aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/arcmsr
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-15 19:51:54 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-15 19:51:54 -0400
commitbc06cffdec85d487c77109dffcd2f285bdc502d3 (patch)
treeadc6e6398243da87e66c56102840597a329183a0 /drivers/scsi/arcmsr
parentd3502d7f25b22cfc9762bf1781faa9db1bb3be2e (diff)
parent9413d7b8aa777dd1fc7db9563ce5e80d769fe7b5 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (166 commits) [SCSI] ibmvscsi: convert to use the data buffer accessors [SCSI] dc395x: convert to use the data buffer accessors [SCSI] ncr53c8xx: convert to use the data buffer accessors [SCSI] sym53c8xx: convert to use the data buffer accessors [SCSI] ppa: coding police and printk levels [SCSI] aic7xxx_old: remove redundant GFP_ATOMIC from kmalloc [SCSI] i2o: remove redundant GFP_ATOMIC from kmalloc from device.c [SCSI] remove the dead CYBERSTORMIII_SCSI option [SCSI] don't build scsi_dma_{map,unmap} for !HAS_DMA [SCSI] Clean up scsi_add_lun a bit [SCSI] 53c700: Remove printk, which triggers because of low scsi clock on SNI RMs [SCSI] sni_53c710: Cleanup [SCSI] qla4xxx: Fix underrun/overrun conditions [SCSI] megaraid_mbox: use mutex instead of semaphore [SCSI] aacraid: add 51245, 51645 and 52245 adapters to documentation. [SCSI] qla2xxx: update version to 8.02.00-k1. [SCSI] qla2xxx: add support for NPIV [SCSI] stex: use resid for xfer len information [SCSI] Add Brownie 1200U3P to blacklist [SCSI] scsi.c: convert to use the data buffer accessors ...
Diffstat (limited to 'drivers/scsi/arcmsr')
-rw-r--r--drivers/scsi/arcmsr/arcmsr.h4
-rw-r--r--drivers/scsi/arcmsr/arcmsr_hba.c559
2 files changed, 456 insertions, 107 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
index aff96db9ccf..f0b8bf4534f 100644
--- a/drivers/scsi/arcmsr/arcmsr.h
+++ b/drivers/scsi/arcmsr/arcmsr.h
@@ -48,9 +48,10 @@ struct class_device_attribute;
48 48
49#define ARCMSR_MAX_OUTSTANDING_CMD 256 49#define ARCMSR_MAX_OUTSTANDING_CMD 256
50#define ARCMSR_MAX_FREECCB_NUM 288 50#define ARCMSR_MAX_FREECCB_NUM 288
51#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.13" 51#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.14"
52#define ARCMSR_SCSI_INITIATOR_ID 255 52#define ARCMSR_SCSI_INITIATOR_ID 255
53#define ARCMSR_MAX_XFER_SECTORS 512 53#define ARCMSR_MAX_XFER_SECTORS 512
54#define ARCMSR_MAX_XFER_SECTORS_B 4096
54#define ARCMSR_MAX_TARGETID 17 55#define ARCMSR_MAX_TARGETID 17
55#define ARCMSR_MAX_TARGETLUN 8 56#define ARCMSR_MAX_TARGETLUN 8
56#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD 57#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD
@@ -469,4 +470,3 @@ extern void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb);
469extern struct class_device_attribute *arcmsr_host_attrs[]; 470extern struct class_device_attribute *arcmsr_host_attrs[];
470extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb); 471extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb);
471void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb); 472void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
472
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 8b46158cc04..0ddfc21e9f7 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -57,6 +57,7 @@
57#include <linux/dma-mapping.h> 57#include <linux/dma-mapping.h>
58#include <linux/timer.h> 58#include <linux/timer.h>
59#include <linux/pci.h> 59#include <linux/pci.h>
60#include <linux/aer.h>
60#include <asm/dma.h> 61#include <asm/dma.h>
61#include <asm/io.h> 62#include <asm/io.h>
62#include <asm/system.h> 63#include <asm/system.h>
@@ -71,7 +72,7 @@
71#include "arcmsr.h" 72#include "arcmsr.h"
72 73
73MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>"); 74MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>");
74MODULE_DESCRIPTION("ARECA (ARC11xx/12xx) SATA RAID HOST Adapter"); 75MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID HOST Adapter");
75MODULE_LICENSE("Dual BSD/GPL"); 76MODULE_LICENSE("Dual BSD/GPL");
76MODULE_VERSION(ARCMSR_DRIVER_VERSION); 77MODULE_VERSION(ARCMSR_DRIVER_VERSION);
77 78
@@ -93,7 +94,9 @@ static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb);
93static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb); 94static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb);
94static const char *arcmsr_info(struct Scsi_Host *); 95static const char *arcmsr_info(struct Scsi_Host *);
95static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); 96static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
96 97static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
98 pci_channel_state_t state);
