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/config.h> /* for CONFIG_PCI */
50 #include <linux/pci.h> /* for PCI support */
51 #include <linux/proc_fs.h>
52 #include <linux/blkdev.h>
53 #include <linux/delay.h> /* for udelay */
54 #include <linux/interrupt.h>
55 #include <linux/kernel.h> /* for printk */
56 #include <linux/sched.h>
57 #include <linux/reboot.h>
58 #include <linux/spinlock.h>
59 #include <linux/smp_lock.h>
61 #include <linux/timer.h>
62 #include <linux/string.h>
63 #include <linux/ioport.h>
65 #include <asm/processor.h> /* for boot_cpu_data */
66 #include <asm/pgtable.h>
67 #include <asm/io.h> /* for virt_to_bus, etc. */
69 #include <scsi/scsi.h>
70 #include <scsi/scsi_cmnd.h>
71 #include <scsi/scsi_device.h>
72 #include <scsi/scsi_host.h>
73 #include <scsi/scsi_tcq.h>
75 #include "dpt/dptsig.h"
78 /*============================================================================
79 * Create a binary signature - this is read by dptsig
80 * Needed for our management apps
81 *============================================================================
83 static dpt_sig_S DPTI_sig
= {
84 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION
,
86 PROC_INTEL
, PROC_386
| PROC_486
| PROC_PENTIUM
| PROC_SEXIUM
,
87 #elif defined(__ia64__)
88 PROC_INTEL
, PROC_IA64
,
89 #elif defined(__sparc__)
90 PROC_ULTRASPARC
, PROC_ULTRASPARC
,
91 #elif defined(__alpha__)
92 PROC_ALPHA
, PROC_ALPHA
,
96 FT_HBADRVR
, 0, OEM_DPT
, OS_LINUX
, CAP_OVERLAP
, DEV_ALL
,
97 ADF_ALL_SC5
, 0, 0, DPT_VERSION
, DPT_REVISION
, DPT_SUBREVISION
,
98 DPT_MONTH
, DPT_DAY
, DPT_YEAR
, "Adaptec Linux I2O RAID Driver"
104 /*============================================================================
106 *============================================================================
109 static DECLARE_MUTEX(adpt_configuration_lock
);
111 static struct i2o_sys_tbl
*sys_tbl
= NULL
;
112 static int sys_tbl_ind
= 0;
113 static int sys_tbl_len
= 0;
115 static adpt_hba
* hba_chain
= NULL
;
116 static int hba_count
= 0;
118 static struct file_operations adpt_fops
= {
121 .release
= adpt_close
124 #ifdef REBOOT_NOTIFIER
125 static struct notifier_block adpt_reboot_notifier
=
133 /* Structures and definitions for synchronous message posting.
134 * See adpt_i2o_post_wait() for description
136 struct adpt_i2o_post_wait_data
140 adpt_wait_queue_head_t
*wq
;
141 struct adpt_i2o_post_wait_data
*next
;
144 static struct adpt_i2o_post_wait_data
*adpt_post_wait_queue
= NULL
;
145 static u32 adpt_post_wait_id
= 0;
146 static DEFINE_SPINLOCK(adpt_post_wait_lock
);
149 /*============================================================================
151 *============================================================================
154 static u8
adpt_read_blink_led(adpt_hba
* host
)
156 if(host
->FwDebugBLEDflag_P
!= 0) {
157 if( readb(host
->FwDebugBLEDflag_P
) == 0xbc ){
158 return readb(host
->FwDebugBLEDvalue_P
);
164 /*============================================================================
165 * Scsi host template interface functions
166 *============================================================================
169 static struct pci_device_id dptids
[] = {
170 { PCI_DPT_VENDOR_ID
, PCI_DPT_DEVICE_ID
, PCI_ANY_ID
, PCI_ANY_ID
,},
171 { PCI_DPT_VENDOR_ID
, PCI_DPT_RAPTOR_DEVICE_ID
, PCI_ANY_ID
, PCI_ANY_ID
,},
174 MODULE_DEVICE_TABLE(pci
,dptids
);
176 static int adpt_detect(struct scsi_host_template
* sht
)
178 struct pci_dev
*pDev
= NULL
;
183 PINFO("Detecting Adaptec I2O RAID controllers...\n");
185 /* search for all Adatpec I2O RAID cards */
186 while ((pDev
= pci_find_device( PCI_DPT_VENDOR_ID
, PCI_ANY_ID
, pDev
))) {
187 if(pDev
->device
== PCI_DPT_DEVICE_ID
||
188 pDev
->device
== PCI_DPT_RAPTOR_DEVICE_ID
){
189 if(adpt_install_hba(sht
, pDev
) ){
190 PERROR("Could not Init an I2O RAID device\n");
191 PERROR("Will not try to detect others.\n");
197 /* In INIT state, Activate IOPs */
198 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
199 // Activate does get status , init outbound, and get hrt
200 if (adpt_i2o_activate_hba(pHba
) < 0) {
201 adpt_i2o_delete_hba(pHba
);
206 /* Active IOPs in HOLD state */
209 if (hba_chain
== NULL
)
213 * If build_sys_table fails, we kill everything and bail
214 * as we can't init the IOPs w/o a system table
216 if (adpt_i2o_build_sys_table() < 0) {
217 adpt_i2o_sys_shutdown();
221 PDEBUG("HBA's in HOLD state\n");
223 /* If IOP don't get online, we need to rebuild the System table */
224 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
225 if (adpt_i2o_online_hba(pHba
) < 0) {
226 adpt_i2o_delete_hba(pHba
);
227 goto rebuild_sys_tab
;
231 /* Active IOPs now in OPERATIONAL state */
232 PDEBUG("HBA's in OPERATIONAL state\n");
234 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
235 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
236 printk(KERN_INFO
"%s: Reading the hardware resource table.\n", pHba
->name
);
237 if (adpt_i2o_lct_get(pHba
) < 0){
238 adpt_i2o_delete_hba(pHba
);
242 if (adpt_i2o_parse_lct(pHba
) < 0){
243 adpt_i2o_delete_hba(pHba
);
249 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
250 if( adpt_scsi_register(pHba
,sht
) < 0){
251 adpt_i2o_delete_hba(pHba
);
254 pHba
->initialized
= TRUE
;
255 pHba
->state
&= ~DPTI_STATE_RESET
;
258 // Register our control device node
259 // nodes will need to be created in /dev to access this
260 // the nodes can not be created from within the driver
261 if (hba_count
&& register_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
, &adpt_fops
)) {
262 adpt_i2o_sys_shutdown();
270 * scsi_unregister will be called AFTER we return.
272 static int adpt_release(struct Scsi_Host
*host
)
274 adpt_hba
* pHba
= (adpt_hba
*) host
->hostdata
[0];
275 // adpt_i2o_quiesce_hba(pHba);
276 adpt_i2o_delete_hba(pHba
);
277 scsi_unregister(host
);
282 static void adpt_inquiry(adpt_hba
* pHba
)
295 memset(msg
, 0, sizeof(msg
));
296 buf
= (u8
*)kmalloc(80,GFP_KERNEL
|ADDR32
);
298 printk(KERN_ERR
"%s: Could not allocate buffer\n",pHba
->name
);
301 memset((void*)buf
, 0, 36);
304 direction
= 0x00000000;
305 scsidir
=0x40000000; // DATA IN (iop<--dev)
307 reqlen
= 14; // SINGLE SGE
308 /* Stick the headers on */
309 msg
[0] = reqlen
<<16 | SGL_OFFSET_12
;
310 msg
[1] = (0xff<<24|HOST_TID
<<12|ADAPTER_TID
);
313 // Adaptec/DPT Private stuff
314 msg
[4] = I2O_CMD_SCSI_EXEC
|DPT_ORGANIZATION_ID
<<16;
315 msg
[5] = ADAPTER_TID
| 1<<16 /* Interpret*/;
316 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
317 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
318 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
319 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
320 msg
[6] = scsidir
|0x20a00000| 6 /* cmd len*/;
324 memset(scb
, 0, sizeof(scb
));
325 // Write SCSI command into the message - always 16 byte block
332 // Don't care about the rest of scb
334 memcpy(mptr
, scb
, sizeof(scb
));
336 lenptr
=mptr
++; /* Remember me - fill in when we know */
338 /* Now fill in the SGList and command */
340 *mptr
++ = 0xD0000000|direction
|len
;
341 *mptr
++ = virt_to_bus(buf
);
343 // Send it on it's way
344 rcode
= adpt_i2o_post_wait(pHba
, msg
, reqlen
<<2, 120);
346 sprintf(pHba
->detail
, "Adaptec I2O RAID");
347 printk(KERN_INFO
"%s: Inquiry Error (%d)\n",pHba
->name
,rcode
);
348 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
351 memset(pHba
->detail
, 0, sizeof(pHba
->detail
));
352 memcpy(&(pHba
->detail
), "Vendor: Adaptec ", 16);
353 memcpy(&(pHba
->detail
[16]), " Model: ", 8);
354 memcpy(&(pHba
->detail
[24]), (u8
*) &buf
[16], 16);
355 memcpy(&(pHba
->detail
[40]), " FW: ", 4);
356 memcpy(&(pHba
->detail
[44]), (u8
*) &buf
[32], 4);
357 pHba
->detail
[48] = '\0'; /* precautionary */
360 adpt_i2o_status_get(pHba
);
365 static int adpt_slave_configure(struct scsi_device
* device
)
367 struct Scsi_Host
*host
= device
->host
;
370 pHba
= (adpt_hba
*) host
->hostdata
[0];
372 if (host
->can_queue
&& device
->tagged_supported
) {
373 scsi_adjust_queue_depth(device
, MSG_SIMPLE_TAG
,
374 host
->can_queue
- 1);
376 scsi_adjust_queue_depth(device
, 0, 1);
381 static int adpt_queue(struct scsi_cmnd
* cmd
, void (*done
) (struct scsi_cmnd
*))
383 adpt_hba
* pHba
= NULL
;
384 struct adpt_device
* pDev
= NULL
; /* dpt per device information */
386 cmd
->scsi_done
= done
;
388 * SCSI REQUEST_SENSE commands will be executed automatically by the
389 * Host Adapter for any errors, so they should not be executed
390 * explicitly unless the Sense Data is zero indicating that no error
394 if ((cmd
->cmnd
[0] == REQUEST_SENSE
) && (cmd
->sense_buffer
[0] != 0)) {
395 cmd
->result
= (DID_OK
<< 16);
400 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
407 * TODO: I need to block here if I am processing ioctl cmds
408 * but if the outstanding cmds all finish before the ioctl,
409 * the scsi-core will not know to start sending cmds to me again.
410 * I need to a way to restart the scsi-cores queues or should I block
411 * calling scsi_done on the outstanding cmds instead
412 * for now we don't set the IOCTL state
414 if(((pHba
->state
) & DPTI_STATE_IOCTL
) || ((pHba
->state
) & DPTI_STATE_RESET
)) {
415 pHba
->host
->last_reset
= jiffies
;
416 pHba
->host
->resetting
= 1;
420 // TODO if the cmd->device if offline then I may need to issue a bus rescan
421 // followed by a get_lct to see if the device is there anymore
422 if((pDev
= (struct adpt_device
*) (cmd
->device
->hostdata
)) == NULL
) {
424 * First command request for this device. Set up a pointer
425 * to the device structure. This should be a TEST_UNIT_READY
426 * command from scan_scsis_single.
428 if ((pDev
= adpt_find_device(pHba
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
)) == NULL
) {
429 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
430 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
431 cmd
->result
= (DID_NO_CONNECT
<< 16);
435 cmd
->device
->hostdata
= pDev
;
437 pDev
->pScsi_dev
= cmd
->device
;
440 * If we are being called from when the device is being reset,
441 * delay processing of the command until later.
