1 /***************************************************************************
5 copyright : (C) 2000 by Adaptec
7 July 30, 2001 First version being submitted
8 for inclusion in the kernel. V2.4
10 See Documentation/scsi/dpti.txt for history, notes, license info
12 ***************************************************************************/
14 /***************************************************************************
16 * This program is free software; you can redistribute it and/or modify *
17 * it under the terms of the GNU General Public License as published by *
18 * the Free Software Foundation; either version 2 of the License, or *
19 * (at your option) any later version. *
21 ***************************************************************************/
22 /***************************************************************************
23 * Sat Dec 20 2003 Go Taniguchi <go@turbolinux.co.jp>
24 - Support 2.6 kernel and DMA-mapping
25 - ioctl fix for raid tools
26 - use schedule_timeout in long long loop
27 **************************************************************************/
30 /*#define UARTDELAY 1 */
32 #include <linux/module.h>
34 MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
35 MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
37 ////////////////////////////////////////////////////////////////
39 #include <linux/ioctl.h> /* For SCSI-Passthrough */
40 #include <linux/uaccess.h>
42 #include <linux/stat.h>
43 #include <linux/slab.h> /* for kmalloc() */
44 #include <linux/pci.h> /* for PCI support */
45 #include <linux/proc_fs.h>
46 #include <linux/blkdev.h>
47 #include <linux/delay.h> /* for udelay */
48 #include <linux/interrupt.h>
49 #include <linux/kernel.h> /* for printk */
50 #include <linux/sched.h>
51 #include <linux/reboot.h>
52 #include <linux/spinlock.h>
53 #include <linux/dma-mapping.h>
55 #include <linux/timer.h>
56 #include <linux/string.h>
57 #include <linux/ioport.h>
58 #include <linux/mutex.h>
60 #include <asm/processor.h> /* for boot_cpu_data */
61 #include <asm/pgtable.h>
62 #include <asm/io.h> /* for virt_to_bus, etc. */
64 #include <scsi/scsi.h>
65 #include <scsi/scsi_cmnd.h>
66 #include <scsi/scsi_device.h>
67 #include <scsi/scsi_host.h>
68 #include <scsi/scsi_tcq.h>
70 #include "dpt/dptsig.h"
73 /*============================================================================
74 * Create a binary signature - this is read by dptsig
75 * Needed for our management apps
76 *============================================================================
78 static DEFINE_MUTEX(adpt_mutex
);
79 static dpt_sig_S DPTI_sig
= {
80 {'d', 'P', 't', 'S', 'i', 'G'}, SIG_VERSION
,
82 PROC_INTEL
, PROC_386
| PROC_486
| PROC_PENTIUM
| PROC_SEXIUM
,
83 #elif defined(__ia64__)
84 PROC_INTEL
, PROC_IA64
,
85 #elif defined(__sparc__)
86 PROC_ULTRASPARC
, PROC_ULTRASPARC
,
87 #elif defined(__alpha__)
88 PROC_ALPHA
, PROC_ALPHA
,
92 FT_HBADRVR
, 0, OEM_DPT
, OS_LINUX
, CAP_OVERLAP
, DEV_ALL
,
93 ADF_ALL_SC5
, 0, 0, DPT_VERSION
, DPT_REVISION
, DPT_SUBREVISION
,
94 DPT_MONTH
, DPT_DAY
, DPT_YEAR
, "Adaptec Linux I2O RAID Driver"
100 /*============================================================================
102 *============================================================================
105 static DEFINE_MUTEX(adpt_configuration_lock
);
107 static struct i2o_sys_tbl
*sys_tbl
;
108 static dma_addr_t sys_tbl_pa
;
109 static int sys_tbl_ind
;
110 static int sys_tbl_len
;
112 static adpt_hba
* hba_chain
= NULL
;
113 static int hba_count
= 0;
115 static struct class *adpt_sysfs_class
;
117 static long adpt_unlocked_ioctl(struct file
*, unsigned int, unsigned long);
119 static long compat_adpt_ioctl(struct file
*, unsigned int, unsigned long);
122 static const struct file_operations adpt_fops
= {
123 .unlocked_ioctl
= adpt_unlocked_ioctl
,
125 .release
= adpt_close
,
127 .compat_ioctl
= compat_adpt_ioctl
,
129 .llseek
= noop_llseek
,
132 /* Structures and definitions for synchronous message posting.
133 * See adpt_i2o_post_wait() for description
135 struct adpt_i2o_post_wait_data
139 adpt_wait_queue_head_t
*wq
;
140 struct adpt_i2o_post_wait_data
*next
;
143 static struct adpt_i2o_post_wait_data
*adpt_post_wait_queue
= NULL
;
144 static u32 adpt_post_wait_id
= 0;
145 static DEFINE_SPINLOCK(adpt_post_wait_lock
);
148 /*============================================================================
150 *============================================================================
153 static inline int dpt_dma64(adpt_hba
*pHba
)
155 return (sizeof(dma_addr_t
) > 4 && (pHba
)->dma64
);
158 static inline u32
dma_high(dma_addr_t addr
)
160 return upper_32_bits(addr
);
163 static inline u32
dma_low(dma_addr_t addr
)
168 static u8
adpt_read_blink_led(adpt_hba
* host
)
170 if (host
->FwDebugBLEDflag_P
) {
171 if( readb(host
->FwDebugBLEDflag_P
) == 0xbc ){
172 return readb(host
->FwDebugBLEDvalue_P
);
178 /*============================================================================
179 * Scsi host template interface functions
180 *============================================================================
184 static struct pci_device_id dptids
[] = {
185 { PCI_DPT_VENDOR_ID
, PCI_DPT_DEVICE_ID
, PCI_ANY_ID
, PCI_ANY_ID
,},
186 { PCI_DPT_VENDOR_ID
, PCI_DPT_RAPTOR_DEVICE_ID
, PCI_ANY_ID
, PCI_ANY_ID
,},
191 MODULE_DEVICE_TABLE(pci
,dptids
);
193 static int adpt_detect(struct scsi_host_template
* sht
)
195 struct pci_dev
*pDev
= NULL
;
199 PINFO("Detecting Adaptec I2O RAID controllers...\n");
201 /* search for all Adatpec I2O RAID cards */
202 while ((pDev
= pci_get_device( PCI_DPT_VENDOR_ID
, PCI_ANY_ID
, pDev
))) {
203 if(pDev
->device
== PCI_DPT_DEVICE_ID
||
204 pDev
->device
== PCI_DPT_RAPTOR_DEVICE_ID
){
205 if(adpt_install_hba(sht
, pDev
) ){
206 PERROR("Could not Init an I2O RAID device\n");
207 PERROR("Will not try to detect others.\n");
214 /* In INIT state, Activate IOPs */
215 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
217 // Activate does get status , init outbound, and get hrt
218 if (adpt_i2o_activate_hba(pHba
) < 0) {
219 adpt_i2o_delete_hba(pHba
);
224 /* Active IOPs in HOLD state */
227 if (hba_chain
== NULL
)
231 * If build_sys_table fails, we kill everything and bail
232 * as we can't init the IOPs w/o a system table
234 if (adpt_i2o_build_sys_table() < 0) {
235 adpt_i2o_sys_shutdown();
239 PDEBUG("HBA's in HOLD state\n");
241 /* If IOP don't get online, we need to rebuild the System table */
242 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
243 if (adpt_i2o_online_hba(pHba
) < 0) {
244 adpt_i2o_delete_hba(pHba
);
245 goto rebuild_sys_tab
;
249 /* Active IOPs now in OPERATIONAL state */
250 PDEBUG("HBA's in OPERATIONAL state\n");
252 printk("dpti: If you have a lot of devices this could take a few minutes.\n");
253 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
255 printk(KERN_INFO
"%s: Reading the hardware resource table.\n", pHba
->name
);
256 if (adpt_i2o_lct_get(pHba
) < 0){
257 adpt_i2o_delete_hba(pHba
);
261 if (adpt_i2o_parse_lct(pHba
) < 0){
262 adpt_i2o_delete_hba(pHba
);
268 adpt_sysfs_class
= class_create(THIS_MODULE
, "dpt_i2o");
269 if (IS_ERR(adpt_sysfs_class
)) {
270 printk(KERN_WARNING
"dpti: unable to create dpt_i2o class\n");
271 adpt_sysfs_class
= NULL
;
274 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
276 if (adpt_scsi_host_alloc(pHba
, sht
) < 0){
277 adpt_i2o_delete_hba(pHba
);
280 pHba
->initialized
= TRUE
;
281 pHba
->state
&= ~DPTI_STATE_RESET
;
282 if (adpt_sysfs_class
) {
283 struct device
*dev
= device_create(adpt_sysfs_class
,
284 NULL
, MKDEV(DPTI_I2O_MAJOR
, pHba
->unit
), NULL
,
285 "dpti%d", pHba
->unit
);
287 printk(KERN_WARNING
"dpti%d: unable to "
288 "create device in dpt_i2o class\n",
294 // Register our control device node
295 // nodes will need to be created in /dev to access this
296 // the nodes can not be created from within the driver
297 if (hba_count
&& register_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
, &adpt_fops
)) {
298 adpt_i2o_sys_shutdown();
306 * scsi_unregister will be called AFTER we return.
308 static int adpt_release(struct Scsi_Host
*host
)
310 adpt_hba
* pHba
= (adpt_hba
*) host
->hostdata
[0];
311 // adpt_i2o_quiesce_hba(pHba);
312 adpt_i2o_delete_hba(pHba
);
313 scsi_unregister(host
);
318 static void adpt_inquiry(adpt_hba
* pHba
)
332 memset(msg
, 0, sizeof(msg
));
333 buf
= dma_alloc_coherent(&pHba
->pDev
->dev
, 80, &addr
, GFP_KERNEL
);
335 printk(KERN_ERR
"%s: Could not allocate buffer\n",pHba
->name
);
338 memset((void*)buf
, 0, 36);
341 direction
= 0x00000000;
342 scsidir
=0x40000000; // DATA IN (iop<--dev)
345 reqlen
= 17; // SINGLE SGE, 64 bit
347 reqlen
= 14; // SINGLE SGE, 32 bit
348 /* Stick the headers on */
349 msg
[0] = reqlen
<<16 | SGL_OFFSET_12
;
350 msg
[1] = (0xff<<24|HOST_TID
<<12|ADAPTER_TID
);
353 // Adaptec/DPT Private stuff
354 msg
[4] = I2O_CMD_SCSI_EXEC
|DPT_ORGANIZATION_ID
<<16;
355 msg
[5] = ADAPTER_TID
| 1<<16 /* Interpret*/;
356 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
357 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
358 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
359 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
360 msg
[6] = scsidir
|0x20a00000| 6 /* cmd len*/;
364 memset(scb
, 0, sizeof(scb
));
365 // Write SCSI command into the message - always 16 byte block
372 // Don't care about the rest of scb
374 memcpy(mptr
, scb
, sizeof(scb
));
376 lenptr
=mptr
++; /* Remember me - fill in when we know */
378 /* Now fill in the SGList and command */
380 if (dpt_dma64(pHba
)) {
381 *mptr
++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
382 *mptr
++ = 1 << PAGE_SHIFT
;
383 *mptr
++ = 0xD0000000|direction
|len
;
384 *mptr
++ = dma_low(addr
);
385 *mptr
++ = dma_high(addr
);
387 *mptr
++ = 0xD0000000|direction
|len
;
391 // Send it on it's way
392 rcode
= adpt_i2o_post_wait(pHba
, msg
, reqlen
<<2, 120);
394 sprintf(pHba
->detail
, "Adaptec I2O RAID");
395 printk(KERN_INFO
"%s: Inquiry Error (%d)\n",pHba
->name
,rcode
);
396 if (rcode
!= -ETIME
&& rcode
!= -EINTR
)
397 dma_free_coherent(&pHba
->pDev
->dev
, 80, buf
, addr
);
399 memset(pHba
->detail
, 0, sizeof(pHba
->detail
));
400 memcpy(&(pHba
->detail
), "Vendor: Adaptec ", 16);
401 memcpy(&(pHba
->detail
[16]), " Model: ", 8);
402 memcpy(&(pHba
->detail
[24]), (u8
*) &buf
[16], 16);
403 memcpy(&(pHba
->detail
[40]), " FW: ", 4);
404 memcpy(&(pHba
->detail
[44]), (u8
*) &buf
[32], 4);
405 pHba
->detail
[48] = '\0'; /* precautionary */
406 dma_free_coherent(&pHba
->pDev
->dev
, 80, buf
, addr
);
408 adpt_i2o_status_get(pHba
);
413 static int adpt_slave_configure(struct scsi_device
* device
)
415 struct Scsi_Host
*host
= device
->host
;
418 pHba
= (adpt_hba
*) host
->hostdata
[0];
420 if (host
->can_queue
&& device
->tagged_supported
) {
421 scsi_change_queue_depth(device
,
422 host
->can_queue
- 1);
427 static int adpt_queue_lck(struct scsi_cmnd
* cmd
, void (*done
) (struct scsi_cmnd
*))
429 adpt_hba
* pHba
= NULL
;
430 struct adpt_device
* pDev
= NULL
; /* dpt per device information */
432 cmd
->scsi_done
= done
;
434 * SCSI REQUEST_SENSE commands will be executed automatically by the
435 * Host Adapter for any errors, so they should not be executed
436 * explicitly unless the Sense Data is zero indicating that no error
440 if ((cmd
->cmnd
[0] == REQUEST_SENSE
) && (cmd
->sense_buffer
[0] != 0)) {
441 cmd
->result
= (DID_OK
<< 16);
446 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
452 if ((pHba
->state
) & DPTI_STATE_RESET
)
453 return SCSI_MLQUEUE_HOST_BUSY
;
455 // TODO if the cmd->device if offline then I may need to issue a bus rescan
456 // followed by a get_lct to see if the device is there anymore
457 if((pDev
= (struct adpt_device
*) (cmd
->device
->hostdata
)) == NULL
) {
459 * First command request for this device. Set up a pointer
460 * to the device structure. This should be a TEST_UNIT_READY
461 * command from scan_scsis_single.
