[SCSI] SCSI: Support Type C RAID controller
1. To support Type C RAID controller, ACB_ADAPTER_TYPE_C, i.e. PCI device
ID: 0x1880.
Signed-off-by: Nick Cheng< nick.cheng@areca.com.tw >
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index ba33473..95a895d 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -71,11 +71,11 @@
#include <scsi/scsicam.h>
#include "arcmsr.h"
MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>");
-MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx) SATA/SAS RAID Host Bus Adapter");
+MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapter");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(ARCMSR_DRIVER_VERSION);
-static int sleeptime = 20;
-static int retrycount = 12;
+static int sleeptime = 10;
+static int retrycount = 30;
wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd);
@@ -99,10 +99,12 @@
static void arcmsr_request_device_map(unsigned long pacb);
static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb);
static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb);
+static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb);
static void arcmsr_message_isr_bh_fn(struct work_struct *work);
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb);
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
-
+static void arcmsr_hbc_message_isr(struct AdapterControlBlock *pACB);
+static void arcmsr_hardware_reset(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);
static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
@@ -119,18 +121,18 @@
static struct scsi_host_template arcmsr_scsi_host_template = {
.module = THIS_MODULE,
- .name = "ARCMSR ARECA SATA/SAS RAID Host Bus Adapter"
- ARCMSR_DRIVER_VERSION,
+ .name = "ARCMSR ARECA SATA/SAS RAID Controller"
+ ARCMSR_DRIVER_VERSION,
.info = arcmsr_info,
.queuecommand = arcmsr_queue_command,
- .eh_abort_handler = arcmsr_abort,
+ .eh_abort_handler = arcmsr_abort,
.eh_bus_reset_handler = arcmsr_bus_reset,
.bios_param = arcmsr_bios_param,
.change_queue_depth = arcmsr_adjust_disk_queue_depth,
.can_queue = ARCMSR_MAX_FREECCB_NUM,
- .this_id = ARCMSR_SCSI_INITIATOR_ID,
- .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES,
- .max_sectors = ARCMSR_MAX_XFER_SECTORS_C,
+ .this_id = ARCMSR_SCSI_INITIATOR_ID,
+ .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES,
+ .max_sectors = ARCMSR_MAX_XFER_SECTORS_C,
.cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
@@ -160,22 +162,45 @@
MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table);
static struct pci_driver arcmsr_pci_driver = {
.name = "arcmsr",
- .id_table = arcmsr_device_id_table,
+ .id_table = arcmsr_device_id_table,
.probe = arcmsr_probe,
.remove = arcmsr_remove,
.shutdown = arcmsr_shutdown,
};
+/*
+****************************************************************************
+****************************************************************************
+*/
+int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd)
+{
+ struct Scsi_Host *shost = NULL;
+ int i, isleep;
+ shost = cmd->device->host;
+ isleep = sleeptime / 10;
+ if (isleep > 0) {
+ for (i = 0; i < isleep; i++) {
+ msleep(10000);
+ }
+ }
-static void arcmsr_free_mu(struct AdapterControlBlock *acb)
+ isleep = sleeptime % 10;
+ if (isleep > 0) {
+ msleep(isleep*1000);
+ }
+ printk(KERN_NOTICE "wake-up\n");
+ return 0;
+}
+
+static void arcmsr_free_hbb_mu(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A:
+ case ACB_ADAPTER_TYPE_C:
break;
case ACB_ADAPTER_TYPE_B:{
- struct MessageUnit_B *reg = acb->pmuB;
- dma_free_coherent(&acb->pdev->dev,
- sizeof(struct MessageUnit_B),
- reg, acb->dma_coherent_handle_hbb_mu);
+ dma_free_coherent(&acb->pdev->dev,
+ sizeof(struct MessageUnit_B),
+ acb->pmuB, acb->dma_coherent_handle_hbb_mu);
}
}
}
@@ -183,10 +208,9 @@
static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb)
{
struct pci_dev *pdev = acb->pdev;
-
- switch (acb->adapter_type) {
+ switch (acb->adapter_type){
case ACB_ADAPTER_TYPE_A:{
- acb->pmuA = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
+ acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0));
if (!acb->pmuA) {
printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
return false;
@@ -208,6 +232,19 @@
}
acb->mem_base0 = mem_base0;
acb->mem_base1 = mem_base1;
+ break;
+ }
+ case ACB_ADAPTER_TYPE_C:{
+ acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1));
+ if (!acb->pmuC) {
+ printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
+ return false;
+ }
+ if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/
+ return true;
+ }
+ break;
}
}
return true;
@@ -216,13 +253,19 @@
static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A:{
- iounmap(acb->pmuA);
- }
- case ACB_ADAPTER_TYPE_B:{
- iounmap(acb->mem_base0);
- iounmap(acb->mem_base1);
- }
+ case ACB_ADAPTER_TYPE_A:{
+ iounmap(acb->pmuA);
+ }
+ break;
+ case ACB_ADAPTER_TYPE_B:{
+ iounmap(acb->mem_base0);
+ iounmap(acb->mem_base1);
+ }
+
+ break;
+ case ACB_ADAPTER_TYPE_C:{
+ iounmap(acb->pmuC);
+ }
}
}
@@ -270,34 +313,37 @@
pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id);
acb->dev_id = dev_id;
switch (dev_id) {
- case 0x1201 : {
+ case 0x1880: {
+ acb->adapter_type = ACB_ADAPTER_TYPE_C;
+ }
+ break;
+ case 0x1201: {
acb->adapter_type = ACB_ADAPTER_TYPE_B;
}
break;
- default : acb->adapter_type = ACB_ADAPTER_TYPE_A;
+ default: acb->adapter_type = ACB_ADAPTER_TYPE_A;
}
-}
+}
static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t Index;
uint8_t Retries = 0x00;
-
do {
for (Index = 0; Index < 100; Index++) {
if (readl(®->outbound_intstatus) &
ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
®->outbound_intstatus);
- return 0x00;
+ return true;
}
msleep(10);
- } /*max 1 seconds*/
+ }/*max 1 seconds*/
} while (Retries++ < 20);/*max 20 sec*/
- return 0xff;
+ return false;
}
static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
@@ -305,7 +351,6 @@
struct MessageUnit_B *reg = acb->pmuB;
uint32_t Index;
uint8_t Retries = 0x00;
-
do {
for (Index = 0; Index < 100; Index++) {