443 if (pDev
->state
& DPTI_DEV_RESET
) {
446 return adpt_scsi_to_i2o(pHba
, cmd
, pDev
);
449 static int adpt_bios_param(struct scsi_device
*sdev
, struct block_device
*dev
,
450 sector_t capacity
, int geom
[])
456 // *** First lets set the default geometry ****
458 // If the capacity is less than ox2000
459 if (capacity
< 0x2000 ) { // floppy
463 // else if between 0x2000 and 0x20000
464 else if (capacity
< 0x20000) {
468 // else if between 0x20000 and 0x40000
469 else if (capacity
< 0x40000) {
473 // else if between 0x4000 and 0x80000
474 else if (capacity
< 0x80000) {
478 // else if greater than 0x80000
483 cylinders
= sector_div(capacity
, heads
* sectors
);
485 // Special case if CDROM
486 if(sdev
->type
== 5) { // CDROM
496 PDEBUG("adpt_bios_param: exit\n");
501 static const char *adpt_info(struct Scsi_Host
*host
)
505 pHba
= (adpt_hba
*) host
->hostdata
[0];
506 return (char *) (pHba
->detail
);
509 static int adpt_proc_info(struct Scsi_Host
*host
, char *buffer
, char **start
, off_t offset
,
510 int length
, int inout
)
512 struct adpt_device
* d
;
524 * The user has done a write and wants us to take the
525 * data in the buffer and do something with it.
526 * proc_scsiwrite calls us with inout = 1
528 * Read data from buffer (writing to us) - NOT SUPPORTED
534 * inout = 0 means the user has done a read and wants information
535 * returned, so we write information about the cards into the buffer
536 * proc_scsiread() calls us with inout = 0
539 // Find HBA (host bus adapter) we are looking for
540 down(&adpt_configuration_lock
);
541 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
542 if (pHba
->host
== host
) {
543 break; /* found adapter */
546 up(&adpt_configuration_lock
);
552 len
= sprintf(buffer
, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION
);
553 len
+= sprintf(buffer
+len
, "%s\n", pHba
->detail
);
554 len
+= sprintf(buffer
+len
, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
555 pHba
->host
->host_no
, pHba
->name
, host
->irq
);
556 len
+= sprintf(buffer
+len
, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
557 host
->can_queue
, (int) pHba
->reply_fifo_size
, host
->sg_tablesize
);
562 if(pos
> offset
+ length
) {
567 * If we haven't even written to where we last left
568 * off (the last time we were called), reset the
574 len
+= sprintf(buffer
+len
, "Devices:\n");
575 for(chan
= 0; chan
< MAX_CHANNEL
; chan
++) {
576 for(id
= 0; id
< MAX_ID
; id
++) {
577 d
= pHba
->channel
[chan
].device
[id
];
579 len
+= sprintf(buffer
+len
,"\t%-24.24s", d
->pScsi_dev
->vendor
);
580 len
+= sprintf(buffer
+len
," Rev: %-8.8s\n", d
->pScsi_dev
->rev
);
585 if(pos
> offset
+ length
) {
593 unit
= d
->pI2o_dev
->lct_data
.tid
;
594 len
+= sprintf(buffer
+len
, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
595 unit
, (int)d
->scsi_channel
, (int)d
->scsi_id
, (int)d
->scsi_lun
,
596 scsi_device_online(d
->pScsi_dev
)? "online":"offline");
600 if(pos
> offset
+ length
) {
614 * begin is where we last checked our position with regards to offset
615 * begin is always less than offset. len is relative to begin. It
616 * is the number of bytes written past begin
620 /* stop the output and calculate the correct length */
621 *(buffer
+ len
) = '\0';
623 *start
= buffer
+ (offset
- begin
); /* Start of wanted data */
624 len
-= (offset
- begin
);
635 /*===========================================================================
636 * Error Handling routines
637 *===========================================================================
640 static int adpt_abort(struct scsi_cmnd
* cmd
)
642 adpt_hba
* pHba
= NULL
; /* host bus adapter structure */
643 struct adpt_device
* dptdevice
; /* dpt per device information */
647 if(cmd
->serial_number
== 0){
650 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
651 printk(KERN_INFO
"%s: Trying to Abort cmd=%ld\n",pHba
->name
, cmd
->serial_number
);
652 if ((dptdevice
= (void*) (cmd
->device
->hostdata
)) == NULL
) {
653 printk(KERN_ERR
"%s: Unable to abort: No device in cmnd\n",pHba
->name
);
657 memset(msg
, 0, sizeof(msg
));
658 msg
[0] = FIVE_WORD_MSG_SIZE
|SGL_OFFSET_0
;
659 msg
[1] = I2O_CMD_SCSI_ABORT
<<24|HOST_TID
<<12|dptdevice
->tid
;
663 if( (rcode
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), FOREVER
)) != 0){
664 if(rcode
== -EOPNOTSUPP
){
665 printk(KERN_INFO
"%s: Abort cmd not supported\n",pHba
->name
);
668 printk(KERN_INFO
"%s: Abort cmd=%ld failed.\n",pHba
->name
, cmd
->serial_number
);
671 printk(KERN_INFO
"%s: Abort cmd=%ld complete.\n",pHba
->name
, cmd
->serial_number
);
676 #define I2O_DEVICE_RESET 0x27
677 // This is the same for BLK and SCSI devices
678 // NOTE this is wrong in the i2o.h definitions
679 // This is not currently supported by our adapter but we issue it anyway
680 static int adpt_device_reset(struct scsi_cmnd
* cmd
)
686 struct adpt_device
* d
= cmd
->device
->hostdata
;
688 pHba
= (void*) cmd
->device
->host
->hostdata
[0];
689 printk(KERN_INFO
"%s: Trying to reset device\n",pHba
->name
);
691 printk(KERN_INFO
"%s: Reset Device: Device Not found\n",pHba
->name
);
694 memset(msg
, 0, sizeof(msg
));
695 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
696 msg
[1] = (I2O_DEVICE_RESET
<<24|HOST_TID
<<12|d
->tid
);
700 old_state
= d
->state
;
701 d
->state
|= DPTI_DEV_RESET
;
702 if( (rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
)) ){
703 d
->state
= old_state
;
704 if(rcode
== -EOPNOTSUPP
){
705 printk(KERN_INFO
"%s: Device reset not supported\n",pHba
->name
);
708 printk(KERN_INFO
"%s: Device reset failed\n",pHba
->name
);
711 d
->state
= old_state
;
712 printk(KERN_INFO
"%s: Device reset successful\n",pHba
->name
);
718 #define I2O_HBA_BUS_RESET 0x87
719 // This version of bus reset is called by the eh_error handler
720 static int adpt_bus_reset(struct scsi_cmnd
* cmd
)
725 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
726 memset(msg
, 0, sizeof(msg
));
727 printk(KERN_WARNING
"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba
->name
, cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
728 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
729 msg
[1] = (I2O_HBA_BUS_RESET
<<24|HOST_TID
<<12|pHba
->channel
[cmd
->device
->channel
].tid
);
732 if(adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
) ){
733 printk(KERN_WARNING
"%s: Bus reset failed.\n",pHba
->name
);
736 printk(KERN_WARNING
"%s: Bus reset success.\n",pHba
->name
);
741 // This version of reset is called by the eh_error_handler
742 static int __adpt_reset(struct scsi_cmnd
* cmd
)
746 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
747 printk(KERN_WARNING
"%s: Hba Reset: scsi id %d: tid: %d\n",pHba
->name
,cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
748 rcode
= adpt_hba_reset(pHba
);
750 printk(KERN_WARNING
"%s: HBA reset complete\n",pHba
->name
);
753 printk(KERN_WARNING
"%s: HBA reset failed (%x)\n",pHba
->name
, rcode
);
758 static int adpt_reset(struct scsi_cmnd
* cmd
)
762 spin_lock_irq(cmd
->device
->host
->host_lock
);
763 rc
= __adpt_reset(cmd
);
764 spin_unlock_irq(cmd
->device
->host
->host_lock
);
769 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
770 static int adpt_hba_reset(adpt_hba
* pHba
)
774 pHba
->state
|= DPTI_STATE_RESET
;
776 // Activate does get status , init outbound, and get hrt
777 if ((rcode
=adpt_i2o_activate_hba(pHba
)) < 0) {
778 printk(KERN_ERR
"%s: Could not activate\n", pHba
->name
);
779 adpt_i2o_delete_hba(pHba
);
783 if ((rcode
=adpt_i2o_build_sys_table()) < 0) {
784 adpt_i2o_delete_hba(pHba
);
787 PDEBUG("%s: in HOLD state\n",pHba
->name
);
789 if ((rcode
=adpt_i2o_online_hba(pHba
)) < 0) {
790 adpt_i2o_delete_hba(pHba
);
793 PDEBUG("%s: in OPERATIONAL state\n",pHba
->name
);
795 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0){
796 adpt_i2o_delete_hba(pHba
);
800 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0){
801 adpt_i2o_delete_hba(pHba
);
804 pHba
->state
&= ~DPTI_STATE_RESET
;
806 adpt_fail_posted_scbs(pHba
);
807 return 0; /* return success */
810 /*===========================================================================
812 *===========================================================================
816 static void adpt_i2o_sys_shutdown(void)
818 adpt_hba
*pHba
, *pNext
;
819 struct adpt_i2o_post_wait_data
*p1
, *p2
;
821 printk(KERN_INFO
"Shutting down Adaptec I2O controllers.\n");
822 printk(KERN_INFO
" This could take a few minutes if there are many devices attached\n");
823 /* Delete all IOPs from the controller chain */
824 /* They should have already been released by the
827 for (pHba
= hba_chain
; pHba
; pHba
= pNext
) {
829 adpt_i2o_delete_hba(pHba
);
832 /* Remove any timedout entries from the wait queue. */
834 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
835 /* Nothing should be outstanding at this point so just
838 for(p1
= adpt_post_wait_queue
; p1
; p2
= p1
, p1
= p2
->next
) {
841 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
842 adpt_post_wait_queue
= NULL
;
844 printk(KERN_INFO
"Adaptec I2O controllers down.\n");
848 * reboot/shutdown notification.