463 if ((pDev
= adpt_find_device(pHba
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, cmd
->device
->lun
)) == NULL
) {
464 // TODO: if any luns are at this bus, scsi id then fake a TEST_UNIT_READY and INQUIRY response
465 // with type 7F (for all luns less than the max for this bus,id) so the lun scan will continue.
466 cmd
->result
= (DID_NO_CONNECT
<< 16);
470 cmd
->device
->hostdata
= pDev
;
472 pDev
->pScsi_dev
= cmd
->device
;
475 * If we are being called from when the device is being reset,
476 * delay processing of the command until later.
478 if (pDev
->state
& DPTI_DEV_RESET
) {
481 return adpt_scsi_to_i2o(pHba
, cmd
, pDev
);
484 static DEF_SCSI_QCMD(adpt_queue
)
486 static int adpt_bios_param(struct scsi_device
*sdev
, struct block_device
*dev
,
487 sector_t capacity
, int geom
[])
493 // *** First lets set the default geometry ****
495 // If the capacity is less than ox2000
496 if (capacity
< 0x2000 ) { // floppy
500 // else if between 0x2000 and 0x20000
501 else if (capacity
< 0x20000) {
505 // else if between 0x20000 and 0x40000
506 else if (capacity
< 0x40000) {
510 // else if between 0x4000 and 0x80000
511 else if (capacity
< 0x80000) {
515 // else if greater than 0x80000
520 cylinders
= sector_div(capacity
, heads
* sectors
);
522 // Special case if CDROM
523 if(sdev
->type
== 5) { // CDROM
533 PDEBUG("adpt_bios_param: exit\n");
538 static const char *adpt_info(struct Scsi_Host
*host
)
542 pHba
= (adpt_hba
*) host
->hostdata
[0];
543 return (char *) (pHba
->detail
);
546 static int adpt_show_info(struct seq_file
*m
, struct Scsi_Host
*host
)
548 struct adpt_device
* d
;
554 // Find HBA (host bus adapter) we are looking for
555 mutex_lock(&adpt_configuration_lock
);
556 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
557 if (pHba
->host
== host
) {
558 break; /* found adapter */
561 mutex_unlock(&adpt_configuration_lock
);
567 seq_printf(m
, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION
);
568 seq_printf(m
, "%s\n", pHba
->detail
);
569 seq_printf(m
, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
570 pHba
->host
->host_no
, pHba
->name
, host
->irq
);
571 seq_printf(m
, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
572 host
->can_queue
, (int) pHba
->reply_fifo_size
, host
->sg_tablesize
);
574 seq_puts(m
, "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 seq_printf(m
,"\t%-24.24s", d
->pScsi_dev
->vendor
);
580 seq_printf(m
," Rev: %-8.8s\n", d
->pScsi_dev
->rev
);
582 unit
= d
->pI2o_dev
->lct_data
.tid
;
583 seq_printf(m
, "\tTID=%d, (Channel=%d, Target=%d, Lun=%llu) (%s)\n\n",
584 unit
, (int)d
->scsi_channel
, (int)d
->scsi_id
, d
->scsi_lun
,
585 scsi_device_online(d
->pScsi_dev
)? "online":"offline");
594 * Turn a struct scsi_cmnd * into a unique 32 bit 'context'.
596 static u32
adpt_cmd_to_context(struct scsi_cmnd
*cmd
)
598 return (u32
)cmd
->serial_number
;
602 * Go from a u32 'context' to a struct scsi_cmnd * .
603 * This could probably be made more efficient.
605 static struct scsi_cmnd
*
606 adpt_cmd_from_context(adpt_hba
* pHba
, u32 context
)
608 struct scsi_cmnd
* cmd
;
609 struct scsi_device
* d
;
614 spin_unlock(pHba
->host
->host_lock
);
615 shost_for_each_device(d
, pHba
->host
) {
617 spin_lock_irqsave(&d
->list_lock
, flags
);
618 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
619 if (((u32
)cmd
->serial_number
== context
)) {
620 spin_unlock_irqrestore(&d
->list_lock
, flags
);
622 spin_lock(pHba
->host
->host_lock
);
626 spin_unlock_irqrestore(&d
->list_lock
, flags
);
628 spin_lock(pHba
->host
->host_lock
);
634 * Turn a pointer to ioctl reply data into an u32 'context'
636 static u32
adpt_ioctl_to_context(adpt_hba
* pHba
, void *reply
)
638 #if BITS_PER_LONG == 32
639 return (u32
)(unsigned long)reply
;
644 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
645 nr
= ARRAY_SIZE(pHba
->ioctl_reply_context
);
646 for (i
= 0; i
< nr
; i
++) {
647 if (pHba
->ioctl_reply_context
[i
] == NULL
) {
648 pHba
->ioctl_reply_context
[i
] = reply
;
652 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
654 printk(KERN_WARNING
"%s: Too many outstanding "
655 "ioctl commands\n", pHba
->name
);
664 * Go from an u32 'context' to a pointer to ioctl reply data.
666 static void *adpt_ioctl_from_context(adpt_hba
*pHba
, u32 context
)
668 #if BITS_PER_LONG == 32
669 return (void *)(unsigned long)context
;
671 void *p
= pHba
->ioctl_reply_context
[context
];
672 pHba
->ioctl_reply_context
[context
] = NULL
;
678 /*===========================================================================
679 * Error Handling routines
680 *===========================================================================
683 static int adpt_abort(struct scsi_cmnd
* cmd
)
685 adpt_hba
* pHba
= NULL
; /* host bus adapter structure */
686 struct adpt_device
* dptdevice
; /* dpt per device information */
690 if(cmd
->serial_number
== 0){
693 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
694 printk(KERN_INFO
"%s: Trying to Abort\n",pHba
->name
);
695 if ((dptdevice
= (void*) (cmd
->device
->hostdata
)) == NULL
) {
696 printk(KERN_ERR
"%s: Unable to abort: No device in cmnd\n",pHba
->name
);
700 memset(msg
, 0, sizeof(msg
));
701 msg
[0] = FIVE_WORD_MSG_SIZE
|SGL_OFFSET_0
;
702 msg
[1] = I2O_CMD_SCSI_ABORT
<<24|HOST_TID
<<12|dptdevice
->tid
;
705 msg
[4] = adpt_cmd_to_context(cmd
);
707 spin_lock_irq(pHba
->host
->host_lock
);
708 rcode
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), FOREVER
);
710 spin_unlock_irq(pHba
->host
->host_lock
);
712 if(rcode
== -EOPNOTSUPP
){
713 printk(KERN_INFO
"%s: Abort cmd not supported\n",pHba
->name
);
716 printk(KERN_INFO
"%s: Abort failed.\n",pHba
->name
);
719 printk(KERN_INFO
"%s: Abort complete.\n",pHba
->name
);
724 #define I2O_DEVICE_RESET 0x27
725 // This is the same for BLK and SCSI devices
726 // NOTE this is wrong in the i2o.h definitions
727 // This is not currently supported by our adapter but we issue it anyway
728 static int adpt_device_reset(struct scsi_cmnd
* cmd
)
734 struct adpt_device
* d
= cmd
->device
->hostdata
;
736 pHba
= (void*) cmd
->device
->host
->hostdata
[0];
737 printk(KERN_INFO
"%s: Trying to reset device\n",pHba
->name
);
739 printk(KERN_INFO
"%s: Reset Device: Device Not found\n",pHba
->name
);
742 memset(msg
, 0, sizeof(msg
));
743 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
744 msg
[1] = (I2O_DEVICE_RESET
<<24|HOST_TID
<<12|d
->tid
);
749 spin_lock_irq(pHba
->host
->host_lock
);
750 old_state
= d
->state
;
751 d
->state
|= DPTI_DEV_RESET
;
752 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
753 d
->state
= old_state
;
755 spin_unlock_irq(pHba
->host
->host_lock
);
757 if(rcode
== -EOPNOTSUPP
){
758 printk(KERN_INFO
"%s: Device reset not supported\n",pHba
->name
);
761 printk(KERN_INFO
"%s: Device reset failed\n",pHba
->name
);
764 printk(KERN_INFO
"%s: Device reset successful\n",pHba
->name
);
770 #define I2O_HBA_BUS_RESET 0x87
771 // This version of bus reset is called by the eh_error handler
772 static int adpt_bus_reset(struct scsi_cmnd
* cmd
)
778 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
779 memset(msg
, 0, sizeof(msg
));
780 printk(KERN_WARNING
"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba
->name
, cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
781 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
782 msg
[1] = (I2O_HBA_BUS_RESET
<<24|HOST_TID
<<12|pHba
->channel
[cmd
->device
->channel
].tid
);
786 spin_lock_irq(pHba
->host
->host_lock
);
787 rcode
= adpt_i2o_post_wait(pHba
, msg
,sizeof(msg
), FOREVER
);
789 spin_unlock_irq(pHba
->host
->host_lock
);
791 printk(KERN_WARNING
"%s: Bus reset failed.\n",pHba
->name
);
794 printk(KERN_WARNING
"%s: Bus reset success.\n",pHba
->name
);
799 // This version of reset is called by the eh_error_handler
800 static int __adpt_reset(struct scsi_cmnd
* cmd
)
804 pHba
= (adpt_hba
*)cmd
->device
->host
->hostdata
[0];
805 printk(KERN_WARNING
"%s: Hba Reset: scsi id %d: tid: %d\n",pHba
->name
,cmd
->device
->channel
,pHba
->channel
[cmd
->device
->channel
].tid
);
806 rcode
= adpt_hba_reset(pHba
);
808 printk(KERN_WARNING
"%s: HBA reset complete\n",pHba
->name
);
811 printk(KERN_WARNING
"%s: HBA reset failed (%x)\n",pHba
->name
, rcode
);
816 static int adpt_reset(struct scsi_cmnd
* cmd
)
820 spin_lock_irq(cmd
->device
->host
->host_lock
);
821 rc
= __adpt_reset(cmd
);
822 spin_unlock_irq(cmd
->device
->host
->host_lock
);
827 // This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
828 static int adpt_hba_reset(adpt_hba
* pHba
)
832 pHba
->state
|= DPTI_STATE_RESET
;
834 // Activate does get status , init outbound, and get hrt
835 if ((rcode
=adpt_i2o_activate_hba(pHba
)) < 0) {
836 printk(KERN_ERR
"%s: Could not activate\n", pHba
->name
);
837 adpt_i2o_delete_hba(pHba
);
841 if ((rcode
=adpt_i2o_build_sys_table()) < 0) {
842 adpt_i2o_delete_hba(pHba
);
845 PDEBUG("%s: in HOLD state\n",pHba
->name
);
847 if ((rcode
=adpt_i2o_online_hba(pHba
)) < 0) {
848 adpt_i2o_delete_hba(pHba
);
851 PDEBUG("%s: in OPERATIONAL state\n",pHba
->name
);
853 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0){
854 adpt_i2o_delete_hba(pHba
);
858 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0){
859 adpt_i2o_delete_hba(pHba
);
862 pHba
->state
&= ~DPTI_STATE_RESET
;
864 adpt_fail_posted_scbs(pHba
);
865 return 0; /* return success */
868 /*===========================================================================
870 *===========================================================================
874 static void adpt_i2o_sys_shutdown(void)
876 adpt_hba
*pHba
, *pNext
;
877 struct adpt_i2o_post_wait_data
*p1
, *old
;
879 printk(KERN_INFO
"Shutting down Adaptec I2O controllers.\n");
880 printk(KERN_INFO
" This could take a few minutes if there are many devices attached\n");
881 /* Delete all IOPs from the controller chain */
882 /* They should have already been released by the
885 for (pHba
= hba_chain
; pHba
; pHba
= pNext
) {
887 adpt_i2o_delete_hba(pHba
);
890 /* Remove any timedout entries from the wait queue. */
891 // spin_lock_irqsave(&adpt_post_wait_lock, flags);
892 /* Nothing should be outstanding at this point so just
895 for(p1
= adpt_post_wait_queue
; p1
;) {
900 // spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
901 adpt_post_wait_queue
= NULL
;
903 printk(KERN_INFO
"Adaptec I2O controllers down.\n");
906 static int adpt_install_hba(struct scsi_host_template
* sht
, struct pci_dev
* pDev
)
909 adpt_hba
* pHba
= NULL
;
911 ulong base_addr0_phys
= 0;
912 ulong base_addr1_phys
= 0;
913 u32 hba_map0_area_size
= 0;
914 u32 hba_map1_area_size
= 0;
915 void __iomem
*base_addr_virt
= NULL
;
916 void __iomem
*msg_addr_virt
= NULL
;
919 int raptorFlag
= FALSE
;
921 if(pci_enable_device(pDev
)) {
925 if (pci_request_regions(pDev
, "dpt_i2o")) {
926 PERROR("dpti: adpt_config_hba: pci request region failed\n");
930 pci_set_master(pDev
);
933 * See if we should enable dma64 mode.
935 if (sizeof(dma_addr_t
) > 4 &&
936 pci_set_dma_mask(pDev
, DMA_BIT_MASK(64)) == 0) {
937 if (dma_get_required_mask(&pDev
->dev
) > DMA_BIT_MASK(32))
940 if (!dma64
&& pci_set_dma_mask(pDev
, DMA_BIT_MASK(32)) != 0)
943 /* adapter only supports message blocks below 4GB */
944 pci_set_consistent_dma_mask(pDev
, DMA_BIT_MASK(32));
946 base_addr0_phys
= pci_resource_start(pDev
,0);
947 hba_map0_area_size
= pci_resource_len(pDev
,0);
949 // Check if standard PCI card or single BAR Raptor
950 if(pDev
->device
== PCI_DPT_DEVICE_ID
){
951 if(pDev
->subsystem_device
>=0xc032 && pDev
->subsystem_device
<= 0xc03b){
952 // Raptor card with this device id needs 4M
953 hba_map0_area_size
= 0x400000;
954 } else { // Not Raptor - it is a PCI card
955 if(hba_map0_area_size
> 0x100000 ){
956 hba_map0_area_size
= 0x100000;
959 } else {// Raptor split BAR config
960 // Use BAR1 in this configuration
961 base_addr1_phys
= pci_resource_start(pDev
,1);
962 hba_map1_area_size
= pci_resource_len(pDev
,1);
966 #if BITS_PER_LONG == 64
968 * The original Adaptec 64 bit driver has this comment here:
969 * "x86_64 machines need more optimal mappings"
971 * I assume some HBAs report ridiculously large mappings
972 * and we need to limit them on platforms with IOMMUs.