99static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev);
97static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) 100static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth)
98{ 101{
99 if (queue_depth > ARCMSR_MAX_CMD_PERLUN) 102 if (queue_depth > ARCMSR_MAX_CMD_PERLUN)
@@ -104,7 +107,8 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_de
104 107
105static struct scsi_host_template arcmsr_scsi_host_template = { 108static struct scsi_host_template arcmsr_scsi_host_template = {
106 .module = THIS_MODULE, 109 .module = THIS_MODULE,
107 .name = "ARCMSR ARECA SATA RAID HOST Adapter" ARCMSR_DRIVER_VERSION, 110 .name = "ARCMSR ARECA SATA/SAS RAID HOST Adapter"
111 ARCMSR_DRIVER_VERSION,
108 .info = arcmsr_info, 112 .info = arcmsr_info,
109 .queuecommand = arcmsr_queue_command, 113 .queuecommand = arcmsr_queue_command,
110 .eh_abort_handler = arcmsr_abort, 114 .eh_abort_handler = arcmsr_abort,
@@ -119,6 +123,10 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
119 .use_clustering = ENABLE_CLUSTERING, 123 .use_clustering = ENABLE_CLUSTERING,
120 .shost_attrs = arcmsr_host_attrs, 124 .shost_attrs = arcmsr_host_attrs,
121}; 125};
126static struct pci_error_handlers arcmsr_pci_error_handlers = {
127 .error_detected = arcmsr_pci_error_detected,
128 .slot_reset = arcmsr_pci_slot_reset,
129};
122 130
123static struct pci_device_id arcmsr_device_id_table[] = { 131static struct pci_device_id arcmsr_device_id_table[] = {
124 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)}, 132 {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
@@ -144,7 +152,8 @@ static struct pci_driver arcmsr_pci_driver = {
144 .id_table = arcmsr_device_id_table, 152 .id_table = arcmsr_device_id_table,
145 .probe = arcmsr_probe, 153 .probe = arcmsr_probe,
146 .remove = arcmsr_remove, 154 .remove = arcmsr_remove,
147 .shutdown = arcmsr_shutdown 155 .shutdown = arcmsr_shutdown,
156 .err_handler = &arcmsr_pci_error_handlers,
148}; 157};
149 158
150static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id) 159static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
@@ -328,6 +337,8 @@ static int arcmsr_probe(struct pci_dev *pdev,
328 337
329 arcmsr_iop_init(acb); 338 arcmsr_iop_init(acb);
330 pci_set_drvdata(pdev, host); 339 pci_set_drvdata(pdev, host);
340 if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
341 host->max_sectors= ARCMSR_MAX_XFER_SECTORS_B;
331 342
332 error = scsi_add_host(host, &pdev->dev); 343 error = scsi_add_host(host, &pdev->dev);
333 if (error) 344 if (error)
@@ -338,6 +349,7 @@ static int arcmsr_probe(struct pci_dev *pdev,
338 goto out_free_sysfs; 349 goto out_free_sysfs;
339 350
340 scsi_scan_host(host); 351 scsi_scan_host(host);
352 pci_enable_pcie_error_reporting(pdev);
341 return 0; 353 return 0;
342 out_free_sysfs: 354 out_free_sysfs:
343 out_free_irq: 355 out_free_irq:
@@ -369,19 +381,9 @@ static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
369 381
370static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) 382static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
371{ 383{
372 struct AdapterControlBlock *acb = ccb->acb;
373 struct scsi_cmnd *pcmd = ccb->pcmd; 384 struct scsi_cmnd *pcmd = ccb->pcmd;
374 385
375 if (pcmd->use_sg != 0) { 386 scsi_dma_unmap(pcmd);
376 struct scatterlist *sl;
377
378 sl = (struct scatterlist *)pcmd->request_buffer;
379 pci_unmap_sg(acb->pdev, sl, pcmd->use_sg, pcmd->sc_data_direction);
380 }
381 else if (pcmd->request_bufflen != 0)
382 pci_unmap_single(acb->pdev,
383 pcmd->SCp.dma_handle,
384 pcmd->request_bufflen, pcmd->sc_data_direction);
385} 387}
386 388
387static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag) 389static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag)
@@ -498,7 +500,7 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
498 500
499static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) 501static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
500{ 502{
501 struct MessageUnit __iomem *reg=acb->pmu; 503 struct MessageUnit __iomem *reg = acb->pmu;
502 504
503 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0); 505 writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
504 if (arcmsr_wait_msgint_ready(acb)) 506 if (arcmsr_wait_msgint_ready(acb))
@@ -551,6 +553,7 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
551 int8_t *psge = (int8_t *)&arcmsr_cdb->u; 553 int8_t *psge = (int8_t *)&arcmsr_cdb->u;
552 uint32_t address_lo, address_hi; 554 uint32_t address_lo, address_hi;
553 int arccdbsize = 0x30; 555 int arccdbsize = 0x30;
556 int nseg;
554 557
555 ccb->pcmd = pcmd; 558 ccb->pcmd = pcmd;
556 memset(arcmsr_cdb, 0, sizeof (struct ARCMSR_CDB)); 559 memset(arcmsr_cdb, 0, sizeof (struct ARCMSR_CDB));