850 * - Quiesce each IOP in the system
854 #ifdef REBOOT_NOTIFIER
855 static int adpt_reboot_event(struct notifier_block
*n
, ulong code
, void *p
)
858 if(code
!= SYS_RESTART
&& code
!= SYS_HALT
&& code
!= SYS_POWER_OFF
)
861 adpt_i2o_sys_shutdown();
868 static int adpt_install_hba(struct scsi_host_template
* sht
, struct pci_dev
* pDev
)
871 adpt_hba
* pHba
= NULL
;
873 ulong base_addr0_phys
= 0;
874 ulong base_addr1_phys
= 0;
875 u32 hba_map0_area_size
= 0;
876 u32 hba_map1_area_size
= 0;
877 void __iomem
*base_addr_virt
= NULL
;
878 void __iomem
*msg_addr_virt
= NULL
;
880 int raptorFlag
= FALSE
;
882 if(pci_enable_device(pDev
)) {
885 pci_set_master(pDev
);
886 if (pci_set_dma_mask(pDev
, 0xffffffffffffffffULL
) &&
887 pci_set_dma_mask(pDev
, 0xffffffffULL
))
890 base_addr0_phys
= pci_resource_start(pDev
,0);
891 hba_map0_area_size
= pci_resource_len(pDev
,0);
893 // Check if standard PCI card or single BAR Raptor
894 if(pDev
->device
== PCI_DPT_DEVICE_ID
){
895 if(pDev
->subsystem_device
>=0xc032 && pDev
->subsystem_device
<= 0xc03b){
896 // Raptor card with this device id needs 4M
897 hba_map0_area_size
= 0x400000;
898 } else { // Not Raptor - it is a PCI card
899 if(hba_map0_area_size
> 0x100000 ){
900 hba_map0_area_size
= 0x100000;
903 } else {// Raptor split BAR config
904 // Use BAR1 in this configuration
905 base_addr1_phys
= pci_resource_start(pDev
,1);
906 hba_map1_area_size
= pci_resource_len(pDev
,1);
910 if (pci_request_regions(pDev
, "dpt_i2o")) {
911 PERROR("dpti: adpt_config_hba: pci request region failed\n");
914 base_addr_virt
= ioremap(base_addr0_phys
,hba_map0_area_size
);
915 if (!base_addr_virt
) {
916 pci_release_regions(pDev
);
917 PERROR("dpti: adpt_config_hba: io remap failed\n");
921 if(raptorFlag
== TRUE
) {
922 msg_addr_virt
= ioremap(base_addr1_phys
, hba_map1_area_size
);
923 if (!msg_addr_virt
) {
924 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
925 iounmap(base_addr_virt
);
926 pci_release_regions(pDev
);
930 msg_addr_virt
= base_addr_virt
;
933 // Allocate and zero the data structure
934 pHba
= kmalloc(sizeof(adpt_hba
), GFP_KERNEL
);
936 if(msg_addr_virt
!= base_addr_virt
){
937 iounmap(msg_addr_virt
);
939 iounmap(base_addr_virt
);
940 pci_release_regions(pDev
);
943 memset(pHba
, 0, sizeof(adpt_hba
));
945 down(&adpt_configuration_lock
);
947 if(hba_chain
!= NULL
){
948 for(p
= hba_chain
; p
->next
; p
= p
->next
);
954 pHba
->unit
= hba_count
;
955 sprintf(pHba
->name
, "dpti%d", hba_count
);
958 up(&adpt_configuration_lock
);
961 pHba
->base_addr_phys
= base_addr0_phys
;
963 // Set up the Virtual Base Address of the I2O Device
964 pHba
->base_addr_virt
= base_addr_virt
;
965 pHba
->msg_addr_virt
= msg_addr_virt
;
966 pHba
->irq_mask
= base_addr_virt
+0x30;
967 pHba
->post_port
= base_addr_virt
+0x40;
968 pHba
->reply_port
= base_addr_virt
+0x44;
973 pHba
->status_block
= NULL
;
974 pHba
->post_count
= 0;
975 pHba
->state
= DPTI_STATE_RESET
;
977 pHba
->devices
= NULL
;
979 // Initializing the spinlocks
980 spin_lock_init(&pHba
->state_lock
);
981 spin_lock_init(&adpt_post_wait_lock
);
984 printk(KERN_INFO
"Adaptec I2O RAID controller %d at %p size=%x irq=%d\n",
985 hba_count
-1, base_addr_virt
, hba_map0_area_size
, pDev
->irq
);
987 printk(KERN_INFO
"Adaptec I2O RAID controller %d irq=%d\n",hba_count
-1, pDev
->irq
);
988 printk(KERN_INFO
" BAR0 %p - size= %x\n",base_addr_virt
,hba_map0_area_size
);
989 printk(KERN_INFO
" BAR1 %p - size= %x\n",msg_addr_virt
,hba_map1_area_size
);
992 if (request_irq (pDev
->irq
, adpt_isr
, SA_SHIRQ
, pHba
->name
, pHba
)) {
993 printk(KERN_ERR
"%s: Couldn't register IRQ %d\n", pHba
->name
, pDev
->irq
);
994 adpt_i2o_delete_hba(pHba
);
1002 static void adpt_i2o_delete_hba(adpt_hba
* pHba
)
1006 struct i2o_device
* d
;
1007 struct i2o_device
* next
;
1010 struct adpt_device
* pDev
;
1011 struct adpt_device
* pNext
;
1014 down(&adpt_configuration_lock
);
1015 // scsi_unregister calls our adpt_release which
1018 free_irq(pHba
->host
->irq
, pHba
);
1021 for( p1
= hba_chain
; p1
; p2
= p1
,p1
=p1
->next
){
1024 p2
->next
= p1
->next
;
1026 hba_chain
= p1
->next
;
1033 up(&adpt_configuration_lock
);
1035 iounmap(pHba
->base_addr_virt
);
1036 pci_release_regions(pHba
->pDev
);
1037 if(pHba
->msg_addr_virt
!= pHba
->base_addr_virt
){
1038 iounmap(pHba
->msg_addr_virt
);
1042 kfree(pHba
->status_block
);
1043 kfree(pHba
->reply_pool
);
1045 for(d
= pHba
->devices
; d
; d
= next
){
1049 for(i
= 0 ; i
< pHba
->top_scsi_channel
; i
++){
1050 for(j
= 0; j
< MAX_ID
; j
++){
1051 if(pHba
->channel
[i
].device
[j
] != NULL
){
1052 for(pDev
= pHba
->channel
[i
].device
[j
]; pDev
; pDev
= pNext
){
1053 pNext
= pDev
->next_lun
;
1062 unregister_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
);
1067 static int adpt_init(void)
1069 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION
"\n");
1070 #ifdef REBOOT_NOTIFIER
1071 register_reboot_notifier(&adpt_reboot_notifier
);
1078 static struct adpt_device
* adpt_find_device(adpt_hba
* pHba
, u32 chan
, u32 id
, u32 lun
)
1080 struct adpt_device
* d
;
1082 if(chan
< 0 || chan
>= MAX_CHANNEL
)
1085 if( pHba
->channel
[chan
].device
== NULL
){
1086 printk(KERN_DEBUG
"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1090 d
= pHba
->channel
[chan
].device
[id
];
1091 if(!d
|| d
->tid
== 0) {
1095 /* If it is the only lun at that address then this should match*/
1096 if(d
->scsi_lun
== lun
){
1100 /* else we need to look through all the luns */
1101 for(d
=d
->next_lun
; d
; d
= d
->next_lun
){
1102 if(d
->scsi_lun
== lun
){
1110 static int adpt_i2o_post_wait(adpt_hba
* pHba
, u32
* msg
, int len
, int timeout
)
1112 // I used my own version of the WAIT_QUEUE_HEAD
1113 // to handle some version differences
1114 // When embedded in the kernel this could go back to the vanilla one
1115 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post
);
1118 struct adpt_i2o_post_wait_data
*p1
, *p2
;
1119 struct adpt_i2o_post_wait_data
*wait_data
=
1120 kmalloc(sizeof(struct adpt_i2o_post_wait_data
),GFP_KERNEL
);
1121 DECLARE_WAITQUEUE(wait
, current
);
1127 * The spin locking is needed to keep anyone from playing
1128 * with the queue pointers and id while we do the same
1130 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1131 // TODO we need a MORE unique way of getting ids
1132 // to support async LCT get
1133 wait_data
->next
= adpt_post_wait_queue
;
1134 adpt_post_wait_queue
= wait_data
;
1135 adpt_post_wait_id
++;
1136 adpt_post_wait_id
&= 0x7fff;
1137 wait_data
->id
= adpt_post_wait_id
;
1138 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1140 wait_data
->wq
= &adpt_wq_i2o_post
;
1141 wait_data
->status
= -ETIMEDOUT
;
1143 add_wait_queue(&adpt_wq_i2o_post
, &wait
);
1145 msg
[2] |= 0x80000000 | ((u32
)wait_data
->id
);
1147 if((status
= adpt_i2o_post_this(pHba
, msg
, len
)) == 0){
1148 set_current_state(TASK_INTERRUPTIBLE
);
1150 spin_unlock_irq(pHba
->host
->host_lock
);
1154 timeout
= schedule_timeout(timeout
);
1156 // I/O issued, but cannot get result in
1157 // specified time. Freeing resorces is
1163 spin_lock_irq(pHba
->host
->host_lock
);
1165 remove_wait_queue(&adpt_wq_i2o_post
, &wait
);
1167 if(status
== -ETIMEDOUT
){
1168 printk(KERN_INFO
"dpti%d: POST WAIT TIMEOUT\n",pHba
->unit
);
1169 // We will have to free the wait_data memory during shutdown
1173 /* Remove the entry from the queue. */
1175 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1176 for(p1
= adpt_post_wait_queue
; p1
; p2
= p1
, p1
= p1
->next
) {
1177 if(p1
== wait_data
) {
1178 if(p1
->status
== I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION
) {
1179 status
= -EOPNOTSUPP
;
1182 p2
->next
= p1
->next
;
1184 adpt_post_wait_queue
= p1
->next
;
1189 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1197 static s32
adpt_i2o_post_this(adpt_hba
* pHba
, u32
* data
, int len
)
1200 u32 m
= EMPTY_QUEUE
;
1202 ulong timeout
= jiffies
+ 30*HZ
;
1205 m
= readl(pHba
->post_port
);
1206 if (m
!= EMPTY_QUEUE
) {
1209 if(time_after(jiffies
,timeout
)){
1210 printk(KERN_WARNING
"dpti%d: Timeout waiting for message frame!\n", pHba
->unit
);
1213 schedule_timeout_uninterruptible(1);
1214 } while(m
== EMPTY_QUEUE
);
1216 msg
= pHba
->msg_addr_virt
+ m
;
1217 memcpy_toio(msg
, data
, len
);
1221 writel(m
, pHba
->post_port
);
1228 static void adpt_i2o_post_wait_complete(u32 context
, int status
)
1230 struct adpt_i2o_post_wait_data
*p1
= NULL
;
1232 * We need to search through the adpt_post_wait
1233 * queue to see if the given message is still
1234 * outstanding. If not, it means that the IOP
1235 * took longer to respond to the message than we
1236 * had allowed and timer has already expired.
1237 * Not much we can do about that except log
1238 * it for debug purposes, increase timeout, and recompile
1240 * Lock needed to keep anyone from moving queue pointers
1241 * around while we're looking through them.
1246 spin_lock(&adpt_post_wait_lock
);
1247 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1248 if(p1
->id
== context
) {
1249 p1
->status
= status
;
1250 spin_unlock(&adpt_post_wait_lock
);
1251 wake_up_interruptible(p1
->wq
);
1255 spin_unlock(&adpt_post_wait_lock
);
1256 // If this happens we lose commands that probably really completed
1257 printk(KERN_DEBUG
"dpti: Could Not find task %d in wait queue\n",context
);
1258 printk(KERN_DEBUG
" Tasks in wait queue:\n");
1259 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1260 printk(KERN_DEBUG
" %d\n",p1
->id
);
1265 static s32
adpt_i2o_reset_hba(adpt_hba
* pHba
)
1269 u32 m
= EMPTY_QUEUE
;
1270 ulong timeout
= jiffies
+ (TMOUT_IOPRESET
*HZ
);
1272 if(pHba
->initialized
== FALSE
) { // First time reset should be quick
1273 timeout
= jiffies
+ (25*HZ
);
1275 adpt_i2o_quiesce_hba(pHba
);
1280 m
= readl(pHba
->post_port
);
1281 if (m
!= EMPTY_QUEUE
) {
1284 if(time_after(jiffies
,timeout
)){
1285 printk(KERN_WARNING
"Timeout waiting for message!\n");
1288 schedule_timeout_uninterruptible(1);
1289 } while (m
== EMPTY_QUEUE
);
1291 status
= (u8
*)kmalloc(4, GFP_KERNEL
|ADDR32
);
1292 if(status
== NULL
) {
1293 adpt_send_nop(pHba
, m
);
1294 printk(KERN_ERR
"IOP reset failed - no free memory.\n");
1299 msg
[0]=EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_0
;
1300 msg
[1]=I2O_CMD_ADAPTER_RESET
<<24|HOST_TID
<<12|ADAPTER_TID
;
1305 msg
[6]=virt_to_bus(status
);
1308 memcpy_toio(pHba
->msg_addr_virt
+m
, msg
, sizeof(msg
));
1310 writel(m
, pHba
->post_port
);
1313 while(*status
== 0){
1314 if(time_after(jiffies
,timeout
)){
1315 printk(KERN_WARNING
"%s: IOP Reset Timeout\n",pHba
->name
);
1320 schedule_timeout_uninterruptible(1);
1323 if(*status
== 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1324 PDEBUG("%s: Reset in progress...\n", pHba
->name
);
1325 // Here we wait for message frame to become available
1326 // indicated that reset has finished
1329 m
= readl(pHba
->post_port
);
1330 if (m
!= EMPTY_QUEUE
) {
1333 if(time_after(jiffies
,timeout
)){
1334 printk(KERN_ERR
"%s:Timeout waiting for IOP Reset.\n",pHba
->name
);
1337 schedule_timeout_uninterruptible(1);
1338 } while (m
== EMPTY_QUEUE
);
1340 adpt_send_nop(pHba
, m
);
1342 adpt_i2o_status_get(pHba
);
1343 if(*status
== 0x02 ||
1344 pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
1345 printk(KERN_WARNING
"%s: Reset reject, trying to clear\n",
1348 PDEBUG("%s: Reset completed.\n", pHba
->name
);
1353 // This delay is to allow someone attached to the card through the debug UART to
1354 // set up the dump levels that they want before the rest of the initialization sequence
1361 static int adpt_i2o_parse_lct(adpt_hba
* pHba
)
1366 struct i2o_device
*d
;
1367 i2o_lct
*lct
= pHba
->lct
;
1371 u32 buf
[10]; // larger than 7, or 8 ...