974 if (raptorFlag
== TRUE
) {
975 if (hba_map0_area_size
> 128)
976 hba_map0_area_size
= 128;
977 if (hba_map1_area_size
> 524288)
978 hba_map1_area_size
= 524288;
980 if (hba_map0_area_size
> 524288)
981 hba_map0_area_size
= 524288;
985 base_addr_virt
= ioremap(base_addr0_phys
,hba_map0_area_size
);
986 if (!base_addr_virt
) {
987 pci_release_regions(pDev
);
988 PERROR("dpti: adpt_config_hba: io remap failed\n");
992 if(raptorFlag
== TRUE
) {
993 msg_addr_virt
= ioremap(base_addr1_phys
, hba_map1_area_size
);
994 if (!msg_addr_virt
) {
995 PERROR("dpti: adpt_config_hba: io remap failed on BAR1\n");
996 iounmap(base_addr_virt
);
997 pci_release_regions(pDev
);
1001 msg_addr_virt
= base_addr_virt
;
1004 // Allocate and zero the data structure
1005 pHba
= kzalloc(sizeof(adpt_hba
), GFP_KERNEL
);
1007 if (msg_addr_virt
!= base_addr_virt
)
1008 iounmap(msg_addr_virt
);
1009 iounmap(base_addr_virt
);
1010 pci_release_regions(pDev
);
1014 mutex_lock(&adpt_configuration_lock
);
1016 if(hba_chain
!= NULL
){
1017 for(p
= hba_chain
; p
->next
; p
= p
->next
);
1023 pHba
->unit
= hba_count
;
1024 sprintf(pHba
->name
, "dpti%d", hba_count
);
1027 mutex_unlock(&adpt_configuration_lock
);
1030 pHba
->base_addr_phys
= base_addr0_phys
;
1032 // Set up the Virtual Base Address of the I2O Device
1033 pHba
->base_addr_virt
= base_addr_virt
;
1034 pHba
->msg_addr_virt
= msg_addr_virt
;
1035 pHba
->irq_mask
= base_addr_virt
+0x30;
1036 pHba
->post_port
= base_addr_virt
+0x40;
1037 pHba
->reply_port
= base_addr_virt
+0x44;
1042 pHba
->status_block
= NULL
;
1043 pHba
->post_count
= 0;
1044 pHba
->state
= DPTI_STATE_RESET
;
1046 pHba
->devices
= NULL
;
1047 pHba
->dma64
= dma64
;
1049 // Initializing the spinlocks
1050 spin_lock_init(&pHba
->state_lock
);
1051 spin_lock_init(&adpt_post_wait_lock
);
1053 if(raptorFlag
== 0){
1054 printk(KERN_INFO
"Adaptec I2O RAID controller"
1055 " %d at %p size=%x irq=%d%s\n",
1056 hba_count
-1, base_addr_virt
,
1057 hba_map0_area_size
, pDev
->irq
,
1058 dma64
? " (64-bit DMA)" : "");
1060 printk(KERN_INFO
"Adaptec I2O RAID controller %d irq=%d%s\n",
1061 hba_count
-1, pDev
->irq
,
1062 dma64
? " (64-bit DMA)" : "");
1063 printk(KERN_INFO
" BAR0 %p - size= %x\n",base_addr_virt
,hba_map0_area_size
);
1064 printk(KERN_INFO
" BAR1 %p - size= %x\n",msg_addr_virt
,hba_map1_area_size
);
1067 if (request_irq (pDev
->irq
, adpt_isr
, IRQF_SHARED
, pHba
->name
, pHba
)) {
1068 printk(KERN_ERR
"%s: Couldn't register IRQ %d\n", pHba
->name
, pDev
->irq
);
1069 adpt_i2o_delete_hba(pHba
);
1077 static void adpt_i2o_delete_hba(adpt_hba
* pHba
)
1081 struct i2o_device
* d
;
1082 struct i2o_device
* next
;
1085 struct adpt_device
* pDev
;
1086 struct adpt_device
* pNext
;
1089 mutex_lock(&adpt_configuration_lock
);
1090 // scsi_unregister calls our adpt_release which
1093 free_irq(pHba
->host
->irq
, pHba
);
1096 for( p1
= hba_chain
; p1
; p2
= p1
,p1
=p1
->next
){
1099 p2
->next
= p1
->next
;
1101 hba_chain
= p1
->next
;
1108 mutex_unlock(&adpt_configuration_lock
);
1110 iounmap(pHba
->base_addr_virt
);
1111 pci_release_regions(pHba
->pDev
);
1112 if(pHba
->msg_addr_virt
!= pHba
->base_addr_virt
){
1113 iounmap(pHba
->msg_addr_virt
);
1115 if(pHba
->FwDebugBuffer_P
)
1116 iounmap(pHba
->FwDebugBuffer_P
);
1118 dma_free_coherent(&pHba
->pDev
->dev
,
1119 pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2,
1120 pHba
->hrt
, pHba
->hrt_pa
);
1123 dma_free_coherent(&pHba
->pDev
->dev
, pHba
->lct_size
,
1124 pHba
->lct
, pHba
->lct_pa
);
1126 if(pHba
->status_block
) {
1127 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(i2o_status_block
),
1128 pHba
->status_block
, pHba
->status_block_pa
);
1130 if(pHba
->reply_pool
) {
1131 dma_free_coherent(&pHba
->pDev
->dev
,
1132 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
1133 pHba
->reply_pool
, pHba
->reply_pool_pa
);
1136 for(d
= pHba
->devices
; d
; d
= next
){
1140 for(i
= 0 ; i
< pHba
->top_scsi_channel
; i
++){
1141 for(j
= 0; j
< MAX_ID
; j
++){
1142 if(pHba
->channel
[i
].device
[j
] != NULL
){
1143 for(pDev
= pHba
->channel
[i
].device
[j
]; pDev
; pDev
= pNext
){
1144 pNext
= pDev
->next_lun
;
1150 pci_dev_put(pHba
->pDev
);
1151 if (adpt_sysfs_class
)
1152 device_destroy(adpt_sysfs_class
,
1153 MKDEV(DPTI_I2O_MAJOR
, pHba
->unit
));
1157 unregister_chrdev(DPTI_I2O_MAJOR
, DPT_DRIVER
);
1158 if (adpt_sysfs_class
) {
1159 class_destroy(adpt_sysfs_class
);
1160 adpt_sysfs_class
= NULL
;
1165 static struct adpt_device
* adpt_find_device(adpt_hba
* pHba
, u32 chan
, u32 id
, u64 lun
)
1167 struct adpt_device
* d
;
1169 if(chan
< 0 || chan
>= MAX_CHANNEL
)
1172 if( pHba
->channel
[chan
].device
== NULL
){
1173 printk(KERN_DEBUG
"Adaptec I2O RAID: Trying to find device before they are allocated\n");
1177 d
= pHba
->channel
[chan
].device
[id
];
1178 if(!d
|| d
->tid
== 0) {
1182 /* If it is the only lun at that address then this should match*/
1183 if(d
->scsi_lun
== lun
){
1187 /* else we need to look through all the luns */
1188 for(d
=d
->next_lun
; d
; d
= d
->next_lun
){
1189 if(d
->scsi_lun
== lun
){
1197 static int adpt_i2o_post_wait(adpt_hba
* pHba
, u32
* msg
, int len
, int timeout
)
1199 // I used my own version of the WAIT_QUEUE_HEAD
1200 // to handle some version differences
1201 // When embedded in the kernel this could go back to the vanilla one
1202 ADPT_DECLARE_WAIT_QUEUE_HEAD(adpt_wq_i2o_post
);
1205 struct adpt_i2o_post_wait_data
*p1
, *p2
;
1206 struct adpt_i2o_post_wait_data
*wait_data
=
1207 kmalloc(sizeof(struct adpt_i2o_post_wait_data
), GFP_ATOMIC
);
1208 DECLARE_WAITQUEUE(wait
, current
);
1214 * The spin locking is needed to keep anyone from playing
1215 * with the queue pointers and id while we do the same
1217 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1218 // TODO we need a MORE unique way of getting ids
1219 // to support async LCT get
1220 wait_data
->next
= adpt_post_wait_queue
;
1221 adpt_post_wait_queue
= wait_data
;
1222 adpt_post_wait_id
++;
1223 adpt_post_wait_id
&= 0x7fff;
1224 wait_data
->id
= adpt_post_wait_id
;
1225 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1227 wait_data
->wq
= &adpt_wq_i2o_post
;
1228 wait_data
->status
= -ETIMEDOUT
;
1230 add_wait_queue(&adpt_wq_i2o_post
, &wait
);
1232 msg
[2] |= 0x80000000 | ((u32
)wait_data
->id
);
1234 if((status
= adpt_i2o_post_this(pHba
, msg
, len
)) == 0){
1235 set_current_state(TASK_INTERRUPTIBLE
);
1237 spin_unlock_irq(pHba
->host
->host_lock
);
1241 timeout
= schedule_timeout(timeout
);
1243 // I/O issued, but cannot get result in
1244 // specified time. Freeing resorces is
1250 spin_lock_irq(pHba
->host
->host_lock
);
1252 remove_wait_queue(&adpt_wq_i2o_post
, &wait
);
1254 if(status
== -ETIMEDOUT
){
1255 printk(KERN_INFO
"dpti%d: POST WAIT TIMEOUT\n",pHba
->unit
);
1256 // We will have to free the wait_data memory during shutdown
1260 /* Remove the entry from the queue. */
1262 spin_lock_irqsave(&adpt_post_wait_lock
, flags
);
1263 for(p1
= adpt_post_wait_queue
; p1
; p2
= p1
, p1
= p1
->next
) {
1264 if(p1
== wait_data
) {
1265 if(p1
->status
== I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION
) {
1266 status
= -EOPNOTSUPP
;
1269 p2
->next
= p1
->next
;
1271 adpt_post_wait_queue
= p1
->next
;
1276 spin_unlock_irqrestore(&adpt_post_wait_lock
, flags
);
1284 static s32
adpt_i2o_post_this(adpt_hba
* pHba
, u32
* data
, int len
)
1287 u32 m
= EMPTY_QUEUE
;
1289 ulong timeout
= jiffies
+ 30*HZ
;
1292 m
= readl(pHba
->post_port
);
1293 if (m
!= EMPTY_QUEUE
) {
1296 if(time_after(jiffies
,timeout
)){
1297 printk(KERN_WARNING
"dpti%d: Timeout waiting for message frame!\n", pHba
->unit
);
1300 schedule_timeout_uninterruptible(1);
1301 } while(m
== EMPTY_QUEUE
);
1303 msg
= pHba
->msg_addr_virt
+ m
;
1304 memcpy_toio(msg
, data
, len
);
1308 writel(m
, pHba
->post_port
);
1315 static void adpt_i2o_post_wait_complete(u32 context
, int status
)
1317 struct adpt_i2o_post_wait_data
*p1
= NULL
;
1319 * We need to search through the adpt_post_wait
1320 * queue to see if the given message is still
1321 * outstanding. If not, it means that the IOP
1322 * took longer to respond to the message than we
1323 * had allowed and timer has already expired.
1324 * Not much we can do about that except log
1325 * it for debug purposes, increase timeout, and recompile
1327 * Lock needed to keep anyone from moving queue pointers
1328 * around while we're looking through them.
1333 spin_lock(&adpt_post_wait_lock
);
1334 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1335 if(p1
->id
== context
) {
1336 p1
->status
= status
;
1337 spin_unlock(&adpt_post_wait_lock
);
1338 wake_up_interruptible(p1
->wq
);
1342 spin_unlock(&adpt_post_wait_lock
);
1343 // If this happens we lose commands that probably really completed
1344 printk(KERN_DEBUG
"dpti: Could Not find task %d in wait queue\n",context
);
1345 printk(KERN_DEBUG
" Tasks in wait queue:\n");
1346 for(p1
= adpt_post_wait_queue
; p1
; p1
= p1
->next
) {
1347 printk(KERN_DEBUG
" %d\n",p1
->id
);
1352 static s32
adpt_i2o_reset_hba(adpt_hba
* pHba
)
1357 u32 m
= EMPTY_QUEUE
;
1358 ulong timeout
= jiffies
+ (TMOUT_IOPRESET
*HZ
);
1360 if(pHba
->initialized
== FALSE
) { // First time reset should be quick
1361 timeout
= jiffies
+ (25*HZ
);
1363 adpt_i2o_quiesce_hba(pHba
);
1368 m
= readl(pHba
->post_port
);
1369 if (m
!= EMPTY_QUEUE
) {
1372 if(time_after(jiffies
,timeout
)){
1373 printk(KERN_WARNING
"Timeout waiting for message!\n");
1376 schedule_timeout_uninterruptible(1);
1377 } while (m
== EMPTY_QUEUE
);
1379 status
= dma_alloc_coherent(&pHba
->pDev
->dev
, 4, &addr
, GFP_KERNEL
);
1380 if(status
== NULL
) {
1381 adpt_send_nop(pHba
, m
);
1382 printk(KERN_ERR
"IOP reset failed - no free memory.\n");
1387 msg
[0]=EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_0
;
1388 msg
[1]=I2O_CMD_ADAPTER_RESET
<<24|HOST_TID
<<12|ADAPTER_TID
;
1393 msg
[6]=dma_low(addr
);
1394 msg
[7]=dma_high(addr
);
1396 memcpy_toio(pHba
->msg_addr_virt
+m
, msg
, sizeof(msg
));
1398 writel(m
, pHba
->post_port
);
1401 while(*status
== 0){
1402 if(time_after(jiffies
,timeout
)){
1403 printk(KERN_WARNING
"%s: IOP Reset Timeout\n",pHba
->name
);
1404 /* We lose 4 bytes of "status" here, but we cannot
1405 free these because controller may awake and corrupt
1406 those bytes at any time */
1407 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1411 schedule_timeout_uninterruptible(1);
1414 if(*status
== 0x01 /*I2O_EXEC_IOP_RESET_IN_PROGRESS*/) {
1415 PDEBUG("%s: Reset in progress...\n", pHba
->name
);
1416 // Here we wait for message frame to become available
1417 // indicated that reset has finished
1420 m
= readl(pHba
->post_port
);
1421 if (m
!= EMPTY_QUEUE
) {
1424 if(time_after(jiffies
,timeout
)){
1425 printk(KERN_ERR
"%s:Timeout waiting for IOP Reset.\n",pHba
->name
);
1426 /* We lose 4 bytes of "status" here, but we
1427 cannot free these because controller may
1428 awake and corrupt those bytes at any time */
1429 /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
1432 schedule_timeout_uninterruptible(1);
1433 } while (m
== EMPTY_QUEUE
);
1435 adpt_send_nop(pHba
, m
);
1437 adpt_i2o_status_get(pHba
);
1438 if(*status
== 0x02 ||
1439 pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
1440 printk(KERN_WARNING
"%s: Reset reject, trying to clear\n",
1443 PDEBUG("%s: Reset completed.\n", pHba
->name
);
1446 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
1448 // This delay is to allow someone attached to the card through the debug UART to
1449 // set up the dump levels that they want before the rest of the initialization sequence
1456 static int adpt_i2o_parse_lct(adpt_hba
* pHba
)
1461 struct i2o_device
*d
;
1462 i2o_lct
*lct
= pHba
->lct
;
1466 u32 buf
[10]; // larger than 7, or 8 ...
