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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;
#define ARCMSR_MAX_OUTSTANDING_CMD 256
#define ARCMSR_MAX_FREECCB_NUM 288
-#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.13"
+#define ARCMSR_DRIVER_VERSION "Driver Version 1.20.00.14"
#define ARCMSR_SCSI_INITIATOR_ID 255
#define ARCMSR_MAX_XFER_SECTORS 512
+#define ARCMSR_MAX_XFER_SECTORS_B 4096
#define ARCMSR_MAX_TARGETID 17
#define ARCMSR_MAX_TARGETLUN 8
#define ARCMSR_MAX_CMD_PERLUN ARCMSR_MAX_OUTSTANDING_CMD
@@ -469,4 +470,3 @@ extern void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb);
extern struct class_device_attribute *arcmsr_host_attrs[];
extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *acb);
void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);
-
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 @@
#include <linux/dma-mapping.h>
#include <linux/timer.h>
#include <linux/pci.h>
+#include <linux/aer.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/system.h>
@@ -71,7 +72,7 @@
#include "arcmsr.h"
MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>");
-MODULE_DESCRIPTION("ARECA (ARC11xx/12xx) SATA RAID HOST Adapter");
+MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID HOST Adapter");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(ARCMSR_DRIVER_VERSION);
@@ -93,7 +94,9 @@ static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb);
static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
-
+static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
+ pci_channel_state_t state);
+static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev);
static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth)
{
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
static struct scsi_host_template arcmsr_scsi_host_template = {
.module = THIS_MODULE,
- .name = "ARCMSR ARECA SATA RAID HOST Adapter" ARCMSR_DRIVER_VERSION,
+ .name = "ARCMSR ARECA SATA/SAS RAID HOST Adapter"
+ ARCMSR_DRIVER_VERSION,
.info = arcmsr_info,
.queuecommand = arcmsr_queue_command,
.eh_abort_handler = arcmsr_abort,
@@ -119,6 +123,10 @@ static struct scsi_host_template arcmsr_scsi_host_template = {
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
};
+static struct pci_error_handlers arcmsr_pci_error_handlers = {
+ .error_detected = arcmsr_pci_error_detected,
+ .slot_reset = arcmsr_pci_slot_reset,
+};
static struct pci_device_id arcmsr_device_id_table[] = {
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)},
@@ -144,7 +152,8 @@ static struct pci_driver arcmsr_pci_driver = {
.id_table = arcmsr_device_id_table,
.probe = arcmsr_probe,
.remove = arcmsr_remove,
- .shutdown = arcmsr_shutdown
+ .shutdown = arcmsr_shutdown,
+ .err_handler = &arcmsr_pci_error_handlers,
};
static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
@@ -328,6 +337,8 @@ static int arcmsr_probe(struct pci_dev *pdev,
arcmsr_iop_init(acb);
pci_set_drvdata(pdev, host);
+ if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
+ host->max_sectors= ARCMSR_MAX_XFER_SECTORS_B;
error = scsi_add_host(host, &pdev->dev);
if (error)
@@ -338,6 +349,7 @@ static int arcmsr_probe(struct pci_dev *pdev,
goto out_free_sysfs;
scsi_scan_host(host);
+ pci_enable_pcie_error_reporting(pdev);
return 0;
out_free_sysfs:
out_free_irq:
@@ -369,19 +381,9 @@ static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
{
- struct AdapterControlBlock *acb = ccb->acb;
struct scsi_cmnd *pcmd = ccb->pcmd;
- if (pcmd->use_sg != 0) {
- struct scatterlist *sl;
-
- sl = (struct scatterlist *)pcmd->request_buffer;
- pci_unmap_sg(acb->pdev, sl, pcmd->use_sg, pcmd->sc_data_direction);