1372 struct adpt_device
* pDev
;
1375 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
1379 max
= lct
->table_size
;
1383 for(i
=0;i
<max
;i
++) {
1384 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
1386 * If we have hidden devices, we need to inform the upper layers about
1387 * the possible maximum id reference to handle device access when
1388 * an array is disassembled. This code has no other purpose but to
1389 * allow us future access to devices that are currently hidden
1390 * behind arrays, hotspares or have not been configured (JBOD mode).
1392 if( lct
->lct_entry
[i
].class_id
!= I2O_CLASS_RANDOM_BLOCK_STORAGE
&&
1393 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_SCSI_PERIPHERAL
&&
1394 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1397 tid
= lct
->lct_entry
[i
].tid
;
1398 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1399 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
1402 bus_no
= buf
[0]>>16;
1404 scsi_lun
= (buf
[2]>>8 )&0xff;
1405 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1406 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
1409 if (scsi_id
>= MAX_ID
){
1410 printk(KERN_WARNING
"%s: SCSI ID %d out of range \n", pHba
->name
, bus_no
);
1413 if(bus_no
> pHba
->top_scsi_channel
){
1414 pHba
->top_scsi_channel
= bus_no
;
1416 if(scsi_id
> pHba
->top_scsi_id
){
1417 pHba
->top_scsi_id
= scsi_id
;
1419 if(scsi_lun
> pHba
->top_scsi_lun
){
1420 pHba
->top_scsi_lun
= scsi_lun
;
1424 d
= (struct i2o_device
*)kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
1427 printk(KERN_CRIT
"%s: Out of memory for I2O device data.\n",pHba
->name
);
1431 d
->controller
= pHba
;
1434 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
1437 tid
= d
->lct_data
.tid
;
1438 adpt_i2o_report_hba_unit(pHba
, d
);
1439 adpt_i2o_install_device(pHba
, d
);
1442 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1443 if(d
->lct_data
.class_id
== I2O_CLASS_BUS_ADAPTER_PORT
||
1444 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PORT
){
1445 tid
= d
->lct_data
.tid
;
1446 // TODO get the bus_no from hrt-but for now they are in order
1448 if(bus_no
> pHba
->top_scsi_channel
){
1449 pHba
->top_scsi_channel
= bus_no
;
1451 pHba
->channel
[bus_no
].type
= d
->lct_data
.class_id
;
1452 pHba
->channel
[bus_no
].tid
= tid
;
1453 if(adpt_i2o_query_scalar(pHba
, tid
, 0x0200, -1, buf
, 28)>=0)
1455 pHba
->channel
[bus_no
].scsi_id
= buf
[1];
1456 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no
, buf
[1]);
1458 // TODO remove - this is just until we get from hrt
1460 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1461 printk(KERN_WARNING
"%s: Channel number %d out of range - LCT\n", pHba
->name
, bus_no
);
1467 // Setup adpt_device table
1468 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1469 if(d
->lct_data
.class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
1470 d
->lct_data
.class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
1471 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1473 tid
= d
->lct_data
.tid
;
1475 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1476 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)>=0) {
1477 bus_no
= buf
[0]>>16;
1479 scsi_lun
= (buf
[2]>>8 )&0xff;
1480 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1483 if (scsi_id
>= MAX_ID
) {
1486 if( pHba
->channel
[bus_no
].device
[scsi_id
] == NULL
){
1487 pDev
= kmalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1491 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
1492 memset(pDev
,0,sizeof(struct adpt_device
));
1494 for( pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
1495 pDev
->next_lun
; pDev
= pDev
->next_lun
){
1497 pDev
->next_lun
= kmalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1498 if(pDev
->next_lun
== NULL
) {
1501 memset(pDev
->next_lun
,0,sizeof(struct adpt_device
));
1502 pDev
= pDev
->next_lun
;
1505 pDev
->scsi_channel
= bus_no
;
1506 pDev
->scsi_id
= scsi_id
;
1507 pDev
->scsi_lun
= scsi_lun
;
1510 pDev
->type
= (buf
[0])&0xff;
1511 pDev
->flags
= (buf
[0]>>8)&0xff;
1512 if(scsi_id
> pHba
->top_scsi_id
){
1513 pHba
->top_scsi_id
= scsi_id
;
1515 if(scsi_lun
> pHba
->top_scsi_lun
){
1516 pHba
->top_scsi_lun
= scsi_lun
;
1520 printk(KERN_WARNING
"Could not find SCSI ID for %s\n",
1521 d
->lct_data
.identity_tag
);
1530 * Each I2O controller has a chain of devices on it - these match
1531 * the useful parts of the LCT of the board.
1534 static int adpt_i2o_install_device(adpt_hba
* pHba
, struct i2o_device
*d
)
1536 down(&adpt_configuration_lock
);
1539 d
->next
=pHba
->devices
;
1541 if (pHba
->devices
!= NULL
){
1542 pHba
->devices
->prev
=d
;
1547 up(&adpt_configuration_lock
);
1551 static int adpt_open(struct inode
*inode
, struct file
*file
)
1556 //TODO check for root access
1558 minor
= iminor(inode
);
1559 if (minor
>= hba_count
) {
1562 down(&adpt_configuration_lock
);
1563 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1564 if (pHba
->unit
== minor
) {
1565 break; /* found adapter */
1569 up(&adpt_configuration_lock
);
1573 // if(pHba->in_use){
1574 // up(&adpt_configuration_lock);
1579 up(&adpt_configuration_lock
);
1584 static int adpt_close(struct inode
*inode
, struct file
*file
)
1589 minor
= iminor(inode
);
1590 if (minor
>= hba_count
) {
1593 down(&adpt_configuration_lock
);
1594 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1595 if (pHba
->unit
== minor
) {
1596 break; /* found adapter */
1599 up(&adpt_configuration_lock
);
1610 static int adpt_i2o_passthru(adpt_hba
* pHba
, u32 __user
*arg
)
1612 u32 msg
[MAX_MESSAGE_SIZE
];
1616 u32 __user
*user_msg
= arg
;
1617 u32 __user
* user_reply
= NULL
;
1618 void *sg_list
[pHba
->sg_tablesize
];
1627 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1628 // get user msg size in u32s
1629 if(get_user(size
, &user_msg
[0])){
1634 user_reply
= &user_msg
[size
];
1635 if(size
> MAX_MESSAGE_SIZE
){
1638 size
*= 4; // Convert to bytes
1640 /* Copy in the user's I2O command */
1641 if(copy_from_user(msg
, user_msg
, size
)) {
1644 get_user(reply_size
, &user_reply
[0]);
1645 reply_size
= reply_size
>>16;
1646 if(reply_size
> REPLY_FRAME_SIZE
){
1647 reply_size
= REPLY_FRAME_SIZE
;
1650 reply
= kmalloc(REPLY_FRAME_SIZE
*4, GFP_KERNEL
);
1652 printk(KERN_WARNING
"%s: Could not allocate reply buffer\n",pHba
->name
);
1655 memset(reply
,0,REPLY_FRAME_SIZE
*4);
1656 sg_offset
= (msg
[0]>>4)&0xf;
1657 msg
[2] = 0x40000000; // IOCTL context
1658 msg
[3] = (u32
)reply
;
1659 memset(sg_list
,0, sizeof(sg_list
[0])*pHba
->sg_tablesize
);
1662 struct sg_simple_element
*sg
= (struct sg_simple_element
*) (msg
+sg_offset
);
1663 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1664 if (sg_count
> pHba
->sg_tablesize
){
1665 printk(KERN_DEBUG
"%s:IOCTL SG List too large (%u)\n", pHba
->name
,sg_count
);
1670 for(i
= 0; i
< sg_count
; i
++) {
1673 if (!(sg
[i
].flag_count
& 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1674 printk(KERN_DEBUG
"%s:Bad SG element %d - not simple (%x)\n",pHba
->name
,i
, sg
[i
].flag_count
);
1678 sg_size
= sg
[i
].flag_count
& 0xffffff;
1679 /* Allocate memory for the transfer */
1680 p
= kmalloc(sg_size
, GFP_KERNEL
|ADDR32
);
1682 printk(KERN_DEBUG
"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1683 pHba
->name
,sg_size
,i
,sg_count
);
1687 sg_list
[sg_index
++] = p
; // sglist indexed with input frame, not our internal frame.
1688 /* Copy in the user's SG buffer if necessary */
1689 if(sg
[i
].flag_count
& 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1691 if (copy_from_user(p
,(void __user
*)sg
[i
].addr_bus
, sg_size
)) {
1692 printk(KERN_DEBUG
"%s: Could not copy SG buf %d FROM user\n",pHba
->name
,i
);
1698 sg
[i
].addr_bus
= (u32
)virt_to_bus(p
);
1704 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1705 // This state stops any new commands from enterring the
1706 // controller while processing the ioctl
1707 // pHba->state |= DPTI_STATE_IOCTL;
1708 // We can't set this now - The scsi subsystem sets host_blocked and
1709 // the queue empties and stops. We need a way to restart the queue
1710 rcode
= adpt_i2o_post_wait(pHba
, msg
, size
, FOREVER
);
1712 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1714 // pHba->state &= ~DPTI_STATE_IOCTL;
1716 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
1717 } while(rcode
== -ETIMEDOUT
);
1724 /* Copy back the Scatter Gather buffers back to user space */
1727 struct sg_simple_element
* sg
;
1730 // re-acquire the original message to handle correctly the sg copy operation
1731 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1732 // get user msg size in u32s
1733 if(get_user(size
, &user_msg
[0])){
1739 /* Copy in the user's I2O command */
1740 if (copy_from_user (msg
, user_msg
, size
)) {
1744 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1747 sg
= (struct sg_simple_element
*)(msg
+ sg_offset
);
1748 for (j
= 0; j
< sg_count
; j
++) {
1749 /* Copy out the SG list to user's buffer if necessary */
1750 if(! (sg
[j
].flag_count
& 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1751 sg_size
= sg
[j
].flag_count
& 0xffffff;
1753 if (copy_to_user((void __user
*)sg
[j
].addr_bus
,sg_list
[j
], sg_size
)) {
1754 printk(KERN_WARNING
"%s: Could not copy %p TO user %x\n",pHba
->name
, sg_list
[j
], sg
[j
].addr_bus
);
1762 /* Copy back the reply to user space */
1764 // we wrote our own values for context - now restore the user supplied ones
1765 if(copy_from_user(reply
+2, user_msg
+2, sizeof(u32
)*2)) {
1766 printk(KERN_WARNING
"%s: Could not copy message context FROM user\n",pHba
->name
);
1769 if(copy_to_user(user_reply
, reply
, reply_size
)) {
1770 printk(KERN_WARNING
"%s: Could not copy reply TO user\n",pHba
->name
);
1777 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
1780 if(sg_list
[--sg_index
]) {
1781 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
1782 kfree(sg_list
[sg_index
]);
1790 * This routine returns information about the system. This does not effect
1791 * any logic and if the info is wrong - it doesn't matter.