@@ -561,20 +564,20 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
561 arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len; 564 arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len;
562 arcmsr_cdb->Context = (unsigned long)arcmsr_cdb; 565 arcmsr_cdb->Context = (unsigned long)arcmsr_cdb;
563 memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); 566 memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
564 if (pcmd->use_sg) { 567
565 int length, sgcount, i, cdb_sgcount = 0; 568 nseg = scsi_dma_map(pcmd);
566 struct scatterlist *sl; 569 BUG_ON(nseg < 0);
567 570
568 /* Get Scatter Gather List from scsiport. */ 571 if (nseg) {
569 sl = (struct scatterlist *) pcmd->request_buffer; 572 int length, i, cdb_sgcount = 0;
570 sgcount = pci_map_sg(acb->pdev, sl, pcmd->use_sg, 573 struct scatterlist *sg;
571 pcmd->sc_data_direction); 574
572 /* map stor port SG list to our iop SG List. */ 575 /* map stor port SG list to our iop SG List. */
573 for (i = 0; i < sgcount; i++) { 576 scsi_for_each_sg(pcmd, sg, nseg, i) {
574 /* Get the physical address of the current data pointer */ 577 /* Get the physical address of the current data pointer */
575 length = cpu_to_le32(sg_dma_len(sl)); 578 length = cpu_to_le32(sg_dma_len(sg));
576 address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sl))); 579 address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg)));
577 address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sl))); 580 address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg)));
578 if (address_hi == 0) { 581 if (address_hi == 0) {
579 struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; 582 struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
580 583
@@ -591,32 +594,12 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
591 psge += sizeof (struct SG64ENTRY); 594 psge += sizeof (struct SG64ENTRY);
592 arccdbsize += sizeof (struct SG64ENTRY); 595 arccdbsize += sizeof (struct SG64ENTRY);
593 } 596 }
594 sl++;
595 cdb_sgcount++; 597 cdb_sgcount++;
596 } 598 }
597 arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount; 599 arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount;
598 arcmsr_cdb->DataLength = pcmd->request_bufflen; 600 arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
599 if ( arccdbsize > 256) 601 if ( arccdbsize > 256)
600 arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; 602 arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
601 } else if (pcmd->request_bufflen) {
602 dma_addr_t dma_addr;
603 dma_addr = pci_map_single(acb->pdev, pcmd->request_buffer,
604 pcmd->request_bufflen, pcmd->sc_data_direction);
605 pcmd->SCp.dma_handle = dma_addr;
606 address_lo = cpu_to_le32(dma_addr_lo32(dma_addr));
607 address_hi = cpu_to_le32(dma_addr_hi32(dma_addr));
608 if (address_hi == 0) {
609 struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
610 pdma_sg->address = address_lo;
611 pdma_sg->length = pcmd->request_bufflen;
612 } else {
613 struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
614 pdma_sg->addresshigh = address_hi;
615 pdma_sg->address = address_lo;
616 pdma_sg->length = pcmd->request_bufflen|IS_SG64_ADDR;
617 }
618 arcmsr_cdb->sgcount = 1;
619 arcmsr_cdb->DataLength = pcmd->request_bufflen;
620 } 603 }
621 if (pcmd->sc_data_direction == DMA_TO_DEVICE ) { 604 if (pcmd->sc_data_direction == DMA_TO_DEVICE ) {
622 arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE; 605 arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
@@ -747,7 +730,7 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
747 int id, lun; 730 int id, lun;
748 /* 731 /*
749 **************************************************************** 732 ****************************************************************
750 ** areca cdb command done 733 ** areca cdb command done
751 **************************************************************** 734 ****************************************************************
752 */ 735 */
753 while (1) { 736 while (1) {
@@ -758,20 +741,20 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
758 (flag_ccb << 5)); 741 (flag_ccb << 5));
759 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { 742 if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
760 if (ccb->startdone == ARCMSR_CCB_ABORTED) { 743 if (ccb->startdone == ARCMSR_CCB_ABORTED) {
761 struct scsi_cmnd *abortcmd=ccb->pcmd; 744 struct scsi_cmnd *abortcmd = ccb->pcmd;
762 if (abortcmd) { 745 if (abortcmd) {
763 abortcmd->result |= DID_ABORT >> 16; 746 abortcmd->result |= DID_ABORT >> 16;
764 arcmsr_ccb_complete(ccb, 1); 747 arcmsr_ccb_complete(ccb, 1);
765 printk(KERN_NOTICE 748 printk(KERN_NOTICE
