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 /* On the real kernel ADDR32 should always be zero for 2.4. GFP_HIGH allocates
33 high pages. Keep the macro around because of the broken unmerged ia64 tree */
37 #include <linux/module.h>
39 MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
40 MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
42 ////////////////////////////////////////////////////////////////
44 #include <linux/ioctl.h> /* For SCSI-Passthrough */
45 #include <asm/uaccess.h>
47 #include <linux/stat.h>
48 #include <linux/slab.h> /* for kmalloc() */
49 #include <linux/pci.h> /* for PCI support */
50 #include <linux/proc_fs.h>
51 #include <linux/blkdev.h>
52 #include <linux/delay.h> /* for udelay */
53 #include <linux/interrupt.h>
54 #include <linux/kernel.h> /* for printk */
55 #include <linux/sched.h>
56 #include <linux/reboot.h>
57 #include <linux/spinlock.h>
58 #include <linux/smp_lock.h>
59 #include <linux/dma-mapping.h>
61 #include <linux/timer.h>
62 #include <linux/string.h>
63 #include <linux/ioport.h>
64 #include <linux/mutex.h>
66 #include <asm/processor.h> /* for boot_cpu_data */
67 #include <asm/pgtable.h>
68 #include <asm/io.h> /* for virt_to_bus, etc. */
70 #include <scsi/scsi.h>
71 #include <scsi/scsi_cmnd.h>
72 #include <scsi/scsi_device.h>
73 #include <scsi/scsi_host.h>
74 #include <scsi/scsi_tcq.h>
76 #include "dpt/dptsig.h"
79 /*============================================================================
80 * Create a binary signature - this is read by dptsig
81 * Needed for our management apps
82 *============================================================================
84 static dpt_sig_S DPTI_sig
= {
85 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION
,
87 PROC_INTEL
, PROC_386
| PROC_486
| PROC_PENTIUM
| PROC_SEXIUM
,
88 #elif defined(__ia64__)
89 PROC_INTEL
, PROC_IA64
,
90 #elif defined(__sparc__)
91 PROC_ULTRASPARC
, PROC_ULTRASPARC
,
92 #elif defined(__alpha__)
93 PROC_ALPHA
, PROC_ALPHA
,
97 FT_HBADRVR
, 0, OEM_DPT
, OS_LINUX
, CAP_OVERLAP
, DEV_ALL
,
98 ADF_ALL_SC5
, 0, 0, DPT_VERSION
, DPT_REVISION
, DPT_SUBREVISION
,
99 DPT_MONTH
, DPT_DAY
, DPT_YEAR
, "Adaptec Linux I2O RAID Driver"
105 /*============================================================================
107 *============================================================================
110 static DEFINE_MUTEX(adpt_configuration_lock
);
112 static struct i2o_sys_tbl
*sys_tbl
= NULL
;
113 static int sys_tbl_ind
= 0;
114 static int sys_tbl_len
= 0;
116 static adpt_hba
* hba_chain
= NULL
;
117 static int hba_count
= 0;
119 static const struct file_operations adpt_fops
= {
122 .release
= adpt_close
125 #ifdef REBOOT_NOTIFIER
126 static struct notifier_block adpt_reboot_notifier
=
134 /* Structures and definitions for synchronous message posting.
135 * See adpt_i2o_post_wait() for description
137 struct adpt_i2o_post_wait_data
141 adpt_wait_queue_head_t
*wq
;
142 struct adpt_i2o_post_wait_data
*next
;
145 static struct adpt_i2o_post_wait_data
*adpt_post_wait_queue
= NULL
;
146 static u32 adpt_post_wait_id
= 0;
147 static DEFINE_SPINLOCK(adpt_post_wait_lock
);
150 /*============================================================================
152 *============================================================================
155 static u8
adpt_read_blink_led(adpt_hba
* host
)
157 if(host
->FwDebugBLEDflag_P
!= 0) {
158 if( readb(host
->FwDebugBLEDflag_P
) == 0xbc ){
159 return readb(host
->FwDebugBLEDvalue_P
);
165 /*============================================================================
166 * Scsi host template interface functions
167 *============================================================================
170 static struct pci_device_id dptids
[] = {
171 { PCI_DPT_VENDOR_ID
, PCI_DPT_DEVICE_ID
, PCI_ANY_ID
, PCI_ANY_ID
,},
172 { PCI_DPT_VENDOR_ID
, PCI_DPT_RAPTOR_DEVICE_ID
, PCI_ANY_ID
, PCI_ANY_ID
,},
175 MODULE_DEVICE_TABLE(pci
,dptids
);
177 static int adpt_detect(struct scsi_host_template
* sht
)
179 struct pci_dev
*pDev
= NULL
;
184 PINFO("Detecting Adaptec I2O RAID controllers...\n");
186 /* search for all Adatpec I2O RAID cards */
187 while ((pDev
= pci_get_device( PCI_DPT_VENDOR_ID
, PCI_ANY_ID
, pDev
))) {
188 if(pDev
->device
== PCI_DPT_DEVICE_ID
||
189 pDev
->device
== PCI_DPT_RAPTOR_DEVICE_ID
){
190 if(adpt_install_hba(sht
, pDev
) ){
191 PERROR("Could not Init an I2O RAID device\n");
192 PERROR("Will not try to detect others.\n");
199 /* In INIT state, Activate IOPs */
200 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
201 // Activate does get status , init outbound, and get hrt
202 if (adpt_i2o_activate_hba(pHba
) < 0) {
203 adpt_i2o_delete_hba(pHba
);
208 /* Active IOPs in HOLD state */
211 if (hba_chain
== NULL
)
215 * If build_sys_table fails, we kill everything and bail
216 * as we can't init the IOPs w/o a system table
218 if (adpt_i2o_build_sys_table() < 0) {
219 adpt_i2o_sys_shutdown();
223 PDEBUG("HBA's in HOLD state\n");
225 /* If IOP don't get online, we need to rebuild the System table */
226 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
227 if (adpt_i2o_online_hba(pHba
) < 0) {
228 adpt_i2o_delete_hba(pHba
);
229 goto rebuild_sys_tab
;
233 /* Active IOPs now in OPERATIONAL state */
234 PDEBUG("HBA's in OPERATIONAL state\n");
236 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
237 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
238 printk(KERN_INFO
"%s: Reading the hardware resource table.\n", pHba
->name
);
239 if (adpt_i2o_lct_get(pHba
) < 0){
240 adpt_i2o_delete_hba(pHba
);
244 if (adpt_i2o_parse_lct(pHba
) < 0){
245 adpt_i2o_delete_hba(pHba
);
251 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
252 if( adpt_scsi_register(pHba
,sht
) < 0){
253 adpt_i2o_delete_hba(pHba
);
256 pHba
->initialized
= TRUE
;
257 pHba
->state
&= ~DPTI_STATE_RESET
;
260 // Register our control device node
261 // nodes will need to be created in /dev to access this
262 // the nodes can not be created from within the driver
263 if (hba_count
&& register_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
, &adpt_fops
)) {
264 adpt_i2o_sys_shutdown();
272 * scsi_unregister will be called AFTER we return.
274 static int adpt_release(struct Scsi_Host
*host
)
276 adpt_hba
* pHba
= (adpt_hba
*) host
->hostdata
[0];
277 // adpt_i2o_quiesce_hba(pHba);
278 adpt_i2o_delete_hba(pHba
);
279 scsi_unregister(host
);
284 static void adpt_inquiry(adpt_hba
* pHba
)
297 memset(msg
, 0, sizeof(msg
));
298 buf
= kmalloc(80,GFP_KERNEL
|ADDR32
);
300 printk(KERN_ERR
"%s: Could not allocate buffer\n",pHba
->name
);
303 memset((void*)buf
, 0, 36);
306 direction
= 0x00000000;
307 scsidir
=0x40000000; // DATA IN (iop<--dev)
309 reqlen
= 14; // SINGLE SGE
310 /* Stick the headers on */
311 msg
[0] = reqlen
<<16 | SGL_OFFSET_12
;
312 msg
[1] = (0xff<<24|HOST_TID
<<12|ADAPTER_TID
);
315 // Adaptec/DPT Private stuff
316 msg
[4] = I2O_CMD_SCSI_EXEC
|DPT_ORGANIZATION_ID
<<16;
317 msg
[5] = ADAPTER_TID
| 1<<16 /* Interpret*/;
318 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
319 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
320 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
321 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
322 msg
[6] = scsidir
|0x20a00000| 6 /* cmd len*/;
326 memset(scb
, 0, sizeof(scb
));
327 // Write SCSI command into the message - always 16 byte block
334 // Don't care about the rest of scb
336 memcpy(mptr
, scb
, sizeof(scb
));
338 lenptr
=mptr
++; /* Remember me - fill in when we know */
340 /* Now fill in the SGList and command */
342 *mptr
++ = 0xD0000000|direction
|len
;
343 *mptr
++ = virt_to_bus(buf
);
345 // Send it on it's way
346 rcode
= adpt_i2o_post_wait(pHba
, msg
, reqlen
<<2, 120);
348 sprintf(pHba
->detail
, "Adaptec I2O RAID");
349 printk(KERN_INFO
"%s: Inquiry Error (%d)\n",pHba
->name
,rcode
);
350 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
353 memset(pHba
->detail
, 0, sizeof(pHba
->detail
));
354 memcpy(&(pHba
->detail
), "Vendor: Adaptec ", 16);
355 memcpy(&(pHba
->detail
[16]), " Model: ", 8);
356 memcpy(&(pHba
->detail
[24]), (u8
*) &buf
[16], 16);
357 memcpy(&(pHba
->detail
[40]), " FW: ", 4);
358 memcpy(&(pHba
->detail
[44]), (u8
*) &buf
[32], 4);
359 pHba
->detail
[48] = '\0'; /* precautionary */
362 adpt_i2o_status_get(pHba
);
367 static int adpt_slave_configure(struct scsi_device
* device
)
369 struct Scsi_Host
*host
= device
->host
;
372 pHba
= (adpt_hba
*) host
->hostdata
[0];
374 if (host
->can_queue
&& device
->tagged_supported
) {
375 scsi_adjust_queue_depth(device
, MSG_SIMPLE_TAG
,
376 host
->can_queue
- 1);
378 scsi_adjust_queue_depth(device
, 0, 1);
383 static int adpt_queue(struct scsi_cmnd
* cmd
, void (*done
) (struct scsi_cmnd
*))
385 adpt_hba
* pHba
= NULL
;
386 struct adpt_device
* pDev
= NULL
; /* dpt per device information */
388 cmd
->scsi_done
= done
;
390 * SCSI REQUEST_SENSE commands will be executed automatically by the
391 * Host Adapter for any errors, so they should not be executed
392 * explicitly unless the Sense Data is zero indicating that no error
396 if ((cmd
->cmnd
[0] == REQUEST_SENSE
) && (cmd
->sense_buffer
[0] != 0)) {
397 cmd
->result
= (DID_OK
<< 16);
402 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
409 * TODO: I need to block here if I am processing ioctl cmds
410 * but if the outstanding cmds all finish before the ioctl,
411 * the scsi-core will not know to start sending cmds to me again.
412 * I need to a way to restart the scsi-cores queues or should I block
413 * calling scsi_done on the outstanding cmds instead
414 * for now we don't set the IOCTL state
416 if(((pHba
->state
) & DPTI_STATE_IOCTL
) || ((pHba
->state
) & DPTI_STATE_RESET
)) {
417 pHba
->host
->last_reset
= jiffies
;
418 pHba
->host
->resetting
= 1;
422 // TODO if the cmd->device if offline then I may need to issue a bus rescan
423 // followed by a get_lct to see if the device is there anymore
424 if((pDev
= (struct adpt_device
*) (cmd
->device
->hostdata
)) == NULL
) {
426 * First command request for this device. Set up a pointer
427 * to the device structure. This should be a TEST_UNIT_READY
428 * command from scan_scsis_single.
