * Get the IOP's Logical Configuration Table
3091 static int adpt_i2o_lct_get(adpt_hba
* pHba
)
3097 if ((pHba
->lct_size
== 0) || (pHba
->lct
== NULL
)){
3098 pHba
->lct_size
= pHba
->status_block
->expected_lct_size
;
3101 if (pHba
->lct
== NULL
) {
3102 pHba
->lct
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3103 pHba
->lct_size
, &pHba
->lct_pa
,
3105 if(pHba
->lct
== NULL
) {
3106 printk(KERN_CRIT
"%s: Lct Get failed. Out of memory.\n",
3111 memset(pHba
->lct
, 0, pHba
->lct_size
);
3113 msg
[0] = EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_6
;
3114 msg
[1] = I2O_CMD_LCT_NOTIFY
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3117 msg
[4] = 0xFFFFFFFF; /* All devices */
3118 msg
[5] = 0x00000000; /* Report now */
3119 msg
[6] = 0xD0000000|pHba
->lct_size
;
3120 msg
[7] = (u32
)pHba
->lct_pa
;
3122 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 360))) {
3123 printk(KERN_ERR
"%s: LCT Get failed (status=%#10x.\n",
3125 printk(KERN_ERR
"Adaptec: Error Reading Hardware.\n");
3129 if ((pHba
->lct
->table_size
<< 2) > pHba
->lct_size
) {
3130 pHba
->lct_size
= pHba
->lct
->table_size
<< 2;
3131 dma_free_coherent(&pHba
->pDev
->dev
, pHba
->lct_size
,
3132 pHba
->lct
, pHba
->lct_pa
);
3135 } while (pHba
->lct
== NULL
);
3137 PDEBUG("%s: Hardware resource table read.\n", pHba
->name
);
3140 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
3141 if(adpt_i2o_query_scalar(pHba
, 0 , 0x8000, -1, buf
, sizeof(buf
))>=0) {
3142 pHba
->FwDebugBufferSize
= buf
[1];
3143 pHba
->FwDebugBuffer_P
= ioremap(pHba
->base_addr_phys
+ buf
[0],
3144 pHba
->FwDebugBufferSize
);
3145 if (pHba
->FwDebugBuffer_P
) {
3146 pHba
->FwDebugFlags_P
= pHba
->FwDebugBuffer_P
+
3147 FW_DEBUG_FLAGS_OFFSET
;
3148 pHba
->FwDebugBLEDvalue_P
= pHba
->FwDebugBuffer_P
+
3149 FW_DEBUG_BLED_OFFSET
;
3150 pHba
->FwDebugBLEDflag_P
= pHba
->FwDebugBLEDvalue_P
+ 1;
3151 pHba
->FwDebugStrLength_P
= pHba
->FwDebugBuffer_P
+
3152 FW_DEBUG_STR_LENGTH_OFFSET
;
3153 pHba
->FwDebugBuffer_P
+= buf
[2];
3154 pHba
->FwDebugFlags
= 0;
3161 static int adpt_i2o_build_sys_table(void)
3163 adpt_hba
* pHba
= hba_chain
;
3167 dma_free_coherent(&pHba
->pDev
->dev
, sys_tbl_len
,
3168 sys_tbl
, sys_tbl_pa
);
3170 sys_tbl_len
= sizeof(struct i2o_sys_tbl
) + // Header + IOPs
3171 (hba_count
) * sizeof(struct i2o_sys_tbl_entry
);
3173 sys_tbl
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3174 sys_tbl_len
, &sys_tbl_pa
, GFP_KERNEL
);
3176 printk(KERN_WARNING
"SysTab Set failed. Out of memory.\n");
3179 memset(sys_tbl
, 0, sys_tbl_len
);
3181 sys_tbl
->num_entries
= hba_count
;
3182 sys_tbl
->version
= I2OVERSION
;
3183 sys_tbl
->change_ind
= sys_tbl_ind
++;
3185 for(pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
3187 // Get updated Status Block so we have the latest information
3188 if (adpt_i2o_status_get(pHba
)) {
3189 sys_tbl
->num_entries
--;
3190 continue; // try next one
3193 sys_tbl
->iops
[count
].org_id
= pHba
->status_block
->org_id
;
3194 sys_tbl
->iops
[count
].iop_id
= pHba
->unit
+ 2;
3195 sys_tbl
->iops
[count
].seg_num
= 0;
3196 sys_tbl
->iops
[count
].i2o_version
= pHba
->status_block
->i2o_version
;
3197 sys_tbl
->iops
[count
].iop_state
= pHba
->status_block
->iop_state
;
3198 sys_tbl
->iops
[count
].msg_type
= pHba
->status_block
->msg_type
;
3199 sys_tbl
->iops
[count
].frame_size
= pHba
->status_block
->inbound_frame_size
;
3200 sys_tbl
->iops
[count
].last_changed
= sys_tbl_ind
- 1; // ??