766 "arcmsr%d: ccb='0x%p' isr got aborted command \n" 749 "arcmsr%d: ccb ='0x%p' isr got aborted command \n"
767 , acb->host->host_no, ccb); 750 , acb->host->host_no, ccb);
768 } 751 }
769 continue; 752 continue;
770 } 753 }
771 printk(KERN_NOTICE 754 printk(KERN_NOTICE
772 "arcmsr%d: isr get an illegal ccb command done acb='0x%p'" 755 "arcmsr%d: isr get an illegal ccb command done acb = '0x%p'"
773 "ccb='0x%p' ccbacb='0x%p' startdone = 0x%x" 756 "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x"
774 " ccboutstandingcount=%d \n" 757 " ccboutstandingcount = %d \n"
775 , acb->host->host_no 758 , acb->host->host_no
776 , acb 759 , acb
777 , ccb 760 , ccb
@@ -791,7 +774,7 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
791 switch(ccb->arcmsr_cdb.DeviceStatus) { 774 switch(ccb->arcmsr_cdb.DeviceStatus) {
792 case ARCMSR_DEV_SELECT_TIMEOUT: { 775 case ARCMSR_DEV_SELECT_TIMEOUT: {
793 acb->devstate[id][lun] = ARECA_RAID_GONE; 776 acb->devstate[id][lun] = ARECA_RAID_GONE;
794 ccb->pcmd->result = DID_TIME_OUT << 16; 777 ccb->pcmd->result = DID_NO_CONNECT << 16;
795 arcmsr_ccb_complete(ccb, 1); 778 arcmsr_ccb_complete(ccb, 1);
796 } 779 }
797 break; 780 break;
@@ -810,8 +793,8 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
810 break; 793 break;
811 default: 794 default:
812 printk(KERN_NOTICE 795 printk(KERN_NOTICE
813 "arcmsr%d: scsi id=%d lun=%d" 796 "arcmsr%d: scsi id = %d lun = %d"
814 " isr get command error done," 797 " isr get command error done, "
815 "but got unknown DeviceStatus = 0x%x \n" 798 "but got unknown DeviceStatus = 0x%x \n"
816 , acb->host->host_no 799 , acb->host->host_no
817 , id 800 , id
@@ -848,24 +831,21 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_
848 struct CMD_MESSAGE_FIELD *pcmdmessagefld; 831 struct CMD_MESSAGE_FIELD *pcmdmessagefld;
849 int retvalue = 0, transfer_len = 0; 832 int retvalue = 0, transfer_len = 0;
850 char *buffer; 833 char *buffer;
834 struct scatterlist *sg;
851 uint32_t controlcode = (uint32_t ) cmd->cmnd[5] << 24 | 835 uint32_t controlcode = (uint32_t ) cmd->cmnd[5] << 24 |
852 (uint32_t ) cmd->cmnd[6] << 16 | 836 (uint32_t ) cmd->cmnd[6] << 16 |
853 (uint32_t ) cmd->cmnd[7] << 8 | 837 (uint32_t ) cmd->cmnd[7] << 8 |
854 (uint32_t ) cmd->cmnd[8]; 838 (uint32_t ) cmd->cmnd[8];
855 /* 4 bytes: Areca io control code */ 839 /* 4 bytes: Areca io control code */
856 if (cmd->use_sg) {
857 struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
858 840
859 buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; 841 sg = scsi_sglist(cmd);
860 if (cmd->use_sg > 1) { 842 buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
861 retvalue = ARCMSR_MESSAGE_FAIL; 843 if (scsi_sg_count(cmd) > 1) {
862 goto message_out; 844 retvalue = ARCMSR_MESSAGE_FAIL;
863 } 845 goto message_out;
864 transfer_len += sg->length;
865 } else {
866 buffer = cmd->request_buffer;
867 transfer_len = cmd->request_bufflen;
868 } 846 }
847 transfer_len += sg->length;
848
869 if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) { 849 if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
870 retvalue = ARCMSR_MESSAGE_FAIL; 850 retvalue = ARCMSR_MESSAGE_FAIL;
871 goto message_out; 851 goto message_out;
@@ -1057,12 +1037,9 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_
1057 retvalue = ARCMSR_MESSAGE_FAIL; 1037 retvalue = ARCMSR_MESSAGE_FAIL;
1058 } 1038 }
1059 message_out: 1039 message_out:
1060 if (cmd->use_sg) { 1040 sg = scsi_sglist(cmd);
1061 struct scatterlist *sg; 1041 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1062 1042
1063 sg = (struct scatterlist *) cmd->request_buffer;
1064 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1065 }
1066 return retvalue; 1043 return retvalue;
1067} 1044}
1068 1045
@@ -1085,6 +1062,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
1085 case INQUIRY: { 1062 case INQUIRY: {
1086 unsigned char inqdata[36]; 1063 unsigned char inqdata[36];
1087 char *buffer; 1064 char *buffer;
1065 struct scatterlist *sg;
1088 1066
1089 if (cmd->device->lun) { 1067 if (cmd->device->lun) {
1090 cmd->result = (DID_TIME_OUT << 16); 1068 cmd->result = (DID_TIME_OUT << 16);
@@ -1096,7 +1074,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
1096 inqdata[1] = 0; 1074 inqdata[1] = 0;
1097 /* rem media bit & Dev Type Modifier */ 1075 /* rem media bit & Dev Type Modifier */
1098 inqdata[2] = 0; 1076 inqdata[2] = 0;
1099 /* ISO,ECMA,& ANSI versions */ 1077 /* ISO, ECMA, & ANSI versions */
1100 inqdata[4] = 31; 1078 inqdata[4] = 31;
1101 /* length of additional data */ 1079 /* length of additional data */
1102 strncpy(&inqdata[8], "Areca ", 8); 1080 strncpy(&inqdata[8], "Areca ", 8);