430 if ((pDev
= adpt_find_device(pHba
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
)) == NULL
) {
431 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
432 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
433 cmd
->result
= (DID_NO_CONNECT
<< 16);
437 cmd
->device
->hostdata
= pDev
;
439 pDev
->pScsi_dev
= cmd
->device
;
442 * If we are being called from when the device is being reset,
443 * delay processing of the command until later.
445 if (pDev
->state
& DPTI_DEV_RESET
) {
448 return adpt_scsi_to_i2o(pHba
, cmd
, pDev
);
451 static int adpt_bios_param(struct scsi_device
*sdev
, struct block_device
*dev
,
452 sector_t capacity
, int geom
[])
458 // *** First lets set the default geometry ****
460 // If the capacity is less than ox2000
461 if (capacity
< 0x2000 ) { // floppy
465 // else if between 0x2000 and 0x20000
466 else if (capacity
< 0x20000) {
470 // else if between 0x20000 and 0x40000
471 else if (capacity
< 0x40000) {
475 // else if between 0x4000 and 0x80000
476 else if (capacity
< 0x80000) {
480 // else if greater than 0x80000
485 cylinders
= sector_div(capacity
, heads
* sectors
);
487 // Special case if CDROM
488 if(sdev
->type
== 5) { // CDROM
498 PDEBUG("adpt_bios_param: exit\n");
503 static const char *adpt_info(struct Scsi_Host
*host
)
507 pHba
= (adpt_hba
*) host
->hostdata
[0];
508 return (char *) (pHba
->detail
);
511 static int adpt_proc_info(struct Scsi_Host
*host
, char *buffer
, char **start
, off_t offset
,
512 int length
, int inout
)
514 struct adpt_device
* d
;
526 * The user has done a write and wants us to take the
527 * data in the buffer and do something with it.
528 * proc_scsiwrite calls us with inout = 1
530 * Read data from buffer (writing to us) - NOT SUPPORTED
536 * inout = 0 means the user has done a read and wants information
537 * returned, so we write information about the cards into the buffer
538 * proc_scsiread() calls us with inout = 0
541 // Find HBA (host bus adapter) we are looking for
542 mutex_lock(&adpt_configuration_lock
);
543 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
544 if (pHba
->host
== host
) {
545 break; /* found adapter */
548 mutex_unlock(&adpt_configuration_lock
);
554 len
= sprintf(buffer
, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION
);
555 len
+= sprintf(buffer
+len
, "%s\n", pHba
->detail
);
556 len
+= sprintf(buffer
+len
, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
557 pHba
->host
->host_no
, pHba
->name
, host
->irq
);
558 len
+= sprintf(buffer
+len
, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
559 host
->can_queue
, (int) pHba
->reply_fifo_size
, host
->sg_tablesize
);
564 if(pos
> offset
+ length
) {
569 * If we haven't even written to where we last left
570 * off (the last time we were called), reset the
576 len
+= sprintf(buffer
+len
, "Devices:\n");
577 for(chan
= 0; chan
< MAX_CHANNEL
; chan
++) {
578 for(id
= 0; id
< MAX_ID
; id
++) {
579 d
= pHba
->channel
[chan
].device
[id
];
581 len
+= sprintf(buffer
+len
,"\t%-24.24s", d
->pScsi_dev
->vendor
);
582 len
+= sprintf(buffer
+len
," Rev: %-8.8s\n", d
->pScsi_dev
->rev
);
587 if(pos
> offset
+ length
) {
595 unit
= d
->pI2o_dev
->lct_data
.tid
;
596 len
+= sprintf(buffer
+len
, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
597 unit
, (int)d
->scsi_channel
, (int)d
->scsi_id
, (int)d
->scsi_lun
,
598 scsi_device_online(d
->pScsi_dev
)? "online":"offline");
602 if(pos
> offset
+ length
) {
616 * begin is where we last checked our position with regards to offset
617 * begin is always less than offset. len is relative to begin. It
618 * is the number of bytes written past begin
622 /* stop the output and calculate the correct length */
623 *(buffer
+ len
) = '\0';
625 *start
= buffer
+ (offset
- begin
); /* Start of wanted data */
626 len
-= (offset
- begin
);
637 /*===========================================================================
638 * Error Handling routines
639 *===========================================================================
642 static int adpt_abort(struct scsi_cmnd
* cmd
)
644 adpt_hba
* pHba
= NULL
; /* host bus adapter structure */
645 struct adpt_device
* dptdevice
; /* dpt per device information */
649 if(cmd
->serial_number
== 0){
652 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
653 printk(KERN_INFO
"%s: Trying to Abort cmd=%ld\n",pHba
->name
, cmd
->serial_number
);
654 if ((dptdevice
= (void*) (cmd
->device
->hostdata
)) == NULL
) {
655 printk(KERN_ERR
"%s: Unable to abort: No device in cmnd\n",pHba
->name
);
659 memset(msg
, 0, sizeof(msg
));
660 msg
[0] = FIVE_WORD_MSG_SIZE
|SGL_OFFSET_0
;
661 msg
[1] = I2O_CMD_SCSI_ABORT
<<24|HOST_TID
<<12|dptdevice
->tid
;
666 spin_lock_irq(pHba
->host
->host_lock
);
667 rcode
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), FOREVER
);
669 spin_unlock_irq(pHba
->host
->host_lock
);
671 if(rcode
== -EOPNOTSUPP
){
672 printk(KERN_INFO
"%s: Abort cmd not supported\n",pHba
->name
);
675 printk(KERN_INFO
"%s: Abort cmd=%ld failed.\n",pHba
->name
, cmd
->serial_number
);
678 printk(KERN_INFO
"%s: Abort cmd=%ld complete.\n",pHba
->name
, cmd
->serial_number
);
683 #define I2O_DEVICE_RESET 0x27
684 // This is the same for BLK and SCSI devices
685 // NOTE this is wrong in the i2o.h definitions
686 // This is not currently supported by our adapter but we issue it anyway
687 static int adpt_device_reset(struct scsi_cmnd
* cmd
)
693 struct adpt_device
* d
= cmd
->device
->hostdata
;
695 pHba
= (void*) cmd
->device
->host
->hostdata
[0];
696 printk(KERN_INFO
"%s: Trying to reset device\n",pHba
->name
);
698 printk(KERN_INFO
"%s: Reset Device: Device Not found\n",pHba
->name
);
701 memset(msg
, 0, sizeof(msg
));
702 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
703 msg
[1] = (I2O_DEVICE_RESET
<<24|HOST_TID
<<12|d
->tid
);
708 spin_lock_irq(pHba
->host
->host_lock
);
709 old_state
= d
->state
;
710 d
->state
|= DPTI_DEV_RESET
;
711 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
712 d
->state
= old_state
;
714 spin_unlock_irq(pHba
->host
->host_lock
);
716 if(rcode
== -EOPNOTSUPP
){
717 printk(KERN_INFO
"%s: Device reset not supported\n",pHba
->name
);
720 printk(KERN_INFO
"%s: Device reset failed\n",pHba
->name
);
723 printk(KERN_INFO
"%s: Device reset successful\n",pHba
->name
);
729 #define I2O_HBA_BUS_RESET 0x87
730 // This version of bus reset is called by the eh_error handler
731 static int adpt_bus_reset(struct scsi_cmnd
* cmd
)
737 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
738 memset(msg
, 0, sizeof(msg
));
739 printk(KERN_WARNING
"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba
->name
, cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
740 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
741 msg
[1] = (I2O_HBA_BUS_RESET
<<24|HOST_TID
<<12|pHba
->channel
[cmd
->device
->channel
].tid
);
745 spin_lock_irq(pHba
->host
->host_lock
);
746 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
748 spin_unlock_irq(pHba
->host
->host_lock
);
750 printk(KERN_WARNING
"%s: Bus reset failed.\n",pHba
->name
);
753 printk(KERN_WARNING
"%s: Bus reset success.\n",pHba
->name
);
758 // This version of reset is called by the eh_error_handler
759 static int __adpt_reset(struct scsi_cmnd
* cmd
)
763 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
764 printk(KERN_WARNING
"%s: Hba Reset: scsi id %d: tid: %d\n",pHba
->name
,cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
765 rcode
= adpt_hba_reset(pHba
);
767 printk(KERN_WARNING
"%s: HBA reset complete\n",pHba
->name
);
770 printk(KERN_WARNING
"%s: HBA reset failed (%x)\n",pHba
->name
, rcode
);
775 static int adpt_reset(struct scsi_cmnd
* cmd
)
779 spin_lock_irq(cmd
->device
->host
->host_lock
);
780 rc
= __adpt_reset(cmd
);
781 spin_unlock_irq(cmd
->device
->host
->host_lock
);
786 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
787 static int adpt_hba_reset(adpt_hba
* pHba
)
791 pHba
->state
|= DPTI_STATE_RESET
;
793 // Activate does get status , init outbound, and get hrt
794 if ((rcode
=adpt_i2o_activate_hba(pHba
)) < 0) {
795 printk(KERN_ERR
"%s: Could not activate\n", pHba
->name
);
796 adpt_i2o_delete_hba(pHba
);
800 if ((rcode
=adpt_i2o_build_sys_table()) < 0) {
801 adpt_i2o_delete_hba(pHba
);
804 PDEBUG("%s: in HOLD state\n",pHba
->name
);
806 if ((rcode
=adpt_i2o_online_hba(pHba
)) < 0) {
807 adpt_i2o_delete_hba(pHba
);
810 PDEBUG("%s: in OPERATIONAL state\n",pHba
->name
);
812 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0){
813 adpt_i2o_delete_hba(pHba
);
817 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0){
818 adpt_i2o_delete_hba(pHba
);
821 pHba
->state
&= ~DPTI_STATE_RESET
;
823 adpt_fail_posted_scbs(pHba
);
824 return 0; /* return success */
827 /*===========================================================================
829 *===========================================================================
833 static void adpt_i2o_sys_shutdown(void)
835 adpt_hba
*pHba
, *pNext
;
836 struct adpt_i2o_post_wait_data
*p1
, *old
;
838 printk(KERN_INFO
"Shutting down Adaptec I2O controllers.\n");
839 printk(KERN_INFO
" This could take a few minutes if there are many devices attached\n");
840 /* Delete all IOPs from the controller chain */
841 /* They should have already been released by the
844 for (pHba
= hba_chain
; pHba
; pHba
= pNext
) {
846 adpt_i2o_delete_hba(pHba
);
849 /* Remove any timedout entries from the wait queue. */
850 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
851 /* Nothing should be outstanding at this point so just
854 for(p1
= adpt_post_wait_queue
; p1
;) {
859 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
860 adpt_post_wait_queue
= NULL
;
862 printk(KERN_INFO
"Adaptec I2O controllers down.\n");
866 * reboot/shutdown notification.