- }
- else if (pcmd->request_bufflen != 0)
- pci_unmap_single(acb->pdev,
- pcmd->SCp.dma_handle,
- pcmd->request_bufflen, pcmd->sc_data_direction);
+ scsi_dma_unmap(pcmd);
}
static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag)
@@ -498,7 +500,7 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{
- struct MessageUnit __iomem *reg=acb->pmu;
+ struct MessageUnit __iomem *reg = acb->pmu;
writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, &reg->inbound_msgaddr0);
if (arcmsr_wait_msgint_ready(acb))
@@ -551,6 +553,7 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
int8_t *psge = (int8_t *)&arcmsr_cdb->u;
uint32_t address_lo, address_hi;
int arccdbsize = 0x30;
+ int nseg;
ccb->pcmd = pcmd;
memset(arcmsr_cdb, 0, sizeof (struct ARCMSR_CDB));
@@ -561,20 +564,20 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len;
arcmsr_cdb->Context = (unsigned long)arcmsr_cdb;
memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
- if (pcmd->use_sg) {
- int length, sgcount, i, cdb_sgcount = 0;
- struct scatterlist *sl;
-
- /* Get Scatter Gather List from scsiport. */
- sl = (struct scatterlist *) pcmd->request_buffer;
- sgcount = pci_map_sg(acb->pdev, sl, pcmd->use_sg,
- pcmd->sc_data_direction);
+
+ nseg = scsi_dma_map(pcmd);
+ BUG_ON(nseg < 0);
+
+ if (nseg) {
+ int length, i, cdb_sgcount = 0;
+ struct scatterlist *sg;
+
/* map stor port SG list to our iop SG List. */
- for (i = 0; i < sgcount; i++) {
+ scsi_for_each_sg(pcmd, sg, nseg, i) {
/* Get the physical address of the current data pointer */
- length = cpu_to_le32(sg_dma_len(sl));
- address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sl)));
- address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sl)));
+ length = cpu_to_le32(sg_dma_len(sg));
+ address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg)));
+ address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg)));
if (address_hi == 0) {
struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
@@ -591,32 +594,12 @@ static void arcmsr_build_ccb(struct AdapterControlBlock *acb,
psge += sizeof (struct SG64ENTRY);
arccdbsize += sizeof (struct SG64ENTRY);
}
- sl++;
cdb_sgcount++;
}
arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount;
- arcmsr_cdb->DataLength = pcmd->request_bufflen;
+ arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
if ( arccdbsize > 256)
arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
- } else if (pcmd->request_bufflen) {
- dma_addr_t dma_addr;
- dma_addr = pci_map_single(acb->pdev, pcmd->request_buffer,
- pcmd->request_bufflen, pcmd->sc_data_direction);
- pcmd->SCp.dma_handle = dma_addr;
- address_lo = cpu_to_le32(dma_addr_lo32(dma_addr));
- address_hi = cpu_to_le32(dma_addr_hi32(dma_addr));
- if (address_hi == 0) {
- struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge;
- pdma_sg->address = address_lo;
- pdma_sg->length = pcmd->request_bufflen;
- } else {
- struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
- pdma_sg->addresshigh = address_hi;
- pdma_sg->address = address_lo;
- pdma_sg->length = pcmd->request_bufflen|IS_SG64_ADDR;
- }
- arcmsr_cdb->sgcount = 1;
- arcmsr_cdb->DataLength = pcmd->request_bufflen;
}
if (pcmd->sc_data_direction == DMA_TO_DEVICE ) {
arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
@@ -747,7 +730,7 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
int id, lun;
/*
****************************************************************
- ** areca cdb command done
+ ** areca cdb command done
****************************************************************
*/
while (1) {