@@ -1104,21 +1082,14 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
1104 strncpy(&inqdata[16], "RAID controller ", 16); 1082 strncpy(&inqdata[16], "RAID controller ", 16);
1105 /* Product Identification */ 1083 /* Product Identification */
1106 strncpy(&inqdata[32], "R001", 4); /* Product Revision */ 1084 strncpy(&inqdata[32], "R001", 4); /* Product Revision */
1107 if (cmd->use_sg) {
1108 struct scatterlist *sg;
1109 1085
1110 sg = (struct scatterlist *) cmd->request_buffer; 1086 sg = scsi_sglist(cmd);
1111 buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; 1087 buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
1112 } else { 1088
1113 buffer = cmd->request_buffer;
1114 }
1115 memcpy(buffer, inqdata, sizeof(inqdata)); 1089 memcpy(buffer, inqdata, sizeof(inqdata));
1116 if (cmd->use_sg) { 1090 sg = scsi_sglist(cmd);
1117 struct scatterlist *sg; 1091 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1118 1092
1119 sg = (struct scatterlist *) cmd->request_buffer;
1120 kunmap_atomic(buffer - sg->offset, KM_IRQ0);
1121 }
1122 cmd->scsi_done(cmd); 1093 cmd->scsi_done(cmd);
1123 } 1094 }
1124 break; 1095 break;
@@ -1153,7 +1124,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
1153 , acb->host->host_no); 1124 , acb->host->host_no);
1154 return SCSI_MLQUEUE_HOST_BUSY; 1125 return SCSI_MLQUEUE_HOST_BUSY;
1155 } 1126 }
1156 if(target == 16) { 1127 if (target == 16) {
1157 /* virtual device for iop message transfer */ 1128 /* virtual device for iop message transfer */
1158 arcmsr_handle_virtual_command(acb, cmd); 1129 arcmsr_handle_virtual_command(acb, cmd);
1159 return 0; 1130 return 0;
@@ -1166,7 +1137,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
1166 printk(KERN_NOTICE 1137 printk(KERN_NOTICE
1167 "arcmsr%d: block 'read/write'" 1138 "arcmsr%d: block 'read/write'"
1168 "command with gone raid volume" 1139 "command with gone raid volume"
1169 " Cmd=%2x, TargetId=%d, Lun=%d \n" 1140 " Cmd = %2x, TargetId = %d, Lun = %d \n"
1170 , acb->host->host_no 1141 , acb->host->host_no
1171 , cmd->cmnd[0] 1142 , cmd->cmnd[0]
1172 , target, lun); 1143 , target, lun);
@@ -1257,7 +1228,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
1257 if ((ccb->startdone == ARCMSR_CCB_ABORTED) || 1228 if ((ccb->startdone == ARCMSR_CCB_ABORTED) ||
1258 (ccb == poll_ccb)) { 1229 (ccb == poll_ccb)) {
1259 printk(KERN_NOTICE 1230 printk(KERN_NOTICE
1260 "arcmsr%d: scsi id=%d lun=%d ccb='0x%p'" 1231 "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
1261 " poll command abort successfully \n" 1232 " poll command abort successfully \n"
1262 , acb->host->host_no 1233 , acb->host->host_no
1263 , ccb->pcmd->device->id 1234 , ccb->pcmd->device->id
@@ -1270,8 +1241,8 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
1270 } 1241 }
1271 printk(KERN_NOTICE 1242 printk(KERN_NOTICE
1272 "arcmsr%d: polling get an illegal ccb" 1243 "arcmsr%d: polling get an illegal ccb"
1273 " command done ccb='0x%p'" 1244 " command done ccb ='0x%p'"
1274 "ccboutstandingcount=%d \n" 1245 "ccboutstandingcount = %d \n"
1275 , acb->host->host_no 1246 , acb->host->host_no
1276 , ccb 1247 , ccb
1277 , atomic_read(&acb->ccboutstandingcount)); 1248 , atomic_read(&acb->ccboutstandingcount));
@@ -1288,7 +1259,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
1288 switch(ccb->arcmsr_cdb.DeviceStatus) { 1259 switch(ccb->arcmsr_cdb.DeviceStatus) {
1289 case ARCMSR_DEV_SELECT_TIMEOUT: { 1260 case ARCMSR_DEV_SELECT_TIMEOUT: {
1290 acb->devstate[id][lun] = ARECA_RAID_GONE; 1261 acb->devstate[id][lun] = ARECA_RAID_GONE;
1291 ccb->pcmd->result = DID_TIME_OUT << 16; 1262 ccb->pcmd->result = DID_NO_CONNECT << 16;
1292 arcmsr_ccb_complete(ccb, 1); 1263 arcmsr_ccb_complete(ccb, 1);
1293 } 1264 }
1294 break; 1265 break;
@@ -1307,7 +1278,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
1307 break; 1278 break;
1308 default: 1279 default:
1309 printk(KERN_NOTICE 1280 printk(KERN_NOTICE
1310 "arcmsr%d: scsi id=%d lun=%d" 1281 "arcmsr%d: scsi id = %d lun = %d"
1311 " polling and getting command error done" 1282 " polling and getting command error done"
1312 "but got unknown DeviceStatus = 0x%x \n" 1283 "but got unknown DeviceStatus = 0x%x \n"
1313 , acb->host->host_no 1284 , acb->host->host_no
@@ -1322,6 +1293,94 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
1322 } 1293 }
1323 } 1294 }
1324} 1295}
1296static void arcmsr_done4_abort_postqueue(struct AdapterControlBlock *acb)
1297{
1298 int i = 0, found = 0;
1299 int id, lun;
1300 uint32_t flag_ccb, outbound_intstatus;
1301 struct MessageUnit __iomem *reg = acb->pmu;
1302 struct CommandControlBlock *ccb;
1303 /*clear and abort all outbound posted Q*/
1304