868 * - Quiesce each IOP in the system
872 #ifdef REBOOT_NOTIFIER
873 static int adpt_reboot_event(struct notifier_block
*n
, ulong code
, void *p
)
876 if(code
!= SYS_RESTART
&& code
!= SYS_HALT
&& code
!= SYS_POWER_OFF
)
879 adpt_i2o_sys_shutdown();
886 static int adpt_install_hba(struct scsi_host_template
* sht
, struct pci_dev
* pDev
)
889 adpt_hba
* pHba
= NULL
;
891 ulong base_addr0_phys
= 0;
892 ulong base_addr1_phys
= 0;
893 u32 hba_map0_area_size
= 0;
894 u32 hba_map1_area_size
= 0;
895 void __iomem
*base_addr_virt
= NULL
;
896 void __iomem
*msg_addr_virt
= NULL
;
898 int raptorFlag
= FALSE
;
900 if(pci_enable_device(pDev
)) {
904 if (pci_request_regions(pDev
, "dpt_i2o")) {
905 PERROR("dpti: adpt_config_hba: pci request region failed\n");
909 pci_set_master(pDev
);
910 if (pci_set_dma_mask(pDev
, DMA_64BIT_MASK
) &&
911 pci_set_dma_mask(pDev
, DMA_32BIT_MASK
))
914 base_addr0_phys
= pci_resource_start(pDev
,0);
915 hba_map0_area_size
= pci_resource_len(pDev
,0);
917 // Check if standard PCI card or single BAR Raptor
918 if(pDev
->device
== PCI_DPT_DEVICE_ID
){
919 if(pDev
->subsystem_device
>=0xc032 && pDev
->subsystem_device
<= 0xc03b){
920 // Raptor card with this device id needs 4M
921 hba_map0_area_size
= 0x400000;
922 } else { // Not Raptor - it is a PCI card
923 if(hba_map0_area_size
> 0x100000 ){
924 hba_map0_area_size
= 0x100000;
927 } else {// Raptor split BAR config
928 // Use BAR1 in this configuration
929 base_addr1_phys
= pci_resource_start(pDev
,1);
930 hba_map1_area_size
= pci_resource_len(pDev
,1);
934 base_addr_virt
= ioremap(base_addr0_phys
,hba_map0_area_size
);
935 if (!base_addr_virt
) {
936 pci_release_regions(pDev
);
937 PERROR("dpti: adpt_config_hba: io remap failed\n");
941 if(raptorFlag
== TRUE
) {
942 msg_addr_virt
= ioremap(base_addr1_phys
, hba_map1_area_size
);
943 if (!msg_addr_virt
) {
944 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
945 iounmap(base_addr_virt
);
946 pci_release_regions(pDev
);
950 msg_addr_virt
= base_addr_virt
;
953 // Allocate and zero the data structure
954 pHba
= kmalloc(sizeof(adpt_hba
), GFP_KERNEL
);
956 if(msg_addr_virt
!= base_addr_virt
){
957 iounmap(msg_addr_virt
);
959 iounmap(base_addr_virt
);
960 pci_release_regions(pDev
);
963 memset(pHba
, 0, sizeof(adpt_hba
));
965 mutex_lock(&adpt_configuration_lock
);
967 if(hba_chain
!= NULL
){
968 for(p
= hba_chain
; p
->next
; p
= p
->next
);
974 pHba
->unit
= hba_count
;
975 sprintf(pHba
->name
, "dpti%d", hba_count
);
978 mutex_unlock(&adpt_configuration_lock
);
981 pHba
->base_addr_phys
= base_addr0_phys
;
983 // Set up the Virtual Base Address of the I2O Device
984 pHba
->base_addr_virt
= base_addr_virt
;
985 pHba
->msg_addr_virt
= msg_addr_virt
;
986 pHba
->irq_mask
= base_addr_virt
+0x30;
987 pHba
->post_port
= base_addr_virt
+0x40;
988 pHba
->reply_port
= base_addr_virt
+0x44;
993 pHba
->status_block
= NULL
;
994 pHba
->post_count
= 0;
995 pHba
->state
= DPTI_STATE_RESET
;
997 pHba
->devices
= NULL
;
999 // Initializing the spinlocks
1000 spin_lock_init(&pHba
->state_lock
);
1001 spin_lock_init(&adpt_post_wait_lock
);
1003 if(raptorFlag
== 0){
1004 printk(KERN_INFO
"Adaptec I2O RAID controller %d at %p size=%x irq=%d\n",
1005 hba_count
-1, base_addr_virt
, hba_map0_area_size
, pDev
->irq
);
1007 printk(KERN_INFO
"Adaptec I2O RAID controller %d irq=%d\n",hba_count
-1, pDev
->irq
);
1008 printk(KERN_INFO
" BAR0 %p - size= %x\n",base_addr_virt
,hba_map0_area_size
);
1009 printk(KERN_INFO
" BAR1 %p - size= %x\n",msg_addr_virt
,hba_map1_area_size
);
1012 if (request_irq (pDev
->irq
, adpt_isr
, IRQF_SHARED
, pHba
->name
, pHba
)) {
1013 printk(KERN_ERR
"%s: Couldn't register IRQ %d\n", pHba
->name
, pDev
->irq
);
1014 adpt_i2o_delete_hba(pHba
);
1022 static void adpt_i2o_delete_hba(adpt_hba
* pHba
)
1026 struct i2o_device
* d
;
1027 struct i2o_device
* next
;
1030 struct adpt_device
* pDev
;
1031 struct adpt_device
* pNext
;
1034 mutex_lock(&adpt_configuration_lock
);
1035 // scsi_unregister calls our adpt_release which
1038 free_irq(pHba
->host
->irq
, pHba
);
1041 for( p1
= hba_chain
; p1
; p2
= p1
,p1
=p1
->next
){
1044 p2
->next
= p1
->next
;
1046 hba_chain
= p1
->next
;
1053 mutex_unlock(&adpt_configuration_lock
);
1055 iounmap(pHba
->base_addr_virt
);
1056 pci_release_regions(pHba
->pDev
);
1057 if(pHba
->msg_addr_virt
!= pHba
->base_addr_virt
){
1058 iounmap(pHba
->msg_addr_virt
);
1062 kfree(pHba
->status_block
);
1063 kfree(pHba
->reply_pool
);
1065 for(d
= pHba
->devices
; d
; d
= next
){
1069 for(i
= 0 ; i
< pHba
->top_scsi_channel
; i
++){
1070 for(j
= 0; j
< MAX_ID
; j
++){
1071 if(pHba
->channel
[i
].device
[j
] != NULL
){
1072 for(pDev
= pHba
->channel
[i
].device
[j
]; pDev
; pDev
= pNext
){
1073 pNext
= pDev
->next_lun
;
1079 pci_dev_put(pHba
->pDev
);
1083 unregister_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
);
1088 static int adpt_init(void)
1090 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION
"\n");
1091 #ifdef REBOOT_NOTIFIER
1092 register_reboot_notifier(&adpt_reboot_notifier
);
1099 static struct adpt_device
* adpt_find_device(adpt_hba
* pHba
, u32 chan
, u32 id
, u32 lun
)
1101 struct adpt_device
* d
;
1103 if(chan
< 0 || chan
>= MAX_CHANNEL
)
1106 if( pHba
->channel
[chan
].device
== NULL
){
1107 printk(KERN_DEBUG
"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1111 d
= pHba
->channel
[chan
].device
[id
];
1112 if(!d
|| d
->tid
== 0) {
1116 /* If it is the only lun at that address then this should match*/
1117 if(d
->scsi_lun
== lun
){
1121 /* else we need to look through all the luns */
1122 for(d
=d
->next_lun
; d
; d
= d
->next_lun
){
1123 if(d
->scsi_lun
== lun
){
1131 static int adpt_i2o_post_wait(adpt_hba
* pHba
, u32
* msg
, int len
, int timeout
)
1133 // I used my own version of the WAIT_QUEUE_HEAD
1134 // to handle some version differences
1135 // When embedded in the kernel this could go back to the vanilla one
1136 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post
);
1139 struct adpt_i2o_post_wait_data
*p1
, *p2
;
1140 struct adpt_i2o_post_wait_data
*wait_data
=
1141 kmalloc(sizeof(struct adpt_i2o_post_wait_data
),GFP_KERNEL
);
1142 DECLARE_WAITQUEUE(wait
, current
);
1148 * The spin locking is needed to keep anyone from playing
1149 * with the queue pointers and id while we do the same
1151 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1152 // TODO we need a MORE unique way of getting ids
1153 // to support async LCT get
1154 wait_data
->next
= adpt_post_wait_queue
;
1155 adpt_post_wait_queue
= wait_data
;
1156 adpt_post_wait_id
++;
1157 adpt_post_wait_id
&= 0x7fff;
1158 wait_data
->id
= adpt_post_wait_id
;
1159 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1161 wait_data
->wq
= &adpt_wq_i2o_post
;
1162 wait_data
->status
= -ETIMEDOUT
;
1164 add_wait_queue(&adpt_wq_i2o_post
, &wait
);
1166 msg
[2] |= 0x80000000 | ((u32
)wait_data
->id
);
1168 if((status
= adpt_i2o_post_this(pHba
, msg
, len
)) == 0){
1169 set_current_state(TASK_INTERRUPTIBLE
);
1171 spin_unlock_irq(pHba
->host
->host_lock
);
1175 timeout
= schedule_timeout(timeout
);
1177 // I/O issued, but cannot get result in
1178 // specified time. Freeing resorces is
1184 spin_lock_irq(pHba
->host
->host_lock
);
1186 remove_wait_queue(&adpt_wq_i2o_post
, &wait
);
1188 if(status
== -ETIMEDOUT
){
1189 printk(KERN_INFO
"dpti%d: POST WAIT TIMEOUT\n",pHba
->unit
);
1190 // We will have to free the wait_data memory during shutdown
1194 /* Remove the entry from the queue. */
1196 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1197 for(p1
= adpt_post_wait_queue
; p1
; p2
= p1
, p1
= p1
->next
) {
1198 if(p1
== wait_data
) {
1199 if(p1
->status
== I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION
) {
1200 status
= -EOPNOTSUPP
;
1203 p2
->next
= p1
->next
;
1205 adpt_post_wait_queue
= p1
->next
;
1210 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1218 static s32
adpt_i2o_post_this(adpt_hba
* pHba
, u32
* data
, int len
)
1221 u32 m
= EMPTY_QUEUE
;
1223 ulong timeout
= jiffies
+ 30*HZ
;
1226 m
= readl(pHba
->post_port
);
1227 if (m
!= EMPTY_QUEUE
) {
1230 if(time_after(jiffies
,timeout
)){
1231 printk(KERN_WARNING
"dpti%d: Timeout waiting for message frame!\n", pHba
->unit
);
1234 schedule_timeout_uninterruptible(1);
1235 } while(m
== EMPTY_QUEUE
);
1237 msg
= pHba
->msg_addr_virt
+ m
;
1238 memcpy_toio(msg
, data
, len
);
1242 writel(m
, pHba
->post_port
);
1249 static void adpt_i2o_post_wait_complete(u32 context
, int status
)
1251 struct adpt_i2o_post_wait_data
*p1
= NULL
;
1253 * We need to search through the adpt_post_wait
1254 * queue to see if the given message is still
1255 * outstanding. If not, it means that the IOP
1256 * took longer to respond to the message than we
1257 * had allowed and timer has already expired.
1258 * Not much we can do about that except log
1259 * it for debug purposes, increase timeout, and recompile
1261 * Lock needed to keep anyone from moving queue pointers
1262 * around while we're looking through them.