1467 struct adpt_device
* pDev
;
1470 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
1474 max
= lct
->table_size
;
1478 for(i
=0;i
<max
;i
++) {
1479 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
1481 * If we have hidden devices, we need to inform the upper layers about
1482 * the possible maximum id reference to handle device access when
1483 * an array is disassembled. This code has no other purpose but to
1484 * allow us future access to devices that are currently hidden
1485 * behind arrays, hotspares or have not been configured (JBOD mode).
1487 if( lct
->lct_entry
[i
].class_id
!= I2O_CLASS_RANDOM_BLOCK_STORAGE
&&
1488 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_SCSI_PERIPHERAL
&&
1489 lct
->lct_entry
[i
].class_id
!= I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1492 tid
= lct
->lct_entry
[i
].tid
;
1493 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1494 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
1497 bus_no
= buf
[0]>>16;
1499 scsi_lun
= scsilun_to_int((struct scsi_lun
*)&buf
[2]);
1500 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1501 printk(KERN_WARNING
"%s: Channel number %d out of range \n", pHba
->name
, bus_no
);
1504 if (scsi_id
>= MAX_ID
){
1505 printk(KERN_WARNING
"%s: SCSI ID %d out of range \n", pHba
->name
, bus_no
);
1508 if(bus_no
> pHba
->top_scsi_channel
){
1509 pHba
->top_scsi_channel
= bus_no
;
1511 if(scsi_id
> pHba
->top_scsi_id
){
1512 pHba
->top_scsi_id
= scsi_id
;
1514 if(scsi_lun
> pHba
->top_scsi_lun
){
1515 pHba
->top_scsi_lun
= scsi_lun
;
1519 d
= kmalloc(sizeof(struct i2o_device
), GFP_KERNEL
);
1522 printk(KERN_CRIT
"%s: Out of memory for I2O device data.\n",pHba
->name
);
1526 d
->controller
= pHba
;
1529 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
1532 tid
= d
->lct_data
.tid
;
1533 adpt_i2o_report_hba_unit(pHba
, d
);
1534 adpt_i2o_install_device(pHba
, d
);
1537 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1538 if(d
->lct_data
.class_id
== I2O_CLASS_BUS_ADAPTER_PORT
||
1539 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PORT
){
1540 tid
= d
->lct_data
.tid
;
1541 // TODO get the bus_no from hrt-but for now they are in order
1543 if(bus_no
> pHba
->top_scsi_channel
){
1544 pHba
->top_scsi_channel
= bus_no
;
1546 pHba
->channel
[bus_no
].type
= d
->lct_data
.class_id
;
1547 pHba
->channel
[bus_no
].tid
= tid
;
1548 if(adpt_i2o_query_scalar(pHba
, tid
, 0x0200, -1, buf
, 28)>=0)
1550 pHba
->channel
[bus_no
].scsi_id
= buf
[1];
1551 PDEBUG("Bus %d - SCSI ID %d.\n", bus_no
, buf
[1]);
1553 // TODO remove - this is just until we get from hrt
1555 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1556 printk(KERN_WARNING
"%s: Channel number %d out of range - LCT\n", pHba
->name
, bus_no
);
1562 // Setup adpt_device table
1563 for(d
= pHba
->devices
; d
; d
= d
->next
) {
1564 if(d
->lct_data
.class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
1565 d
->lct_data
.class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
1566 d
->lct_data
.class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
1568 tid
= d
->lct_data
.tid
;
1570 // I2O_DPT_DEVICE_INFO_GROUP_NO;
1571 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)>=0) {
1572 bus_no
= buf
[0]>>16;
1574 scsi_lun
= scsilun_to_int((struct scsi_lun
*)&buf
[2]);
1575 if(bus_no
>= MAX_CHANNEL
) { // Something wrong skip it
1578 if (scsi_id
>= MAX_ID
) {
1581 if( pHba
->channel
[bus_no
].device
[scsi_id
] == NULL
){
1582 pDev
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1586 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
1588 for( pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
1589 pDev
->next_lun
; pDev
= pDev
->next_lun
){
1591 pDev
->next_lun
= kzalloc(sizeof(struct adpt_device
),GFP_KERNEL
);
1592 if(pDev
->next_lun
== NULL
) {
1595 pDev
= pDev
->next_lun
;
1598 pDev
->scsi_channel
= bus_no
;
1599 pDev
->scsi_id
= scsi_id
;
1600 pDev
->scsi_lun
= scsi_lun
;
1603 pDev
->type
= (buf
[0])&0xff;
1604 pDev
->flags
= (buf
[0]>>8)&0xff;
1605 if(scsi_id
> pHba
->top_scsi_id
){
1606 pHba
->top_scsi_id
= scsi_id
;
1608 if(scsi_lun
> pHba
->top_scsi_lun
){
1609 pHba
->top_scsi_lun
= scsi_lun
;
1613 printk(KERN_WARNING
"Could not find SCSI ID for %s\n",
1614 d
->lct_data
.identity_tag
);
1623 * Each I2O controller has a chain of devices on it - these match
1624 * the useful parts of the LCT of the board.
1627 static int adpt_i2o_install_device(adpt_hba
* pHba
, struct i2o_device
*d
)
1629 mutex_lock(&adpt_configuration_lock
);
1632 d
->next
=pHba
->devices
;
1634 if (pHba
->devices
!= NULL
){
1635 pHba
->devices
->prev
=d
;
1640 mutex_unlock(&adpt_configuration_lock
);
1644 static int adpt_open(struct inode
*inode
, struct file
*file
)
1649 mutex_lock(&adpt_mutex
);
1650 //TODO check for root access
1652 minor
= iminor(inode
);
1653 if (minor
>= hba_count
) {
1654 mutex_unlock(&adpt_mutex
);
1657 mutex_lock(&adpt_configuration_lock
);
1658 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1659 if (pHba
->unit
== minor
) {
1660 break; /* found adapter */
1664 mutex_unlock(&adpt_configuration_lock
);
1665 mutex_unlock(&adpt_mutex
);
1669 // if(pHba->in_use){
1670 // mutex_unlock(&adpt_configuration_lock);
1675 mutex_unlock(&adpt_configuration_lock
);
1676 mutex_unlock(&adpt_mutex
);
1681 static int adpt_close(struct inode
*inode
, struct file
*file
)
1686 minor
= iminor(inode
);
1687 if (minor
>= hba_count
) {
1690 mutex_lock(&adpt_configuration_lock
);
1691 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
1692 if (pHba
->unit
== minor
) {
1693 break; /* found adapter */
1696 mutex_unlock(&adpt_configuration_lock
);
1707 static int adpt_i2o_passthru(adpt_hba
* pHba
, u32 __user
*arg
)
1709 u32 msg
[MAX_MESSAGE_SIZE
];
1713 u32 __user
*user_msg
= arg
;
1714 u32 __user
* user_reply
= NULL
;
1715 void *sg_list
[pHba
->sg_tablesize
];
1725 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1726 // get user msg size in u32s
1727 if(get_user(size
, &user_msg
[0])){
1732 user_reply
= &user_msg
[size
];
1733 if(size
> MAX_MESSAGE_SIZE
){
1736 size
*= 4; // Convert to bytes
1738 /* Copy in the user's I2O command */
1739 if(copy_from_user(msg
, user_msg
, size
)) {
1742 get_user(reply_size
, &user_reply
[0]);
1743 reply_size
= reply_size
>>16;
1744 if(reply_size
> REPLY_FRAME_SIZE
){
1745 reply_size
= REPLY_FRAME_SIZE
;
1748 reply
= kzalloc(REPLY_FRAME_SIZE
*4, GFP_KERNEL
);
1750 printk(KERN_WARNING
"%s: Could not allocate reply buffer\n",pHba
->name
);
1753 sg_offset
= (msg
[0]>>4)&0xf;
1754 msg
[2] = 0x40000000; // IOCTL context
1755 msg
[3] = adpt_ioctl_to_context(pHba
, reply
);
1756 if (msg
[3] == (u32
)-1) {
1761 memset(sg_list
,0, sizeof(sg_list
[0])*pHba
->sg_tablesize
);
1763 // TODO add 64 bit API
1764 struct sg_simple_element
*sg
= (struct sg_simple_element
*) (msg
+sg_offset
);
1765 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1766 if (sg_count
> pHba
->sg_tablesize
){
1767 printk(KERN_DEBUG
"%s:IOCTL SG List too large (%u)\n", pHba
->name
,sg_count
);
1772 for(i
= 0; i
< sg_count
; i
++) {
1775 if (!(sg
[i
].flag_count
& 0x10000000 /*I2O_SGL_FLAGS_SIMPLE_ADDRESS_ELEMENT*/)) {
1776 printk(KERN_DEBUG
"%s:Bad SG element %d - not simple (%x)\n",pHba
->name
,i
, sg
[i
].flag_count
);
1780 sg_size
= sg
[i
].flag_count
& 0xffffff;
1781 /* Allocate memory for the transfer */
1782 p
= dma_alloc_coherent(&pHba
->pDev
->dev
, sg_size
, &addr
, GFP_KERNEL
);
1784 printk(KERN_DEBUG
"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
1785 pHba
->name
,sg_size
,i
,sg_count
);
1789 sg_list
[sg_index
++] = p
; // sglist indexed with input frame, not our internal frame.
1790 /* Copy in the user's SG buffer if necessary */
1791 if(sg
[i
].flag_count
& 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
1792 // sg_simple_element API is 32 bit
1793 if (copy_from_user(p
,(void __user
*)(ulong
)sg
[i
].addr_bus
, sg_size
)) {
1794 printk(KERN_DEBUG
"%s: Could not copy SG buf %d FROM user\n",pHba
->name
,i
);
1799 /* sg_simple_element API is 32 bit, but addr < 4GB */
1800 sg
[i
].addr_bus
= addr
;
1806 * Stop any new commands from enterring the
1807 * controller while processing the ioctl
1810 scsi_block_requests(pHba
->host
);
1811 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
1813 rcode
= adpt_i2o_post_wait(pHba
, msg
, size
, FOREVER
);
1815 printk("adpt_i2o_passthru: post wait failed %d %p\n",
1818 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
1819 scsi_unblock_requests(pHba
->host
);
1821 } while (rcode
== -ETIMEDOUT
);
1828 /* Copy back the Scatter Gather buffers back to user space */
1830 // TODO add 64 bit API
1831 struct sg_simple_element
* sg
;
1834 // re-acquire the original message to handle correctly the sg copy operation
1835 memset(&msg
, 0, MAX_MESSAGE_SIZE
*4);
1836 // get user msg size in u32s
1837 if(get_user(size
, &user_msg
[0])){
1843 if (size
> MAX_MESSAGE_SIZE
) {
1847 /* Copy in the user's I2O command */
1848 if (copy_from_user (msg
, user_msg
, size
)) {
1852 sg_count
= (size
- sg_offset
*4) / sizeof(struct sg_simple_element
);
1854 // TODO add 64 bit API
1855 sg
= (struct sg_simple_element
*)(msg
+ sg_offset
);
1856 for (j
= 0; j
< sg_count
; j
++) {
1857 /* Copy out the SG list to user's buffer if necessary */
1858 if(! (sg
[j
].flag_count
& 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
1859 sg_size
= sg
[j
].flag_count
& 0xffffff;
1860 // sg_simple_element API is 32 bit
1861 if (copy_to_user((void __user
*)(ulong
)sg
[j
].addr_bus
,sg_list
[j
], sg_size
)) {
1862 printk(KERN_WARNING
"%s: Could not copy %p TO user %x\n",pHba
->name
, sg_list
[j
], sg
[j
].addr_bus
);
1870 /* Copy back the reply to user space */
1872 // we wrote our own values for context - now restore the user supplied ones
1873 if(copy_from_user(reply
+2, user_msg
+2, sizeof(u32
)*2)) {
1874 printk(KERN_WARNING
"%s: Could not copy message context FROM user\n",pHba
->name
);
1877 if(copy_to_user(user_reply
, reply
, reply_size
)) {
1878 printk(KERN_WARNING
"%s: Could not copy reply TO user\n",pHba
->name
);
1885 if (rcode
!= -ETIME
&& rcode
!= -EINTR
) {
1886 struct sg_simple_element
*sg
=
1887 (struct sg_simple_element
*) (msg
+sg_offset
);
1890 if(sg_list
[--sg_index
]) {
1891 dma_free_coherent(&pHba
->pDev
->dev
,
1892 sg
[sg_index
].flag_count
& 0xffffff,
1894 sg
[sg_index
].addr_bus
);
1901 #if defined __ia64__
1902 static void adpt_ia64_info(sysInfo_S
* si
)
1904 // This is all the info we need for now
1905 // We will add more info as our new
1906 // managmenent utility requires it
1907 si
->processorType
= PROC_IA64
;
1911 #if defined __sparc__
1912 static void adpt_sparc_info(sysInfo_S
* si
)
1914 // This is all the info we need for now
1915 // We will add more info as our new
1916 // managmenent utility requires it
1917 si
->processorType
= PROC_ULTRASPARC
;
1920 #if defined __alpha__
1921 static void adpt_alpha_info(sysInfo_S
* si
)
1923 // This is all the info we need for now
1924 // We will add more info as our new
1925 // managmenent utility requires it
1926 si
->processorType
= PROC_ALPHA
;
1930 #if defined __i386__
1932 #include <uapi/asm/vm86.h>
1934 static void adpt_i386_info(sysInfo_S
* si
)
1936 // This is all the info we need for now
1937 // We will add more info as our new
1938 // managmenent utility requires it
1939 switch (boot_cpu_data
.x86
) {
1941 si
->processorType
= PROC_386
;
1944 si
->processorType
= PROC_486
;
1947 si
->processorType
= PROC_PENTIUM
;
1949 default: // Just in case
1950 si
->processorType
= PROC_PENTIUM
;
1957 * This routine returns information about the system. This does not effect
1958 * any logic and if the info is wrong - it doesn't matter.