@@ -758,20 +741,20 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
(flag_ccb << 5));
if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
if (ccb->startdone == ARCMSR_CCB_ABORTED) {
- struct scsi_cmnd *abortcmd=ccb->pcmd;
+ struct scsi_cmnd *abortcmd = ccb->pcmd;
if (abortcmd) {
abortcmd->result |= DID_ABORT >> 16;
arcmsr_ccb_complete(ccb, 1);
printk(KERN_NOTICE
- "arcmsr%d: ccb='0x%p' isr got aborted command \n"
+ "arcmsr%d: ccb ='0x%p' isr got aborted command \n"
, acb->host->host_no, ccb);
}
continue;
}
printk(KERN_NOTICE
- "arcmsr%d: isr get an illegal ccb command done acb='0x%p'"
- "ccb='0x%p' ccbacb='0x%p' startdone = 0x%x"
- " ccboutstandingcount=%d \n"
+ "arcmsr%d: isr get an illegal ccb command done acb = '0x%p'"
+ "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x"
+ " ccboutstandingcount = %d \n"
, acb->host->host_no
, acb
, ccb
@@ -791,7 +774,7 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
switch(ccb->arcmsr_cdb.DeviceStatus) {
case ARCMSR_DEV_SELECT_TIMEOUT: {
acb->devstate[id][lun] = ARECA_RAID_GONE;
- ccb->pcmd->result = DID_TIME_OUT << 16;
+ ccb->pcmd->result = DID_NO_CONNECT << 16;
arcmsr_ccb_complete(ccb, 1);
}
break;
@@ -810,8 +793,8 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
break;
default:
printk(KERN_NOTICE
- "arcmsr%d: scsi id=%d lun=%d"
- " isr get command error done,"
+ "arcmsr%d: scsi id = %d lun = %d"
+ " isr get command error done, "
"but got unknown DeviceStatus = 0x%x \n"
, acb->host->host_no
, id
@@ -848,24 +831,21 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_
struct CMD_MESSAGE_FIELD *pcmdmessagefld;
int retvalue = 0, transfer_len = 0;
char *buffer;
+ struct scatterlist *sg;
uint32_t controlcode = (uint32_t ) cmd->cmnd[5] << 24 |
(uint32_t ) cmd->cmnd[6] << 16 |
(uint32_t ) cmd->cmnd[7] << 8 |
(uint32_t ) cmd->cmnd[8];
/* 4 bytes: Areca io control code */
- if (cmd->use_sg) {
- struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
- buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
- if (cmd->use_sg > 1) {
- retvalue = ARCMSR_MESSAGE_FAIL;
- goto message_out;
- }
- transfer_len += sg->length;
- } else {
- buffer = cmd->request_buffer;
- transfer_len = cmd->request_bufflen;
+ sg = scsi_sglist(cmd);
+ buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+ if (scsi_sg_count(cmd) > 1) {
+ retvalue = ARCMSR_MESSAGE_FAIL;
+ goto message_out;
}
+ transfer_len += sg->length;
+
if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) {
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
@@ -1057,12 +1037,9 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_
retvalue = ARCMSR_MESSAGE_FAIL;
}
message_out:
- if (cmd->use_sg) {
- struct scatterlist *sg;
+ sg = scsi_sglist(cmd);
+ kunmap_atomic(buffer - sg->offset, KM_IRQ0);
- sg = (struct scatterlist *) cmd->request_buffer;
- kunmap_atomic(buffer - sg->offset, KM_IRQ0);
- }
return retvalue;
}
@@ -1085,6 +1062,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
case INQUIRY: {
unsigned char inqdata[36];
char *buffer;
+ struct scatterlist *sg;
if (cmd->device->lun) {
cmd->result = (DID_TIME_OUT << 16);
@@ -1096,7 +1074,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
inqdata[1] = 0;
/* rem media bit & Dev Type Modifier */
inqdata[2] = 0;
- /* ISO,ECMA,& ANSI versions */
+ /* ISO, ECMA, & ANSI versions */
inqdata[4] = 31;
/* length of additional data */
strncpy(&inqdata[8], "Areca ", 8);
@@ -1104,21 +1082,14 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb,
strncpy(&inqdata[16], "RAID controller ", 16);
/* Product Identification */
strncpy(&inqdata[32], "R001", 4); /* Product Revision */
- if (cmd->use_sg) {