1267 spin_lock(&adpt_post_wait_lock
);
1268 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1269 if(p1
->id
== context
) {
1270 p1
->status
= status
;
1271 spin_unlock(&adpt_post_wait_lock
);
1272 wake_up_interruptible(p1
->wq
);
1276 spin_unlock(&adpt_post_wait_lock
);
1277 // If this happens we lose commands that probably really completed
1278 printk(KERN_DEBUG
"dpti: Could Not find task %d in wait queue\n",context
);
1279 printk(KERN_DEBUG
" Tasks in wait queue:\n");
1280 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1281 printk(KERN_DEBUG
" %d\n",p1
->id
);
1286 static s32
adpt_i2o_reset_hba(adpt_hba
* pHba
)
1290 u32 m
= EMPTY_QUEUE
;
1291 ulong timeout
= jiffies
+ (TMOUT_IOPRESET
*HZ
);
1293 if(pHba
->initialized
== FALSE
) { // First time reset should be quick
1294 timeout
= jiffies
+ (25*HZ
);
1296 adpt_i2o_quiesce_hba(pHba
);
1301 m
= readl(pHba
->post_port
);
1302 if (m
!= EMPTY_QUEUE
) {
1305 if(time_after(jiffies
,timeout
)){
1306 printk(KERN_WARNING
"Timeout waiting for message!\n");
1309 schedule_timeout_uninterruptible(1);
1310 } while (m
== EMPTY_QUEUE
);
1312 status
= kmalloc(4, GFP_KERNEL
|ADDR32
);
1313 if(status
== NULL
) {
1314 adpt_send_nop(pHba
, m
);
1315 printk(KERN_ERR
"IOP reset failed - no free memory.\n");
1320 msg
[0]=EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_0
;
1321 msg
[1]=I2O_CMD_ADAPTER_RESET
<<24|HOST_TID
<<12|ADAPTER_TID
;
1326 msg
[6]=virt_to_bus(status
);
1329 memcpy_toio(pHba
->msg_addr_virt
+m
, msg
, sizeof(msg
));
1331 writel(m
, pHba
->post_port
);
1334 while(*status
== 0){
1335 if(time_after(jiffies
,timeout
)){
1336 printk(KERN_WARNING
"%s: IOP Reset Timeout\n",pHba
->name
);
1341 schedule_timeout_uninterruptible(1);
1344 if(*status
== 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1345 PDEBUG("%s: Reset in progress...\n", pHba
->name
);
1346 // Here we wait for message frame to become available
1347 // indicated that reset has finished
1350 m
= readl(pHba
->post_port
);
1351 if (m
!= EMPTY_QUEUE
) {
1354 if(time_after(jiffies
,timeout
)){
1355 printk(KERN_ERR
"%s:Timeout waiting for IOP Reset.\n",pHba
->name
);
1358 schedule_timeout_uninterruptible(1);
1359 } while (m
== EMPTY_QUEUE
);
1361 adpt_send_nop(pHba
, m
);
1363 adpt_i2o_status_get(pHba
);
1364 if(*status
== 0x02 ||
1365 pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
1366 printk(KERN_WARNING
"%s: Reset reject, trying to clear\n",
1369 PDEBUG("%s: Reset completed.\n", pHba
->name
);
1374 // This delay is to allow someone attached to the card through the debug UART to
1375 // set up the dump levels that they want before the rest of the initialization sequence
1382 static int adpt_i2o_parse_lct(adpt_hba
* pHba
)
1387 struct i2o_device
*d
;
1388 i2o_lct
*lct
= pHba
->lct
;
1392 u32 buf
[10]; // larger than 7, or 8 ...
1393 struct adpt_device
* pDev
;
1396 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
1400 max
= lct
->table_size
;
1404 for(i
=0;i
<max
;i
++) {
1405 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
1407 * If we have hidden devices, we need to inform the upper layers about
1408 * the possible maximum id reference to handle device access when
1409 * an array is disassembled. This code has no other purpose but to
1410 * allow us future access to devices that are currently hidden
1411 * behind arrays, hotspares or have not been configured (JBOD mode).
1413 if( lct
->lct_entry
[i
].class_id
!= I2O_CLASS_RANDOM_BLOCK_STORAGE
&&
1414 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_SCSI_PERIPHERAL
&&
1415 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1418 tid
= lct
->lct_entry
[i
].tid
;
1419 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1420 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
1423 bus_no
= buf
[0]>>16;
1425 scsi_lun
= (buf
[2]>>8 )&0xff;
1426 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1427 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
1430 if (scsi_id
>= MAX_ID
){
1431 printk(KERN_WARNING
"%s: SCSI ID %d out of range \n", pHba
->name
, bus_no
);
1434 if(bus_no
> pHba
->top_scsi_channel
){
1435 pHba
->top_scsi_channel
= bus_no
;
1437 if(scsi_id
> pHba
->top_scsi_id
){
1438 pHba
->top_scsi_id
= scsi_id
;
1440 if(scsi_lun
> pHba
->top_scsi_lun
){
1441 pHba
->top_scsi_lun
= scsi_lun
;
1445 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
1448 printk(KERN_CRIT
"%s: Out of memory for I2O device data.\n",pHba
->name
);
1452 d
->controller
= pHba
;
1455 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
1458 tid
= d
->lct_data
.tid
;
1459 adpt_i2o_report_hba_unit(pHba
, d
);
1460 adpt_i2o_install_device(pHba
, d
);
1463 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1464 if(d
->lct_data
.class_id
== I2O_CLASS_BUS_ADAPTER_PORT
||
1465 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PORT
){
1466 tid
= d
->lct_data
.tid
;
1467 // TODO get the bus_no from hrt-but for now they are in order
1469 if(bus_no
> pHba
->top_scsi_channel
){
1470 pHba
->top_scsi_channel
= bus_no
;
1472 pHba
->channel
[bus_no
].type
= d
->lct_data
.class_id
;
1473 pHba
->channel
[bus_no
].tid
= tid
;
1474 if(adpt_i2o_query_scalar(pHba
, tid
, 0x0200, -1, buf
, 28)>=0)
1476 pHba
->channel
[bus_no
].scsi_id
= buf
[1];
1477 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no
, buf
[1]);
1479 // TODO remove - this is just until we get from hrt
1481 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1482 printk(KERN_WARNING
"%s: Channel number %d out of range - LCT\n", pHba
->name
, bus_no
);
1488 // Setup adpt_device table
1489 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1490 if(d
->lct_data
.class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
1491 d
->lct_data
.class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
1492 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1494 tid
= d
->lct_data
.tid
;
1496 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1497 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)>=0) {
1498 bus_no
= buf
[0]>>16;
1500 scsi_lun
= (buf
[2]>>8 )&0xff;
1501 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1504 if (scsi_id
>= MAX_ID
) {
1507 if( pHba
->channel
[bus_no
].device
[scsi_id
] == NULL
){
1508 pDev
= kmalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1512 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
1513 memset(pDev
,0,sizeof(struct adpt_device
));
1515 for( pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
1516 pDev
->next_lun
; pDev
= pDev
->next_lun
){
1518 pDev
->next_lun
= kmalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1519 if(pDev
->next_lun
== NULL
) {
1522 memset(pDev
->next_lun
,0,sizeof(struct adpt_device
));
1523 pDev
= pDev
->next_lun
;
1526 pDev
->scsi_channel
= bus_no
;
1527 pDev
->scsi_id
= scsi_id
;
1528 pDev
->scsi_lun
= scsi_lun
;
1531 pDev
->type
= (buf
[0])&0xff;
1532 pDev
->flags
= (buf
[0]>>8)&0xff;
1533 if(scsi_id
> pHba
->top_scsi_id
){
1534 pHba
->top_scsi_id
= scsi_id
;
1536 if(scsi_lun
> pHba
->top_scsi_lun
){
1537 pHba
->top_scsi_lun
= scsi_lun
;
1541 printk(KERN_WARNING
"Could not find SCSI ID for %s\n",
1542 d
->lct_data
.identity_tag
);
1551 * Each I2O controller has a chain of devices on it - these match
1552 * the useful parts of the LCT of the board.
1555 static int adpt_i2o_install_device(adpt_hba
* pHba
, struct i2o_device
*d
)
1557 mutex_lock(&adpt_configuration_lock
);
1560 d
->next
=pHba
->devices
;
1562 if (pHba
->devices
!= NULL
){
1563 pHba
->devices
->prev
=d
;
1568 mutex_unlock(&adpt_configuration_lock
);
1572 static int adpt_open(struct inode
*inode
, struct file
*file
)
1577 //TODO check for root access
1579 minor
= iminor(inode
);
1580 if (minor
>= hba_count
) {
1583 mutex_lock(&adpt_configuration_lock
);
1584 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1585 if (pHba
->unit
== minor
) {
1586 break; /* found adapter */
1590 mutex_unlock(&adpt_configuration_lock
);
1594 // if(pHba->in_use){
1595 // mutex_unlock(&adpt_configuration_lock);
1600 mutex_unlock(&adpt_configuration_lock
);
1605 static int adpt_close(struct inode
*inode
, struct file
*file
)
1610 minor
= iminor(inode
);
1611 if (minor
>= hba_count
) {
1614 mutex_lock(&adpt_configuration_lock
);
1615 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1616 if (pHba
->unit
== minor
) {
1617 break; /* found adapter */
1620 mutex_unlock(&adpt_configuration_lock
);
1631 static int adpt_i2o_passthru(adpt_hba
* pHba
, u32 __user
*arg
)
1633 u32 msg
[MAX_MESSAGE_SIZE
];
1637 u32 __user
*user_msg
= arg
;
1638 u32 __user
* user_reply
= NULL
;
1639 void *sg_list
[pHba
->sg_tablesize
];
1648 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1649 // get user msg size in u32s
1650 if(get_user(size
, &user_msg
[0])){
1655 user_reply
= &user_msg
[size
];
1656 if(size
> MAX_MESSAGE_SIZE
){
1659 size
*= 4; // Convert to bytes
1661 /* Copy in the user's I2O command */
1662 if(copy_from_user(msg
, user_msg
, size
)) {
1665 get_user(reply_size
, &user_reply
[0]);
1666 reply_size
= reply_size
>>16;
1667 if(reply_size
> REPLY_FRAME_SIZE
){
1668 reply_size
= REPLY_FRAME_SIZE
;
1671 reply
= kmalloc(REPLY_FRAME_SIZE
*4, GFP_KERNEL
);
1673 printk(KERN_WARNING
"%s: Could not allocate reply buffer\n",pHba
->name
);
1676 memset(reply
,0,REPLY_FRAME_SIZE
*4);
1677 sg_offset
= (msg
[0]>>4)&0xf;
1678 msg
[2] = 0x40000000; // IOCTL context
1679 msg
[3] = (u32
)reply
;
1680 memset(sg_list
,0, sizeof(sg_list
[0])*pHba
->sg_tablesize
);
1683 struct sg_simple_element
*sg
= (struct sg_simple_element
*) (msg
+sg_offset
);
1684 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1685 if (sg_count
> pHba
->sg_tablesize
){
1686 printk(KERN_DEBUG
"%s:IOCTL SG List too large (%u)\n", pHba
->name
,sg_count
);
1691 for(i
= 0; i
< sg_count
; i
++) {
1694 if (!(sg
[i
].flag_count
& 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1695 printk(KERN_DEBUG
"%s:Bad SG element %d - not simple (%x)\n",pHba
->name
,i
, sg
[i
].flag_count
);
1699 sg_size
= sg
[i
].flag_count
& 0xffffff;
1700 /* Allocate memory for the transfer */
1701 p
= kmalloc(sg_size
, GFP_KERNEL
|ADDR32
);
1703 printk(KERN_DEBUG
"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1704 pHba
->name
,sg_size
,i
,sg_count
);
1708 sg_list
[sg_index
++] = p
; // sglist indexed with input frame, not our internal frame.
1709 /* Copy in the user's SG buffer if necessary */
1710 if(sg
[i
].flag_count
& 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1712 if (copy_from_user(p
,(void __user
*)sg
[i
].addr_bus
, sg_size
)) {
1713 printk(KERN_DEBUG
"%s: Could not copy SG buf %d FROM user\n",pHba
->name
,i
);
1719 sg
[i
].addr_bus
= (u32
)virt_to_bus(p
);
1725 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1726 // This state stops any new commands from enterring the
1727 // controller while processing the ioctl
1728 // pHba->state |= DPTI_STATE_IOCTL;
1729 // We can't set this now - The scsi subsystem sets host_blocked and
1730 // the queue empties and stops. We need a way to restart the queue
1731 rcode
= adpt_i2o_post_wait(pHba
, msg
, size
, FOREVER
);
1733 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1735 // pHba->state &= ~DPTI_STATE_IOCTL;
1737 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
1738 } while(rcode
== -ETIMEDOUT
);
1745 /* Copy back the Scatter Gather buffers back to user space */
1748 struct sg_simple_element
* sg
;
1751 // re-acquire the original message to handle correctly the sg copy operation
1752 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1753 // get user msg size in u32s
1754 if(get_user(size
, &user_msg
[0])){
1760 /* Copy in the user's I2O command */
1761 if (copy_from_user (msg
, user_msg
, size
)) {
1765 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1768 sg
= (struct sg_simple_element
*)(msg
+ sg_offset
);
1769 for (j
= 0; j
< sg_count
; j
++) {
1770 /* Copy out the SG list to user's buffer if necessary */
1771 if(! (sg
[j
].flag_count
& 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1772 sg_size
= sg
[j
].flag_count
& 0xffffff;
1774 if (copy_to_user((void __user
*)sg
[j
].addr_bus
,sg_list
[j
], sg_size
)) {
1775 printk(KERN_WARNING
"%s: Could not copy %p TO user %x\n",pHba
->name
, sg_list
[j
], sg
[j
].addr_bus
);
1783 /* Copy back the reply to user space */
1785 // we wrote our own values for context - now restore the user supplied ones
1786 if(copy_from_user(reply
+2, user_msg
+2, sizeof(u32
)*2)) {
1787 printk(KERN_WARNING
"%s: Could not copy message context FROM user\n",pHba
->name
);
1790 if(copy_to_user(user_reply
, reply
, reply_size
)) {
1791 printk(KERN_WARNING
"%s: Could not copy reply TO user\n",pHba
->name
);
1798 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
1801 if(sg_list
[--sg_index
]) {
1802 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
1803 kfree(sg_list
[sg_index
]);
1811 * This routine returns information about the system. This does not effect
1812 * any logic and if the info is wrong - it doesn't matter.