1961 /* Get all the info we can not get from kernel services */
1962 static int adpt_system_info(void __user
*buffer
)
1966 memset(&si
, 0, sizeof(si
));
1968 si
.osType
= OS_LINUX
;
1969 si
.osMajorVersion
= 0;
1970 si
.osMinorVersion
= 0;
1972 si
.busType
= SI_PCI_BUS
;
1973 si
.processorFamily
= DPTI_sig
.dsProcessorFamily
;
1975 #if defined __i386__
1976 adpt_i386_info(&si
);
1977 #elif defined (__ia64__)
1978 adpt_ia64_info(&si
);
1979 #elif defined(__sparc__)
1980 adpt_sparc_info(&si
);
1981 #elif defined (__alpha__)
1982 adpt_alpha_info(&si
);
1984 si
.processorType
= 0xff ;
1986 if (copy_to_user(buffer
, &si
, sizeof(si
))){
1987 printk(KERN_WARNING
"dpti: Could not copy buffer TO user\n");
1994 static int adpt_ioctl(struct inode
*inode
, struct file
*file
, uint cmd
, ulong arg
)
2000 void __user
*argp
= (void __user
*)arg
;
2002 minor
= iminor(inode
);
2003 if (minor
>= DPTI_MAX_HBA
){
2006 mutex_lock(&adpt_configuration_lock
);
2007 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
2008 if (pHba
->unit
== minor
) {
2009 break; /* found adapter */
2012 mutex_unlock(&adpt_configuration_lock
);
2017 while((volatile u32
) pHba
->state
& DPTI_STATE_RESET
)
2018 schedule_timeout_uninterruptible(2);
2021 // TODO: handle 3 cases
2023 if (copy_to_user(argp
, &DPTI_sig
, sizeof(DPTI_sig
))) {
2028 return adpt_i2o_passthru(pHba
, argp
);
2031 drvrHBAinfo_S HbaInfo
;
2033 #define FLG_OSD_PCI_VALID 0x0001
2034 #define FLG_OSD_DMA 0x0002
2035 #define FLG_OSD_I2O 0x0004
2036 memset(&HbaInfo
, 0, sizeof(HbaInfo
));
2037 HbaInfo
.drvrHBAnum
= pHba
->unit
;
2038 HbaInfo
.baseAddr
= (ulong
) pHba
->base_addr_phys
;
2039 HbaInfo
.blinkState
= adpt_read_blink_led(pHba
);
2040 HbaInfo
.pciBusNum
= pHba
->pDev
->bus
->number
;
2041 HbaInfo
.pciDeviceNum
=PCI_SLOT(pHba
->pDev
->devfn
);
2042 HbaInfo
.Interrupt
= pHba
->pDev
->irq
;
2043 HbaInfo
.hbaFlags
= FLG_OSD_PCI_VALID
| FLG_OSD_DMA
| FLG_OSD_I2O
;
2044 if(copy_to_user(argp
, &HbaInfo
, sizeof(HbaInfo
))){
2045 printk(KERN_WARNING
"%s: Could not copy HbaInfo TO user\n",pHba
->name
);
2051 return adpt_system_info(argp
);
2054 value
= (u32
)adpt_read_blink_led(pHba
);
2055 if (copy_to_user(argp
, &value
, sizeof(value
))) {
2062 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2063 adpt_hba_reset(pHba
);
2065 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2077 static long adpt_unlocked_ioctl(struct file
*file
, uint cmd
, ulong arg
)
2079 struct inode
*inode
;
2082 inode
= file_inode(file
);
2084 mutex_lock(&adpt_mutex
);
2085 ret
= adpt_ioctl(inode
, file
, cmd
, arg
);
2086 mutex_unlock(&adpt_mutex
);
2091 #ifdef CONFIG_COMPAT
2092 static long compat_adpt_ioctl(struct file
*file
,
2093 unsigned int cmd
, unsigned long arg
)
2095 struct inode
*inode
;
2098 inode
= file_inode(file
);
2100 mutex_lock(&adpt_mutex
);
2110 case (DPT_TARGET_BUSY
& 0xFFFF):
2111 case DPT_TARGET_BUSY
:
2112 ret
= adpt_ioctl(inode
, file
, cmd
, arg
);
2118 mutex_unlock(&adpt_mutex
);
2124 static irqreturn_t
adpt_isr(int irq
, void *dev_id
)
2126 struct scsi_cmnd
* cmd
;
2127 adpt_hba
* pHba
= dev_id
;
2129 void __iomem
*reply
;
2136 printk(KERN_WARNING
"adpt_isr: NULL dev_id\n");
2140 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2142 while( readl(pHba
->irq_mask
) & I2O_INTERRUPT_PENDING_B
) {
2143 m
= readl(pHba
->reply_port
);
2144 if(m
== EMPTY_QUEUE
){
2145 // Try twice then give up
2147 m
= readl(pHba
->reply_port
);
2148 if(m
== EMPTY_QUEUE
){
2149 // This really should not happen
2150 printk(KERN_ERR
"dpti: Could not get reply frame\n");
2154 if (pHba
->reply_pool_pa
<= m
&&
2155 m
< pHba
->reply_pool_pa
+
2156 (pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4)) {
2157 reply
= (u8
*)pHba
->reply_pool
+
2158 (m
- pHba
->reply_pool_pa
);
2160 /* Ick, we should *never* be here */
2161 printk(KERN_ERR
"dpti: reply frame not from pool\n");
2162 reply
= (u8
*)bus_to_virt(m
);
2165 if (readl(reply
) & MSG_FAIL
) {
2166 u32 old_m
= readl(reply
+28);
2169 PDEBUG("%s: Failed message\n",pHba
->name
);
2170 if(old_m
>= 0x100000){
2171 printk(KERN_ERR
"%s: Bad preserved MFA (%x)- dropping frame\n",pHba
->name
,old_m
);
2172 writel(m
,pHba
->reply_port
);
2175 // Transaction context is 0 in failed reply frame
2176 msg
= pHba
->msg_addr_virt
+ old_m
;
2177 old_context
= readl(msg
+12);
2178 writel(old_context
, reply
+12);
2179 adpt_send_nop(pHba
, old_m
);
2181 context
= readl(reply
+8);
2182 if(context
& 0x40000000){ // IOCTL
2183 void *p
= adpt_ioctl_from_context(pHba
, readl(reply
+12));
2185 memcpy_fromio(p
, reply
, REPLY_FRAME_SIZE
* 4);
2187 // All IOCTLs will also be post wait
2189 if(context
& 0x80000000){ // Post wait message
2190 status
= readl(reply
+16);
2192 status
&= 0xffff; /* Get detail status */
2194 status
= I2O_POST_WAIT_OK
;
2196 if(!(context
& 0x40000000)) {
2197 cmd
= adpt_cmd_from_context(pHba
,
2200 printk(KERN_WARNING
"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba
->name
, cmd
, context
);
2203 adpt_i2o_post_wait_complete(context
, status
);
2204 } else { // SCSI message
2205 cmd
= adpt_cmd_from_context (pHba
, readl(reply
+12));
2207 scsi_dma_unmap(cmd
);
2208 if(cmd
->serial_number
!= 0) { // If not timedout
2209 adpt_i2o_to_scsi(reply
, cmd
);
2213 writel(m
, pHba
->reply_port
);
2219 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2220 return IRQ_RETVAL(handled
);
2223 static s32
adpt_scsi_to_i2o(adpt_hba
* pHba
, struct scsi_cmnd
* cmd
, struct adpt_device
* d
)
2226 u32 msg
[MAX_MESSAGE_SIZE
];
2238 memset(msg
, 0 , sizeof(msg
));
2239 len
= scsi_bufflen(cmd
);
2240 direction
= 0x00000000;
2242 scsidir
= 0x00000000; // DATA NO XFER
2245 * Set SCBFlags to indicate if data is being transferred
2246 * in or out, or no data transfer
2247 * Note: Do not have to verify index is less than 0 since
2248 * cmd->cmnd[0] is an unsigned char
2250 switch(cmd
->sc_data_direction
){
2251 case DMA_FROM_DEVICE
:
2252 scsidir
=0x40000000; // DATA IN (iop<--dev)
2255 direction
=0x04000000; // SGL OUT
2256 scsidir
=0x80000000; // DATA OUT (iop-->dev)
2260 case DMA_BIDIRECTIONAL
:
2261 scsidir
=0x40000000; // DATA IN (iop<--dev)
2262 // Assume In - and continue;
2265 printk(KERN_WARNING
"%s: scsi opcode 0x%x not supported.\n",
2266 pHba
->name
, cmd
->cmnd
[0]);
2267 cmd
->result
= (DID_OK
<<16) | (INITIATOR_ERROR
<< 8);
2268 cmd
->scsi_done(cmd
);
2272 // msg[0] is set later
2273 // I2O_CMD_SCSI_EXEC
2274 msg
[1] = ((0xff<<24)|(HOST_TID
<<12)|d
->tid
);
2276 msg
[3] = adpt_cmd_to_context(cmd
); /* Want SCSI control block back */
2277 // Our cards use the transaction context as the tag for queueing
2278 // Adaptec/DPT Private stuff
2279 msg
[4] = I2O_CMD_SCSI_EXEC
|(DPT_ORGANIZATION_ID
<<16);
2281 /* Direction, disconnect ok | sense data | simple queue , CDBLen */
2282 // I2O_SCB_FLAG_ENABLE_DISCONNECT |
2283 // I2O_SCB_FLAG_SIMPLE_QUEUE_TAG |
2284 // I2O_SCB_FLAG_SENSE_DATA_IN_MESSAGE;
2285 msg
[6] = scsidir
|0x20a00000|cmd
->cmd_len
;
2289 // Write SCSI command into the message - always 16 byte block
2290 memset(mptr
, 0, 16);
2291 memcpy(mptr
, cmd
->cmnd
, cmd
->cmd_len
);
2293 lenptr
=mptr
++; /* Remember me - fill in when we know */
2294 if (dpt_dma64(pHba
)) {
2295 reqlen
= 16; // SINGLE SGE
2296 *mptr
++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
2297 *mptr
++ = 1 << PAGE_SHIFT
;
2299 reqlen
= 14; // SINGLE SGE
2301 /* Now fill in the SGList and command */
2303 nseg
= scsi_dma_map(cmd
);
2306 struct scatterlist
*sg
;
2309 scsi_for_each_sg(cmd
, sg
, nseg
, i
) {
2311 *mptr
++ = direction
|0x10000000|sg_dma_len(sg
);
2312 len
+=sg_dma_len(sg
);
2313 addr
= sg_dma_address(sg
);
2314 *mptr
++ = dma_low(addr
);
2315 if (dpt_dma64(pHba
))
2316 *mptr
++ = dma_high(addr
);
2317 /* Make this an end of list */
2319 *lptr
= direction
|0xD0000000|sg_dma_len(sg
);
2321 reqlen
= mptr
- msg
;
2324 if(cmd
->underflow
&& len
!= cmd
->underflow
){
2325 printk(KERN_WARNING
"Cmd len %08X Cmd underflow %08X\n",
2326 len
, cmd
->underflow
);
2333 /* Stick the headers on */
2334 msg
[0] = reqlen
<<16 | ((reqlen
> 12) ? SGL_OFFSET_12
: SGL_OFFSET_0
);
2336 // Send it on it's way
2337 rcode
= adpt_i2o_post_this(pHba
, msg
, reqlen
<<2);
2345 static s32
adpt_scsi_host_alloc(adpt_hba
* pHba
, struct scsi_host_template
*sht
)
2347 struct Scsi_Host
*host
;
2349 host
= scsi_host_alloc(sht
, sizeof(adpt_hba
*));
2351 printk("%s: scsi_host_alloc returned NULL\n", pHba
->name
);
2354 host
->hostdata
[0] = (unsigned long)pHba
;
2357 host
->irq
= pHba
->pDev
->irq
;
2358 /* no IO ports, so don't have to set host->io_port and
2362 host
->n_io_port
= 0;
2363 /* see comments in scsi_host.h */
2365 host
->max_lun
= 256;
2366 host
->max_channel
= pHba
->top_scsi_channel
+ 1;
2367 host
->cmd_per_lun
= 1;
2368 host
->unique_id
= (u32
)sys_tbl_pa
+ pHba
->unit
;
2369 host
->sg_tablesize
= pHba
->sg_tablesize
;
2370 host
->can_queue
= pHba
->post_fifo_size
;
2371 host
->use_cmd_list
= 1;
2377 static s32
adpt_i2o_to_scsi(void __iomem
*reply
, struct scsi_cmnd
* cmd
)
2382 u32 reply_flags
= readl(reply
) & 0xff00; // Leave it shifted up 8 bits
2383 // I know this would look cleaner if I just read bytes