- struct scatterlist *sg;
- sg = (struct scatterlist *) cmd->request_buffer;
- buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
- } else {
- buffer = cmd->request_buffer;
- }
+ sg = scsi_sglist(cmd);
+ buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+
memcpy(buffer, inqdata, sizeof(inqdata));
- if (cmd->use_sg) {
- struct scatterlist *sg;
+ sg = scsi_sglist(cmd);
+ kunmap_atomic(buffer - sg->offset, KM_IRQ0);
- sg = (struct scatterlist *) cmd->request_buffer;
- kunmap_atomic(buffer - sg->offset, KM_IRQ0);
- }
cmd->scsi_done(cmd);
}
break;
@@ -1153,7 +1124,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
, acb->host->host_no);
return SCSI_MLQUEUE_HOST_BUSY;
}
- if(target == 16) {
+ if (target == 16) {
/* virtual device for iop message transfer */
arcmsr_handle_virtual_command(acb, cmd);
return 0;
@@ -1166,7 +1137,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
printk(KERN_NOTICE
"arcmsr%d: block 'read/write'"
"command with gone raid volume"
- " Cmd=%2x, TargetId=%d, Lun=%d \n"
+ " Cmd = %2x, TargetId = %d, Lun = %d \n"
, acb->host->host_no
, cmd->cmnd[0]
, target, lun);
@@ -1257,7 +1228,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
if ((ccb->startdone == ARCMSR_CCB_ABORTED) ||
(ccb == poll_ccb)) {
printk(KERN_NOTICE
- "arcmsr%d: scsi id=%d lun=%d ccb='0x%p'"
+ "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
" poll command abort successfully \n"
, acb->host->host_no
, ccb->pcmd->device->id
@@ -1270,8 +1241,8 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
}
printk(KERN_NOTICE
"arcmsr%d: polling get an illegal ccb"
- " command done ccb='0x%p'"
- "ccboutstandingcount=%d \n"
+ " command done ccb ='0x%p'"
+ "ccboutstandingcount = %d \n"
, acb->host->host_no
, ccb
, atomic_read(&acb->ccboutstandingcount));
@@ -1288,7 +1259,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
switch(ccb->arcmsr_cdb.DeviceStatus) {
case ARCMSR_DEV_SELECT_TIMEOUT: {
acb->devstate[id][lun] = ARECA_RAID_GONE;
- ccb->pcmd->result = DID_TIME_OUT << 16;
+ ccb->pcmd->result = DID_NO_CONNECT << 16;
arcmsr_ccb_complete(ccb, 1);
}
break;
@@ -1307,7 +1278,7 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
break;
default:
printk(KERN_NOTICE
- "arcmsr%d: scsi id=%d lun=%d"
+ "arcmsr%d: scsi id = %d lun = %d"
" polling and getting command error done"
"but got unknown DeviceStatus = 0x%x \n"
, acb->host->host_no
@@ -1322,6 +1293,94 @@ static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
}
}
}
+static void arcmsr_done4_abort_postqueue(struct AdapterControlBlock *acb)
+{
+ int i = 0, found = 0;
+ int id, lun;
+ uint32_t flag_ccb, outbound_intstatus;
+ struct MessageUnit __iomem *reg = acb->pmu;
+ struct CommandControlBlock *ccb;
+ /*clear and abort all outbound posted Q*/
+
+ while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
+(i++ < 256)){
+ ccb = (struct CommandControlBlock *)(acb->vir2phy_offset +
+(flag_ccb << 5));
+ if (ccb){
+ if ((ccb->acb != acb)||(ccb->startdone != \
+ARCMSR_CCB_START)){
+ printk(KERN_NOTICE "arcmsr%d: polling get \
+an illegal ccb" "command done ccb = '0x%p'""ccboutstandingcount = %d \n",
+ acb->host->host_no, ccb,
+ atomic_read(&acb->ccboutstandingcount));
+ continue;
+ }
+
+ id = ccb->pcmd->device->id;
+ lun = ccb->pcmd->device->lun;
+ if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)){
+ if (acb->devstate[id][lun] == ARECA_RAID_GONE)
+ acb->devstate[id][lun] = ARECA_RAID_GOOD;
+ ccb->pcmd->result = DID_OK << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ else {
+ switch(ccb->arcmsr_cdb.DeviceStatus) {
+ case ARCMSR_DEV_SELECT_TIMEOUT: {
+ acb->devstate[id][lun] = ARECA_RAID_GONE;