1794 /* Get all the info we can not get from kernel services */
1795 static int adpt_system_info(void __user
*buffer
)
1799 memset(&si
, 0, sizeof(si
));
1801 si
.osType
= OS_LINUX
;
1802 si
.osMajorVersion
= 0;
1803 si
.osMinorVersion
= 0;
1805 si
.busType
= SI_PCI_BUS
;
1806 si
.processorFamily
= DPTI_sig
.dsProcessorFamily
;
1808 #if defined __i386__
1809 adpt_i386_info(&si
);
1810 #elif defined (__ia64__)
1811 adpt_ia64_info(&si
);
1812 #elif defined(__sparc__)
1813 adpt_sparc_info(&si
);
1814 #elif defined (__alpha__)
1815 adpt_alpha_info(&si
);
1817 si
.processorType
= 0xff ;
1819 if(copy_to_user(buffer
, &si
, sizeof(si
))){
1820 printk(KERN_WARNING
"dpti: Could not copy buffer TO user\n");
1827 #if defined __ia64__
1828 static void adpt_ia64_info(sysInfo_S
* si
)
1830 // This is all the info we need for now
1831 // We will add more info as our new
1832 // managmenent utility requires it
1833 si
->processorType
= PROC_IA64
;
1838 #if defined __sparc__
1839 static void adpt_sparc_info(sysInfo_S
* si
)
1841 // This is all the info we need for now
1842 // We will add more info as our new
1843 // managmenent utility requires it
1844 si
->processorType
= PROC_ULTRASPARC
;
1848 #if defined __alpha__
1849 static void adpt_alpha_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_ALPHA
;
1858 #if defined __i386__
1860 static void adpt_i386_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 switch (boot_cpu_data
.x86
) {
1867 si
->processorType
= PROC_386
;
1870 si
->processorType
= PROC_486
;
1873 si
->processorType
= PROC_PENTIUM
;
1875 default: // Just in case
1876 si
->processorType
= PROC_PENTIUM
;
1884 static int adpt_ioctl(struct inode
*inode
, struct file
*file
, uint cmd
,
1891 void __user
*argp
= (void __user
*)arg
;
1893 minor
= iminor(inode
);
1894 if (minor
>= DPTI_MAX_HBA
){
1897 down(&adpt_configuration_lock
);
1898 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1899 if (pHba
->unit
== minor
) {
1900 break; /* found adapter */
1903 up(&adpt_configuration_lock
);
1908 while((volatile u32
) pHba
->state
& DPTI_STATE_RESET
)
1909 schedule_timeout_uninterruptible(2);
1912 // TODO: handle 3 cases
1914 if (copy_to_user(argp
, &DPTI_sig
, sizeof(DPTI_sig
))) {
1919 return adpt_i2o_passthru(pHba
, argp
);
1922 drvrHBAinfo_S HbaInfo
;
1924 #define FLG_OSD_PCI_VALID 0x0001
1925 #define FLG_OSD_DMA 0x0002
1926 #define FLG_OSD_I2O 0x0004
1927 memset(&HbaInfo
, 0, sizeof(HbaInfo
));
1928 HbaInfo
.drvrHBAnum
= pHba
->unit
;
1929 HbaInfo
.baseAddr
= (ulong
) pHba
->base_addr_phys
;
1930 HbaInfo
.blinkState
= adpt_read_blink_led(pHba
);
1931 HbaInfo
.pciBusNum
= pHba
->pDev
->bus
->number
;
1932 HbaInfo
.pciDeviceNum
=PCI_SLOT(pHba
->pDev
->devfn
);
1933 HbaInfo
.Interrupt
= pHba
->pDev
->irq
;
1934 HbaInfo
.hbaFlags
= FLG_OSD_PCI_VALID
| FLG_OSD_DMA
| FLG_OSD_I2O
;
1935 if(copy_to_user(argp
, &HbaInfo
, sizeof(HbaInfo
))){
1936 printk(KERN_WARNING
"%s: Could not copy HbaInfo TO user\n",pHba
->name
);
1942 return adpt_system_info(argp
);
1945 value
= (u32
)adpt_read_blink_led(pHba
);
1946 if (copy_to_user(argp
, &value
, sizeof(value
))) {
1953 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1954 adpt_hba_reset(pHba
);
1956 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
1969 static irqreturn_t
adpt_isr(int irq
, void *dev_id
, struct pt_regs
*regs
)
1971 struct scsi_cmnd
* cmd
;
1972 adpt_hba
* pHba
= dev_id
;
1974 void __iomem
*reply
;
1981 printk(KERN_WARNING
"adpt_isr: NULL dev_id\n");
1985 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1987 while( readl(pHba
->irq_mask
) & I2O_INTERRUPT_PENDING_B
) {
1988 m
= readl(pHba
->reply_port
);
1989 if(m
== EMPTY_QUEUE
){
1990 // Try twice then give up
1992 m
= readl(pHba
->reply_port
);
1993 if(m
== EMPTY_QUEUE
){
1994 // This really should not happen
1995 printk(KERN_ERR
"dpti: Could not get reply frame\n");
1999 reply
= bus_to_virt(m
);
2001 if (readl(reply
) & MSG_FAIL
) {
2002 u32 old_m
= readl(reply
+28);
2005 PDEBUG("%s: Failed message\n",pHba
->name
);
2006 if(old_m
>= 0x100000){
2007 printk(KERN_ERR
"%s: Bad preserved MFA (%x)- dropping frame\n",pHba
->name
,old_m
);
2008 writel(m
,pHba
->reply_port
);
2011 // Transaction context is 0 in failed reply frame
2012 msg
= pHba
->msg_addr_virt
+ old_m
;
2013 old_context
= readl(msg
+12);
2014 writel(old_context
, reply
+12);
2015 adpt_send_nop(pHba
, old_m
);
2017 context
= readl(reply
+8);
2018 if(context
& 0x40000000){ // IOCTL
2019 void *p
= (void *)readl(reply
+12);
2021 memcpy_fromio(p
, reply
, REPLY_FRAME_SIZE
* 4);
2023 // All IOCTLs will also be post wait
2025 if(context
& 0x80000000){ // Post wait message
2026 status
= readl(reply
+16);
2028 status
&= 0xffff; /* Get detail status */
2030 status
= I2O_POST_WAIT_OK
;
2032 if(!(context
& 0x40000000)) {
2033 cmd
= (struct scsi_cmnd
*) readl(reply
+12);
2035 printk(KERN_WARNING
"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba
->name
, cmd
, context
);
2038 adpt_i2o_post_wait_complete(context
, status
);
2039 } else { // SCSI message
2040 cmd
= (struct scsi_cmnd
*) readl(reply
+12);
2042 if(cmd
->serial_number
!= 0) { // If not timedout
2043 adpt_i2o_to_scsi(reply
, cmd
);
2047 writel(m
, pHba
->reply_port
);
2053 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2054 return IRQ_RETVAL(handled
);
2057 static s32
adpt_scsi_to_i2o(adpt_hba
* pHba
, struct scsi_cmnd
* cmd
, struct adpt_device
* d
)
2060 u32 msg
[MAX_MESSAGE_SIZE
];
2069 memset(msg
, 0 , sizeof(msg
));
2070 len
= cmd
->request_bufflen
;
2071 direction
= 0x00000000;
2073 scsidir
= 0x00000000; // DATA NO XFER
2076 * Set SCBFlags to indicate if data is being transferred
2077 * in or out, or no data transfer
2078 * Note: Do not have to verify index is less than 0 since
2079 * cmd->cmnd[0] is an unsigned char
2081 switch(cmd
->sc_data_direction
){
2082 case DMA_FROM_DEVICE
:
2083 scsidir
=0x40000000; // DATA IN (iop<--dev)
2086 direction
=0x04000000; // SGL OUT
2087 scsidir
=0x80000000; // DATA OUT (iop-->dev)
2091 case DMA_BIDIRECTIONAL
:
2092 scsidir
=0x40000000; // DATA IN (iop<--dev)
2093 // Assume In - and continue;
2096 printk(KERN_WARNING
"%s: scsi opcode 0x%x not supported.\n",
2097 pHba
->name
, cmd
->cmnd
[0]);
2098 cmd
->result
= (DID_OK
<<16) | (INITIATOR_ERROR
<< 8);
2099 cmd
->scsi_done(cmd
);
2103 // msg[0] is set later
2104 // I2O_CMD_SCSI_EXEC
2105 msg
[1] = ((0xff<<24)|(HOST_TID
<<12)|d
->tid
);
2107 msg
[3] = (u32
)cmd
; /* We want the SCSI control block back */
2108 // Our cards use the transaction context as the tag for queueing
2109 // Adaptec/DPT Private stuff
2110 msg
[4] = I2O_CMD_SCSI_EXEC
|(DPT_ORGANIZATION_ID
<<16);
2112 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2113 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2114 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2115 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2116 msg
[6] = scsidir
|0x20a00000|cmd
->cmd_len
;
2120 // Write SCSI command into the message - always 16 byte block
2121 memset(mptr
, 0, 16);
2122 memcpy(mptr
, cmd
->cmnd
, cmd
->cmd_len
);
2124 lenptr
=mptr
++; /* Remember me - fill in when we know */
2125 reqlen
= 14; // SINGLE SGE
2126 /* Now fill in the SGList and command */
2128 struct scatterlist
*sg
= (struct scatterlist
*)cmd
->request_buffer
;
2129 int sg_count
= pci_map_sg(pHba
->pDev
, sg
, cmd
->use_sg
,
2130 cmd
->sc_data_direction
);
2134 for(i
= 0 ; i
< sg_count
; i
++) {
2135 *mptr
++ = direction
|0x10000000|sg_dma_len(sg
);
2136 len
+=sg_dma_len(sg
);
2137 *mptr
++ = sg_dma_address(sg
);
2140 /* Make this an end of list */
2141 mptr
[-2] = direction
|0xD0000000|sg_dma_len(sg
-1);
2142 reqlen
= mptr
- msg
;
2145 if(cmd
->underflow
&& len
!= cmd
->underflow
){
2146 printk(KERN_WARNING
"Cmd len %08X Cmd underflow %08X\n",
2147 len
, cmd
->underflow
);
2150 *lenptr
= len
= cmd
->request_bufflen
;
2154 *mptr
++ = 0xD0000000|direction
|cmd
->request_bufflen
;
2155 *mptr
++ = pci_map_single(pHba
->pDev
,
2156 cmd
->request_buffer
,
2157 cmd
->request_bufflen
,
2158 cmd
->sc_data_direction
);
2162 /* Stick the headers on */
2163 msg
[0] = reqlen
<<16 | ((reqlen
> 12) ? SGL_OFFSET_12
: SGL_OFFSET_0
);
2165 // Send it on it's way
2166 rcode
= adpt_i2o_post_this(pHba
, msg
, reqlen
<<2);
2174 static s32
adpt_scsi_register(adpt_hba
* pHba
,struct scsi_host_template
* sht
)
2176 struct Scsi_Host
*host
= NULL
;
2178 host
= scsi_register(sht
, sizeof(adpt_hba
*));
2180 printk ("%s: scsi_register returned NULL\n",pHba
->name
);
2183 host
->hostdata
[0] = (unsigned long)pHba
;
2186 host
->irq
= pHba
->pDev
->irq
;
2187 /* no IO ports, so don't have to set host->io_port and
2191 host
->n_io_port
= 0;
2192 /* see comments in hosts.h */
2194 host
->max_lun
= 256;
2195 host
->max_channel
= pHba
->top_scsi_channel
+ 1;
2196 host
->cmd_per_lun
= 1;
2197 host
->unique_id
= (uint
) pHba
;
2198 host
->sg_tablesize
= pHba
->sg_tablesize
;
2199 host
->can_queue
= pHba
->post_fifo_size
;
2205 static s32
adpt_i2o_to_scsi(void __iomem
*reply
, struct scsi_cmnd
* cmd
)
2210 u32 reply_flags
= readl(reply
) & 0xff00; // Leave it shifted up 8 bits
2211 // I know this would look cleaner if I just read bytes
2212 // but the model I have been using for all the rest of the