1305 while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
1306(i++ < 256)){
1307 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset +
1308(flag_ccb << 5));
1309 if (ccb){
1310 if ((ccb->acb != acb)||(ccb->startdone != \
1311ARCMSR_CCB_START)){
1312 printk(KERN_NOTICE "arcmsr%d: polling get \
1313an illegal ccb" "command done ccb = '0x%p'""ccboutstandingcount = %d \n",
1314 acb->host->host_no, ccb,
1315 atomic_read(&acb->ccboutstandingcount));
1316 continue;
1317 }
1318
1319 id = ccb->pcmd->device->id;
1320 lun = ccb->pcmd->device->lun;
1321 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)){
1322 if (acb->devstate[id][lun] == ARECA_RAID_GONE)
1323 acb->devstate[id][lun] = ARECA_RAID_GOOD;
1324 ccb->pcmd->result = DID_OK << 16;
1325 arcmsr_ccb_complete(ccb, 1);
1326 }
1327 else {
1328 switch(ccb->arcmsr_cdb.DeviceStatus) {
1329 case ARCMSR_DEV_SELECT_TIMEOUT: {
1330 acb->devstate[id][lun] = ARECA_RAID_GONE;
1331 ccb->pcmd->result = DID_NO_CONNECT << 16;
1332 arcmsr_ccb_complete(ccb, 1);
1333 }
1334 break;
1335
1336 case ARCMSR_DEV_ABORTED:
1337
1338 case ARCMSR_DEV_INIT_FAIL: {
1339 acb->devstate[id][lun] =
1340 ARECA_RAID_GONE;
1341 ccb->pcmd->result =
1342 DID_BAD_TARGET << 16;
1343 arcmsr_ccb_complete(ccb, 1);
1344 }
1345 break;
1346
1347 case ARCMSR_DEV_CHECK_CONDITION: {
1348 acb->devstate[id][lun] =
1349 ARECA_RAID_GOOD;
1350 arcmsr_report_sense_info(ccb);
1351 arcmsr_ccb_complete(ccb, 1);
1352 }
1353 break;
1354
1355 default:
1356 printk(KERN_NOTICE
1357 "arcmsr%d: scsi id = %d \
1358 lun = %d""polling and \
1359 getting command error \
1360 done""but got unknown \
1361 DeviceStatus = 0x%x \n",
1362 acb->host->host_no, id,
1363 lun, ccb->arcmsr_cdb.DeviceStatus);
1364 acb->devstate[id][lun] =
1365 ARECA_RAID_GONE;
1366 ccb->pcmd->result =
1367 DID_BAD_TARGET << 16;
1368 arcmsr_ccb_complete(ccb, 1);
1369 break;
1370 }
1371 }
1372 found = 1;
1373 }
1374 }
1375 if (found){
1376 outbound_intstatus = readl(&reg->outbound_intstatus) & \
1377 acb->outbound_int_enable;
1378 writel(outbound_intstatus, &reg->outbound_intstatus);
1379 /*clear interrupt*/
1380 }
1381 return;
1382}
1383
1325 1384
1326static void arcmsr_iop_init(struct AdapterControlBlock *acb) 1385static void arcmsr_iop_init(struct AdapterControlBlock *acb)
1327{ 1386{
@@ -1355,7 +1414,6 @@ static void arcmsr_iop_init(struct AdapterControlBlock *acb)
1355 1414
1356static void arcmsr_iop_reset(struct AdapterControlBlock *acb) 1415static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
1357{ 1416{
1358 struct MessageUnit __iomem *reg = acb->pmu;
1359 struct CommandControlBlock *ccb; 1417 struct CommandControlBlock *ccb;
1360 uint32_t intmask_org; 1418 uint32_t intmask_org;
1361 int i = 0; 1419 int i = 0;
@@ -1368,21 +1426,17 @@ static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
1368 /* disable all outbound interrupt */ 1426 /* disable all outbound interrupt */
1369 intmask_org = arcmsr_disable_outbound_ints(acb); 1427 intmask_org = arcmsr_disable_outbound_ints(acb);
1370 /* clear all outbound posted Q */ 1428 /* clear all outbound posted Q */
1371 for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++) 1429 arcmsr_done4_abort_postqueue(acb);
1372 readl(&reg->outbound_queueport);
1373 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { 1430 for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
1374 ccb = acb->pccb_pool[i]; 1431 ccb = acb->pccb_pool[i];
1375 if ((ccb->startdone == ARCMSR_CCB_START) || 1432 if (ccb->startdone == ARCMSR_CCB_START) {
1376 (ccb->startdone == ARCMSR_CCB_ABORTED)) {
1377 ccb->startdone = ARCMSR_CCB_ABORTED; 1433 ccb->startdone = ARCMSR_CCB_ABORTED;
1378 ccb->pcmd->result = DID_ABORT << 16;
1379 arcmsr_ccb_complete(ccb, 1);
1380 } 1434 }
1381 } 1435 }
1382 /* enable all outbound interrupt */ 1436 /* enable all outbound interrupt */
1383 arcmsr_enable_outbound_ints(acb, intmask_org); 1437 arcmsr_enable_outbound_ints(acb, intmask_org);
1384 } 1438 }
1385 atomic_set(&acb->ccboutstandingcount, 0); 1439
1386} 1440}
1387 1441
1388static int arcmsr_bus_reset(struct scsi_cmnd *cmd) 1442static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
@@ -1428,10 +1482,9 @@ static int arcmsr_abort(struct scsi_cmnd *cmd)
1428 int i = 0; 1482 int i = 0;
1429 1483
1430 printk(KERN_NOTICE 1484 printk(KERN_NOTICE
1431 "arcmsr%d: abort device command of scsi id=%d lun=%d \n", 1485 "arcmsr%d: abort device command of scsi id = %d lun = %d \n",
1432 acb->host->host_no, cmd->device->id, cmd->device->lun); 1486 acb->host->host_no, cmd->device->id, cmd->device->lun);
1433 acb->num_aborts++; 1487 acb->num_aborts++;
1434
1435 /* 1488 /*
1436 ************************************************ 1489 ************************************************