+ ccb->pcmd->result = DID_NO_CONNECT << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ case ARCMSR_DEV_ABORTED:
+
+ case ARCMSR_DEV_INIT_FAIL: {
+ acb->devstate[id][lun] =
+ ARECA_RAID_GONE;
+ ccb->pcmd->result =
+ DID_BAD_TARGET << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ case ARCMSR_DEV_CHECK_CONDITION: {
+ acb->devstate[id][lun] =
+ ARECA_RAID_GOOD;
+ arcmsr_report_sense_info(ccb);
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ default:
+ printk(KERN_NOTICE
+ "arcmsr%d: scsi id = %d \
+ lun = %d""polling and \
+ getting command error \
+ done""but got unknown \
+ DeviceStatus = 0x%x \n",
+ acb->host->host_no, id,
+ lun, ccb->arcmsr_cdb.DeviceStatus);
+ acb->devstate[id][lun] =
+ ARECA_RAID_GONE;
+ ccb->pcmd->result =
+ DID_BAD_TARGET << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ break;
+ }
+ }
+ found = 1;
+ }
+ }
+ if (found){
+ outbound_intstatus = readl(&reg->outbound_intstatus) & \
+ acb->outbound_int_enable;
+ writel(outbound_intstatus, &reg->outbound_intstatus);
+ /*clear interrupt*/
+ }
+ return;
+}
+
static void arcmsr_iop_init(struct AdapterControlBlock *acb)
{
@@ -1355,7 +1414,6 @@ static void arcmsr_iop_init(struct AdapterControlBlock *acb)
static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
{
- struct MessageUnit __iomem *reg = acb->pmu;
struct CommandControlBlock *ccb;
uint32_t intmask_org;
int i = 0;
@@ -1368,21 +1426,17 @@ static void arcmsr_iop_reset(struct AdapterControlBlock *acb)
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
/* clear all outbound posted Q */
- for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++)
- readl(&reg->outbound_queueport);
+ arcmsr_done4_abort_postqueue(acb);
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
ccb = acb->pccb_pool[i];
- if ((ccb->startdone == ARCMSR_CCB_START) ||
- (ccb->startdone == ARCMSR_CCB_ABORTED)) {
+ if (ccb->startdone == ARCMSR_CCB_START) {
ccb->startdone = ARCMSR_CCB_ABORTED;
- ccb->pcmd->result = DID_ABORT << 16;
- arcmsr_ccb_complete(ccb, 1);
}
}
/* enable all outbound interrupt */
arcmsr_enable_outbound_ints(acb, intmask_org);
}
- atomic_set(&acb->ccboutstandingcount, 0);
+
}
static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
@@ -1428,10 +1482,9 @@ static int arcmsr_abort(struct scsi_cmnd *cmd)
int i = 0;
printk(KERN_NOTICE
- "arcmsr%d: abort device command of scsi id=%d lun=%d \n",
+ "arcmsr%d: abort device command of scsi id = %d lun = %d \n",
acb->host->host_no, cmd->device->id, cmd->device->lun);
acb->num_aborts++;
-
/*
************************************************
** the all interrupt service routine is locked
@@ -1486,10 +1539,306 @@ static const char *arcmsr_info(struct Scsi_Host *host)
type = "X-TYPE";
break;
}
- sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s",
+ sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s",
type, raid6 ? "( RAID6 capable)" : "",
ARCMSR_DRIVER_VERSION);
return buf;
}
+static pci_ers_result_t arcmsr_pci_slot_reset(struct pci_dev *pdev)
+{
+ struct Scsi_Host *host;
+ struct AdapterControlBlock *acb;
+ uint8_t bus, dev_fun;
+ int error;
+
+ error = pci_enable_device(pdev);
+ if (error)
+ return PCI_ERS_RESULT_DISCONNECT;
+ pci_set_master(pdev);
+
+ host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof \
+(struct AdapterControlBlock));
+ if (!host)
+ return PCI_ERS_RESULT_DISCONNECT;
+ acb = (struct AdapterControlBlock *)host->hostdata;
+ memset(acb, 0, sizeof (struct AdapterControlBlock));
+
+ error = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+ if (error) {
+ error = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ if (error) {