3201 sys_tbl
->iops
[count
].iop_capabilities
= pHba
->status_block
->iop_capabilities
;
3202 addr
= pHba
->base_addr_phys
+ 0x40;
3203 sys_tbl
->iops
[count
].inbound_low
= dma_low(addr
);
3204 sys_tbl
->iops
[count
].inbound_high
= dma_high(addr
);
3211 u32
*table
= (u32
*)sys_tbl
;
3212 printk(KERN_DEBUG
"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len
>>2));
3213 for(count
= 0; count
< (sys_tbl_len
>>2); count
++) {
3214 printk(KERN_INFO
"sys_tbl[%d] = %0#10x\n",
3215 count
, table
[count
]);
3225 * Dump the information block associated with a given unit (TID)
3228 static void adpt_i2o_report_hba_unit(adpt_hba
* pHba
, struct i2o_device
*d
)
3231 int unit
= d
->lct_data
.tid
;
3233 printk(KERN_INFO
"TID %3.3d ", unit
);
3235 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 3, buf
, 16)>=0)
3238 printk(" Vendor: %-12.12s", buf
);
3240 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 4, buf
, 16)>=0)
3243 printk(" Device: %-12.12s", buf
);
3245 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 6, buf
, 8)>=0)
3248 printk(" Rev: %-12.12s\n", buf
);
3251 printk(KERN_INFO
"\tClass: %.21s\n", adpt_i2o_get_class_name(d
->lct_data
.class_id
));
3252 printk(KERN_INFO
"\tSubclass: 0x%04X\n", d
->lct_data
.sub_class
);
3253 printk(KERN_INFO
"\tFlags: ");
3255 if(d
->lct_data
.device_flags
&(1<<0))
3256 printk("C"); // ConfigDialog requested
3257 if(d
->lct_data
.device_flags
&(1<<1))
3258 printk("U"); // Multi-user capable
3259 if(!(d
->lct_data
.device_flags
&(1<<4)))
3260 printk("P"); // Peer service enabled!
3261 if(!(d
->lct_data
.device_flags
&(1<<5)))
3262 printk("M"); // Mgmt service enabled!
3269 * Do i2o class name lookup
3271 static const char *adpt_i2o_get_class_name(int class)
3274 static char *i2o_class_name
[] = {
3276 "Device Driver Module",
3281 "Fibre Channel Port",
3282 "Fibre Channel Device",
3286 "Floppy Controller",
3288 "Secondary Bus Port",
3289 "Peer Transport Agent",
3294 switch(class&0xFFF) {
3295 case I2O_CLASS_EXECUTIVE
:
3299 case I2O_CLASS_RANDOM_BLOCK_STORAGE
:
3301 case I2O_CLASS_SEQUENTIAL_STORAGE
:
3307 case I2O_CLASS_FIBRE_CHANNEL_PORT
:
3309 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
:
3311 case I2O_CLASS_SCSI_PERIPHERAL
:
3313 case I2O_CLASS_ATE_PORT
:
3315 case I2O_CLASS_ATE_PERIPHERAL
:
3317 case I2O_CLASS_FLOPPY_CONTROLLER
:
3319 case I2O_CLASS_FLOPPY_DEVICE
:
3321 case I2O_CLASS_BUS_ADAPTER_PORT
:
3323 case I2O_CLASS_PEER_TRANSPORT_AGENT
:
3325 case I2O_CLASS_PEER_TRANSPORT
:
3328 return i2o_class_name
[idx
];
3333 static s32
adpt_i2o_hrt_get(adpt_hba
* pHba
)
3336 int ret
, size
= sizeof(i2o_hrt
);
3339 if (pHba
->hrt
== NULL
) {
3340 pHba
->hrt
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3341 size
, &pHba
->hrt_pa
, GFP_KERNEL
);
3342 if (pHba
->hrt
== NULL
) {
3343 printk(KERN_CRIT
"%s: Hrt Get failed; Out of memory.\n", pHba
->name
);
3348 msg
[0]= SIX_WORD_MSG_SIZE
| SGL_OFFSET_4
;
3349 msg
[1]= I2O_CMD_HRT_GET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3352 msg
[4]= (0xD0000000 | size
); /* Simple transaction */
3353 msg
[5]= (u32
)pHba
->hrt_pa
; /* Dump it here */
3355 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
),20))) {
3356 printk(KERN_ERR
"%s: Unable to get HRT (status=%#10x)\n", pHba
->name
, ret
);
3360 if (pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2 > size
) {
3361 int newsize
= pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2;
3362 dma_free_coherent(&pHba
->pDev
->dev
, size
,
3363 pHba
->hrt
, pHba
->hrt_pa
);
3367 } while(pHba
->hrt
== NULL
);
3372 * Query one scalar group value or a whole scalar group.