2384 // but the model I have been using for all the rest of the
2385 // io is in 4 byte words - so I keep that model
2386 u16 detailed_status
= readl(reply
+16) &0xffff;
2387 dev_status
= (detailed_status
& 0xff);
2388 hba_status
= detailed_status
>> 8;
2390 // calculate resid for sg
2391 scsi_set_resid(cmd
, scsi_bufflen(cmd
) - readl(reply
+20));
2393 pHba
= (adpt_hba
*) cmd
->device
->host
->hostdata
[0];
2395 cmd
->sense_buffer
[0] = '\0'; // initialize sense valid flag to false
2397 if(!(reply_flags
& MSG_FAIL
)) {
2398 switch(detailed_status
& I2O_SCSI_DSC_MASK
) {
2399 case I2O_SCSI_DSC_SUCCESS
:
2400 cmd
->result
= (DID_OK
<< 16);
2402 if (readl(reply
+20) < cmd
->underflow
) {
2403 cmd
->result
= (DID_ERROR
<<16);
2404 printk(KERN_WARNING
"%s: SCSI CMD underflow\n",pHba
->name
);
2407 case I2O_SCSI_DSC_REQUEST_ABORTED
:
2408 cmd
->result
= (DID_ABORT
<< 16);
2410 case I2O_SCSI_DSC_PATH_INVALID
:
2411 case I2O_SCSI_DSC_DEVICE_NOT_PRESENT
:
2412 case I2O_SCSI_DSC_SELECTION_TIMEOUT
:
2413 case I2O_SCSI_DSC_COMMAND_TIMEOUT
:
2414 case I2O_SCSI_DSC_NO_ADAPTER
:
2415 case I2O_SCSI_DSC_RESOURCE_UNAVAILABLE
:
2416 printk(KERN_WARNING
"%s: SCSI Timeout-Device (%d,%d,%llu) hba status=0x%x, dev status=0x%x, cmd=0x%x\n",
2417 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, cmd
->device
->lun
, hba_status
, dev_status
, cmd
->cmnd
[0]);
2418 cmd
->result
= (DID_TIME_OUT
<< 16);
2420 case I2O_SCSI_DSC_ADAPTER_BUSY
:
2421 case I2O_SCSI_DSC_BUS_BUSY
:
2422 cmd
->result
= (DID_BUS_BUSY
<< 16);
2424 case I2O_SCSI_DSC_SCSI_BUS_RESET
:
2425 case I2O_SCSI_DSC_BDR_MESSAGE_SENT
:
2426 cmd
->result
= (DID_RESET
<< 16);
2428 case I2O_SCSI_DSC_PARITY_ERROR_FAILURE
:
2429 printk(KERN_WARNING
"%s: SCSI CMD parity error\n",pHba
->name
);
2430 cmd
->result
= (DID_PARITY
<< 16);
2432 case I2O_SCSI_DSC_UNABLE_TO_ABORT
:
2433 case I2O_SCSI_DSC_COMPLETE_WITH_ERROR
:
2434 case I2O_SCSI_DSC_UNABLE_TO_TERMINATE
:
2435 case I2O_SCSI_DSC_MR_MESSAGE_RECEIVED
:
2436 case I2O_SCSI_DSC_AUTOSENSE_FAILED
:
2437 case I2O_SCSI_DSC_DATA_OVERRUN
:
2438 case I2O_SCSI_DSC_UNEXPECTED_BUS_FREE
:
2439 case I2O_SCSI_DSC_SEQUENCE_FAILURE
:
2440 case I2O_SCSI_DSC_REQUEST_LENGTH_ERROR
:
2441 case I2O_SCSI_DSC_PROVIDE_FAILURE
:
2442 case I2O_SCSI_DSC_REQUEST_TERMINATED
:
2443 case I2O_SCSI_DSC_IDE_MESSAGE_SENT
:
2444 case I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT
:
2445 case I2O_SCSI_DSC_MESSAGE_RECEIVED
:
2446 case I2O_SCSI_DSC_INVALID_CDB
:
2447 case I2O_SCSI_DSC_LUN_INVALID
:
2448 case I2O_SCSI_DSC_SCSI_TID_INVALID
:
2449 case I2O_SCSI_DSC_FUNCTION_UNAVAILABLE
:
2450 case I2O_SCSI_DSC_NO_NEXUS
:
2451 case I2O_SCSI_DSC_CDB_RECEIVED
:
2452 case I2O_SCSI_DSC_LUN_ALREADY_ENABLED
:
2453 case I2O_SCSI_DSC_QUEUE_FROZEN
:
2454 case I2O_SCSI_DSC_REQUEST_INVALID
:
2456 printk(KERN_WARNING
"%s: SCSI error %0x-Device(%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2457 pHba
->name
, detailed_status
& I2O_SCSI_DSC_MASK
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, cmd
->device
->lun
,
2458 hba_status
, dev_status
, cmd
->cmnd
[0]);
2459 cmd
->result
= (DID_ERROR
<< 16);
2463 // copy over the request sense data if it was a check
2465 if (dev_status
== SAM_STAT_CHECK_CONDITION
) {
2466 u32 len
= min(SCSI_SENSE_BUFFERSIZE
, 40);
2467 // Copy over the sense data
2468 memcpy_fromio(cmd
->sense_buffer
, (reply
+28) , len
);
2469 if(cmd
->sense_buffer
[0] == 0x70 /* class 7 */ &&
2470 cmd
->sense_buffer
[2] == DATA_PROTECT
){
2471 /* This is to handle an array failed */
2472 cmd
->result
= (DID_TIME_OUT
<< 16);
2473 printk(KERN_WARNING
"%s: SCSI Data Protect-Device (%d,%d,%llu) hba_status=0x%x, dev_status=0x%x, cmd=0x%x\n",
2474 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, cmd
->device
->lun
,
2475 hba_status
, dev_status
, cmd
->cmnd
[0]);
2480 /* In this condtion we could not talk to the tid
2481 * the card rejected it. We should signal a retry
2482 * for a limitted number of retries.
2484 cmd
->result
= (DID_TIME_OUT
<< 16);
2485 printk(KERN_WARNING
"%s: I2O MSG_FAIL - Device (%d,%d,%llu) tid=%d, cmd=0x%x\n",
2486 pHba
->name
, (u32
)cmd
->device
->channel
, (u32
)cmd
->device
->id
, cmd
->device
->lun
,
2487 ((struct adpt_device
*)(cmd
->device
->hostdata
))->tid
, cmd
->cmnd
[0]);
2490 cmd
->result
|= (dev_status
);
2492 if(cmd
->scsi_done
!= NULL
){
2493 cmd
->scsi_done(cmd
);
2499 static s32
adpt_rescan(adpt_hba
* pHba
)
2505 spin_lock_irqsave(pHba
->host
->host_lock
, flags
);
2506 if ((rcode
=adpt_i2o_lct_get(pHba
)) < 0)
2508 if ((rcode
=adpt_i2o_reparse_lct(pHba
)) < 0)
2512 spin_unlock_irqrestore(pHba
->host
->host_lock
, flags
);
2517 static s32
adpt_i2o_reparse_lct(adpt_hba
* pHba
)
2522 struct i2o_device
*d
;
2523 i2o_lct
*lct
= pHba
->lct
;
2527 u32 buf
[10]; // at least 8 u32's
2528 struct adpt_device
* pDev
= NULL
;
2529 struct i2o_device
* pI2o_dev
= NULL
;
2532 printk(KERN_ERR
"%s: LCT is empty???\n",pHba
->name
);
2536 max
= lct
->table_size
;
2540 // Mark each drive as unscanned
2541 for (d
= pHba
->devices
; d
; d
= d
->next
) {
2542 pDev
=(struct adpt_device
*) d
->owner
;
2546 pDev
->state
|= DPTI_DEV_UNSCANNED
;
2549 printk(KERN_INFO
"%s: LCT has %d entries.\n", pHba
->name
,max
);
2551 for(i
=0;i
<max
;i
++) {
2552 if( lct
->lct_entry
[i
].user_tid
!= 0xfff){
2556 if( lct
->lct_entry
[i
].class_id
== I2O_CLASS_RANDOM_BLOCK_STORAGE
||
2557 lct
->lct_entry
[i
].class_id
== I2O_CLASS_SCSI_PERIPHERAL
||
2558 lct
->lct_entry
[i
].class_id
== I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
){
2559 tid
= lct
->lct_entry
[i
].tid
;
2560 if(adpt_i2o_query_scalar(pHba
, tid
, 0x8000, -1, buf
, 32)<0) {
2561 printk(KERN_ERR
"%s: Could not query device\n",pHba
->name
);
2564 bus_no
= buf
[0]>>16;
2565 if (bus_no
>= MAX_CHANNEL
) { /* Something wrong skip it */
2567 "%s: Channel number %d out of range\n",
2568 pHba
->name
, bus_no
);
2573 scsi_lun
= scsilun_to_int((struct scsi_lun
*)&buf
[2]);
2574 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2577 if(pDev
->scsi_lun
== scsi_lun
) {
2580 pDev
= pDev
->next_lun
;
2582 if(!pDev
) { // Something new add it
2583 d
= kmalloc(sizeof(struct i2o_device
),
2587 printk(KERN_CRIT
"Out of memory for I2O device data.\n");
2591 d
->controller
= pHba
;
2594 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2597 adpt_i2o_report_hba_unit(pHba
, d
);
2598 adpt_i2o_install_device(pHba
, d
);
2600 pDev
= pHba
->channel
[bus_no
].device
[scsi_id
];
2603 kzalloc(sizeof(struct adpt_device
),
2608 pHba
->channel
[bus_no
].device
[scsi_id
] = pDev
;
2610 while (pDev
->next_lun
) {
2611 pDev
= pDev
->next_lun
;
2613 pDev
= pDev
->next_lun
=
2614 kzalloc(sizeof(struct adpt_device
),
2620 pDev
->tid
= d
->lct_data
.tid
;
2621 pDev
->scsi_channel
= bus_no
;
2622 pDev
->scsi_id
= scsi_id
;
2623 pDev
->scsi_lun
= scsi_lun
;
2626 pDev
->type
= (buf
[0])&0xff;
2627 pDev
->flags
= (buf
[0]>>8)&0xff;
2628 // Too late, SCSI system has made up it's mind, but what the hey ...
2629 if(scsi_id
> pHba
->top_scsi_id
){
2630 pHba
->top_scsi_id
= scsi_id
;
2632 if(scsi_lun
> pHba
->top_scsi_lun
){
2633 pHba
->top_scsi_lun
= scsi_lun
;
2636 } // end of new i2o device
2638 // We found an old device - check it
2640 if(pDev
->scsi_lun
== scsi_lun
) {
2641 if(!scsi_device_online(pDev
->pScsi_dev
)) {
2642 printk(KERN_WARNING
"%s: Setting device (%d,%d,%llu) back online\n",
2643 pHba
->name
,bus_no
,scsi_id
,scsi_lun
);
2644 if (pDev
->pScsi_dev
) {
2645 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_RUNNING
);
2649 if(d
->lct_data
.tid
!= tid
) { // something changed
2651 memcpy(&d
->lct_data
, &lct
->lct_entry
[i
], sizeof(i2o_lct_entry
));
2652 if (pDev
->pScsi_dev
) {
2653 pDev
->pScsi_dev
->changed
= TRUE
;
2654 pDev
->pScsi_dev
->removable
= TRUE
;
2657 // Found it - mark it scanned
2658 pDev
->state
= DPTI_DEV_ONLINE
;
2661 pDev
= pDev
->next_lun
;
2665 for (pI2o_dev
= pHba
->devices
; pI2o_dev
; pI2o_dev
= pI2o_dev
->next
) {
2666 pDev
=(struct adpt_device
*) pI2o_dev
->owner
;
2670 // Drive offline drives that previously existed but could not be found
2672 if (pDev
->state
& DPTI_DEV_UNSCANNED
){
2673 pDev
->state
= DPTI_DEV_OFFLINE
;
2674 printk(KERN_WARNING
"%s: Device (%d,%d,%llu) offline\n",pHba
->name
,pDev
->scsi_channel
,pDev
->scsi_id
,pDev
->scsi_lun
);
2675 if (pDev
->pScsi_dev
) {
2676 scsi_device_set_state(pDev
->pScsi_dev
, SDEV_OFFLINE
);
2683 static void adpt_fail_posted_scbs(adpt_hba
* pHba
)
2685 struct scsi_cmnd
* cmd
= NULL
;
2686 struct scsi_device
* d
= NULL
;
2688 shost_for_each_device(d
, pHba
->host
) {
2689 unsigned long flags
;
2690 spin_lock_irqsave(&d
->list_lock
, flags
);
2691 list_for_each_entry(cmd
, &d
->cmd_list
, list
) {
2692 if(cmd
->serial_number
== 0){
2695 cmd
->result
= (DID_OK
<< 16) | (QUEUE_FULL
<<1);
2696 cmd
->scsi_done(cmd
);
2698 spin_unlock_irqrestore(&d
->list_lock
, flags
);
2703 /*============================================================================
2704 * Routines from i2o subsystem
2705 *============================================================================
2711 * Bring an I2O controller into HOLD state. See the spec.