if (readl(reg->iop2drv_doorbell)
@@ -313,23 +358,39 @@
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN
, reg->iop2drv_doorbell);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
- return 0x00;
+ return true;
}
msleep(10);
- } /*max 1 seconds*/
+ }/*max 1 seconds*/
} while (Retries++ < 20);/*max 20 sec*/
- return 0xff;
+ return false;
}
+static uint8_t arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
+ unsigned char Retries = 0x00;
+ uint32_t Index;
+ do {
+ for (Index = 0; Index < 100; Index++) {
+ if (readl(&phbcmu->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &phbcmu->outbound_doorbell_clear);/*clear interrupt*/
+ return true;
+ }
+ /* one us delay */
+ msleep(10);
+ } /*max 1 seconds*/
+ } while (Retries++ < 20); /*max 20 sec*/
+ return false;
+}
static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
int retry_count = 30;
-
writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
do {
- if (!arcmsr_hba_wait_msgint_ready(acb))
+ if (arcmsr_hba_wait_msgint_ready(acb))
break;
else {
retry_count--;
@@ -343,10 +404,9 @@
{
struct MessageUnit_B *reg = acb->pmuB;
int retry_count = 30;
-
writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell);
do {
- if (!arcmsr_hbb_wait_msgint_ready(acb))
+ if (arcmsr_hbb_wait_msgint_ready(acb))
break;
else {
retry_count--;
@@ -356,6 +416,23 @@
} while (retry_count != 0);
}
+static void arcmsr_flush_hbc_cache(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
+ int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */
+ writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
+ do {
+ if (arcmsr_hbc_wait_msgint_ready(pACB)) {
+ break;
+ } else {
+ retry_count--;
+ printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
+ timeout,retry count down = %d \n", pACB->host->host_no, retry_count);
+ }
+ } while (retry_count != 0);
+ return;
+}
static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -368,151 +445,94 @@
case ACB_ADAPTER_TYPE_B: {
arcmsr_flush_hbb_cache(acb);
}
+ break;
+ case ACB_ADAPTER_TYPE_C: {
+ arcmsr_flush_hbc_cache(acb);
+ }
}
}
static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
{
- struct pci_dev *pdev = acb->pdev;
- switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
+ struct pci_dev *pdev = acb->pdev;
+ void *dma_coherent;
+ dma_addr_t dma_coherent_handle;
+ struct CommandControlBlock *ccb_tmp;
+ int i = 0, j = 0;
+ dma_addr_t cdb_phyaddr;
+ unsigned long roundup_ccbsize = 0, offset;
+ unsigned long max_xfer_len;
+ unsigned long max_sg_entrys;
+ uint32_t firm_config_version;
+ for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
+ for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
+ acb->devstate[i][j] = ARECA_RAID_GONE;
- void *dma_coherent;
- dma_addr_t dma_coherent_handle;
- struct CommandControlBlock *ccb_tmp;
- int i = 0, j = 0;
- dma_addr_t cdb_phyaddr;
- unsigned long roundup_ccbsize = 0;
- unsigned long max_xfer_len;
- unsigned long max_sg_entrys;
- uint32_t firm_config_version;
-
- for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
- for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
- acb->devstate[i][j] = ARECA_RAID_GONE;
-
- max_xfer_len = ARCMSR_MAX_XFER_LEN;
- max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES;
- firm_config_version = acb->firm_cfg_version;
- if ((firm_config_version & 0xFF) >= 3) {
- max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 16M byte */
- max_sg_entrys = (max_xfer_len/4096);
- }
- acb->host->max_sectors = max_xfer_len/512;
- acb->host->sg_tablesize = max_sg_entrys;
- roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + max_sg_entrys * sizeof(struct SG64ENTRY), 32);
- acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM;
- dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL);
- if (!dma_coherent) {
- printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error \n", acb->host->host_no);
- return -ENOMEM;
- }
- memset(dma_coherent, 0, acb->uncache_size);
- acb->dma_coherent = dma_coherent;
- acb->dma_coherent_handle = dma_coherent_handle;
- ccb_tmp = (struct CommandControlBlock *)dma_coherent;
- acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle;
- for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
- cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb);
- ccb_tmp->shifted_cdb_phyaddr = cdb_phyaddr >> 5;
- acb->pccb_pool[i] = ccb_tmp;
- ccb_tmp->acb = acb;
- INIT_LIST_HEAD(&ccb_tmp->list);
- list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
- ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);
- dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
- }
- break;
- }
- case ACB_ADAPTER_TYPE_B: {
-
- void *dma_coherent;
- dma_addr_t dma_coherent_handle;
- struct CommandControlBlock *ccb_tmp;
- uint32_t cdb_phyaddr;
- unsigned int roundup_ccbsize = 0;
- unsigned long max_xfer_len;
- unsigned long max_sg_entrys;
- unsigned long firm_config_version;
- unsigned long max_freeccb_num = 0;
- int i = 0, j = 0;
-
- max_freeccb_num = ARCMSR_MAX_FREECCB_NUM;
- max_xfer_len = ARCMSR_MAX_XFER_LEN;
- max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES;
- firm_config_version = acb->firm_cfg_version;
- if ((firm_config_version & 0xFF) >= 3) {
- max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH <<
- ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 16M byte */
- max_sg_entrys = (max_xfer_len/4096);/* max 4097 sg entry*/
- }
- acb->host->max_sectors = max_xfer_len / 512;
- acb->host->sg_tablesize = max_sg_entrys;
- roundup_ccbsize = roundup(sizeof(struct CommandControlBlock)+
- (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
- acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM;
- dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size,
- &dma_coherent_handle, GFP_KERNEL);
-
- if (!dma_coherent) {
- printk(KERN_NOTICE "DMA allocation failed...........................\n");
- return -ENOMEM;
- }
- memset(dma_coherent, 0, acb->uncache_size);
- acb->dma_coherent = dma_coherent;
- acb->dma_coherent_handle = dma_coherent_handle;