3374 static int adpt_i2o_query_scalar(adpt_hba
* pHba
, int tid
,
3375 int group
, int field
, void *buf
, int buflen
)
3377 u16 opblk
[] = { 1, 0, I2O_PARAMS_FIELD_GET
, group
, 1, field
};
3379 dma_addr_t opblk_pa
;
3381 dma_addr_t resblk_pa
;
3385 /* 8 bytes for header */
3386 resblk_va
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3387 sizeof(u8
) * (8 + buflen
), &resblk_pa
, GFP_KERNEL
);
3388 if (resblk_va
== NULL
) {
3389 printk(KERN_CRIT
"%s: query scalar failed; Out of memory.\n", pHba
->name
);
3393 opblk_va
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3394 sizeof(opblk
), &opblk_pa
, GFP_KERNEL
);
3395 if (opblk_va
== NULL
) {
3396 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3397 resblk_va
, resblk_pa
);
3398 printk(KERN_CRIT
"%s: query operatio failed; Out of memory.\n",
3402 if (field
== -1) /* whole group */
3405 memcpy(opblk_va
, opblk
, sizeof(opblk
));
3406 size
= adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET
, pHba
, tid
,
3407 opblk_va
, opblk_pa
, sizeof(opblk
),
3408 resblk_va
, resblk_pa
, sizeof(u8
)*(8+buflen
));
3409 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(opblk
), opblk_va
, opblk_pa
);
3410 if (size
== -ETIME
) {
3411 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3412 resblk_va
, resblk_pa
);
3413 printk(KERN_WARNING
"%s: issue params failed; Timed out.\n", pHba
->name
);
3415 } else if (size
== -EINTR
) {
3416 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3417 resblk_va
, resblk_pa
);
3418 printk(KERN_WARNING
"%s: issue params failed; Interrupted.\n", pHba
->name
);
3422 memcpy(buf
, resblk_va
+8, buflen
); /* cut off header */
3424 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3425 resblk_va
, resblk_pa
);
3433 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3435 * This function can be used for all UtilParamsGet/Set operations.
3436 * The OperationBlock is given in opblk-buffer,
3437 * and results are returned in resblk-buffer.
3438 * Note that the minimum sized resblk is 8 bytes and contains
3439 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3441 static int adpt_i2o_issue_params(int cmd
, adpt_hba
* pHba
, int tid
,
3442 void *opblk_va
, dma_addr_t opblk_pa
, int oplen
,
3443 void *resblk_va
, dma_addr_t resblk_pa
, int reslen
)
3446 u32
*res
= (u32
*)resblk_va
;
3449 msg
[0] = NINE_WORD_MSG_SIZE
| SGL_OFFSET_5
;
3450 msg
[1] = cmd
<< 24 | HOST_TID
<< 12 | tid
;
3454 msg
[5] = 0x54000000 | oplen
; /* OperationBlock */
3455 msg
[6] = (u32
)opblk_pa
;
3456 msg
[7] = 0xD0000000 | reslen
; /* ResultBlock */
3457 msg
[8] = (u32
)resblk_pa
;
3459 if ((wait_status
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 20))) {
3460 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va
);
3461 return wait_status
; /* -DetailedStatus */
3464 if (res
[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3465 printk(KERN_WARNING
"%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3466 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3468 (cmd
== I2O_CMD_UTIL_PARAMS_SET
) ? "PARAMS_SET"
3470 res
[1]>>24, (res
[1]>>16)&0xFF, res
[1]&0xFFFF);
3471 return -((res
[1] >> 16) & 0xFF); /* -BlockStatus */
3474 return 4 + ((res
[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3478 static s32
adpt_i2o_quiesce_hba(adpt_hba
* pHba
)
3483 adpt_i2o_status_get(pHba
);
3485 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3487 if((pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
) &&
3488 (pHba
->status_block
->iop_state
!= ADAPTER_STATE_OPERATIONAL
)){
3492 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3493 msg
[1] = I2O_CMD_SYS_QUIESCE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3497 if((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3498 printk(KERN_INFO
"dpti%d: Unable to quiesce (status=%#x).\n",
3501 printk(KERN_INFO
"dpti%d: Quiesced.\n",pHba
->unit
);
3504 adpt_i2o_status_get(pHba
);
3510 * Enable IOP. Allows the IOP to resume external operations.