1815 /* Get all the info we can not get from kernel services */
1816 static int adpt_system_info(void __user
*buffer
)
1820 memset(&si
, 0, sizeof(si
));
1822 si
.osType
= OS_LINUX
;
1823 si
.osMajorVersion
= 0;
1824 si
.osMinorVersion
= 0;
1826 si
.busType
= SI_PCI_BUS
;
1827 si
.processorFamily
= DPTI_sig
.dsProcessorFamily
;
1829 #if defined __i386__
1830 adpt_i386_info(&si
);
1831 #elif defined (__ia64__)
1832 adpt_ia64_info(&si
);
1833 #elif defined(__sparc__)
1834 adpt_sparc_info(&si
);
1835 #elif defined (__alpha__)
1836 adpt_alpha_info(&si
);
1838 si
.processorType
= 0xff ;
1840 if(copy_to_user(buffer
, &si
, sizeof(si
))){
1841 printk(KERN_WARNING
"dpti: Could not copy buffer TO user\n");
1848 #if defined __ia64__
1849 static void adpt_ia64_info(sysInfo_S
* si
)
1851 // This is all the info we need for now
1852 // We will add more info as our new
1853 // managmenent utility requires it
1854 si
->processorType
= PROC_IA64
;
1859 #if defined __sparc__
1860 static void adpt_sparc_info(sysInfo_S
* si
)
1862 // This is all the info we need for now
1863 // We will add more info as our new
1864 // managmenent utility requires it
1865 si
->processorType
= PROC_ULTRASPARC
;
1869 #if defined __alpha__
1870 static void adpt_alpha_info(sysInfo_S
* si
)
1872 // This is all the info we need for now
1873 // We will add more info as our new
1874 // managmenent utility requires it
1875 si
->processorType
= PROC_ALPHA
;
1879 #if defined __i386__
1881 static void adpt_i386_info(sysInfo_S
* si
)
1883 // This is all the info we need for now
1884 // We will add more info as our new
1885 // managmenent utility requires it
1886 switch (boot_cpu_data
.x86
) {
1888 si
->processorType
= PROC_386
;
1891 si
->processorType
= PROC_486
;
1894 si
->processorType
= PROC_PENTIUM
;
1896 default: // Just in case
1897 si
->processorType
= PROC_PENTIUM
;
1905 static int adpt_ioctl(struct inode
*inode
, struct file
*file
, uint cmd
,
1912 void __user
*argp
= (void __user
*)arg
;
1914 minor
= iminor(inode
);
1915 if (minor
>= DPTI_MAX_HBA
){
1918 mutex_lock(&adpt_configuration_lock
);
1919 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1920 if (pHba
->unit
== minor
) {
1921 break; /* found adapter */
1924 mutex_unlock(&adpt_configuration_lock
);
1929 while((volatile u32
) pHba
->state
& DPTI_STATE_RESET
)
1930 schedule_timeout_uninterruptible(2);
1933 // TODO: handle 3 cases
1935 if (copy_to_user(argp
, &DPTI_sig
, sizeof(DPTI_sig
))) {
1940 return adpt_i2o_passthru(pHba
, argp
);
1943 drvrHBAinfo_S HbaInfo
;
1945 #define FLG_OSD_PCI_VALID 0x0001
1946 #define FLG_OSD_DMA 0x0002
1947 #define FLG_OSD_I2O 0x0004
1948 memset(&HbaInfo
, 0, sizeof(HbaInfo
));
1949 HbaInfo
.drvrHBAnum
= pHba
->unit
;
1950 HbaInfo
.baseAddr
= (ulong
) pHba
->base_addr_phys
;
1951 HbaInfo
.blinkState
= adpt_read_blink_led(pHba
);
1952 HbaInfo
.pciBusNum
= pHba
->pDev
->bus
->number
;
1953 HbaInfo
.pciDeviceNum
=PCI_SLOT(pHba
->pDev
->devfn
);
1954 HbaInfo
.Interrupt
= pHba
->pDev
->irq
;
1955 HbaInfo
.hbaFlags
= FLG_OSD_PCI_VALID
| FLG_OSD_DMA
| FLG_OSD_I2O
;
1956 if(copy_to_user(argp
, &HbaInfo
, sizeof(HbaInfo
))){
1957 printk(KERN_WARNING
"%s: Could not copy HbaInfo TO user\n",pHba
->name
);
1963 return adpt_system_info(argp
);
1966 value
= (u32
)adpt_read_blink_led(pHba
);
1967 if (copy_to_user(argp
, &value
, sizeof(value
))) {
1974 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1975 adpt_hba_reset(pHba
);
1977 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
1990 static irqreturn_t
adpt_isr(int irq
, void *dev_id
)
1992 struct scsi_cmnd
* cmd
;
1993 adpt_hba
* pHba
= dev_id
;
1995 void __iomem
*reply
;
2002 printk(KERN_WARNING
"adpt_isr: NULL dev_id\n");
2006 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2008 while( readl(pHba
->irq_mask
) & I2O_INTERRUPT_PENDING_B
) {
2009 m
= readl(pHba
->reply_port
);
2010 if(m
== EMPTY_QUEUE
){
2011 // Try twice then give up
2013 m
= readl(pHba
->reply_port
);
2014 if(m
== EMPTY_QUEUE
){
2015 // This really should not happen
2016 printk(KERN_ERR
"dpti: Could not get reply frame\n");
2020 reply
= bus_to_virt(m
);
2022 if (readl(reply
) & MSG_FAIL
) {
2023 u32 old_m
= readl(reply
+28);
2026 PDEBUG("%s: Failed message\n",pHba
->name
);
2027 if(old_m
>= 0x100000){
2028 printk(KERN_ERR
"%s: Bad preserved MFA (%x)- dropping frame\n",pHba
->name
,old_m
);
2029 writel(m
,pHba
->reply_port
);
2032 // Transaction context is 0 in failed reply frame
2033 msg
= pHba
->msg_addr_virt
+ old_m
;
2034 old_context
= readl(msg
+12);
2035 writel(old_context
, reply
+12);
2036 adpt_send_nop(pHba
, old_m
);
2038 context
= readl(reply
+8);
2039 if(context
& 0x40000000){ // IOCTL
2040 void *p
= (void *)readl(reply
+12);
2042 memcpy_fromio(p
, reply
, REPLY_FRAME_SIZE
* 4);
2044 // All IOCTLs will also be post wait
2046 if(context
& 0x80000000){ // Post wait message
2047 status
= readl(reply
+16);
2049 status
&= 0xffff; /* Get detail status */
2051 status
= I2O_POST_WAIT_OK
;
2053 if(!(context
& 0x40000000)) {
2054 cmd
= (struct scsi_cmnd
*) readl(reply
+12);
2056 printk(KERN_WARNING
"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba
->name
, cmd
, context
);
2059 adpt_i2o_post_wait_complete(context
, status
);
2060 } else { // SCSI message
2061 cmd
= (struct scsi_cmnd
*) readl(reply
+12);
2063 if(cmd
->serial_number
!= 0) { // If not timedout
2064 adpt_i2o_to_scsi(reply
, cmd
);
2068 writel(m
, pHba
->reply_port
);
2074 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2075 return IRQ_RETVAL(handled
);
2078 static s32
adpt_scsi_to_i2o(adpt_hba
* pHba
, struct scsi_cmnd
* cmd
, struct adpt_device
* d
)
2081 u32 msg
[MAX_MESSAGE_SIZE
];
2090 memset(msg
, 0 , sizeof(msg
));
2091 len
= cmd
->request_bufflen
;
2092 direction
= 0x00000000;
2094 scsidir
= 0x00000000; // DATA NO XFER
2097 * Set SCBFlags to indicate if data is being transferred
2098 * in or out, or no data transfer
2099 * Note: Do not have to verify index is less than 0 since
2100 * cmd->cmnd[0] is an unsigned char
2102 switch(cmd
->sc_data_direction
){
2103 case DMA_FROM_DEVICE
:
2104 scsidir
=0x40000000; // DATA IN (iop<--dev)
2107 direction
=0x04000000; // SGL OUT
2108 scsidir
=0x80000000; // DATA OUT (iop-->dev)
2112 case DMA_BIDIRECTIONAL
:
2113 scsidir
=0x40000000; // DATA IN (iop<--dev)
2114 // Assume In - and continue;
2117 printk(KERN_WARNING
"%s: scsi opcode 0x%x not supported.\n",
2118 pHba
->name
, cmd
->cmnd
[0]);
2119 cmd
->result
= (DID_OK
<<16) | (INITIATOR_ERROR
<< 8);
2120 cmd
->scsi_done(cmd
);
2124 // msg[0] is set later
2125 // I2O_CMD_SCSI_EXEC
2126 msg
[1] = ((0xff<<24)|(HOST_TID
<<12)|d
->tid
);
2128 msg
[3] = (u32
)cmd
; /* We want the SCSI control block back */
2129 // Our cards use the transaction context as the tag for queueing
2130 // Adaptec/DPT Private stuff
2131 msg
[4] = I2O_CMD_SCSI_EXEC
|(DPT_ORGANIZATION_ID
<<16);
2133 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2134 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2135 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2136 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2137 msg
[6] = scsidir
|0x20a00000|cmd
->cmd_len
;
2141 // Write SCSI command into the message - always 16 byte block
2142 memset(mptr
, 0, 16);
2143 memcpy(mptr
, cmd
->cmnd
, cmd
->cmd_len
);
2145 lenptr
=mptr
++; /* Remember me - fill in when we know */
2146 reqlen
= 14; // SINGLE SGE
2147 /* Now fill in the SGList and command */
2149 struct scatterlist
*sg
= (struct scatterlist
*)cmd
->request_buffer
;
2150 int sg_count
= pci_map_sg(pHba
->pDev
, sg
, cmd
->use_sg
,
2151 cmd
->sc_data_direction
);
2155 for(i
= 0 ; i
< sg_count
; i
++) {
2156 *mptr
++ = direction
|0x10000000|sg_dma_len(sg
);
2157 len
+=sg_dma_len(sg
);
2158 *mptr
++ = sg_dma_address(sg
);
2161 /* Make this an end of list */
2162 mptr
[-2] = direction
|0xD0000000|sg_dma_len(sg
-1);
2163 reqlen
= mptr
- msg
;
2166 if(cmd
->underflow
&& len
!= cmd
->underflow
){
2167 printk(KERN_WARNING
"Cmd len %08X Cmd underflow %08X\n",
2168 len
, cmd
->underflow
);
2171 *lenptr
= len
= cmd
->request_bufflen
;
2175 *mptr
++ = 0xD0000000|direction
|cmd
->request_bufflen
;
2176 *mptr
++ = pci_map_single(pHba
->pDev
,
2177 cmd
->request_buffer
,
2178 cmd
->request_bufflen
,
2179 cmd
->sc_data_direction
);
2183 /* Stick the headers on */
2184 msg
[0] = reqlen
<<16 | ((reqlen
> 12) ? SGL_OFFSET_12
: SGL_OFFSET_0
);
2186 // Send it on it's way
2187 rcode
= adpt_i2o_post_this(pHba
, msg
, reqlen
<<2);
2195 static s32
adpt_scsi_register(adpt_hba
* pHba
,struct scsi_host_template
* sht
)
2197 struct Scsi_Host
*host
= NULL
;
2199 host
= scsi_register(sht
, sizeof(adpt_hba
*));
2201 printk ("%s: scsi_register returned NULL\n",pHba
->name
);
2204 host
->hostdata
[0] = (unsigned long)pHba
;
2207 host
->irq
= pHba
->pDev
->irq
;
2208 /* no IO ports, so don't have to set host->io_port and
2212 host
->n_io_port
= 0;
2213 /* see comments in scsi_host.h */
2215 host
->max_lun
= 256;
2216 host
->max_channel
= pHba
->top_scsi_channel
+ 1;
2217 host
->cmd_per_lun
= 1;
2218 host
->unique_id
= (uint
) pHba
;
2219 host
->sg_tablesize
= pHba
->sg_tablesize
;
2220 host
->can_queue
= pHba
->post_fifo_size
;
2226 static s32
adpt_i2o_to_scsi(void __iomem
*reply
, struct scsi_cmnd
* cmd
)
2231 u32 reply_flags
= readl(reply