2213 // io is in 4 byte words - so I keep that model
2214 u16 detailed_status
= readl(reply
+16) &0xffff;
2215 dev_status
= (detailed_status
& 0xff);
2216 hba_status
= detailed_status
>> 8;
2218 // calculate resid for sg
2219 cmd
->resid
= cmd
->request_bufflen
- readl(reply
+5);
2221 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
2223 cmd
->sense_buffer
[0] = '\0'; // initialize sense valid flag to false
2225 if(!(reply_flags
& MSG_FAIL
)) {
2226 switch(detailed_status
& I2O_SCSI_DSC_MASK
) {
2227 case I2O_SCSI_DSC_SUCCESS
:
2228 cmd
->result
= (DID_OK
<< 16);
2230 if(readl(reply
+5) < cmd
->underflow
) {
2231 cmd
->result
= (DID_ERROR
<<16);
2232 printk(KERN_WARNING
"%s: SCSI CMD underflow\n",pHba
->name
);
2235 case I2O_SCSI_DSC_REQUEST_ABORTED
:
2236 cmd
->result
= (DID_ABORT
<< 16);
2238 case I2O_SCSI_DSC_PATH_INVALID
:
2239 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT
:
2240 case I2O_SCSI_DSC_SELECTION_TIMEOUT
:
2241 case I2O_SCSI_DSC_COMMAND_TIMEOUT
:
2242 case I2O_SCSI_DSC_NO_ADAPTER
:
2243 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE
:
2244 printk(KERN_WARNING
"%s: SCSI Timeout-Device (%d,%d,%d) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2245 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
, hba_status
, dev_status
, cmd
->cmnd
[0]);
2246 cmd
->result
= (DID_TIME_OUT
<< 16);
2248 case I2O_SCSI_DSC_ADAPTER_BUSY
:
2249 case I2O_SCSI_DSC_BUS_BUSY
:
2250 cmd
->result
= (DID_BUS_BUSY
<< 16);
2252 case I2O_SCSI_DSC_SCSI_BUS_RESET
:
2253 case I2O_SCSI_DSC_BDR_MESSAGE_SENT
:
2254 cmd
->result
= (DID_RESET
<< 16);
2256 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE
:
2257 printk(KERN_WARNING
"%s: SCSI CMD parity error\n",pHba
->name
);
2258 cmd
->result
= (DID_PARITY
<< 16);
2260 case I2O_SCSI_DSC_UNABLE_TO_ABORT
:
2261 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR
:
2262 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE
:
2263 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED
:
2264 case I2O_SCSI_DSC_AUTOSENSE_FAILED
:
2265 case I2O_SCSI_DSC_DATA_OVERRUN
:
2266 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE
:
2267 case I2O_SCSI_DSC_SEQUENCE_FAILURE
:
2268 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR
:
2269 case I2O_SCSI_DSC_PROVIDE_FAILURE
:
2270 case I2O_SCSI_DSC_REQUEST_TERMINATED
:
2271 case I2O_SCSI_DSC_IDE_MESSAGE_SENT
:
2272 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT
:
2273 case I2O_SCSI_DSC_MESSAGE_RECEIVED
:
2274 case I2O_SCSI_DSC_INVALID_CDB
:
2275 case I2O_SCSI_DSC_LUN_INVALID
:
2276 case I2O_SCSI_DSC_SCSI_TID_INVALID
:
2277 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE
:
2278 case I2O_SCSI_DSC_NO_NEXUS
:
2279 case I2O_SCSI_DSC_CDB_RECEIVED
:
2280 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED
:
2281 case I2O_SCSI_DSC_QUEUE_FROZEN
:
2282 case I2O_SCSI_DSC_REQUEST_INVALID
:
2284 printk(KERN_WARNING
"%s: SCSI error %0x-Device(%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2285 pHba
->name
, detailed_status
& I2O_SCSI_DSC_MASK
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2286 hba_status
, dev_status
, cmd
->cmnd
[0]);
2287 cmd
->result
= (DID_ERROR
<< 16);
2291 // copy over the request sense data if it was a check
2293 if(dev_status
== 0x02 /*CHECK_CONDITION*/) {
2294 u32 len
= sizeof(cmd
->sense_buffer
);
2295 len
= (len
> 40) ? 40 : len
;
2296 // Copy over the sense data
2297 memcpy_fromio(cmd
->sense_buffer
, (reply
+28) , len
);
2298 if(cmd
->sense_buffer
[0] == 0x70 /* class 7 */ &&
2299 cmd
->sense_buffer
[2] == DATA_PROTECT
){
2300 /* This is to handle an array failed */
2301 cmd
->result
= (DID_TIME_OUT
<< 16);
2302 printk(KERN_WARNING
"%s: SCSI Data Protect-Device (%d,%d,%d) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2303 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2304 hba_status
, dev_status
, cmd
->cmnd
[0]);
2309 /* In this condtion we could not talk to the tid
2310 * the card rejected it. We should signal a retry
2311 * for a limitted number of retries.
2313 cmd
->result
= (DID_TIME_OUT
<< 16);
2314 printk(KERN_WARNING
"%s: I2O MSG_FAIL - Device (%d,%d,%d) tid=%d, cmd=0x%x\n",
2315 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, (u32
)cmd
->device
->lun
,
2316 ((struct adpt_device
*)(cmd
->device
->hostdata
))->tid
, cmd
->cmnd
[0]);
2319 cmd
->result
|= (dev_status
);
2321 if(cmd
->scsi_done
!= NULL
){
2322 cmd
->scsi_done(cmd
);
2328 static s32
adpt_rescan(adpt_hba
* pHba
)
2334 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2335 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0)
2337 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0)
2341 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2346 static s32
adpt_i2o_reparse_lct(adpt_hba
* pHba
)
2351 struct i2o_device
*d
;
2352 i2o_lct
*lct
= pHba
->lct
;
2356 u32 buf
[10]; // at least 8 u32's
2357 struct adpt_device
* pDev
= NULL
;
2358 struct i2o_device
* pI2o_dev
= NULL
;
2361 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
2365 max
= lct
->table_size
;
2369 // Mark each drive as unscanned
2370 for (d
= pHba
->devices
; d
; d
= d
->next
) {
2371 pDev
=(struct adpt_device
*) d
->owner
;
2375 pDev
->state
|= DPTI_DEV_UNSCANNED
;
2378 printk(KERN_INFO
"%s: LCT has %d entries.\n", pHba
->name
,max
);
2380 for(i
=0;i
<max
;i
++) {
2381 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
2385 if( lct
->lct_entry
[i
].class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
2386 lct
->lct_entry
[i
].class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
2387 lct
->lct_entry
[i
].class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
2388 tid
= lct
->lct_entry
[i
].tid
;
2389 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
2390 printk(KERN_ERR
"%s: Could not query device\n",pHba
->name
);
2393 bus_no
= buf
[0]>>16;
2395 scsi_lun
= (buf
[2]>>8 )&0xff;
2396 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2399 if(pDev
->scsi_lun
== scsi_lun
) {
2402 pDev
= pDev
->next_lun
;
2404 if(!pDev
) { // Something new add it
2405 d
= (struct i2o_device
*)kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
2408 printk(KERN_CRIT
"Out of memory for I2O device data.\n");
2412 d
->controller
= pHba
;
2415 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2418 adpt_i2o_report_hba_unit(pHba
, d
);
2419 adpt_i2o_install_device(pHba
, d
);
2421 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
2422 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
2425 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2427 pDev
= kmalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2431 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
2433 while (pDev
->next_lun
) {
2434 pDev
= pDev
->next_lun
;
2436 pDev
= pDev
->next_lun
= kmalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
2441 memset(pDev
,0,sizeof(struct adpt_device
));
2442 pDev
->tid
= d
->lct_data
.tid
;
2443 pDev
->scsi_channel
= bus_no
;
2444 pDev
->scsi_id
= scsi_id
;
2445 pDev
->scsi_lun
= scsi_lun
;
2448 pDev
->type
= (buf
[0])&0xff;
2449 pDev
->flags
= (buf
[0]>>8)&0xff;
2450 // Too late, SCSI system has made up it's mind, but what the hey ...
2451 if(scsi_id
> pHba
->top_scsi_id
){
2452 pHba
->top_scsi_id
= scsi_id
;
2454 if(scsi_lun
> pHba
->top_scsi_lun
){
2455 pHba
->top_scsi_lun
= scsi_lun
;
2458 } // end of new i2o device
2460 // We found an old device - check it
2462 if(pDev
->scsi_lun
== scsi_lun
) {
2463 if(!scsi_device_online(pDev
->pScsi_dev
)) {
2464 printk(KERN_WARNING
"%s: Setting device (%d,%d,%d) back online\n",
2465 pHba
->name
,bus_no
,scsi_id
,scsi_lun
);
2466 if (pDev
->pScsi_dev
) {
2467 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_RUNNING
);
2471 if(d
->lct_data
.tid
!= tid
) { // something changed
2473 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2474 if (pDev
->pScsi_dev
) {
2475 pDev
->pScsi_dev
->changed
= TRUE
;
2476 pDev
->pScsi_dev
->removable
= TRUE
;
2479 // Found it - mark it scanned
2480 pDev
->state
= DPTI_DEV_ONLINE
;
2483 pDev
= pDev
->next_lun
;
2487 for (pI2o_dev
= pHba
->devices
; pI2o_dev
; pI2o_dev
= pI2o_dev
->next
) {
2488 pDev
=(struct adpt_device
*) pI2o_dev
->owner
;
2492 // Drive offline drives that previously existed but could not be found
2494 if (pDev
->state
& DPTI_DEV_UNSCANNED
){
2495 pDev
->state
= DPTI_DEV_OFFLINE
;
2496 printk(KERN_WARNING
"%s: Device (%d,%d,%d) offline\n",pHba
->name
,pDev
->scsi_channel
,pDev
->scsi_id
,pDev
->scsi_lun
);
2497 if (pDev
->pScsi_dev
) {
2498 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_OFFLINE
);
2505 static void adpt_fail_posted_scbs(adpt_hba
* pHba
)
2507 struct scsi_cmnd
* cmd
= NULL
;
2508 struct scsi_device
* d
= NULL
;
2510 shost_for_each_device(d
, pHba
->host
) {
2511 unsigned long flags
;
2512 spin_lock_irqsave(&d
->list_lock
, flags
);
2513 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
2514 if(cmd
->serial_number
== 0){
2517 cmd
->result
= (DID_OK
<< 16) | (QUEUE_FULL
<<1);
2518 cmd
->scsi_done(cmd
);
2520 spin_unlock_irqrestore(&d
->list_lock
, flags
);
2525 /*============================================================================
2526 * Routines from i2o subsystem
2527 *============================================================================
2533 * Bring an I2O controller into HOLD state. See the spec.