- ccb_tmp = (struct CommandControlBlock *)dma_coherent;
- acb->vir2phy_offset = (unsigned long)dma_coherent -
- (unsigned long)dma_coherent_handle;
- for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
- cdb_phyaddr = dma_coherent_handle +
- offsetof(struct CommandControlBlock, arcmsr_cdb);
- ccb_tmp->shifted_cdb_phyaddr = cdb_phyaddr >> 5;
- acb->pccb_pool[i] = ccb_tmp;
- ccb_tmp->acb = acb;
- INIT_LIST_HEAD(&ccb_tmp->list);
- list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
- ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp +
- roundup_ccbsize);
- dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
- }
- for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
- for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
- acb->devstate[i][j] = ARECA_RAID_GONE;
- }
- break;
+ max_xfer_len = ARCMSR_MAX_XFER_LEN;
+ max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES;
+ firm_config_version = acb->firm_cfg_version;
+ if((firm_config_version & 0xFF) >= 3){
+ max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */
+ max_sg_entrys = (max_xfer_len/4096);
+ }
+ acb->host->max_sectors = max_xfer_len/512;
+ acb->host->sg_tablesize = max_sg_entrys;
+ roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32);
+ acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM + 32;
+ dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL);
+ if(!dma_coherent){
+ printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error \n", acb->host->host_no);
+ return -ENOMEM;
+ }
+ acb->dma_coherent = dma_coherent;
+ acb->dma_coherent_handle = dma_coherent_handle;
+ memset(dma_coherent, 0, acb->uncache_size);
+ offset = roundup((unsigned long)dma_coherent, 32) - (unsigned long)dma_coherent;
+ dma_coherent_handle = dma_coherent_handle + offset;
+ dma_coherent = (struct CommandControlBlock *)dma_coherent + offset;
+ ccb_tmp = dma_coherent;
+ acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle;
+ for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){
+ cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb);
+ ccb_tmp->cdb_phyaddr_pattern = ((acb->adapter_type == ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5));
+ acb->pccb_pool[i] = ccb_tmp;
+ ccb_tmp->acb = acb;
+ INIT_LIST_HEAD(&ccb_tmp->list);
+ list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
+ ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize);
+ dma_coherent_handle = dma_coherent_handle + roundup_ccbsize;
}
return 0;
}
-static void arcmsr_message_isr_bh_fn(struct work_struct *work)
-{
- struct AdapterControlBlock *acb = container_of(work, struct AdapterControlBlock, arcmsr_do_message_isr_bh);
+static void arcmsr_message_isr_bh_fn(struct work_struct *work)
+{
+ struct AdapterControlBlock *acb = container_of(work,struct AdapterControlBlock, arcmsr_do_message_isr_bh);
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
char *acb_dev_map = (char *)acb->device_map;
- uint32_t __iomem *signature = (uint32_t __iomem *) (®->message_rwbuffer[0]);
- char __iomem *devicemap = (char __iomem *) (®->message_rwbuffer[21]);
+ uint32_t __iomem *signature = (uint32_t __iomem*) (®->message_rwbuffer[0]);
+ char __iomem *devicemap = (char __iomem*) (®->message_rwbuffer[21]);
int target, lun;
struct scsi_device *psdev;
char diff;
atomic_inc(&acb->rq_map_token);
if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
- for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) {
+ for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) {
diff = (*acb_dev_map)^readb(devicemap);
if (diff != 0) {
char temp;
*acb_dev_map = readb(devicemap);
- temp = *acb_dev_map;
- for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
- if ((temp & 0x01) == 1 && (diff & 0x01) == 1) {
+ temp =*acb_dev_map;
+ for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
+ if((temp & 0x01)==1 && (diff & 0x01) == 1) {
scsi_add_device(acb->host, 0, target, lun);
- } else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) {
+ }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) {
psdev = scsi_device_lookup(acb->host, 0, target, lun);
- if (psdev != NULL) {
+ if (psdev != NULL ) {
scsi_remove_device(psdev);
scsi_device_put(psdev);
}
@@ -531,8 +551,45 @@
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
char *acb_dev_map = (char *)acb->device_map;
- uint32_t __iomem *signature = (uint32_t __iomem *)(®->message_rwbuffer[0]);
- char __iomem *devicemap = (char __iomem *)(®->message_rwbuffer[21]);
+ uint32_t __iomem *signature = (uint32_t __iomem*)(®->message_rwbuffer[0]);
+ char __iomem *devicemap = (char __iomem*)(®->message_rwbuffer[21]);
+ int target, lun;
+ struct scsi_device *psdev;
+ char diff;
+
+ atomic_inc(&acb->rq_map_token);
+ if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
+ for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) {
+ diff = (*acb_dev_map)^readb(devicemap);
+ if (diff != 0) {
+ char temp;
+ *acb_dev_map = readb(devicemap);
+ temp =*acb_dev_map;
+ for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) {
+ if((temp & 0x01)==1 && (diff & 0x01) == 1) {
+ scsi_add_device(acb->host, 0, target, lun);
+ }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) {
+ psdev = scsi_device_lookup(acb->host, 0, target, lun);
+ if (psdev != NULL ) {
+ scsi_remove_device(psdev);
+ scsi_device_put(psdev);
+ }
+ }
+ temp >>= 1;
+ diff >>= 1;
+ }
+ }
+ devicemap++;
+ acb_dev_map++;
+ }
+ }
+ }
+ break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *reg = acb->pmuC;
+ char *acb_dev_map = (char *)acb->device_map;
+ uint32_t __iomem *signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]);
+ char __iomem *devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]);
int target, lun;
struct scsi_device *psdev;
char diff;
@@ -571,21 +628,20 @@
{
struct Scsi_Host *host;
struct AdapterControlBlock *acb;
- uint8_t bus, dev_fun;
+ uint8_t bus,dev_fun;
int error;
-
error = pci_enable_device(pdev);
- if (error) {
+ if(error){
return -ENODEV;
}
host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock));