) & 0xff00; // Leave it shifted up 8 bits
2232 // I know this would look cleaner if I just read bytes
2233 // but the model I have been using for all the rest of the
2234 // io is in 4 byte words - so I keep that model
2235 u16 detailed_status
= readl(reply
+16) &0xffff;
2236 dev_status
= (detailed_status
& 0xff);
2237 hba_status
= detailed_status
>> 8;
2239 // calculate resid for sg
2240 cmd
->resid
= cmd
->request_bufflen
- readl(reply
+5);
2242 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
2244 cmd
->sense_buffer
[0] = '\0'; // initialize sense valid flag to false
2246 if(!(reply_flags
& MSG_FAIL
)) {
2247 switch(detailed_status
& I2O_SCSI_DSC_MASK
) {
2248 case I2O_SCSI_DSC_SUCCESS
:
2249 cmd
->result
= (DID_OK
<< 16);
2251 if(readl(reply
+5) < cmd
->underflow
) {
2252 cmd
->result
= (DID_ERROR
<<16);
2253 printk(KERN_WARNING
"%s: SCSI CMD underflow\n",pHba
->name
);
2256 case I2O_SCSI_DSC_REQUEST_ABORTED
:
2257 cmd
->result
= (DID_ABORT
<< 16);
2259 case I2O_SCSI_DSC_PATH_INVALID
:
2260 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT
:
2261 case I2O_SCSI_DSC_SELECTION_TIMEOUT
:
2262 case I2O_SCSI_DSC_COMMAND_TIMEOUT
:
2263 case I2O_SCSI_DSC_NO_ADAPTER
:
2264 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE
:
2265 printk(KERN_WARNING
"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2266 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
, hba_status
, dev_status
, cmd
->cmnd
[0]);
2267 cmd
->result
= (DID_TIME_OUT
<< 16);
2269 case I2O_SCSI_DSC_ADAPTER_BUSY
:
2270 case I2O_SCSI_DSC_BUS_BUSY
:
2271 cmd
->result
= (DID_BUS_BUSY
<< 16);
2273 case I2O_SCSI_DSC_SCSI_BUS_RESET
:
2274 case I2O_SCSI_DSC_BDR_MESSAGE_SENT
:
2275 cmd
->result
= (DID_RESET
<< 16);
2277 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE
:
2278 printk(KERN_WARNING
"%s: SCSI CMD parity error\n",pHba
->name
);
2279 cmd
->result
= (DID_PARITY
<< 16);
2281 case I2O_SCSI_DSC_UNABLE_TO_ABORT
:
2282 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR
:
2283 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE
:
2284 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED
:
2285 case I2O_SCSI_DSC_AUTOSENSE_FAILED
:
2286 case I2O_SCSI_DSC_DATA_OVERRUN
:
2287 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE
:
2288 case I2O_SCSI_DSC_SEQUENCE_FAILURE
:
2289 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR
:
2290 case I2O_SCSI_DSC_PROVIDE_FAILURE
:
2291 case I2O_SCSI_DSC_REQUEST_TERMINATED
:
2292 case I2O_SCSI_DSC_IDE_MESSAGE_SENT
:
2293 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT
:
2294 case I2O_SCSI_DSC_MESSAGE_RECEIVED
:
2295 case I2O_SCSI_DSC_INVALID_CDB
:
2296 case I2O_SCSI_DSC_LUN_INVALID
:
2297 case I2O_SCSI_DSC_SCSI_TID_INVALID
:
2298 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE
:
2299 case I2O_SCSI_DSC_NO_NEXUS
:
2300 case I2O_SCSI_DSC_CDB_RECEIVED
:
2301 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED
:
2302 case I2O_SCSI_DSC_QUEUE_FROZEN
:
2303 case I2O_SCSI_DSC_REQUEST_INVALID
:
2305 printk(KERN_WARNING
"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2306 pHba
->name
, detailed_status
& I2O_SCSI_DSC_MASK
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2307 hba_status
, dev_status
, cmd
->cmnd
[0]);
2308 cmd
->result
= (DID_ERROR
<< 16);
2312 // copy over the request sense data if it was a check
2314 if(dev_status
== 0x02 /*CHECK_CONDITION*/) {
2315 u32 len
= sizeof(cmd
->sense_buffer
);
2316 len
= (len
> 40) ? 40 : len
;
2317 // Copy over the sense data
2318 memcpy_fromio(cmd
->sense_buffer
, (reply
+28) , len
);
2319 if(cmd
->sense_buffer
[0] == 0x70 /* class 7 */ &&
2320 cmd
->sense_buffer
[2] == DATA_PROTECT
){
2321 /* This is to handle an array failed */
2322 cmd
->result
= (DID_TIME_OUT
<< 16);
2323 printk(KERN_WARNING
"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2324 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2325 hba_status
, dev_status
, cmd
->cmnd
[0]);
2330 /* In this condtion we could not talk to the tid
2331 * the card rejected it. We should signal a retry
2332 * for a limitted number of retries.
2334 cmd
->result
= (DID_TIME_OUT
<< 16);
2335 printk(KERN_WARNING
"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n",
2336 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2337 ((struct adpt_device
*)(cmd
->device
->hostdata
))->tid
, cmd
->cmnd
[0]);
2340 cmd
->result
|= (dev_status
);
2342 if(cmd
->scsi_done
!= NULL
){
2343 cmd
->scsi_done(cmd
);
2349 static s32
adpt_rescan(adpt_hba
* pHba
)
2355 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2356 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0)
2358 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0)
2362 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2367 static s32
adpt_i2o_reparse_lct(adpt_hba
* pHba
)
2372 struct i2o_device
*d
;
2373 i2o_lct
*lct
= pHba
->lct
;
2377 u32 buf
[10]; // at least 8 u32's
2378 struct adpt_device
* pDev
= NULL
;
2379 struct i2o_device
* pI2o_dev
= NULL
;
2382 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
2386 max
= lct
->table_size
;
2390 // Mark each drive as unscanned
2391 for (d
= pHba
->devices
; d
; d
= d
->next
) {
2392 pDev
=(struct adpt_device
*) d
->owner
;
2396 pDev
->state
|= DPTI_DEV_UNSCANNED
;
2399 printk(KERN_INFO
"%s: LCT has %d entries.\n", pHba
->name
,max
);
2401 for(i
=0;i
<max
;i
++) {
2402 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
2406 if( lct
->lct_entry
[i
].class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
2407 lct
->lct_entry
[i
].class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
2408 lct
->lct_entry
[i
].class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
2409 tid
= lct
->lct_entry
[i
].tid
;
2410 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
2411 printk(KERN_ERR
"%s: Could not query device\n",pHba
->name
);
2414 bus_no
= buf
[0]>>16;
2416 scsi_lun
= (buf
[2]>>8 )&0xff;
2417 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2420 if(pDev
->scsi_lun
== scsi_lun
) {
2423 pDev
= pDev
->next_lun
;
2425 if(!pDev
) { // Something new add it
2426 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
2429 printk(KERN_CRIT
"Out of memory for I2O device data.\n");
2433 d
->controller
= pHba
;
2436 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2439 adpt_i2o_report_hba_unit(pHba
, d
);
2440 adpt_i2o_install_device(pHba
, d
);
2442 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
2443 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
2446 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2448 pDev
= kmalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2452 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
2454 while (pDev
->next_lun
) {
2455 pDev
= pDev
->next_lun
;
2457 pDev
= pDev
->next_lun
= kmalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2462 memset(pDev
,0,sizeof(struct adpt_device
));
2463 pDev
->tid
= d
->lct_data
.tid
;
2464 pDev
->scsi_channel
= bus_no
;
2465 pDev
->scsi_id
= scsi_id
;
2466 pDev
->scsi_lun
= scsi_lun
;
2469 pDev
->type
= (buf
[0])&0xff;
2470 pDev
->flags
= (buf
[0]>>8)&0xff;
2471 // Too late, SCSI system has made up it's mind, but what the hey ...
2472 if(scsi_id
> pHba
->top_scsi_id
){
2473 pHba
->top_scsi_id
= scsi_id
;
2475 if(scsi_lun
> pHba
->top_scsi_lun
){
2476 pHba
->top_scsi_lun
= scsi_lun
;
2479 } // end of new i2o device
2481 // We found an old device - check it
2483 if(pDev
->scsi_lun
== scsi_lun
) {
2484 if(!scsi_device_online(pDev
->pScsi_dev
)) {
2485 printk(KERN_WARNING
"%s: Setting device (%d,%d,%d) back online\n",
2486 pHba
->name
,bus_no
,scsi_id
,scsi_lun
);
2487 if (pDev
->pScsi_dev
) {
2488 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_RUNNING
);
2492 if(d
->lct_data
.tid
!= tid
) { // something changed
2494 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2495 if (pDev
->pScsi_dev
) {
2496 pDev
->pScsi_dev
->changed
= TRUE
;
2497 pDev
->pScsi_dev
->removable
= TRUE
;
2500 // Found it - mark it scanned
2501 pDev
->state
= DPTI_DEV_ONLINE
;
2504 pDev
= pDev
->next_lun
;
2508 for (pI2o_dev
= pHba
->devices
; pI2o_dev
; pI2o_dev
= pI2o_dev
->next
) {
2509 pDev
=(struct adpt_device
*) pI2o_dev
->owner
;
2513 // Drive offline drives that previously existed but could not be found
2515 if (pDev
->state
& DPTI_DEV_UNSCANNED
){
2516 pDev
->state
= DPTI_DEV_OFFLINE
;
2517 printk(KERN_WARNING
"%s: Device (%d,%d,%d) offline\n",pHba
->name
,pDev
->scsi_channel
,pDev
->scsi_id
,pDev
->scsi_lun
);
2518 if (pDev
->pScsi_dev
) {
2519 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_OFFLINE
);
2526 static void adpt_fail_posted_scbs(adpt_hba
* pHba
)
2528 struct scsi_cmnd
* cmd
= NULL
;
2529 struct scsi_device
* d
= NULL
;
2531 shost_for_each_device(d
, pHba
->host
) {
2532 unsigned long flags
;
2533 spin_lock_irqsave(&d
->list_lock
, flags
);
2534 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
2535 if(cmd
->serial_number
== 0){
2538 cmd
->result
= (DID_OK
<< 16) | (QUEUE_FULL
<<1);
2539 cmd
->scsi_done(cmd
);
2541 spin_unlock_irqrestore(&d
->list_lock
, flags
);
2546 /*============================================================================
2547 * Routines from i2o subsystem
2548 *============================================================================
2554 * Bring an I2O controller into HOLD state. See the spec.