1437 ** the all interrupt service routine is locked 1490 ** the all interrupt service routine is locked
@@ -1486,10 +1539,306 @@ static const char *arcmsr_info(struct Scsi_Host *host)
1486 type = "X-TYPE"; 1539 type = "X-TYPE";
1487 break; 1540 break;
1488 } 1541 }
1489 sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s", 1542 sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s",
1490 type, raid6 ? "( RAID6 capable)" : "", 1543 type, raid6 ? "( RAID6 capable)" : "",
1491 ARCMSR_DRIVER_VERSION); 1544 ARCMSR_DRIVER_VERSION);
1492 return buf; 1545 return buf;
1493} 1546}
1494 1547
1548static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev)
1549{
1550 struct Scsi_Host *host;
1551 struct AdapterControlBlock *acb;
1552 uint8_t bus, dev_fun;
1553 int error;
1554
1555 error = pci_enable_device(pdev);
1556 if (error)
1557 return PCI_ERS_RESULT_DISCONNECT;
1558 pci_set_master(pdev);
1559
1560 host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof \
1561(struct AdapterControlBlock));
1562 if (!host)
1563 return PCI_ERS_RESULT_DISCONNECT;
1564 acb = (struct AdapterControlBlock *)host->hostdata;
1565 memset(acb, 0, sizeof (struct AdapterControlBlock));
1566
1567 error = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
1568 if (error) {
1569 error = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1570 if (error) {
1571 printk(KERN_WARNING
1572 "scsi%d: No suitable DMA mask available\n",
1573 host->host_no);
1574 return PCI_ERS_RESULT_DISCONNECT;
1575 }
1576 }
1577 bus = pdev->bus->number;
1578 dev_fun = pdev->devfn;
1579 acb = (struct AdapterControlBlock *) host->hostdata;
1580 memset(acb, 0, sizeof(struct AdapterControlBlock));
1581 acb->pdev = pdev;
1582 acb->host = host;
1583 host->max_sectors = ARCMSR_MAX_XFER_SECTORS;
1584 host->max_lun = ARCMSR_MAX_TARGETLUN;
1585 host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/
1586 host->max_cmd_len = 16; /*this is issue of 64bit LBA, over 2T byte*/
1587 host->sg_tablesize = ARCMSR_MAX_SG_ENTRIES;
1588 host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
1589 host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
1590 host->this_id = ARCMSR_SCSI_INITIATOR_ID;
1591 host->unique_id = (bus << 8) | dev_fun;
1592 host->irq = pdev->irq;
1593 error = pci_request_regions(pdev, "arcmsr");
1594 if (error)
1595 return PCI_ERS_RESULT_DISCONNECT;
1596
1597 acb->pmu = ioremap(pci_resource_start(pdev, 0),
1598 pci_resource_len(pdev, 0));
1599 if (!acb->pmu) {
1600 printk(KERN_NOTICE "arcmsr%d: memory"
1601 " mapping region fail \n", acb->host->host_no);
1602 return PCI_ERS_RESULT_DISCONNECT;
1603 }
1604 acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
1605 ACB_F_MESSAGE_RQBUFFER_CLEARED |
1606 ACB_F_MESSAGE_WQBUFFER_READED);
1607 acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
1608 INIT_LIST_HEAD(&acb->ccb_free_list);
1609
1610 error = arcmsr_alloc_ccb_pool(acb);
1611 if (error)
1612 return PCI_ERS_RESULT_DISCONNECT;
1613
1614 error = request_irq(pdev->irq, arcmsr_do_interrupt,
1615 IRQF_DISABLED | IRQF_SHARED, "arcmsr", acb);
1616 if (error)
1617 return PCI_ERS_RESULT_DISCONNECT;
1618
1619 arcmsr_iop_init(acb);
1620 if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
1621 host->max_sectors = ARCMSR_MAX_XFER_SECTORS_B;
1622
1623 pci_set_drvdata(pdev, host);
1624
1625 error = scsi_add_host(host, &pdev->dev);
1626 if (error)
1627 return PCI_ERS_RESULT_DISCONNECT;
1628
1629 error = arcmsr_alloc_sysfs_attr(acb);
1630 if (error)
1631 return PCI_ERS_RESULT_DISCONNECT;
1632
1633 scsi_scan_host(host);
1634 return PCI_ERS_RESULT_RECOVERED;
1635}
1636
1637static void arcmsr_pci_ers_need_reset_forepart(struct pci_dev *pdev)
1638{
1639 struct Scsi_Host *host = pci_get_drvdata(pdev);
1640 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
1641 struct MessageUnit __iomem *reg = acb->pmu;
1642 struct CommandControlBlock *ccb;
1643 /*clear and abort all outbound posted Q*/
1644 int i = 0, found = 0;
1645 int id, lun;
1646 uint32_t flag_ccb, outbound_intstatus;
1647
1648 while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
1649 (i++ < 256)){
1650 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset
1651 + (flag_ccb << 5));
1652 if (ccb){
1653 if ((ccb->acb != acb)||(ccb->startdone !=
1654 ARCMSR_CCB_START)){
1655 printk(KERN_NOTICE "arcmsr%d: polling \
1656 get an illegal ccb"" command done ccb = '0x%p'"
1657 "ccboutstandingcount = %d \n",
1658 acb->host->host_no, ccb,
1659 atomic_read(&acb->ccboutstandingcount));
1660 continue;
1661 }
1495 1662
1663 id = ccb->pcmd->device->id;
1664 lun = ccb->pcmd->device->lun;
1665 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