2535 static int adpt_i2o_activate_hba(adpt_hba
* pHba
)
2539 if(pHba
->initialized
) {
2540 if (adpt_i2o_status_get(pHba
) < 0) {
2541 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2542 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2545 if (adpt_i2o_status_get(pHba
) < 0) {
2546 printk(KERN_INFO
"HBA not responding.\n");
2551 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_FAULTED
) {
2552 printk(KERN_CRIT
"%s: hardware fault\n", pHba
->name
);
2556 if (pHba
->status_block
->iop_state
== ADAPTER_STATE_READY
||
2557 pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
||
2558 pHba
->status_block
->iop_state
== ADAPTER_STATE_HOLD
||
2559 pHba
->status_block
->iop_state
== ADAPTER_STATE_FAILED
) {
2560 adpt_i2o_reset_hba(pHba
);
2561 if (adpt_i2o_status_get(pHba
) < 0 || pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
2562 printk(KERN_ERR
"%s: Failed to initialize.\n", pHba
->name
);
2567 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2568 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2574 if (adpt_i2o_init_outbound_q(pHba
) < 0) {
2580 if (adpt_i2o_hrt_get(pHba
) < 0) {
2588 * Bring a controller online into OPERATIONAL state.
2591 static int adpt_i2o_online_hba(adpt_hba
* pHba
)
2593 if (adpt_i2o_systab_send(pHba
) < 0) {
2594 adpt_i2o_delete_hba(pHba
);
2597 /* In READY state */
2599 if (adpt_i2o_enable_hba(pHba
) < 0) {
2600 adpt_i2o_delete_hba(pHba
);
2604 /* In OPERATIONAL state */
2608 static s32
adpt_send_nop(adpt_hba
*pHba
,u32 m
)
2611 ulong timeout
= jiffies
+ 5*HZ
;
2613 while(m
== EMPTY_QUEUE
){
2615 m
= readl(pHba
->post_port
);
2616 if(m
!= EMPTY_QUEUE
){
2619 if(time_after(jiffies
,timeout
)){
2620 printk(KERN_ERR
"%s: Timeout waiting for message frame!\n",pHba
->name
);
2623 schedule_timeout_uninterruptible(1);
2625 msg
= (u32 __iomem
*)(pHba
->msg_addr_virt
+ m
);
2626 writel( THREE_WORD_MSG_SIZE
| SGL_OFFSET_0
,&msg
[0]);
2627 writel( I2O_CMD_UTIL_NOP
<< 24 | HOST_TID
<< 12 | 0,&msg
[1]);
2631 writel(m
, pHba
->post_port
);
2636 static s32
adpt_i2o_init_outbound_q(adpt_hba
* pHba
)
2639 u32 __iomem
*msg
= NULL
;
2641 ulong timeout
= jiffies
+ TMOUT_INITOUTBOUND
*HZ
;
2643 u32 outbound_frame
; // This had to be a 32 bit address
2648 m
= readl(pHba
->post_port
);
2649 if (m
!= EMPTY_QUEUE
) {
2653 if(time_after(jiffies
,timeout
)){
2654 printk(KERN_WARNING
"%s: Timeout waiting for message frame\n",pHba
->name
);
2657 schedule_timeout_uninterruptible(1);
2658 } while(m
== EMPTY_QUEUE
);
2660 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2662 status
= kmalloc(4,GFP_KERNEL
|ADDR32
);
2664 adpt_send_nop(pHba
, m
);
2665 printk(KERN_WARNING
"%s: IOP reset failed - no free memory.\n",
2669 memset(status
, 0, 4);
2671 writel(EIGHT_WORD_MSG_SIZE
| SGL_OFFSET_6
, &msg
[0]);
2672 writel(I2O_CMD_OUTBOUND_INIT
<<24 | HOST_TID
<<12 | ADAPTER_TID
, &msg
[1]);
2674 writel(0x0106, &msg
[3]); /* Transaction context */
2675 writel(4096, &msg
[4]); /* Host page frame size */
2676 writel((REPLY_FRAME_SIZE
)<<16|0x80, &msg
[5]); /* Outbound msg frame size and Initcode */
2677 writel(0xD0000004, &msg
[6]); /* Simple SG LE, EOB */
2678 writel(virt_to_bus(status
), &msg
[7]);
2680 writel(m
, pHba
->post_port
);
2683 // Wait for the reply status to come back
2686 if (*status
!= 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2691 if(time_after(jiffies
,timeout
)){
2692 printk(KERN_WARNING
"%s: Timeout Initializing\n",pHba
->name
);
2695 schedule_timeout_uninterruptible(1);
2698 // If the command was successful, fill the fifo with our reply
2700 if(*status
!= 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2706 kfree(pHba
->reply_pool
);
2708 pHba
->reply_pool
= (u32
*)kmalloc(pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4, GFP_KERNEL
|ADDR32
);
2709 if(!pHba
->reply_pool
){
2710 printk(KERN_ERR
"%s: Could not allocate reply pool\n",pHba
->name
);
2713 memset(pHba
->reply_pool
, 0 , pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4);
2715 ptr
= pHba
->reply_pool
;
2716 for(i
= 0; i
< pHba
->reply_fifo_size
; i
++) {
2717 outbound_frame
= (u32
)virt_to_bus(ptr
);
2718 writel(outbound_frame
, pHba
->reply_port
);
2720 ptr
+= REPLY_FRAME_SIZE
;
2722 adpt_i2o_status_get(pHba
);
2728 * I2O System Table. Contains information about
2729 * all the IOPs in the system. Used to inform IOPs
2730 * about each other's existence.
2732 * sys_tbl_ver is the CurrentChangeIndicator that is
2733 * used by IOPs to track changes.
2738 static s32
adpt_i2o_status_get(adpt_hba
* pHba
)
2743 u8
*status_block
=NULL
;
2744 ulong status_block_bus
;
2746 if(pHba
->status_block
== NULL
) {
2747 pHba
->status_block
= (i2o_status_block
*)
2748 kmalloc(sizeof(i2o_status_block
),GFP_KERNEL
|ADDR32
);
2749 if(pHba
->status_block
== NULL
) {
2751 "dpti%d: Get Status Block failed; Out of memory. \n",
2756 memset(pHba
->status_block
, 0, sizeof(i2o_status_block
));
2757 status_block
= (u8
*)(pHba
->status_block
);
2758 status_block_bus
= virt_to_bus(pHba
->status_block
);
2759 timeout
= jiffies
+TMOUT_GETSTATUS
*HZ
;
2762 m
= readl(pHba
->post_port
);
2763 if (m
!= EMPTY_QUEUE
) {
2766 if(time_after(jiffies
,timeout
)){
2767 printk(KERN_ERR
"%s: Timeout waiting for message !\n",
2771 schedule_timeout_uninterruptible(1);
2772 } while(m
==EMPTY_QUEUE
);
2775 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2777 writel(NINE_WORD_MSG_SIZE
|SGL_OFFSET_0
, &msg
[0]);
2778 writel(I2O_CMD_STATUS_GET
<<24|HOST_TID
<<12|ADAPTER_TID
, &msg
[1]);
2783 writel(((u32
)status_block_bus
)&0xffffffff, &msg
[6]);
2785 writel(sizeof(i2o_status_block
), &msg
[8]); // 88 bytes
2788 writel(m
, pHba
->post_port
);
2791 while(status_block
[87]!=0xff){
2792 if(time_after(jiffies
,timeout
)){
2793 printk(KERN_ERR
"dpti%d: Get status timeout.\n",
2798 schedule_timeout_uninterruptible(1);
2801 // Set up our number of outbound and inbound messages
2802 pHba
->post_fifo_size
= pHba
->status_block
->max_inbound_frames
;
2803 if (pHba
->post_fifo_size
> MAX_TO_IOP_MESSAGES
) {
2804 pHba
->post_fifo_size
= MAX_TO_IOP_MESSAGES
;
2807 pHba
->reply_fifo_size
= pHba
->status_block
->max_outbound_frames
;
2808 if (pHba
->reply_fifo_size
> MAX_FROM_IOP_MESSAGES
) {
2809 pHba
->reply_fifo_size
= MAX_FROM_IOP_MESSAGES
;
2812 // Calculate the Scatter Gather list size
2813 pHba
->sg_tablesize
= (pHba
->status_block
->inbound_frame_size
* 4 -40)/ sizeof(struct sg_simple_element
);
2814 if (pHba
->sg_tablesize
> SG_LIST_ELEMENTS
) {
2815 pHba
->sg_tablesize
= SG_LIST_ELEMENTS
;
2820 printk("dpti%d: State = ",pHba
->unit
);
2821 switch(pHba
->status_block
->iop_state
) {
2835 printk("OPERATIONAL\n");
2841 printk("FAULTED\n");
2844 printk("%x (unknown!!)\n",pHba
->status_block
->iop_state
);
2851 * Get the IOP's Logical Configuration Table
2853 static int adpt_i2o_lct_get(adpt_hba
* pHba
)
2859 if ((pHba
->lct_size
== 0) || (pHba
->lct
== NULL
)){
2860 pHba
->lct_size
= pHba
->status_block
->expected_lct_size
;
2863 if (pHba
->lct
== NULL
) {
2864 pHba
->lct
= kmalloc(pHba
->lct_size
, GFP_KERNEL
|ADDR32
);
2865 if(pHba
->lct
== NULL
) {
2866 printk(KERN_CRIT
"%s: Lct Get failed. Out of memory.\n",
2871 memset(pHba
->lct
, 0, pHba
->lct_size
);
2873 msg
[0] = EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_6
;
2874 msg
[1] = I2O_CMD_LCT_NOTIFY
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
2877 msg
[4] = 0xFFFFFFFF; /* All devices */
2878 msg
[5] = 0x00000000; /* Report now */
2879 msg
[6] = 0xD0000000|pHba
->lct_size
;
2880 msg
[7] = virt_to_bus(pHba
->lct
);
2882 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 360))) {
2883 printk(KERN_ERR
"%s: LCT Get failed (status=%#10x.\n",
2885 printk(KERN_ERR
"Adaptec: Error Reading Hardware.\n");
2889 if ((pHba
->lct
->table_size
<< 2) > pHba
->lct_size
) {
2890 pHba
->lct_size
= pHba
->lct
->table_size
<< 2;
2894 } while (pHba
->lct
== NULL
);
2896 PDEBUG("%s: Hardware resource table read.\n", pHba
->name
);
2899 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
2900 if(adpt_i2o_query_scalar(pHba
, 0 , 0x8000, -1, buf
, sizeof(buf
))>=0) {
2901 pHba
->FwDebugBufferSize
= buf
[1];
2902 pHba
->FwDebugBuffer_P
= pHba
->base_addr_virt
+ buf
[0];
2903 pHba
->FwDebugFlags_P
= pHba
->FwDebugBuffer_P
+ FW_DEBUG_FLAGS_OFFSET
;
2904 pHba
->FwDebugBLEDvalue_P
= pHba
->FwDebugBuffer_P
+ FW_DEBUG_BLED_OFFSET
;
2905 pHba
->FwDebugBLEDflag_P
= pHba
->FwDebugBLEDvalue_P
+ 1;
2906 pHba
->FwDebugStrLength_P
= pHba
->FwDebugBuffer_P
+ FW_DEBUG_STR_LENGTH_OFFSET
;
2907 pHba
->FwDebugBuffer_P
+= buf
[2];
2908 pHba
->FwDebugFlags
= 0;
2914 static int adpt_i2o_build_sys_table(void)
2916 adpt_hba
* pHba
= NULL
;
2919 sys_tbl_len
= sizeof(struct i2o_sys_tbl
) + // Header + IOPs
2920 (hba_count
) * sizeof(struct i2o_sys_tbl_entry
);
2924 sys_tbl
= kmalloc(sys_tbl_len
, GFP_KERNEL
|ADDR32
);
2926 printk(KERN_WARNING
"SysTab Set failed. Out of memory.\n");
2929 memset(sys_tbl
, 0, sys_tbl_len
);
2931 sys_tbl
->num_entries
= hba_count
;
2932 sys_tbl
->version
= I2OVERSION
;
2933 sys_tbl
->change_ind
= sys_tbl_ind
++;
2935 for(pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
2936 // Get updated Status Block so we have the latest information
2937 if (adpt_i2o_status_get(pHba
)) {
2938 sys_tbl
->num_entries
--;
2939 continue; // try next one
2942 sys_tbl
->iops
[count
].org_id
= pHba
->status_block
->org_id
;
2943 sys_tbl
->iops
[count
].iop_id
= pHba
->unit
+ 2;
2944 sys_tbl
->iops
[count
].seg_num
= 0;
2945 sys_tbl
->iops
[count
].i2o_version
= pHba
->status_block
->i2o_version
;
2946 sys_tbl
->iops
[count
].iop_state
= pHba
->status_block
->iop_state
;
2947 sys_tbl
->iops
[count
].msg_type
= pHba
->status_block
->msg_type
;
2948 sys_tbl
->iops
[count
].frame_size
= pHba
->status_block
->inbound_frame_size
;
2949 sys_tbl
->iops
[count
].last_changed
= sys_tbl_ind
- 1; // ??