2556 static int adpt_i2o_activate_hba(adpt_hba
* pHba
)
2560 if(pHba
->initialized
) {
2561 if (adpt_i2o_status_get(pHba
) < 0) {
2562 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2563 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2566 if (adpt_i2o_status_get(pHba
) < 0) {
2567 printk(KERN_INFO
"HBA not responding.\n");
2572 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_FAULTED
) {
2573 printk(KERN_CRIT
"%s: hardware fault\n", pHba
->name
);
2577 if (pHba
->status_block
->iop_state
== ADAPTER_STATE_READY
||
2578 pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
||
2579 pHba
->status_block
->iop_state
== ADAPTER_STATE_HOLD
||
2580 pHba
->status_block
->iop_state
== ADAPTER_STATE_FAILED
) {
2581 adpt_i2o_reset_hba(pHba
);
2582 if (adpt_i2o_status_get(pHba
) < 0 || pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
2583 printk(KERN_ERR
"%s: Failed to initialize.\n", pHba
->name
);
2588 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2589 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2595 if (adpt_i2o_init_outbound_q(pHba
) < 0) {
2601 if (adpt_i2o_hrt_get(pHba
) < 0) {
2609 * Bring a controller online into OPERATIONAL state.
2612 static int adpt_i2o_online_hba(adpt_hba
* pHba
)
2614 if (adpt_i2o_systab_send(pHba
) < 0) {
2615 adpt_i2o_delete_hba(pHba
);
2618 /* In READY state */
2620 if (adpt_i2o_enable_hba(pHba
) < 0) {
2621 adpt_i2o_delete_hba(pHba
);
2625 /* In OPERATIONAL state */
2629 static s32
adpt_send_nop(adpt_hba
*pHba
,u32 m
)
2632 ulong timeout
= jiffies
+ 5*HZ
;
2634 while(m
== EMPTY_QUEUE
){
2636 m
= readl(pHba
->post_port
);
2637 if(m
!= EMPTY_QUEUE
){
2640 if(time_after(jiffies
,timeout
)){
2641 printk(KERN_ERR
"%s: Timeout waiting for message frame!\n",pHba
->name
);
2644 schedule_timeout_uninterruptible(1);
2646 msg
= (u32 __iomem
*)(pHba
->msg_addr_virt
+ m
);
2647 writel( THREE_WORD_MSG_SIZE
| SGL_OFFSET_0
,&msg
[0]);
2648 writel( I2O_CMD_UTIL_NOP
<< 24 | HOST_TID
<< 12 | 0,&msg
[1]);
2652 writel(m
, pHba
->post_port
);
2657 static s32
adpt_i2o_init_outbound_q(adpt_hba
* pHba
)
2660 u32 __iomem
*msg
= NULL
;
2662 ulong timeout
= jiffies
+ TMOUT_INITOUTBOUND
*HZ
;
2664 u32 outbound_frame
; // This had to be a 32 bit address
2669 m
= readl(pHba
->post_port
);
2670 if (m
!= EMPTY_QUEUE
) {
2674 if(time_after(jiffies
,timeout
)){
2675 printk(KERN_WARNING
"%s: Timeout waiting for message frame\n",pHba
->name
);
2678 schedule_timeout_uninterruptible(1);
2679 } while(m
== EMPTY_QUEUE
);
2681 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2683 status
= kmalloc(4,GFP_KERNEL
|ADDR32
);
2685 adpt_send_nop(pHba
, m
);
2686 printk(KERN_WARNING
"%s: IOP reset failed - no free memory.\n",
2690 memset(status
, 0, 4);
2692 writel(EIGHT_WORD_MSG_SIZE
| SGL_OFFSET_6
, &msg
[0]);
2693 writel(I2O_CMD_OUTBOUND_INIT
<<24 | HOST_TID
<<12 | ADAPTER_TID
, &msg
[1]);
2695 writel(0x0106, &msg
[3]); /* Transaction context */
2696 writel(4096, &msg
[4]); /* Host page frame size */
2697 writel((REPLY_FRAME_SIZE
)<<16|0x80, &msg
[5]); /* Outbound msg frame size and Initcode */
2698 writel(0xD0000004, &msg
[6]); /* Simple SG LE, EOB */
2699 writel(virt_to_bus(status
), &msg
[7]);
2701 writel(m
, pHba
->post_port
);
2704 // Wait for the reply status to come back
2707 if (*status
!= 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2712 if(time_after(jiffies
,timeout
)){
2713 printk(KERN_WARNING
"%s: Timeout Initializing\n",pHba
->name
);
2716 schedule_timeout_uninterruptible(1);
2719 // If the command was successful, fill the fifo with our reply
2721 if(*status
!= 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2727 kfree(pHba
->reply_pool
);
2729 pHba
->reply_pool
= kmalloc(pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4, GFP_KERNEL
|ADDR32
);
2730 if(!pHba
->reply_pool
){
2731 printk(KERN_ERR
"%s: Could not allocate reply pool\n",pHba
->name
);
2734 memset(pHba
->reply_pool
, 0 , pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4);
2736 ptr
= pHba
->reply_pool
;
2737 for(i
= 0; i
< pHba
->reply_fifo_size
; i
++) {
2738 outbound_frame
= (u32
)virt_to_bus(ptr
);
2739 writel(outbound_frame
, pHba
->reply_port
);
2741 ptr
+= REPLY_FRAME_SIZE
;
2743 adpt_i2o_status_get(pHba
);
2749 * I2O System Table. Contains information about
2750 * all the IOPs in the system. Used to inform IOPs
2751 * about each other's existence.
2753 * sys_tbl_ver is the CurrentChangeIndicator that is
2754 * used by IOPs to track changes.
2759 static s32
adpt_i2o_status_get(adpt_hba
* pHba
)
2764 u8
*status_block
=NULL
;
2765 ulong status_block_bus
;
2767 if(pHba
->status_block
== NULL
) {
2768 pHba
->status_block
= (i2o_status_block
*)
2769 kmalloc(sizeof(i2o_status_block
),GFP_KERNEL
|ADDR32
);
2770 if(pHba
->status_block
== NULL
) {
2772 "dpti%d: Get Status Block failed; Out of memory. \n",
2777 memset(pHba
->status_block
, 0, sizeof(i2o_status_block
));
2778 status_block
= (u8
*)(pHba
->status_block
);
2779 status_block_bus
= virt_to_bus(pHba
->status_block
);
2780 timeout
= jiffies
+TMOUT_GETSTATUS
*HZ
;
2783 m
= readl(pHba
->post_port
);
2784 if (m
!= EMPTY_QUEUE
) {
2787 if(time_after(jiffies
,timeout
)){
2788 printk(KERN_ERR
"%s: Timeout waiting for message !\n",
2792 schedule_timeout_uninterruptible(1);
2793 } while(m
==EMPTY_QUEUE
);
2796 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2798 writel(NINE_WORD_MSG_SIZE
|SGL_OFFSET_0
, &msg
[0]);
2799 writel(I2O_CMD_STATUS_GET
<<24|HOST_TID
<<12|ADAPTER_TID
, &msg
[1]);
2804 writel(((u32
)status_block_bus
)&0xffffffff, &msg
[6]);
2806 writel(sizeof(i2o_status_block
), &msg
[8]); // 88 bytes
2809 writel(m
, pHba
->post_port
);
2812 while(status_block
[87]!=0xff){
2813 if(time_after(jiffies
,timeout
)){
2814 printk(KERN_ERR
"dpti%d: Get status timeout.\n",
2819 schedule_timeout_uninterruptible(1);
2822 // Set up our number of outbound and inbound messages
2823 pHba
->post_fifo_size
= pHba
->status_block
->max_inbound_frames
;
2824 if (pHba
->post_fifo_size
> MAX_TO_IOP_MESSAGES
) {
2825 pHba
->post_fifo_size
= MAX_TO_IOP_MESSAGES
;
2828 pHba
->reply_fifo_size
= pHba
->status_block
->max_outbound_frames
;
2829 if (pHba
->reply_fifo_size
> MAX_FROM_IOP_MESSAGES
) {
2830 pHba
->reply_fifo_size
= MAX_FROM_IOP_MESSAGES
;
2833 // Calculate the Scatter Gather list size
2834 pHba
->sg_tablesize
= (pHba
->status_block
->inbound_frame_size
* 4 -40)/ sizeof(struct sg_simple_element
);
2835 if (pHba
->sg_tablesize
> SG_LIST_ELEMENTS
) {
2836 pHba
->sg_tablesize
= SG_LIST_ELEMENTS
;
2841 printk("dpti%d: State = ",pHba
->unit
);
2842 switch(pHba
->status_block
->iop_state
) {
2856 printk("OPERATIONAL\n");
2862 printk("FAULTED\n");
2865 printk("%x (unknown!!)\n",pHba
->status_block
->iop_state
);
2872 * Get the IOP's Logical Configuration Table
2874 static int adpt_i2o_lct_get(adpt_hba
* pHba
)
2880 if ((pHba
->lct_size
== 0) || (pHba
->lct
== NULL
)){
2881 pHba
->lct_size
= pHba
->status_block
->expected_lct_size
;
2884 if (pHba
->lct
== NULL
) {
2885 pHba
->lct
= kmalloc(pHba
->lct_size
, GFP_KERNEL
|ADDR32
);
2886 if(pHba
->lct
== NULL
) {
2887 printk(KERN_CRIT
"%s: Lct Get failed. Out of memory.\n",
2892 memset(pHba
->lct
, 0, pHba
->lct_size
);
2894 msg
[0] = EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_6
;
2895 msg
[1] = I2O_CMD_LCT_NOTIFY
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
2898 msg
[4] = 0xFFFFFFFF; /* All devices */
2899 msg
[5] = 0x00000000; /* Report now */
2900 msg
[6] = 0xD0000000|pHba
->lct_size
;
2901 msg
[7] = virt_to_bus(pHba
->lct
);
2903 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 360))) {
2904 printk(KERN_ERR
"%s: LCT Get failed (status=%#10x.\n",
2906 printk(KERN_ERR
"Adaptec: Error Reading Hardware.\n");
2910 if ((pHba
->lct
->table_size
<< 2) > pHba
->lct_size
) {
2911 pHba
->lct_size
= pHba
->lct
->table_size
<< 2;
2915 } while (pHba
->lct
== NULL
);
2917 PDEBUG("%s: Hardware resource table read.\n", pHba
->name
);
2920 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
2921 if(adpt_i2o_query_scalar(pHba
, 0 , 0x8000, -1, buf
, sizeof(buf
))>=0) {
2922 pHba
->FwDebugBufferSize
= buf
[1];
2923 pHba
->FwDebugBuffer_P
= pHba
->base_addr_virt
+ buf
[0];
2924 pHba
->FwDebugFlags_P
= pHba
->FwDebugBuffer_P
+ FW_DEBUG_FLAGS_OFFSET
;
2925 pHba
->FwDebugBLEDvalue_P
= pHba
->FwDebugBuffer_P
+ FW_DEBUG_BLED_OFFSET
;
2926 pHba
->FwDebugBLEDflag_P
= pHba
->FwDebugBLEDvalue_P
+ 1;
2927 pHba
->FwDebugStrLength_P
= pHba
->FwDebugBuffer_P
+ FW_DEBUG_STR_LENGTH_OFFSET
;
2928 pHba
->FwDebugBuffer_P
+= buf
[2];
2929 pHba
->FwDebugFlags
= 0;
2935 static int adpt_i2o_build_sys_table(void)
2937 adpt_hba
* pHba
= NULL
;
2940 sys_tbl_len
= sizeof(struct i2o_sys_tbl
) + // Header + IOPs
2941 (hba_count
) * sizeof(struct i2o_sys_tbl_entry
);
2945 sys_tbl
= kmalloc(sys_tbl_len
, GFP_KERNEL
|ADDR32
);
2947 printk(KERN_WARNING
"SysTab Set failed. Out of memory.\n");
2950 memset(sys_tbl
, 0, sys_tbl_len
);
2952 sys_tbl
->num_entries
= hba_count
;
2953 sys_tbl
->version
= I2OVERSION
;
2954 sys_tbl
->change_ind
= sys_tbl_ind
++;
2956 for(pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
2957 // Get updated Status Block so we have the latest information
2958 if (adpt_i2o_status_get(pHba
)) {
2959 sys_tbl
->num_entries
--;
2960 continue; // try next one
2963 sys_tbl
->iops
[count
].org_id
= pHba
->status_block
->org_id
;
2964 sys_tbl
->iops
[count
].iop_id
= pHba
->unit
+ 2;
2965 sys_tbl
->iops
[count
].seg_num
= 0;
2966 sys_tbl
->iops
[count
].i2o_version
= pHba
->status_block
->i2o_version
;
2967 sys_tbl
->iops
[count
].iop_state
= pHba
->status_block
->iop_state
;
2968 sys_tbl
->iops
[count
].msg_type
= pHba
->status_block
->msg_type
;
2969 sys_tbl
->iops
[count
].frame_size
= pHba
->status_block
->inbound_frame_size
;
2970 sys_tbl
->iops
[count
].last_changed
= sys_tbl_ind
- 1; // ??