2713 static int adpt_i2o_activate_hba(adpt_hba
* pHba
)
2717 if(pHba
->initialized
) {
2718 if (adpt_i2o_status_get(pHba
) < 0) {
2719 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2720 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2723 if (adpt_i2o_status_get(pHba
) < 0) {
2724 printk(KERN_INFO
"HBA not responding.\n");
2729 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_FAULTED
) {
2730 printk(KERN_CRIT
"%s: hardware fault\n", pHba
->name
);
2734 if (pHba
->status_block
->iop_state
== ADAPTER_STATE_READY
||
2735 pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
||
2736 pHba
->status_block
->iop_state
== ADAPTER_STATE_HOLD
||
2737 pHba
->status_block
->iop_state
== ADAPTER_STATE_FAILED
) {
2738 adpt_i2o_reset_hba(pHba
);
2739 if (adpt_i2o_status_get(pHba
) < 0 || pHba
->status_block
->iop_state
!= ADAPTER_STATE_RESET
) {
2740 printk(KERN_ERR
"%s: Failed to initialize.\n", pHba
->name
);
2745 if((rcode
= adpt_i2o_reset_hba(pHba
)) != 0){
2746 printk(KERN_WARNING
"%s: Could NOT reset.\n", pHba
->name
);
2752 if (adpt_i2o_init_outbound_q(pHba
) < 0) {
2758 if (adpt_i2o_hrt_get(pHba
) < 0) {
2766 * Bring a controller online into OPERATIONAL state.
2769 static int adpt_i2o_online_hba(adpt_hba
* pHba
)
2771 if (adpt_i2o_systab_send(pHba
) < 0) {
2772 adpt_i2o_delete_hba(pHba
);
2775 /* In READY state */
2777 if (adpt_i2o_enable_hba(pHba
) < 0) {
2778 adpt_i2o_delete_hba(pHba
);
2782 /* In OPERATIONAL state */
2786 static s32
adpt_send_nop(adpt_hba
*pHba
,u32 m
)
2789 ulong timeout
= jiffies
+ 5*HZ
;
2791 while(m
== EMPTY_QUEUE
){
2793 m
= readl(pHba
->post_port
);
2794 if(m
!= EMPTY_QUEUE
){
2797 if(time_after(jiffies
,timeout
)){
2798 printk(KERN_ERR
"%s: Timeout waiting for message frame!\n",pHba
->name
);
2801 schedule_timeout_uninterruptible(1);
2803 msg
= (u32 __iomem
*)(pHba
->msg_addr_virt
+ m
);
2804 writel( THREE_WORD_MSG_SIZE
| SGL_OFFSET_0
,&msg
[0]);
2805 writel( I2O_CMD_UTIL_NOP
<< 24 | HOST_TID
<< 12 | 0,&msg
[1]);
2809 writel(m
, pHba
->post_port
);
2814 static s32
adpt_i2o_init_outbound_q(adpt_hba
* pHba
)
2818 u32 __iomem
*msg
= NULL
;
2820 ulong timeout
= jiffies
+ TMOUT_INITOUTBOUND
*HZ
;
2825 m
= readl(pHba
->post_port
);
2826 if (m
!= EMPTY_QUEUE
) {
2830 if(time_after(jiffies
,timeout
)){
2831 printk(KERN_WARNING
"%s: Timeout waiting for message frame\n",pHba
->name
);
2834 schedule_timeout_uninterruptible(1);
2835 } while(m
== EMPTY_QUEUE
);
2837 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2839 status
= dma_alloc_coherent(&pHba
->pDev
->dev
, 4, &addr
, GFP_KERNEL
);
2841 adpt_send_nop(pHba
, m
);
2842 printk(KERN_WARNING
"%s: IOP reset failed - no free memory.\n",
2846 memset(status
, 0, 4);
2848 writel(EIGHT_WORD_MSG_SIZE
| SGL_OFFSET_6
, &msg
[0]);
2849 writel(I2O_CMD_OUTBOUND_INIT
<<24 | HOST_TID
<<12 | ADAPTER_TID
, &msg
[1]);
2851 writel(0x0106, &msg
[3]); /* Transaction context */
2852 writel(4096, &msg
[4]); /* Host page frame size */
2853 writel((REPLY_FRAME_SIZE
)<<16|0x80, &msg
[5]); /* Outbound msg frame size and Initcode */
2854 writel(0xD0000004, &msg
[6]); /* Simple SG LE, EOB */
2855 writel((u32
)addr
, &msg
[7]);
2857 writel(m
, pHba
->post_port
);
2860 // Wait for the reply status to come back
2863 if (*status
!= 0x01 /*I2O_EXEC_OUTBOUND_INIT_IN_PROGRESS*/) {
2868 if(time_after(jiffies
,timeout
)){
2869 printk(KERN_WARNING
"%s: Timeout Initializing\n",pHba
->name
);
2870 /* We lose 4 bytes of "status" here, but we
2871 cannot free these because controller may
2872 awake and corrupt those bytes at any time */
2873 /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
2876 schedule_timeout_uninterruptible(1);
2879 // If the command was successful, fill the fifo with our reply
2881 if(*status
!= 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
2882 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
2885 dma_free_coherent(&pHba
->pDev
->dev
, 4, status
, addr
);
2887 if(pHba
->reply_pool
!= NULL
) {
2888 dma_free_coherent(&pHba
->pDev
->dev
,
2889 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
2890 pHba
->reply_pool
, pHba
->reply_pool_pa
);
2893 pHba
->reply_pool
= dma_alloc_coherent(&pHba
->pDev
->dev
,
2894 pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4,
2895 &pHba
->reply_pool_pa
, GFP_KERNEL
);
2896 if (!pHba
->reply_pool
) {
2897 printk(KERN_ERR
"%s: Could not allocate reply pool\n", pHba
->name
);
2900 memset(pHba
->reply_pool
, 0 , pHba
->reply_fifo_size
* REPLY_FRAME_SIZE
* 4);
2902 for(i
= 0; i
< pHba
->reply_fifo_size
; i
++) {
2903 writel(pHba
->reply_pool_pa
+ (i
* REPLY_FRAME_SIZE
* 4),
2907 adpt_i2o_status_get(pHba
);
2913 * I2O System Table. Contains information about
2914 * all the IOPs in the system. Used to inform IOPs
2915 * about each other's existence.
2917 * sys_tbl_ver is the CurrentChangeIndicator that is
2918 * used by IOPs to track changes.
2923 static s32
adpt_i2o_status_get(adpt_hba
* pHba
)
2928 u8
*status_block
=NULL
;
2930 if(pHba
->status_block
== NULL
) {
2931 pHba
->status_block
= dma_alloc_coherent(&pHba
->pDev
->dev
,
2932 sizeof(i2o_status_block
),
2933 &pHba
->status_block_pa
, GFP_KERNEL
);
2934 if(pHba
->status_block
== NULL
) {
2936 "dpti%d: Get Status Block failed; Out of memory. \n",
2941 memset(pHba
->status_block
, 0, sizeof(i2o_status_block
));
2942 status_block
= (u8
*)(pHba
->status_block
);
2943 timeout
= jiffies
+TMOUT_GETSTATUS
*HZ
;
2946 m
= readl(pHba
->post_port
);
2947 if (m
!= EMPTY_QUEUE
) {
2950 if(time_after(jiffies
,timeout
)){
2951 printk(KERN_ERR
"%s: Timeout waiting for message !\n",
2955 schedule_timeout_uninterruptible(1);
2956 } while(m
==EMPTY_QUEUE
);
2959 msg
=(u32 __iomem
*)(pHba
->msg_addr_virt
+m
);
2961 writel(NINE_WORD_MSG_SIZE
|SGL_OFFSET_0
, &msg
[0]);
2962 writel(I2O_CMD_STATUS_GET
<<24|HOST_TID
<<12|ADAPTER_TID
, &msg
[1]);
2967 writel( dma_low(pHba
->status_block_pa
), &msg
[6]);
2968 writel( dma_high(pHba
->status_block_pa
), &msg
[7]);
2969 writel(sizeof(i2o_status_block
), &msg
[8]); // 88 bytes
2972 writel(m
, pHba
->post_port
);
2975 while(status_block
[87]!=0xff){
2976 if(time_after(jiffies
,timeout
)){
2977 printk(KERN_ERR
"dpti%d: Get status timeout.\n",
2982 schedule_timeout_uninterruptible(1);
2985 // Set up our number of outbound and inbound messages
2986 pHba
->post_fifo_size
= pHba
->status_block
->max_inbound_frames
;
2987 if (pHba
->post_fifo_size
> MAX_TO_IOP_MESSAGES
) {
2988 pHba
->post_fifo_size
= MAX_TO_IOP_MESSAGES
;
2991 pHba
->reply_fifo_size
= pHba
->status_block
->max_outbound_frames
;
2992 if (pHba
->reply_fifo_size
> MAX_FROM_IOP_MESSAGES
) {
2993 pHba
->reply_fifo_size
= MAX_FROM_IOP_MESSAGES
;
2996 // Calculate the Scatter Gather list size
2997 if (dpt_dma64(pHba
)) {
2999 = ((pHba
->status_block
->inbound_frame_size
* 4
3001 / (sizeof(struct sg_simple_element
) + sizeof(u32
)));
3004 = ((pHba
->status_block
->inbound_frame_size
* 4
3006 / sizeof(struct sg_simple_element
));
3008 if (pHba
->sg_tablesize
> SG_LIST_ELEMENTS
) {
3009 pHba
->sg_tablesize
= SG_LIST_ELEMENTS
;
3014 printk("dpti%d: State = ",pHba
->unit
);
3015 switch(pHba
->status_block
->iop_state
) {
3029 printk("OPERATIONAL\n");
3035 printk("FAULTED\n");
3038 printk("%x (unknown!!)\n",pHba
->status_block
->iop_state
);
3045 * Get the IOP's Logical Configuration Table
3047 static int adpt_i2o_lct_get(adpt_hba
* pHba
)
3053 if ((pHba
->lct_size
== 0) || (pHba
->lct
== NULL
)){
3054 pHba
->lct_size
= pHba
->status_block
->expected_lct_size
;
3057 if (pHba
->lct
== NULL
) {
3058 pHba
->lct
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3059 pHba
->lct_size
, &pHba
->lct_pa
,
3061 if(pHba
->lct
== NULL
) {
3062 printk(KERN_CRIT
"%s: Lct Get failed. Out of memory.\n",
3067 memset(pHba
->lct
, 0, pHba
->lct_size
);
3069 msg
[0] = EIGHT_WORD_MSG_SIZE
|SGL_OFFSET_6
;
3070 msg
[1] = I2O_CMD_LCT_NOTIFY
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3073 msg
[4] = 0xFFFFFFFF; /* All devices */
3074 msg
[5] = 0x00000000; /* Report now */
3075 msg
[6] = 0xD0000000|pHba
->lct_size
;
3076 msg
[7] = (u32
)pHba
->lct_pa
;
3078 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 360))) {
3079 printk(KERN_ERR
"%s: LCT Get failed (status=%#10x.\n",
3081 printk(KERN_ERR
"Adaptec: Error Reading Hardware.\n");
3085 if ((pHba
->lct
->table_size
<< 2) > pHba
->lct_size
) {
3086 pHba
->lct_size
= pHba
->lct
->table_size
<< 2;
3087 dma_free_coherent(&pHba
->pDev
->dev
, pHba
->lct_size
,
3088 pHba
->lct
, pHba
->lct_pa
);
3091 } while (pHba
->lct
== NULL
);
3093 PDEBUG("%s: Hardware resource table read.\n", pHba
->name
);
3096 // I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
3097 if(adpt_i2o_query_scalar(pHba
, 0 , 0x8000, -1, buf
, sizeof(buf
))>=0) {
3098 pHba
->FwDebugBufferSize
= buf
[1];
3099 pHba
->FwDebugBuffer_P
= ioremap(pHba
->base_addr_phys
+ buf
[0],
3100 pHba
->FwDebugBufferSize
);
3101 if (pHba
->FwDebugBuffer_P
) {
3102 pHba
->FwDebugFlags_P
= pHba
->FwDebugBuffer_P
+
3103 FW_DEBUG_FLAGS_OFFSET
;
3104 pHba
->FwDebugBLEDvalue_P
= pHba
->FwDebugBuffer_P
+
3105 FW_DEBUG_BLED_OFFSET
;
3106 pHba
->FwDebugBLEDflag_P
= pHba
->FwDebugBLEDvalue_P
+ 1;
3107 pHba
->FwDebugStrLength_P
= pHba
->FwDebugBuffer_P
+
3108 FW_DEBUG_STR_LENGTH_OFFSET
;
3109 pHba
->FwDebugBuffer_P
+= buf
[2];
3110 pHba
->FwDebugFlags
= 0;
3117 static int adpt_i2o_build_sys_table(void)
3119 adpt_hba
* pHba
= hba_chain
;
3123 dma_free_coherent(&pHba
->pDev
->dev
, sys_tbl_len
,
3124 sys_tbl
, sys_tbl_pa
);
3126 sys_tbl_len
= sizeof(struct i2o_sys_tbl
) + // Header + IOPs
3127 (hba_count
) * sizeof(struct i2o_sys_tbl_entry
);
3129 sys_tbl
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3130 sys_tbl_len
, &sys_tbl_pa
, GFP_KERNEL
);
3132 printk(KERN_WARNING
"SysTab Set failed. Out of memory.\n");
3135 memset(sys_tbl
, 0, sys_tbl_len
);
3137 sys_tbl
->num_entries
= hba_count
;
3138 sys_tbl
->version
= I2OVERSION
;
3139 sys_tbl
->change_ind
= sys_tbl_ind
++;
3141 for(pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
3143 // Get updated Status Block so we have the latest information
3144 if (adpt_i2o_status_get(pHba
)) {
3145 sys_tbl
->num_entries
--;
3146 continue; // try next one
3149 sys_tbl
->iops
[count
].org_id
= pHba
->status_block
->org_id
;
3150 sys_tbl
->iops
[count
].iop_id
= pHba
->unit
+ 2;
3151 sys_tbl
->iops
[count
].seg_num
= 0;
3152 sys_tbl
->iops
[count
].i2o_version
= pHba
->status_block
->i2o_version
;
3153 sys_tbl
->iops
[count
].iop_state
= pHba
->status_block
->iop_state
;
3154 sys_tbl
->iops
[count
].msg_type
= pHba
->status_block
->msg_type
;
3155 sys_tbl
->iops
[count
].frame_size
= pHba
->status_block
->inbound_frame_size
;
3156 sys_tbl
->iops
[count
].last_changed
= sys_tbl_ind
- 1; // ??