+ printk(KERN_WARNING
+ "scsi%d: No suitable DMA mask available\n",
+ host->host_no);
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+ }
+ bus = pdev->bus->number;
+ dev_fun = pdev->devfn;
+ acb = (struct AdapterControlBlock *) host->hostdata;
+ memset(acb, 0, sizeof(struct AdapterControlBlock));
+ acb->pdev = pdev;
+ acb->host = host;
+ host->max_sectors = ARCMSR_MAX_XFER_SECTORS;
+ host->max_lun = ARCMSR_MAX_TARGETLUN;
+ host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/
+ host->max_cmd_len = 16; /*this is issue of 64bit LBA, over 2T byte*/
+ host->sg_tablesize = ARCMSR_MAX_SG_ENTRIES;
+ host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
+ host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
+ host->this_id = ARCMSR_SCSI_INITIATOR_ID;
+ host->unique_id = (bus << 8) | dev_fun;
+ host->irq = pdev->irq;
+ error = pci_request_regions(pdev, "arcmsr");
+ if (error)
+ return PCI_ERS_RESULT_DISCONNECT;
+
+ acb->pmu = ioremap(pci_resource_start(pdev, 0),
+ pci_resource_len(pdev, 0));
+ if (!acb->pmu) {
+ printk(KERN_NOTICE "arcmsr%d: memory"
+ " mapping region fail \n", acb->host->host_no);
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+ acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
+ ACB_F_MESSAGE_RQBUFFER_CLEARED |
+ ACB_F_MESSAGE_WQBUFFER_READED);
+ acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
+ INIT_LIST_HEAD(&acb->ccb_free_list);
+
+ error = arcmsr_alloc_ccb_pool(acb);
+ if (error)
+ return PCI_ERS_RESULT_DISCONNECT;
+
+ error = request_irq(pdev->irq, arcmsr_do_interrupt,
+ IRQF_DISABLED | IRQF_SHARED, "arcmsr", acb);
+ if (error)
+ return PCI_ERS_RESULT_DISCONNECT;
+
+ arcmsr_iop_init(acb);
+ if (strncmp(acb->firm_version, "V1.42", 5) >= 0)
+ host->max_sectors = ARCMSR_MAX_XFER_SECTORS_B;
+
+ pci_set_drvdata(pdev, host);
+
+ error = scsi_add_host(host, &pdev->dev);
+ if (error)
+ return PCI_ERS_RESULT_DISCONNECT;
+
+ error = arcmsr_alloc_sysfs_attr(acb);
+ if (error)
+ return PCI_ERS_RESULT_DISCONNECT;
+
+ scsi_scan_host(host);
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+static void arcmsr_pci_ers_need_reset_forepart(struct pci_dev *pdev)
+{
+ struct Scsi_Host *host = pci_get_drvdata(pdev);
+ struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+ struct MessageUnit __iomem *reg = acb->pmu;
+ struct CommandControlBlock *ccb;
+ /*clear and abort all outbound posted Q*/
+ int i = 0, found = 0;
+ int id, lun;
+ uint32_t flag_ccb, outbound_intstatus;
+
+ while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
+ (i++ < 256)){
+ ccb = (struct CommandControlBlock *)(acb->vir2phy_offset
+ + (flag_ccb << 5));
+ if (ccb){
+ if ((ccb->acb != acb)||(ccb->startdone !=
+ ARCMSR_CCB_START)){
+ printk(KERN_NOTICE "arcmsr%d: polling \
+ get an illegal ccb"" command done ccb = '0x%p'"
+ "ccboutstandingcount = %d \n",
+ acb->host->host_no, ccb,
+ atomic_read(&acb->ccboutstandingcount));
+ continue;
+ }
+ id = ccb->pcmd->device->id;
+ lun = ccb->pcmd->device->lun;
+ if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
+ if (acb->devstate[id][lun] ==
+ ARECA_RAID_GONE)
+ acb->devstate[id][lun] =
+ ARECA_RAID_GOOD;
+ ccb->pcmd->result = DID_OK << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ else {
+ switch(ccb->arcmsr_cdb.DeviceStatus) {
+ case ARCMSR_DEV_SELECT_TIMEOUT: {
+ acb->devstate[id][lun] =
+ ARECA_RAID_GONE;
+ ccb->pcmd->result =
+ DID_NO_CONNECT << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ case ARCMSR_DEV_ABORTED:
+
+ case ARCMSR_DEV_INIT_FAIL: {
+ acb->devstate[id][lun] =
+ ARECA_RAID_GONE;
+ ccb->pcmd->result =