2971 sys_tbl
->iops
[count
].iop_capabilities
= pHba
->status_block
->iop_capabilities
;
2972 sys_tbl
->iops
[count
].inbound_low
= (u32
)virt_to_bus(pHba
->post_port
);
2973 sys_tbl
->iops
[count
].inbound_high
= (u32
)((u64
)virt_to_bus(pHba
->post_port
)>>32);
2980 u32
*table
= (u32
*)sys_tbl
;
2981 printk(KERN_DEBUG
"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len
>>2));
2982 for(count
= 0; count
< (sys_tbl_len
>>2); count
++) {
2983 printk(KERN_INFO
"sys_tbl[%d] = %0#10x\n",
2984 count
, table
[count
]);
2994 * Dump the information block associated with a given unit (TID)
2997 static void adpt_i2o_report_hba_unit(adpt_hba
* pHba
, struct i2o_device
*d
)
3000 int unit
= d
->lct_data
.tid
;
3002 printk(KERN_INFO
"TID %3.3d ", unit
);
3004 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 3, buf
, 16)>=0)
3007 printk(" Vendor: %-12.12s", buf
);
3009 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 4, buf
, 16)>=0)
3012 printk(" Device: %-12.12s", buf
);
3014 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 6, buf
, 8)>=0)
3017 printk(" Rev: %-12.12s\n", buf
);
3020 printk(KERN_INFO
"\tClass: %.21s\n", adpt_i2o_get_class_name(d
->lct_data
.class_id
));
3021 printk(KERN_INFO
"\tSubclass: 0x%04X\n", d
->lct_data
.sub_class
);
3022 printk(KERN_INFO
"\tFlags: ");
3024 if(d
->lct_data
.device_flags
&(1<<0))
3025 printk("C"); // ConfigDialog requested
3026 if(d
->lct_data
.device_flags
&(1<<1))
3027 printk("U"); // Multi-user capable
3028 if(!(d
->lct_data
.device_flags
&(1<<4)))
3029 printk("P"); // Peer service enabled!
3030 if(!(d
->lct_data
.device_flags
&(1<<5)))
3031 printk("M"); // Mgmt service enabled!
3038 * Do i2o class name lookup
3040 static const char *adpt_i2o_get_class_name(int class)
3043 static char *i2o_class_name
[] = {
3045 "Device Driver Module",
3050 "Fibre Channel Port",
3051 "Fibre Channel Device",
3055 "Floppy Controller",
3057 "Secondary Bus Port",
3058 "Peer Transport Agent",
3063 switch(class&0xFFF) {
3064 case I2O_CLASS_EXECUTIVE
:
3068 case I2O_CLASS_RANDOM_BLOCK_STORAGE
:
3070 case I2O_CLASS_SEQUENTIAL_STORAGE
:
3076 case I2O_CLASS_FIBRE_CHANNEL_PORT
:
3078 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
:
3080 case I2O_CLASS_SCSI_PERIPHERAL
:
3082 case I2O_CLASS_ATE_PORT
:
3084 case I2O_CLASS_ATE_PERIPHERAL
:
3086 case I2O_CLASS_FLOPPY_CONTROLLER
:
3088 case I2O_CLASS_FLOPPY_DEVICE
:
3090 case I2O_CLASS_BUS_ADAPTER_PORT
:
3092 case I2O_CLASS_PEER_TRANSPORT_AGENT
:
3094 case I2O_CLASS_PEER_TRANSPORT
:
3097 return i2o_class_name
[idx
];
3102 static s32
adpt_i2o_hrt_get(adpt_hba
* pHba
)
3105 int ret
, size
= sizeof(i2o_hrt
);
3108 if (pHba
->hrt
== NULL
) {
3109 pHba
->hrt
=kmalloc(size
, GFP_KERNEL
|ADDR32
);
3110 if (pHba
->hrt
== NULL
) {
3111 printk(KERN_CRIT
"%s: Hrt Get failed; Out of memory.\n", pHba
->name
);
3116 msg
[0]= SIX_WORD_MSG_SIZE
| SGL_OFFSET_4
;
3117 msg
[1]= I2O_CMD_HRT_GET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3120 msg
[4]= (0xD0000000 | size
); /* Simple transaction */
3121 msg
[5]= virt_to_bus(pHba
->hrt
); /* Dump it here */
3123 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
),20))) {
3124 printk(KERN_ERR
"%s: Unable to get HRT (status=%#10x)\n", pHba
->name
, ret
);
3128 if (pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2 > size
) {
3129 size
= pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2;
3133 } while(pHba
->hrt
== NULL
);
3138 * Query one scalar group value or a whole scalar group.
3140 static int adpt_i2o_query_scalar(adpt_hba
* pHba
, int tid
,
3141 int group
, int field
, void *buf
, int buflen
)
3143 u16 opblk
[] = { 1, 0, I2O_PARAMS_FIELD_GET
, group
, 1, field
};
3148 /* 8 bytes for header */
3149 resblk
= kmalloc(sizeof(u8
) * (8+buflen
), GFP_KERNEL
|ADDR32
);
3150 if (resblk
== NULL
) {
3151 printk(KERN_CRIT
"%s: query scalar failed; Out of memory.\n", pHba
->name
);
3155 if (field
== -1) /* whole group */
3158 size
= adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET
, pHba
, tid
,
3159 opblk
, sizeof(opblk
), resblk
, sizeof(u8
)*(8+buflen
));
3160 if (size
== -ETIME
) {
3161 printk(KERN_WARNING
"%s: issue params failed; Timed out.\n", pHba
->name
);
3163 } else if (size
== -EINTR
) {
3164 printk(KERN_WARNING
"%s: issue params failed; Interrupted.\n", pHba
->name
);
3168 memcpy(buf
, resblk
+8, buflen
); /* cut off header */
3178 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3180 * This function can be used for all UtilParamsGet/Set operations.
3181 * The OperationBlock is given in opblk-buffer,
3182 * and results are returned in resblk-buffer.
3183 * Note that the minimum sized resblk is 8 bytes and contains
3184 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3186 static int adpt_i2o_issue_params(int cmd
, adpt_hba
* pHba
, int tid
,
3187 void *opblk
, int oplen
, void *resblk
, int reslen
)
3190 u32
*res
= (u32
*)resblk
;
3193 msg
[0] = NINE_WORD_MSG_SIZE
| SGL_OFFSET_5
;
3194 msg
[1] = cmd
<< 24 | HOST_TID
<< 12 | tid
;
3198 msg
[5] = 0x54000000 | oplen
; /* OperationBlock */
3199 msg
[6] = virt_to_bus(opblk
);
3200 msg
[7] = 0xD0000000 | reslen
; /* ResultBlock */
3201 msg
[8] = virt_to_bus(resblk
);
3203 if ((wait_status
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 20))) {
3204 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk
);
3205 return wait_status
; /* -DetailedStatus */
3208 if (res
[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3209 printk(KERN_WARNING
"%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3210 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3212 (cmd
== I2O_CMD_UTIL_PARAMS_SET
) ? "PARAMS_SET"
3214 res
[1]>>24, (res
[1]>>16)&0xFF, res
[1]&0xFFFF);
3215 return -((res
[1] >> 16) & 0xFF); /* -BlockStatus */
3218 return 4 + ((res
[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3222 static s32
adpt_i2o_quiesce_hba(adpt_hba
* pHba
)
3227 adpt_i2o_status_get(pHba
);
3229 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3231 if((pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
) &&
3232 (pHba
->status_block
->iop_state
!= ADAPTER_STATE_OPERATIONAL
)){
3236 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3237 msg
[1] = I2O_CMD_SYS_QUIESCE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3241 if((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3242 printk(KERN_INFO
"dpti%d: Unable to quiesce (status=%#x).\n",
3245 printk(KERN_INFO
"dpti%d: Quiesced.\n",pHba
->unit
);
3248 adpt_i2o_status_get(pHba
);
3254 * Enable IOP. Allows the IOP to resume external operations.
3256 static int adpt_i2o_enable_hba(adpt_hba
* pHba
)
3261 adpt_i2o_status_get(pHba
);
3262 if(!pHba
->status_block
){
3265 /* Enable only allowed on READY state */
3266 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
)
3269 if(pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
)
3272 msg
[0]=FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3273 msg
[1]=I2O_CMD_SYS_ENABLE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3277 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3278 printk(KERN_WARNING
"%s: Could not enable (status=%#10x).\n",
3281 PDEBUG("%s: Enabled.\n", pHba
->name
);
3284 adpt_i2o_status_get(pHba
);
3289 static int adpt_i2o_systab_send(adpt_hba
* pHba
)
3294 msg
[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6
;
3295 msg
[1] = I2O_CMD_SYS_TAB_SET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3298 msg
[4] = (0<<16) | ((pHba
->unit
+2) << 12); /* Host 0 IOP ID (unit + 2) */
3299 msg
[5] = 0; /* Segment 0 */
3302 * Provide three SGL-elements:
3303 * System table (SysTab), Private memory space declaration and
3304 * Private i/o space declaration
3306 msg
[6] = 0x54000000 | sys_tbl_len
;
3307 msg
[7] = virt_to_phys(sys_tbl
);
3308 msg
[8] = 0x54000000 | 0;
3310 msg
[10] = 0xD4000000 | 0;
3313 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 120))) {
3314 printk(KERN_INFO
"%s: Unable to set SysTab (status=%#10x).\n",
3319 PINFO("%s: SysTab set.\n", pHba
->name
);
3327 /*============================================================================
3329 *============================================================================
3335 static static void adpt_delay(int millisec
)
3338 for (i
= 0; i
< millisec
; i
++) {
3339 udelay(1000); /* delay for one millisecond */
3345 static struct scsi_host_template driver_template
= {
3347 .proc_name
= "dpt_i2o",
3348 .proc_info
= adpt_proc_info
,
3349 .detect
= adpt_detect
,
3350 .release
= adpt_release
,
3352 .queuecommand
= adpt_queue
,
3353 .eh_abort_handler
= adpt_abort
,
3354 .eh_device_reset_handler
= adpt_device_reset
,
3355 .eh_bus_reset_handler
= adpt_bus_reset
,
3356 .eh_host_reset_handler
= adpt_reset
,
3357 .bios_param
= adpt_bios_param
,
3358 .slave_configure
= adpt_slave_configure
,
3359 .can_queue
= MAX_TO_IOP_MESSAGES
,
3362 .use_clustering
= ENABLE_CLUSTERING
,
3364 #include "scsi_module.c"
3365 MODULE_LICENSE("GPL");