3157 sys_tbl
->iops
[count
].iop_capabilities
= pHba
->status_block
->iop_capabilities
;
3158 addr
= pHba
->base_addr_phys
+ 0x40;
3159 sys_tbl
->iops
[count
].inbound_low
= dma_low(addr
);
3160 sys_tbl
->iops
[count
].inbound_high
= dma_high(addr
);
3167 u32
*table
= (u32
*)sys_tbl
;
3168 printk(KERN_DEBUG
"sys_tbl_len=%d in 32bit words\n",(sys_tbl_len
>>2));
3169 for(count
= 0; count
< (sys_tbl_len
>>2); count
++) {
3170 printk(KERN_INFO
"sys_tbl[%d] = %0#10x\n",
3171 count
, table
[count
]);
3181 * Dump the information block associated with a given unit (TID)
3184 static void adpt_i2o_report_hba_unit(adpt_hba
* pHba
, struct i2o_device
*d
)
3187 int unit
= d
->lct_data
.tid
;
3189 printk(KERN_INFO
"TID %3.3d ", unit
);
3191 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 3, buf
, 16)>=0)
3194 printk(" Vendor: %-12.12s", buf
);
3196 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 4, buf
, 16)>=0)
3199 printk(" Device: %-12.12s", buf
);
3201 if(adpt_i2o_query_scalar(pHba
, unit
, 0xF100, 6, buf
, 8)>=0)
3204 printk(" Rev: %-12.12s\n", buf
);
3207 printk(KERN_INFO
"\tClass: %.21s\n", adpt_i2o_get_class_name(d
->lct_data
.class_id
));
3208 printk(KERN_INFO
"\tSubclass: 0x%04X\n", d
->lct_data
.sub_class
);
3209 printk(KERN_INFO
"\tFlags: ");
3211 if(d
->lct_data
.device_flags
&(1<<0))
3212 printk("C"); // ConfigDialog requested
3213 if(d
->lct_data
.device_flags
&(1<<1))
3214 printk("U"); // Multi-user capable
3215 if(!(d
->lct_data
.device_flags
&(1<<4)))
3216 printk("P"); // Peer service enabled!
3217 if(!(d
->lct_data
.device_flags
&(1<<5)))
3218 printk("M"); // Mgmt service enabled!
3225 * Do i2o class name lookup
3227 static const char *adpt_i2o_get_class_name(int class)
3230 static char *i2o_class_name
[] = {
3232 "Device Driver Module",
3237 "Fibre Channel Port",
3238 "Fibre Channel Device",
3242 "Floppy Controller",
3244 "Secondary Bus Port",
3245 "Peer Transport Agent",
3250 switch(class&0xFFF) {
3251 case I2O_CLASS_EXECUTIVE
:
3255 case I2O_CLASS_RANDOM_BLOCK_STORAGE
:
3257 case I2O_CLASS_SEQUENTIAL_STORAGE
:
3263 case I2O_CLASS_FIBRE_CHANNEL_PORT
:
3265 case I2O_CLASS_FIBRE_CHANNEL_PERIPHERAL
:
3267 case I2O_CLASS_SCSI_PERIPHERAL
:
3269 case I2O_CLASS_ATE_PORT
:
3271 case I2O_CLASS_ATE_PERIPHERAL
:
3273 case I2O_CLASS_FLOPPY_CONTROLLER
:
3275 case I2O_CLASS_FLOPPY_DEVICE
:
3277 case I2O_CLASS_BUS_ADAPTER_PORT
:
3279 case I2O_CLASS_PEER_TRANSPORT_AGENT
:
3281 case I2O_CLASS_PEER_TRANSPORT
:
3284 return i2o_class_name
[idx
];
3289 static s32
adpt_i2o_hrt_get(adpt_hba
* pHba
)
3292 int ret
, size
= sizeof(i2o_hrt
);
3295 if (pHba
->hrt
== NULL
) {
3296 pHba
->hrt
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3297 size
, &pHba
->hrt_pa
, GFP_KERNEL
);
3298 if (pHba
->hrt
== NULL
) {
3299 printk(KERN_CRIT
"%s: Hrt Get failed; Out of memory.\n", pHba
->name
);
3304 msg
[0]= SIX_WORD_MSG_SIZE
| SGL_OFFSET_4
;
3305 msg
[1]= I2O_CMD_HRT_GET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3308 msg
[4]= (0xD0000000 | size
); /* Simple transaction */
3309 msg
[5]= (u32
)pHba
->hrt_pa
; /* Dump it here */
3311 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
),20))) {
3312 printk(KERN_ERR
"%s: Unable to get HRT (status=%#10x)\n", pHba
->name
, ret
);
3316 if (pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2 > size
) {
3317 int newsize
= pHba
->hrt
->num_entries
* pHba
->hrt
->entry_len
<< 2;
3318 dma_free_coherent(&pHba
->pDev
->dev
, size
,
3319 pHba
->hrt
, pHba
->hrt_pa
);
3323 } while(pHba
->hrt
== NULL
);
3328 * Query one scalar group value or a whole scalar group.
3330 static int adpt_i2o_query_scalar(adpt_hba
* pHba
, int tid
,
3331 int group
, int field
, void *buf
, int buflen
)
3333 u16 opblk
[] = { 1, 0, I2O_PARAMS_FIELD_GET
, group
, 1, field
};
3335 dma_addr_t opblk_pa
;
3337 dma_addr_t resblk_pa
;
3341 /* 8 bytes for header */
3342 resblk_va
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3343 sizeof(u8
) * (8 + buflen
), &resblk_pa
, GFP_KERNEL
);
3344 if (resblk_va
== NULL
) {
3345 printk(KERN_CRIT
"%s: query scalar failed; Out of memory.\n", pHba
->name
);
3349 opblk_va
= dma_alloc_coherent(&pHba
->pDev
->dev
,
3350 sizeof(opblk
), &opblk_pa
, GFP_KERNEL
);
3351 if (opblk_va
== NULL
) {
3352 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3353 resblk_va
, resblk_pa
);
3354 printk(KERN_CRIT
"%s: query operation failed; Out of memory.\n",
3358 if (field
== -1) /* whole group */
3361 memcpy(opblk_va
, opblk
, sizeof(opblk
));
3362 size
= adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET
, pHba
, tid
,
3363 opblk_va
, opblk_pa
, sizeof(opblk
),
3364 resblk_va
, resblk_pa
, sizeof(u8
)*(8+buflen
));
3365 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(opblk
), opblk_va
, opblk_pa
);
3366 if (size
== -ETIME
) {
3367 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3368 resblk_va
, resblk_pa
);
3369 printk(KERN_WARNING
"%s: issue params failed; Timed out.\n", pHba
->name
);
3371 } else if (size
== -EINTR
) {
3372 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3373 resblk_va
, resblk_pa
);
3374 printk(KERN_WARNING
"%s: issue params failed; Interrupted.\n", pHba
->name
);
3378 memcpy(buf
, resblk_va
+8, buflen
); /* cut off header */
3380 dma_free_coherent(&pHba
->pDev
->dev
, sizeof(u8
) * (8+buflen
),
3381 resblk_va
, resblk_pa
);
3389 /* Issue UTIL_PARAMS_GET or UTIL_PARAMS_SET
3391 * This function can be used for all UtilParamsGet/Set operations.
3392 * The OperationBlock is given in opblk-buffer,
3393 * and results are returned in resblk-buffer.
3394 * Note that the minimum sized resblk is 8 bytes and contains
3395 * ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
3397 static int adpt_i2o_issue_params(int cmd
, adpt_hba
* pHba
, int tid
,
3398 void *opblk_va
, dma_addr_t opblk_pa
, int oplen
,
3399 void *resblk_va
, dma_addr_t resblk_pa
, int reslen
)
3402 u32
*res
= (u32
*)resblk_va
;
3405 msg
[0] = NINE_WORD_MSG_SIZE
| SGL_OFFSET_5
;
3406 msg
[1] = cmd
<< 24 | HOST_TID
<< 12 | tid
;
3410 msg
[5] = 0x54000000 | oplen
; /* OperationBlock */
3411 msg
[6] = (u32
)opblk_pa
;
3412 msg
[7] = 0xD0000000 | reslen
; /* ResultBlock */
3413 msg
[8] = (u32
)resblk_pa
;
3415 if ((wait_status
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 20))) {
3416 printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va
);
3417 return wait_status
; /* -DetailedStatus */
3420 if (res
[1]&0x00FF0000) { /* BlockStatus != SUCCESS */
3421 printk(KERN_WARNING
"%s: %s - Error:\n ErrorInfoSize = 0x%02x, "
3422 "BlockStatus = 0x%02x, BlockSize = 0x%04x\n",
3424 (cmd
== I2O_CMD_UTIL_PARAMS_SET
) ? "PARAMS_SET"
3426 res
[1]>>24, (res
[1]>>16)&0xFF, res
[1]&0xFFFF);
3427 return -((res
[1] >> 16) & 0xFF); /* -BlockStatus */
3430 return 4 + ((res
[1] & 0x0000FFFF) << 2); /* bytes used in resblk */
3434 static s32
adpt_i2o_quiesce_hba(adpt_hba
* pHba
)
3439 adpt_i2o_status_get(pHba
);
3441 /* SysQuiesce discarded if IOP not in READY or OPERATIONAL state */
3443 if((pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
) &&
3444 (pHba
->status_block
->iop_state
!= ADAPTER_STATE_OPERATIONAL
)){
3448 msg
[0] = FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3449 msg
[1] = I2O_CMD_SYS_QUIESCE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3453 if((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3454 printk(KERN_INFO
"dpti%d: Unable to quiesce (status=%#x).\n",
3457 printk(KERN_INFO
"dpti%d: Quiesced.\n",pHba
->unit
);
3460 adpt_i2o_status_get(pHba
);
3466 * Enable IOP. Allows the IOP to resume external operations.
3468 static int adpt_i2o_enable_hba(adpt_hba
* pHba
)
3473 adpt_i2o_status_get(pHba
);
3474 if(!pHba
->status_block
){
3477 /* Enable only allowed on READY state */
3478 if(pHba
->status_block
->iop_state
== ADAPTER_STATE_OPERATIONAL
)
3481 if(pHba
->status_block
->iop_state
!= ADAPTER_STATE_READY
)
3484 msg
[0]=FOUR_WORD_MSG_SIZE
|SGL_OFFSET_0
;
3485 msg
[1]=I2O_CMD_SYS_ENABLE
<<24|HOST_TID
<<12|ADAPTER_TID
;
3489 if ((ret
= adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 240))) {
3490 printk(KERN_WARNING
"%s: Could not enable (status=%#10x).\n",
3493 PDEBUG("%s: Enabled.\n", pHba
->name
);
3496 adpt_i2o_status_get(pHba
);
3501 static int adpt_i2o_systab_send(adpt_hba
* pHba
)
3506 msg
[0] = I2O_MESSAGE_SIZE(12) | SGL_OFFSET_6
;
3507 msg
[1] = I2O_CMD_SYS_TAB_SET
<<24 | HOST_TID
<<12 | ADAPTER_TID
;
3510 msg
[4] = (0<<16) | ((pHba
->unit
+2) << 12); /* Host 0 IOP ID (unit + 2) */
3511 msg
[5] = 0; /* Segment 0 */
3514 * Provide three SGL-elements:
3515 * System table (SysTab), Private memory space declaration and
3516 * Private i/o space declaration
3518 msg
[6] = 0x54000000 | sys_tbl_len
;
3519 msg
[7] = (u32
)sys_tbl_pa
;
3520 msg
[8] = 0x54000000 | 0;
3522 msg
[10] = 0xD4000000 | 0;
3525 if ((ret
=adpt_i2o_post_wait(pHba
, msg
, sizeof(msg
), 120))) {
3526 printk(KERN_INFO
"%s: Unable to set SysTab (status=%#10x).\n",
3531 PINFO("%s: SysTab set.\n", pHba
->name
);
3539 /*============================================================================
3541 *============================================================================
3547 static static void adpt_delay(int millisec
)
3550 for (i
= 0; i
< millisec
; i
++) {
3551 udelay(1000); /* delay for one millisecond */
3557 static struct scsi_host_template driver_template
= {
3558 .module
= THIS_MODULE
,
3560 .proc_name
= "dpt_i2o",
3561 .show_info
= adpt_show_info
,
3563 .queuecommand
= adpt_queue
,
3564 .eh_abort_handler
= adpt_abort
,
3565 .eh_device_reset_handler
= adpt_device_reset
,
3566 .eh_bus_reset_handler
= adpt_bus_reset
,
3567 .eh_host_reset_handler
= adpt_reset
,
3568 .bios_param
= adpt_bios_param
,
3569 .slave_configure
= adpt_slave_configure
,
3570 .can_queue
= MAX_TO_IOP_MESSAGES
,
3572 .use_clustering
= ENABLE_CLUSTERING
,
3575 static int __init
adpt_init(void)
3578 adpt_hba
*pHba
, *next
;
3580 printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION
"\n");
3582 error
= adpt_detect(&driver_template
);
3585 if (hba_chain
== NULL
)
3588 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
) {
3589 error
= scsi_add_host(pHba
->host
, &pHba
->pDev
->dev
);
3592 scsi_scan_host(pHba
->host
);
3596 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
3598 scsi_remove_host(pHba
->host
);
3603 static void __exit
adpt_exit(void)
3605 adpt_hba
*pHba
, *next
;
3607 for (pHba
= hba_chain
; pHba
; pHba
= pHba
->next
)
3608 scsi_remove_host(pHba
->host
);
3609 for (pHba
= hba_chain
; pHba
; pHba
= next
) {
3611 adpt_release(pHba
->host
);
3615 module_init(adpt_init
);
3616 module_exit(adpt_exit
);
3618 MODULE_LICENSE("GPL");