- if (!host) {
- goto pci_disable_dev;
+ if(!host){
+ goto pci_disable_dev;
}
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
- if (error) {
+ if(error){
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
- if (error) {
+ if(error){
printk(KERN_WARNING
"scsi%d: No suitable DMA mask available\n",
host->host_no);
@@ -596,53 +652,53 @@
bus = pdev->bus->number;
dev_fun = pdev->devfn;
acb = (struct AdapterControlBlock *) host->hostdata;
- memset(acb, 0, sizeof(struct AdapterControlBlock));
+ memset(acb,0,sizeof(struct AdapterControlBlock));
acb->pdev = pdev;
acb->host = host;
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->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */
- host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN;
+ host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/
+ host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/
+ 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;
pci_set_drvdata(pdev, host);
pci_set_master(pdev);
error = pci_request_regions(pdev, "arcmsr");
- if (error) {
+ if(error){
goto scsi_host_release;
}
spin_lock_init(&acb->eh_lock);
spin_lock_init(&acb->ccblist_lock);
acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
- ACB_F_MESSAGE_RQBUFFER_CLEARED |
- ACB_F_MESSAGE_WQBUFFER_READED);
+ ACB_F_MESSAGE_RQBUFFER_CLEARED |
+ ACB_F_MESSAGE_WQBUFFER_READED);
acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER;
INIT_LIST_HEAD(&acb->ccb_free_list);
arcmsr_define_adapter_type(acb);
error = arcmsr_remap_pciregion(acb);
- if (!error) {
+ if(!error){
goto pci_release_regs;
}
error = arcmsr_get_firmware_spec(acb);
- if (!error) {
+ if(!error){
goto unmap_pci_region;
}
error = arcmsr_alloc_ccb_pool(acb);
- if (error) {
+ if(error){
goto free_hbb_mu;
}
arcmsr_iop_init(acb);
error = scsi_add_host(host, &pdev->dev);
- if (error) {
+ if(error){
goto RAID_controller_stop;
}
error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb);
- if (error) {
+ if(error){
goto scsi_host_remove;
}
host->irq = pdev->irq;
- scsi_scan_host(host);
+ scsi_scan_host(host);
INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
atomic_set(&acb->rq_map_token, 16);
atomic_set(&acb->ante_token_value, 16);
@@ -652,10 +708,10 @@
acb->eternal_timer.data = (unsigned long) acb;
acb->eternal_timer.function = &arcmsr_request_device_map;
add_timer(&acb->eternal_timer);
- if (arcmsr_alloc_sysfs_attr(acb))
+ if(arcmsr_alloc_sysfs_attr(acb))
goto out_free_sysfs;
return 0;
- out_free_sysfs:
+out_free_sysfs:
scsi_host_remove:
scsi_remove_host(host);
RAID_controller_stop:
@@ -663,7 +719,7 @@
arcmsr_flush_adapter_cache(acb);
arcmsr_free_ccb_pool(acb);
free_hbb_mu:
- arcmsr_free_mu(acb);
+ arcmsr_free_hbb_mu(acb);
unmap_pci_region:
arcmsr_unmap_pciregion(acb);
pci_release_regs:
@@ -678,15 +734,14 @@
static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
-
writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
- if (arcmsr_hba_wait_msgint_ready(acb)) {
+ if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE
"arcmsr%d: wait 'abort all outstanding command' timeout \n"
, acb->host->host_no);
- return 0xff;
+ return false;
}
- return 0x00;
+ return true;
}
static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb)
@@ -694,15 +749,27 @@
struct MessageUnit_B *reg = acb->pmuB;
writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE
"arcmsr%d: wait 'abort all outstanding command' timeout \n"
, acb->host->host_no);
- return 0xff;
+ return false;
}
- return 0x00;
+ return true;
}
-
+static uint8_t arcmsr_abort_hbc_allcmd(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
+ writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
+ if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
+ printk(KERN_NOTICE
+ "arcmsr%d: wait 'abort all outstanding command' timeout \n"
+ , pACB->host->host_no);
+ return false;
+ }
+ return true;
+}
static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
{
uint8_t rtnval = 0;
@@ -715,6 +782,11 @@
case ACB_ADAPTER_TYPE_B: {
rtnval = arcmsr_abort_hbb_allcmd(acb);
}
+ break;
+
+ case ACB_ADAPTER_TYPE_C: {
+ rtnval = arcmsr_abort_hbc_allcmd(acb);
+ }
}
return rtnval;
}
@@ -722,13 +794,12 @@
static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb)
{
struct MessageUnit_B *reg = pacb->pmuB;
-
writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell);
- if (arcmsr_hbb_wait_msgint_ready(pacb)) {
+ if (!arcmsr_hbb_wait_msgint_ready(pacb)) {
printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no);
return false;
-}
- return true;
+ }
+ return true;
}
static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
@@ -736,18 +807,16 @@
struct scsi_cmnd *pcmd = ccb->pcmd;
scsi_dma_unmap(pcmd);
- }
+}
static void arcmsr_ccb_complete(struct CommandControlBlock *ccb)
{
struct AdapterControlBlock *acb = ccb->acb;
struct scsi_cmnd *pcmd = ccb->pcmd;
unsigned long flags;
-
atomic_dec(&acb->ccboutstandingcount);
arcmsr_pci_unmap_dma(ccb);
ccb->startdone = ARCMSR_CCB_DONE;
- ccb->ccb_flags = 0;
spin_lock_irqsave(&acb->ccblist_lock, flags);
list_add_tail(&ccb->list, &acb->ccb_free_list);
spin_unlock_irqrestore(&acb->ccblist_lock, flags);
@@ -759,7 +828,6 @@
struct scsi_cmnd *pcmd = ccb->pcmd;
struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer;
-
pcmd->result = DID_OK << 16;
if (sensebuffer) {
int sense_data_length =
@@ -775,8 +843,7 @@
static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
{
u32 orig_mask = 0;
- switch (acb->adapter_type) {
-
+ switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A : {
struct MessageUnit_A __iomem *reg = acb->pmuA;
orig_mask = readl(®->outbound_intmask);
@@ -784,30 +851,35 @@
®->outbound_intmask);
}
break;
-
case ACB_ADAPTER_TYPE_B : {
struct MessageUnit_B *reg = acb->pmuB;
orig_mask = readl(reg->iop2drv_doorbell_mask);
writel(0, reg->iop2drv_doorbell_mask);
}
break;
+ case ACB_ADAPTER_TYPE_C:{
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+ /* disable all outbound interrupt */
+ orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */
+ writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
+ }
+ break;
}
return orig_mask;
}
-static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
- struct CommandControlBlock *ccb, uint32_t flag_ccb)
+static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *ccb, bool error)
{
-
uint8_t id, lun;
id = ccb->pcmd->device->id;
lun = ccb->pcmd->device->lun;
- if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) {
+ if (!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);
- } else {
+ }else{
switch (ccb->arcmsr_cdb.DeviceStatus) {
case ARCMSR_DEV_SELECT_TIMEOUT: {
acb->devstate[id][lun] = ARECA_RAID_GONE;
@@ -833,42 +905,37 @@
break;
default:
- printk(KERN_NOTICE
- "arcmsr%d: scsi id = %d lun = %d"
- " isr get 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_NO_CONNECT << 16;
- arcmsr_ccb_complete(ccb);
+ printk(KERN_NOTICE
+ "arcmsr%d: scsi id = %d lun = %d isr get 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_NO_CONNECT << 16;
+ arcmsr_ccb_complete(ccb);
break;
}
}
}
-static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t flag_ccb)
+static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error)
{
- struct CommandControlBlock *ccb;
- struct ARCMSR_CDB *arcmsr_cdb;
int id, lun;
-
- arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
- ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
- if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
- if (ccb->startdone == ARCMSR_CCB_ABORTED) {
- struct scsi_cmnd *abortcmd = ccb->pcmd;
+ if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
+ if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
+ struct scsi_cmnd *abortcmd = pCCB->pcmd;
if (abortcmd) {
id = abortcmd->device->id;
- lun = abortcmd->device->lun;
+ lun = abortcmd->device->lun;
abortcmd->result |= DID_ABORT << 16;
- arcmsr_ccb_complete(ccb);
- printk(KERN_NOTICE "arcmsr%d: ccb ='0x%p' \
- isr got aborted command \n", acb->host->host_no, ccb);
+ arcmsr_ccb_complete(pCCB);
+ printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n",
+ acb->host->host_no, pCCB);
}
+ return;
}
printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \
done acb = '0x%p'"
@@ -876,20 +943,22 @@
" ccboutstandingcount = %d \n"
, acb->host->host_no
, acb
- , ccb
- , ccb->acb
- , ccb->startdone
+ , pCCB
+ , pCCB->acb
+ , pCCB->startdone
, atomic_read(&acb->ccboutstandingcount));
+ return;
}
- else
- arcmsr_report_ccb_state(acb, ccb, flag_ccb);
+ arcmsr_report_ccb_state(acb, pCCB, error);
}
static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
{
int i = 0;
uint32_t flag_ccb;
-
+ struct ARCMSR_CDB *pARCMSR_CDB;
+ bool error;
+ struct CommandControlBlock *pCCB;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
@@ -899,9 +968,12 @@
acb->outbound_int_enable;
/*clear and abort all outbound posted Q*/
writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/
- while (((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF)
+ while(((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF)
&& (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
- arcmsr_drain_donequeue(acb, flag_ccb);
+ pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
+ pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ arcmsr_drain_donequeue(acb, pCCB, error);
}
}
break;
@@ -909,17 +981,37 @@
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
/*clear all outbound posted Q*/
+ writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, ®->iop2drv_doorbell); /* clear doorbell interrupt */
for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
if ((flag_ccb = readl(®->done_qbuffer[i])) != 0) {
writel(0, ®->done_qbuffer[i]);
- arcmsr_drain_donequeue(acb, flag_ccb);
+ pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
+ pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ arcmsr_drain_donequeue(acb, pCCB, error);
}
- writel(0, ®->post_qbuffer[i]);
+ reg->post_qbuffer[i] = 0;
}
reg->doneq_index = 0;
reg->postq_index = 0;
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *reg = acb->pmuC;
+ struct ARCMSR_CDB *pARCMSR_CDB;
+ uint32_t flag_ccb, ccb_cdb_phy;
+ bool error;
+ struct CommandControlBlock *pCCB;
+ while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
+ /*need to do*/
+ flag_ccb = readl(®->outbound_queueport_low);
+ ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
+ pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/
+ pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
+ arcmsr_drain_donequeue(acb, pCCB, error);
+ }
+ }
}
}
static void arcmsr_remove(struct pci_dev *pdev)
@@ -930,16 +1022,15 @@
int poll_count = 0;
arcmsr_free_sysfs_attr(acb);
scsi_remove_host(host);
- scsi_host_put(host);
flush_scheduled_work();
del_timer_sync(&acb->eternal_timer);
arcmsr_disable_outbound_ints(acb);
arcmsr_stop_adapter_bgrb(acb);
- arcmsr_flush_adapter_cache(acb);
+ arcmsr_flush_adapter_cache(acb);
acb->acb_flags |= ACB_F_SCSISTOPADAPTER;
acb->acb_flags &= ~ACB_F_IOP_INITED;
- for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++) {
+ for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){
if (!atomic_read(&acb->ccboutstandingcount))
break;
arcmsr_interrupt(acb);/* FIXME: need spinlock */
@@ -962,8 +1053,10 @@
}
free_irq(pdev->irq, acb);
arcmsr_free_ccb_pool(acb);
- arcmsr_free_mu(acb);
+ arcmsr_free_hbb_mu(acb);
+ arcmsr_unmap_pciregion(acb);
pci_release_regions(pdev);
+ scsi_host_put(host);
pci_disable_device(pdev);
pci_set_drvdata(pdev, NULL);
}
@@ -983,7 +1076,6 @@
static int arcmsr_module_init(void)
{
int error = 0;
-
error = pci_register_driver(&arcmsr_pci_driver);
return error;
}
@@ -999,10 +1091,9 @@
u32 intmask_org)
{
u32 mask;
-
switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A : {
+ case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE |
ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|
@@ -1012,7 +1103,7 @@
}
break;
- case ACB_ADAPTER_TYPE_B : {
+ case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK |
ARCMSR_IOP2DRV_DATA_READ_OK |
@@ -1021,6 +1112,13 @@
writel(mask, reg->iop2drv_doorbell_mask);
acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f;
}
+ break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *reg = acb->pmuC;
+ mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK);
+ writel(intmask_org & mask, ®->host_int_mask);
+ acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
+ }
}
}
@@ -1032,75 +1130,69 @@
__le32 address_lo, address_hi;
int arccdbsize = 0x30;
__le32 length = 0;
- int i, cdb_sgcount = 0;
+ int i;
struct scatterlist *sg;
int nseg;
-
ccb->pcmd = pcmd;
memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB));
- arcmsr_cdb->Bus = 0;
arcmsr_cdb->TargetID = pcmd->device->id;
arcmsr_cdb->LUN = pcmd->device->lun;
arcmsr_cdb->Function = 1;
- arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len;
arcmsr_cdb->Context = 0;
memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
nseg = scsi_dma_map(pcmd);
- if (nseg > acb->host->sg_tablesize || nseg < 0)
+ if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0))
return FAILED;
- /* map stor port SG list to our iop SG List. */
- scsi_for_each_sg(pcmd, sg, nseg, i) {
- /* Get the physical address of the current data pointer */
- 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;
+ scsi_for_each_sg(pcmd, sg, nseg, i) {
+ /* Get the physical address of the current data pointer */
+ 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;
- pdma_sg->address = address_lo;
- pdma_sg->length = length;
- psge += sizeof (struct SG32ENTRY);
- arccdbsize += sizeof (struct SG32ENTRY);
- } else {
- struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
+ pdma_sg->address = address_lo;
+ pdma_sg->length = length;
+ psge += sizeof (struct SG32ENTRY);
+ arccdbsize += sizeof (struct SG32ENTRY);
+ } else {
+ struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge;
- pdma_sg->addresshigh = address_hi;
- pdma_sg->address = address_lo;
- pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR);
- psge += sizeof (struct SG64ENTRY);
- arccdbsize += sizeof (struct SG64ENTRY);
- }
- cdb_sgcount++;
+ pdma_sg->addresshigh = address_hi;
+ pdma_sg->address = address_lo;
+ pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR);
+ psge += sizeof (struct SG64ENTRY);
+ arccdbsize += sizeof (struct SG64ENTRY);
}
- arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount;
- arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
- arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0);
- if ( arccdbsize > 256)
- arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
- if (pcmd->cmnd[0]|WRITE_6 || pcmd->cmnd[0] | WRITE_10 || pcmd->cmnd[0]|WRITE_12) {
- arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
- ccb->ccb_flags |= CCB_FLAG_WRITE;
}
+ arcmsr_cdb->sgcount = (uint8_t)nseg;
+ arcmsr_cdb->DataLength = scsi_bufflen(pcmd);
+ arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0);
+ if ( arccdbsize > 256)
+ arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
+ if (pcmd->cmnd[0]|WRITE_6 || pcmd->cmnd[0]|WRITE_10 || pcmd->cmnd[0]|WRITE_12 ){
+ arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE;
+ }
+ ccb->arc_cdb_size = arccdbsize;
return SUCCESS;
}
static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
{
- uint32_t shifted_cdb_phyaddr = ccb->shifted_cdb_phyaddr;
+ uint32_t cdb_phyaddr_pattern = ccb->cdb_phyaddr_pattern;
struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb;
atomic_inc(&acb->ccboutstandingcount);
ccb->startdone = ARCMSR_CCB_START;
-
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE)
- writel(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
+ writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
®->inbound_queueport);
else {
- writel(shifted_cdb_phyaddr, ®->inbound_queueport);
+ writel(cdb_phyaddr_pattern, ®->inbound_queueport);
}
}
break;
@@ -1112,11 +1204,10 @@
ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE);
writel(0, ®->post_qbuffer[ending_index]);
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
- writel(shifted_cdb_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
+ writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
®->post_qbuffer[index]);
- }
- else {
- writel(shifted_cdb_phyaddr, ®->post_qbuffer[index]);
+ } else {
+ writel(cdb_phyaddr_pattern, ®->post_qbuffer[index]);
}
index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */
@@ -1124,6 +1215,19 @@
writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC;
+ uint32_t ccb_post_stamp, arc_cdb_size;
+
+ arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size;
+ ccb_post_stamp = (cdb_phyaddr_pattern | ((arc_cdb_size - 1) >> 6) | 1);
+ if (acb->cdb_phyaddr_hi32) {
+ writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high);
+ writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
+ } else {
+ writel(ccb_post_stamp, &phbcmu->inbound_queueport_low);
+ }
+ }
}
}
@@ -1132,8 +1236,7 @@
struct MessageUnit_A __iomem *reg = acb->pmuA;
acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
-
- if (arcmsr_hba_wait_msgint_ready(acb)) {
+ if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE
"arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
, acb->host->host_no);
@@ -1146,13 +1249,26 @@
acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE
"arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
, acb->host->host_no);
}
}
+static void arcmsr_stop_hbc_bgrb(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
+ pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
+ writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
+ if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
+ printk(KERN_NOTICE
+ "arcmsr%d: wait 'stop adapter background rebulid' timeout \n"
+ , pACB->host->host_no);
+ }
+ return;
+}
static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -1165,21 +1281,15 @@
arcmsr_stop_hbb_bgrb(acb);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ arcmsr_stop_hbc_bgrb(acb);
+ }
}
}
static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb)
{
- switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
- dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
- iounmap(acb->pmuA);
- }
- break;
- case ACB_ADAPTER_TYPE_B: {
- dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
- }
- }
+ dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle);
}
void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
@@ -1196,6 +1306,10 @@
writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C __iomem *reg = acb->pmuC;
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
+ }
}
}
@@ -1221,13 +1335,21 @@
writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C __iomem *reg = acb->pmuC;
+ /*
+ ** push inbound doorbell tell iop, driver data write ok
+ ** and wait reply on next hwinterrupt for next Qbuffer post
+ */
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell);
+ }
+ break;
}
}
struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
{
struct QBUFFER __iomem *qbuffer = NULL;
-
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
@@ -1241,6 +1363,10 @@
qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC;
+ qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer;
+ }
}
return qbuffer;
}
@@ -1248,7 +1374,6 @@
static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb)
{
struct QBUFFER __iomem *pqbuffer = NULL;
-
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
@@ -1262,6 +1387,11 @@
pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+ pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer;
+ }
+
}
return pqbuffer;
}
@@ -1272,19 +1402,18 @@
struct QBUFFER *pQbuffer;
uint8_t __iomem *iop_data;
int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex;
-
rqbuf_lastindex = acb->rqbuf_lastindex;
rqbuf_firstindex = acb->rqbuf_firstindex;
prbuffer = arcmsr_get_iop_rqbuffer(acb);
iop_data = (uint8_t __iomem *)prbuffer->data;
iop_len = prbuffer->data_len;
- my_empty_len = (rqbuf_firstindex - rqbuf_lastindex -1)&(ARCMSR_MAX_QBUFFER -1);
+ my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) & (ARCMSR_MAX_QBUFFER - 1);
if (my_empty_len >= iop_len)
{
while (iop_len > 0) {
pQbuffer = (struct QBUFFER *)&acb->rqbuffer[rqbuf_lastindex];
- memcpy(pQbuffer, iop_data,1);
+ memcpy(pQbuffer, iop_data, 1);
rqbuf_lastindex++;
rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;
iop_data++;
@@ -1335,25 +1464,52 @@
{
uint32_t outbound_doorbell;
struct MessageUnit_A __iomem *reg = acb->pmuA;
-
outbound_doorbell = readl(®->outbound_doorbell);
writel(outbound_doorbell, ®->outbound_doorbell);
if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) {
arcmsr_iop2drv_data_wrote_handle(acb);
}
- if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
+ if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) {
arcmsr_iop2drv_data_read_handle(acb);
}
}
-
+static void arcmsr_hbc_doorbell_isr(struct AdapterControlBlock *pACB)
+{
+ uint32_t outbound_doorbell;
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC;
+ /*
+ *******************************************************************
+ ** Maybe here we need to check wrqbuffer_lock is lock or not
+ ** DOORBELL: din! don!
+ ** check if there are any mail need to pack from firmware
+ *******************************************************************
+ */
+ outbound_doorbell = readl(®->outbound_doorbell);
+ writel(outbound_doorbell, ®->outbound_doorbell_clear);/*clear interrupt*/
+ if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) {
+ arcmsr_iop2drv_data_wrote_handle(pACB);
+ }
+ if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) {
+ arcmsr_iop2drv_data_read_handle(pACB);
+ }
+ if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ arcmsr_hbc_message_isr(pACB); /* messenger of "driver to iop commands" */
+ }
+ return;
+}
static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb)
{
uint32_t flag_ccb;
struct MessageUnit_A __iomem *reg = acb->pmuA;
-
+ struct ARCMSR_CDB *pARCMSR_CDB;
+ struct CommandControlBlock *pCCB;
+ bool error;
while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) {
- arcmsr_drain_donequeue(acb, flag_ccb);
+ pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
+ pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ arcmsr_drain_donequeue(acb, pCCB, error);
}
}
@@ -1362,29 +1518,62 @@
uint32_t index;
uint32_t flag_ccb;
struct MessageUnit_B *reg = acb->pmuB;
-
+ struct ARCMSR_CDB *pARCMSR_CDB;
+ struct CommandControlBlock *pCCB;
+ bool error;
index = reg->doneq_index;
-
while ((flag_ccb = readl(®->done_qbuffer[index])) != 0) {
writel(0, ®->done_qbuffer[index]);
- arcmsr_drain_donequeue(acb, flag_ccb);
+ pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/
+ pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ arcmsr_drain_donequeue(acb, pCCB, error);
index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE;
reg->doneq_index = index;
}
}
+
+static void arcmsr_hbc_postqueue_isr(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_C *phbcmu;
+ struct ARCMSR_CDB *arcmsr_cdb;
+ struct CommandControlBlock *ccb;
+ uint32_t flag_ccb, ccb_cdb_phy, throttling = 0;
+ int error;
+
+ phbcmu = (struct MessageUnit_C *)acb->pmuC;
+ /* areca cdb command done */
+ /* Use correct offset and size for syncing */
+
+ while (readl(&phbcmu->host_int_status) &
+ ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR){
+ /* check if command done with no error*/
+ flag_ccb = readl(&phbcmu->outbound_queueport_low);
+ ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);/*frame must be 32 bytes aligned*/
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);
+ ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
+ /* check if command done with no error */
+ arcmsr_drain_donequeue(acb, ccb, error);
+ if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) {
+ writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, &phbcmu->inbound_doorbell);
+ break;
+ }
+ throttling++;
+ }
+}
/*
**********************************************************************************
** Handle a message interrupt
**
-** The only message interrupt we expect is in response to a query for the current adapter config.