3512 static int adpt_i2o_enable_hba(adpt_hba
* pHba
)
3517 adpt_i2o_status_get(pHba
);
3518 if(!pHba
->status_block
){
3521 /* Enable only allowed on READY state */
3522 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
)
3525 if(pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
)
3528 msg
[0]=FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3529 msg
[1]=I2O_CMD_SYS_ENABLE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3533 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3534 printk(KERN_WARNING
"%s: Could not enable (status=%#10x).\n",
3537 PDEBUG("%s: Enabled.\n", pHba
->name
);
3540 adpt_i2o_status_get(pHba
);
3545 static int adpt_i2o_systab_send(adpt_hba
* pHba
)
3550 msg
[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6
;
3551 msg
[1] = I2O_CMD_SYS_TAB_SET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3554 msg
[4] = (0<<16) | ((pHba
->unit
+2) << 12); /* Host 0 IOP ID (unit + 2) */
3555 msg
[5] = 0; /* Segment 0 */
3558 * Provide three SGL-elements:
3559 * System table (SysTab), Private memory space declaration and
3560 * Private i/o space declaration
3562 msg
[6] = 0x54000000 | sys_tbl_len
;
3563 msg
[7] = (u32
)sys_tbl_pa
;
3564 msg
[8] = 0x54000000 | 0;
3566 msg
[10] = 0xD4000000 | 0;
3569 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 120))) {
3570 printk(KERN_INFO
"%s: Unable to set SysTab (status=%#10x).\n",
3575 PINFO("%s: SysTab set.\n", pHba
->name
);
3583 /*============================================================================
3585 *============================================================================
3591 static static void adpt_delay(int millisec
)
3594 for (i
= 0; i
< millisec
; i
++) {
3595 udelay(1000); /* delay for one millisecond */
3601 static struct scsi_host_template driver_template
= {
3602 .module
= THIS_MODULE
,
3604 .proc_name
= "dpt_i2o",
3605 .proc_info
= adpt_proc_info
,
3607 .queuecommand
= adpt_queue
,
3608 .eh_abort_handler
= adpt_abort
,
3609 .eh_device_reset_handler
= adpt_device_reset
,
3610 .eh_bus_reset_handler
= adpt_bus_reset
,
3611 .eh_host_reset_handler
= adpt_reset
,
3612 .bios_param
= adpt_bios_param
,
3613 .slave_configure
= adpt_slave_configure
,
3614 .can_queue
= MAX_TO_IOP_MESSAGES
,
3617 .use_clustering
= ENABLE_CLUSTERING
,
3620 static int __init
adpt_init(void)
3623 adpt_hba
*pHba
, *next
;
3625 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION
"\n");
3627 error
= adpt_detect(&driver_template
);
3630 if (hba_chain
== NULL
)
3633 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
3634 error
= scsi_add_host(pHba
->host
, &pHba
->pDev
->dev
);
3637 scsi_scan_host(pHba
->host
);
3641 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
3643 scsi_remove_host(pHba
->host
);
3648 static void __exit
adpt_exit(void)
3650 adpt_hba
*pHba
, *next
;
3652 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
)
3653 scsi_remove_host(pHba
->host
);
3654 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
3656 adpt_release(pHba
->host
);
3660 module_init(adpt_init
);
3661 module_exit(adpt_exit
);
3663 MODULE_LICENSE("GPL");