+ DID_BAD_TARGET << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ case ARCMSR_DEV_CHECK_CONDITION: {
+ acb->devstate[id][lun] =
+ ARECA_RAID_GOOD;
+ arcmsr_report_sense_info(ccb);
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ default:
+ printk(KERN_NOTICE
+ "arcmsr%d: scsi \
+ id = %d lun = %d"
+ " polling and \
+ getting command \
+ error done"
+ "but got unknown \
+ DeviceStatus = 0x%x \n"
+ , acb->host->host_no,
+ id, lun,
+ ccb->arcmsr_cdb.DeviceStatus);
+ acb->devstate[id][lun] =
+ ARECA_RAID_GONE;
+ ccb->pcmd->result =
+ DID_BAD_TARGET << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ break;
+ }
+ }
+ found = 1;
+ }
+ }
+ if (found){
+ outbound_intstatus = readl(&reg->outbound_intstatus) &
+ acb->outbound_int_enable;
+ writel(outbound_intstatus, &reg->outbound_intstatus);
+ /*clear interrupt*/
+ }
+ return;
+}
+
+
+static void arcmsr_pci_ers_disconnect_forepart(struct pci_dev *pdev)
+{
+ struct Scsi_Host *host = pci_get_drvdata(pdev);
+ struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata;
+ struct MessageUnit __iomem *reg = acb->pmu;
+ struct CommandControlBlock *ccb;
+ /*clear and abort all outbound posted Q*/
+ int i = 0, found = 0;
+ int id, lun;
+ uint32_t flag_ccb, outbound_intstatus;
+
+ while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) &&
+ (i++ < 256)){
+ ccb = (struct CommandControlBlock *)(acb->vir2phy_offset +
+ (flag_ccb << 5));
+ if (ccb){
+ if ((ccb->acb != acb)||(ccb->startdone !=
+ ARCMSR_CCB_START)){
+ printk(KERN_NOTICE
+ "arcmsr%d: polling get an illegal ccb"
+ " command done ccb = '0x%p'"
+ "ccboutstandingcount = %d \n",
+ acb->host->host_no, ccb,
+ atomic_read(&acb->ccboutstandingcount));
+ continue;
+ }
+
+ id = ccb->pcmd->device->id;
+ lun = ccb->pcmd->device->lun;
+ if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
+ if (acb->devstate[id][lun] == ARECA_RAID_GONE)
+ acb->devstate[id][lun] = ARECA_RAID_GOOD;
+ ccb->pcmd->result = DID_OK << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ else {
+ switch(ccb->arcmsr_cdb.DeviceStatus) {
+ case ARCMSR_DEV_SELECT_TIMEOUT: {
+ acb->devstate[id][lun] =
+ ARECA_RAID_GONE;
+ ccb->pcmd->result =
+ DID_NO_CONNECT << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ case ARCMSR_DEV_ABORTED:
+
+ case ARCMSR_DEV_INIT_FAIL: {
+ acb->devstate[id][lun] =
+ ARECA_RAID_GONE;
+ ccb->pcmd->result =
+ DID_BAD_TARGET << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ case ARCMSR_DEV_CHECK_CONDITION: {
+ acb->devstate[id][lun] =
+ ARECA_RAID_GOOD;
+ arcmsr_report_sense_info(ccb);
+ arcmsr_ccb_complete(ccb, 1);
+ }
+ break;
+
+ default:
+ printk(KERN_NOTICE "arcmsr%d: \
+ scsi id = %d lun = %d"
+ " polling and \
+ getting command error done"
+ "but got unknown \
+ DeviceStatus = 0x%x \n"
+ , acb->host->host_no,
+ id, lun, ccb->arcmsr_cdb.DeviceStatus);
+ acb->devstate[id][lun] =
+ ARECA_RAID_GONE;
+ ccb->pcmd->result =
+ DID_BAD_TARGET << 16;
+ arcmsr_ccb_complete(ccb, 1);
+ break;
+ }
+ }
+ found = 1;
+ }
+ }
+ if (found){
+ outbound_intstatus = readl(&reg->outbound_intstatus) &
+ acb->outbound_int_enable;
+ writel(outbound_intstatus, &reg->outbound_intstatus);
+ /*clear interrupt*/
+ }
+ return;
+}
+
+static pci_ers_result_t arcmsr_pci_error_detected(struct pci_dev *pdev,
+ pci_channel_state_t state)
+{
+ switch (state) {
+ case pci_channel_io_frozen:
+ arcmsr_pci_ers_need_reset_forepart(pdev);
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ arcmsr_pci_ers_disconnect_forepart(pdev);
+ return PCI_ERS_RESULT_DISCONNECT;
+ break;
+ default:
+ return PCI_ERS_RESULT_NEED_RESET;
+ }
+}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-23 02:58:25 +0000