2950 sys_tbl
->iops
[count
].iop_capabilities
= pHba
->status_block
->iop_capabilities
;
2951 sys_tbl
->iops
[count
].inbound_low
= (u32
)virt_to_bus(pHba
->post_port
);
2952 sys_tbl
->iops
[count
].inbound_high
= (u32
)((u64
)virt_to_bus(pHba
->post_port
)>>32);
2959 u32
*table
= (u32
*)sys_tbl
;
2960 printk(KERN_DEBUG
"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len
>>2));
2961 for(count
= 0; count
< (sys_tbl_len
>>2); count
++) {
2962 printk(KERN_INFO
"sys_tbl[%d] = %0#10x\n",
2963 count
, table
[count
]);
2973 * Dump the information block associated with a given unit (TID)
2976 static void adpt_i2o_report_hba_unit(adpt_hba
* pHba
, struct i2o_device
*d
)
2979 int unit
= d
->lct_data
.tid
;
2981 printk(KERN_INFO
"TID %3.3d ", unit
);
2983 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 3, buf
, 16)>=0)
2986 printk(" Vendor: %-12.12s", buf
);
2988 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 4, buf
, 16)>=0)
2991 printk(" Device: %-12.12s", buf
);
2993 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 6, buf
, 8)>=0)
2996 printk(" Rev: %-12.12s\n", buf
);
2999 printk(KERN_INFO
"\tClass: %.21s\n", adpt_i2o_get_class_name(d
->lct_data
.class_id
));
3000 printk(KERN_INFO
"\tSubclass: 0x%04X\n", d
->lct_data
.sub_class
);
3001 printk(KERN_INFO
"\tFlags: ");
3003 if(d
->lct_data
.device_flags
&(1<<0))
3004 printk("C"); // ConfigDialog requested
3005 if(d
->lct_data
.device_flags
&(1<<1))
3006 printk("U"); // Multi-user capable
3007 if(!(d
->lct_data
.device_flags
&(1<<4)))
3008 printk("P"); // Peer service enabled!
3009 if(!(d
->lct_data
.device_flags
&(1<<5)))
3010 printk("M"); // Mgmt service enabled!
3017 * Do i2o class name lookup
3019 static const char *adpt_i2o_get_class_name(int class)
3022 static char *i2o_class_name
[] = {
3024 "Device Driver Module",
3029 "Fibre Channel Port",
3030 "Fibre Channel Device",
3034 "Floppy Controller",
3036 "Secondary Bus Port",
3037 "Peer Transport Agent",
3042 switch(class&0xFFF) {
3043 case I2O_CLASS_EXECUTIVE
:
3047 case I2O_CLASS_RANDOM_BLOCK_STORAGE
:
3049 case I2O_CLASS_SEQUENTIAL_STORAGE
:
3055 case I2O_CLASS_FIBRE_CHANNEL_PORT
:
3057 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
:
3059 case I2O_CLASS_SCSI_PERIPHERAL
:
3061 case I2O_CLASS_ATE_PORT
:
3063 case I2O_CLASS_ATE_PERIPHERAL
:
3065 case I2O_CLASS_FLOPPY_CONTROLLER
:
3067 case I2O_CLASS_FLOPPY_DEVICE
:
3069 case I2O_CLASS_BUS_ADAPTER_PORT
:
3071 case I2O_CLASS_PEER_TRANSPORT_AGENT
:
3073 case I2O_CLASS_PEER_TRANSPORT
:
3076 return i2o_class_name
[idx
];
3081 static s32
adpt_i2o_hrt_get(adpt_hba
* pHba
)
3084 int ret
, size
= sizeof(i2o_hrt
);
3087 if (pHba
->hrt
== NULL
) {
3088 pHba
->hrt
=kmalloc(size
, GFP_KERNEL
|ADDR32
);
3089 if (pHba
->hrt
== NULL
) {
3090 printk(KERN_CRIT
"%s: Hrt Get failed; Out of memory.\n", pHba
->name
);
3095 msg
[0]= SIX_WORD_MSG_SIZE
| SGL_OFFSET_4
;
3096 msg
[1]= I2O_CMD_HRT_GET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3099 msg
[4]= (0xD0000000 | size
); /* Simple transaction */
3100 msg
[5]= virt_to_bus(pHba
->hrt
); /* Dump it here */
3102 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
),20))) {
3103 printk(KERN_ERR
"%s: Unable to get HRT (status=%#10x)\n", pHba
->name
, ret
);
3107 if (pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2 > size
) {
3108 size
= pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2;
3112 } while(pHba
->hrt
== NULL
);
3117 * Query one scalar group value or a whole scalar group.
3119 static int adpt_i2o_query_scalar(adpt_hba
* pHba
, int tid
,
3120 int group
, int field
, void *buf
, int buflen
)
3122 u16 opblk
[] = { 1, 0, I2O_PARAMS_FIELD_GET
, group
, 1, field
};
3127 /* 8 bytes for header */
3128 resblk
= kmalloc(sizeof(u8
) * (8+buflen
), GFP_KERNEL
|ADDR32
);
3129 if (resblk
== NULL
) {
3130 printk(KERN_CRIT
"%s: query scalar failed; Out of memory.\n", pHba
->name
);
3134 if (field
== -1) /* whole group */
3137 size
= adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET
, pHba
, tid
,
3138 opblk
, sizeof(opblk
), resblk
, sizeof(u8
)*(8+buflen
));
3139 if (size
== -ETIME
) {
3140 printk(KERN_WARNING
"%s: issue params failed; Timed out.\n", pHba
->name
);
3142 } else if (size
== -EINTR
) {
3143 printk(KERN_WARNING
"%s: issue params failed; Interrupted.\n", pHba
->name
);
3147 memcpy(buf
, resblk
+8, buflen
); /* cut off header */
3157 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3159 * This function can be used for all UtilParamsGet/Set operations.
3160 * The OperationBlock is given in opblk-buffer,
3161 * and results are returned in resblk-buffer.
3162 * Note that the minimum sized resblk is 8 bytes and contains
3163 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3165 static int adpt_i2o_issue_params(int cmd
, adpt_hba
* pHba
, int tid
,
3166 void *opblk
, int oplen
, void *resblk
, int reslen
)
3169 u32
*res
= (u32
*)resblk
;
3172 msg
[0] = NINE_WORD_MSG_SIZE
| SGL_OFFSET_5
;
3173 msg
[1] = cmd
<< 24 | HOST_TID
<< 12 | tid
;
3177 msg
[5] = 0x54000000 | oplen
; /* OperationBlock */
3178 msg
[6] = virt_to_bus(opblk
);
3179 msg
[7] = 0xD0000000 | reslen
; /* ResultBlock */
3180 msg
[8] = virt_to_bus(resblk
);
3182 if ((wait_status
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 20))) {
3183 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk
);
3184 return wait_status
; /* -DetailedStatus */
3187 if (res
[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3188 printk(KERN_WARNING
"%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3189 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3191 (cmd
== I2O_CMD_UTIL_PARAMS_SET
) ? "PARAMS_SET"
3193 res
[1]>>24, (res
[1]>>16)&0xFF, res
[1]&0xFFFF);
3194 return -((res
[1] >> 16) & 0xFF); /* -BlockStatus */
3197 return 4 + ((res
[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3201 static s32
adpt_i2o_quiesce_hba(adpt_hba
* pHba
)
3206 adpt_i2o_status_get(pHba
);
3208 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3210 if((pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
) &&
3211 (pHba
->status_block
->iop_state
!= ADAPTER_STATE_OPERATIONAL
)){
3215 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3216 msg
[1] = I2O_CMD_SYS_QUIESCE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3220 if((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3221 printk(KERN_INFO
"dpti%d: Unable to quiesce (status=%#x).\n",
3224 printk(KERN_INFO
"dpti%d: Quiesced.\n",pHba
->unit
);
3227 adpt_i2o_status_get(pHba
);
3233 * Enable IOP. Allows the IOP to resume external operations.
3235 static int adpt_i2o_enable_hba(adpt_hba
* pHba
)
3240 adpt_i2o_status_get(pHba
);
3241 if(!pHba
->status_block
){
3244 /* Enable only allowed on READY state */
3245 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
)
3248 if(pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
)
3251 msg
[0]=FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3252 msg
[1]=I2O_CMD_SYS_ENABLE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3256 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3257 printk(KERN_WARNING
"%s: Could not enable (status=%#10x).\n",
3260 PDEBUG("%s: Enabled.\n", pHba
->name
);
3263 adpt_i2o_status_get(pHba
);
3268 static int adpt_i2o_systab_send(adpt_hba
* pHba
)
3273 msg
[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6
;
3274 msg
[1] = I2O_CMD_SYS_TAB_SET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3277 msg
[4] = (0<<16) | ((pHba
->unit
+2) << 12); /* Host 0 IOP ID (unit + 2) */
3278 msg
[5] = 0; /* Segment 0 */
3281 * Provide three SGL-elements:
3282 * System table (SysTab), Private memory space declaration and
3283 * Private i/o space declaration
3285 msg
[6] = 0x54000000 | sys_tbl_len
;
3286 msg
[7] = virt_to_phys(sys_tbl
);
3287 msg
[8] = 0x54000000 | 0;
3289 msg
[10] = 0xD4000000 | 0;
3292 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 120))) {
3293 printk(KERN_INFO
"%s: Unable to set SysTab (status=%#10x).\n",
3298 PINFO("%s: SysTab set.\n", pHba
->name
);
3306 /*============================================================================
3308 *============================================================================
3314 static static void adpt_delay(int millisec
)
3317 for (i
= 0; i
< millisec
; i
++) {
3318 udelay(1000); /* delay for one millisecond */
3324 static struct scsi_host_template driver_template
= {
3326 .proc_name
= "dpt_i2o",
3327 .proc_info
= adpt_proc_info
,
3328 .detect
= adpt_detect
,
3329 .release
= adpt_release
,
3331 .queuecommand
= adpt_queue
,
3332 .eh_abort_handler
= adpt_abort
,
3333 .eh_device_reset_handler
= adpt_device_reset
,
3334 .eh_bus_reset_handler
= adpt_bus_reset
,
3335 .eh_host_reset_handler
= adpt_reset
,
3336 .bios_param
= adpt_bios_param
,
3337 .slave_configure
= adpt_slave_configure
,
3338 .can_queue
= MAX_TO_IOP_MESSAGES
,
3341 .use_clustering
= ENABLE_CLUSTERING
,
3343 #include "scsi_module.c"
3344 MODULE_LICENSE("GPL");