1666 if (acb->devstate[id][lun] ==
1667 ARECA_RAID_GONE)
1668 acb->devstate[id][lun] =
1669 ARECA_RAID_GOOD;
1670 ccb->pcmd->result = DID_OK << 16;
1671 arcmsr_ccb_complete(ccb, 1);
1672 }
1673 else {
1674 switch(ccb->arcmsr_cdb.DeviceStatus) {
1675 case ARCMSR_DEV_SELECT_TIMEOUT: {
1676 acb->devstate[id][lun] =
1677 ARECA_RAID_GONE;
1678 ccb->pcmd->result =
1679 DID_NO_CONNECT << 16;
1680 arcmsr_ccb_complete(ccb, 1);
1681 }
1682 break;
1683
1684 case ARCMSR_DEV_ABORTED:
1685
1686 case ARCMSR_DEV_INIT_FAIL: {
1687 acb->devstate[id][lun] =
1688 ARECA_RAID_GONE;
1689 ccb->pcmd->result =
1690 DID_BAD_TARGET << 16;
1691 arcmsr_ccb_complete(ccb, 1);
1692 }
1693 break;
1694
1695 case ARCMSR_DEV_CHECK_CONDITION: {
1696 acb->devstate[id][lun] =
1697 ARECA_RAID_GOOD;
1698 arcmsr_report_sense_info(ccb);
1699 arcmsr_ccb_complete(ccb, 1);
1700 }
1701 break;
1702
1703 default:
1704 printk(KERN_NOTICE
1705 "arcmsr%d: scsi \
1706 id = %d lun = %d"
1707 " polling and \
1708 getting command \
1709 error done"
1710 "but got unknown \
1711 DeviceStatus = 0x%x \n"
1712 , acb->host->host_no,
1713 id, lun,
1714 ccb->arcmsr_cdb.DeviceStatus);
1715 acb->devstate[id][lun] =
1716 ARECA_RAID_GONE;
1717 ccb->pcmd->result =
1718 DID_BAD_TARGET << 16;
1719 arcmsr_ccb_complete(ccb, 1);
1720 break;
1721 }
1722 }
1723 found = 1;
1724 }
1725 }
1726 if (found){
1727 outbound_intstatus = readl(&reg->outbound_intstatus) &
1728 acb->outbound_int_enable;
1729 writel(outbound_intstatus, &reg->outbound_intstatus);
1730 /*clear interrupt*/
1731 }
1732 return;
1733}
1734
1735
1736static void arcmsr_pci_ers_disconnect_forepart(struct pci_dev *pdev)
1737{
1738 struct Scsi_Host *host = pci_get_drvdata(pdev);
1739 struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
1740 struct MessageUnit __iomem *reg = acb->pmu;
1741 struct CommandControlBlock *ccb;
1742 /*clear and abort all outbound posted Q*/
1743 int i = 0, found = 0;
1744 int id, lun;
1745 uint32_t flag_ccb, outbound_intstatus;
1746
1747 while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
1748 (i++ < 256)){
1749 ccb = (struct CommandControlBlock *)(acb->vir2phy_offset +
1750 (flag_ccb << 5));
1751 if (ccb){
1752 if ((ccb->acb != acb)||(ccb->startdone !=
1753 ARCMSR_CCB_START)){
1754 printk(KERN_NOTICE
1755 "arcmsr%d: polling get an illegal ccb"
1756 " command done ccb = '0x%p'"
1757 "ccboutstandingcount = %d \n",
1758 acb->host->host_no, ccb,
1759 atomic_read(&acb->ccboutstandingcount));
1760 continue;
1761 }
1762
1763 id = ccb->pcmd->device->id;
1764 lun = ccb->pcmd->device->lun;
1765 if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
1766 if (acb->devstate[id][lun] == ARECA_RAID_GONE)
1767 acb->devstate[id][lun] = ARECA_RAID_GOOD;
1768 ccb->pcmd->result = DID_OK << 16;
1769 arcmsr_ccb_complete(ccb, 1);
1770 }
1771 else {
1772 switch(ccb->arcmsr_cdb.DeviceStatus) {
1773 case ARCMSR_DEV_SELECT_TIMEOUT: {
1774 acb->devstate[id][lun] =
1775 ARECA_RAID_GONE;
1776 ccb->pcmd->result =
1777 DID_NO_CONNECT << 16;
1778 arcmsr_ccb_complete(ccb, 1);
1779 }
1780 break;
1781
1782 case ARCMSR_DEV_ABORTED:
1783
1784 case ARCMSR_DEV_INIT_FAIL: {
1785 acb->devstate[id][lun] =
1786 ARECA_RAID_GONE;
1787 ccb->pcmd->result =
1788 DID_BAD_TARGET << 16;
1789 arcmsr_ccb_complete(ccb, 1);
1790 }
1791 break;
1792
1793 case ARCMSR_DEV_CHECK_CONDITION: {
1794 acb->devstate[id][lun] =
1795 ARECA_RAID_GOOD;
1796 arcmsr_report_sense_info(ccb);
1797 arcmsr_ccb_complete(ccb, 1);
1798 }
1799 break;
1800
1801 default:
1802 printk(KERN_NOTICE "arcmsr%d: \
1803 scsi id = %d lun = %d"
1804 " polling and \
1805 getting command error done"
1806 "but got unknown \
1807 DeviceStatus = 0x%x \n"
1808 , acb->host->host_no,
1809 id, lun, ccb->arcmsr_cdb.DeviceStatus);
1810 acb->devstate[id][lun] =
1811 ARECA_RAID_GONE;
1812 ccb->pcmd->result =
1813 DID_BAD_TARGET << 16;
1814 arcmsr_ccb_complete(ccb, 1);
1815 break;
1816 }
1817 }
1818 found = 1;
1819 }
1820 }
1821 if (found){
1822 outbound_intstatus = readl(&reg->outbound_intstatus) &
1823 acb->outbound_int_enable;
1824 writel(outbound_intstatus, &reg->outbound_intstatus);
1825 /*clear interrupt*/
1826 }
1827 return;
1828}
1829
1830static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
1831 pci_channel_state_t state)
1832{
1833 switch (state) {
1834 case pci_channel_io_frozen:
1835 arcmsr_pci_ers_need_reset_forepart(pdev);
1836 return PCI_ERS_RESULT_NEED_RESET;
1837 case pci_channel_io_perm_failure:
1838 arcmsr_pci_ers_disconnect_forepart(pdev);
1839 return PCI_ERS_RESULT_DISCONNECT;
1840 break;
1841 default:
1842 return PCI_ERS_RESULT_NEED_RESET;
1843 }
1844}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-24 17:12:18 -0500