+** The only message interrupt we expect is in response to a query for the current adapter config.
** We want this in order to compare the drivemap so that we can detect newly-attached drives.
**********************************************************************************
*/
static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_A *reg = acb->pmuA;
-
/*clear interrupt and message state*/
writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus);
schedule_work(&acb->arcmsr_do_message_isr_bh);
@@ -1397,13 +1586,29 @@
writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
schedule_work(&acb->arcmsr_do_message_isr_bh);
}
+/*
+**********************************************************************************
+** Handle a message interrupt
+**
+** The only message interrupt we expect is in response to a query for the
+** current adapter config.
+** We want this in order to compare the drivemap so that we can detect newly-attached drives.
+**********************************************************************************
+*/
+static void arcmsr_hbc_message_isr(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_C *reg = acb->pmuC;
+ /*clear interrupt and message state*/
+ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);
+ schedule_work(&acb->arcmsr_do_message_isr_bh);
+}
+
static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
{
uint32_t outbound_intstatus;
struct MessageUnit_A __iomem *reg = acb->pmuA;
-
outbound_intstatus = readl(®->outbound_intstatus) &
- acb->outbound_int_enable;
+ acb->outbound_int_enable;
if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) {
return 1;
}
@@ -1414,7 +1619,7 @@
if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) {
arcmsr_hba_postqueue_isr(acb);
}
- if (outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
+ if(outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
/* messenger of "driver to iop commands" */
arcmsr_hba_message_isr(acb);
}
@@ -1425,9 +1630,8 @@
{
uint32_t outbound_doorbell;
struct MessageUnit_B *reg = acb->pmuB;
-
outbound_doorbell = readl(reg->iop2drv_doorbell) &
- acb->outbound_int_enable;
+ acb->outbound_int_enable;
if (!outbound_doorbell)
return 1;
@@ -1436,7 +1640,7 @@
this action can push HW to write down the clear bit*/
readl(reg->iop2drv_doorbell);
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
- if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
+ if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
arcmsr_iop2drv_data_wrote_handle(acb);
}
if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) {
@@ -1445,14 +1649,37 @@
if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) {
arcmsr_hbb_postqueue_isr(acb);
}
- if (outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
+ if(outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
/* messenger of "driver to iop commands" */
arcmsr_hbb_message_isr(acb);
}
-
return 0;
}
+static int arcmsr_handle_hbc_isr(struct AdapterControlBlock *pACB)
+{
+ uint32_t host_interrupt_status;
+ struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
+ /*
+ *********************************************
+ ** check outbound intstatus
+ *********************************************
+ */
+ host_interrupt_status = readl(&phbcmu->host_int_status);
+ if (!host_interrupt_status) {
+ /*it must be share irq*/
+ return 1;
+ }
+ /* MU ioctl transfer doorbell interrupts*/
+ if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) {
+ arcmsr_hbc_doorbell_isr(pACB); /* messenger of "ioctl message read write" */
+ }
+ /* MU post queue interrupts*/
+ if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) {
+ arcmsr_hbc_postqueue_isr(pACB); /* messenger of "scsi commands" */
+ }
+ return 0;
+}
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -1469,6 +1696,11 @@
}
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ if (arcmsr_handle_hbc_isr(acb)) {
+ return IRQ_NONE;
+ }
+ }
}
return IRQ_HANDLED;
}
@@ -1495,7 +1727,6 @@
struct QBUFFER __iomem *pwbuffer;
uint8_t __iomem *iop_data;
int32_t allxfer_len = 0;
-
pwbuffer = arcmsr_get_iop_wqbuffer(acb);
iop_data = (uint8_t __iomem *)pwbuffer->data;
if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) {
@@ -1528,7 +1759,6 @@
(uint32_t ) cmd->cmnd[7] << 8 |
(uint32_t ) cmd->cmnd[8];
/* 4 bytes: Areca io control code */
-
sg = scsi_sglist(cmd);
buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset;
if (scsi_sg_count(cmd) > 1) {
@@ -1554,7 +1784,7 @@
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
-
+
ptmpQbuffer = ver_addr;
while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
&& (allxfer_len < 1031)) {
@@ -1586,10 +1816,10 @@
}
memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len);
pcmdmessagefld->cmdmessage.Length = allxfer_len;
- if (acb->fw_flag == FW_DEADLOCK) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- } else {
- pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
}
kfree(ver_addr);
}
@@ -1605,11 +1835,11 @@
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
- if (acb->fw_flag == FW_DEADLOCK) {
- pcmdmessagefld->cmdmessage.ReturnCode =
+ if(acb->fw_flag == FW_DEADLOCK) {
+ pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- } else {
- pcmdmessagefld->cmdmessage.ReturnCode =
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
ptmpuserbuffer = ver_addr;
@@ -1672,10 +1902,10 @@
acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
- if (acb->fw_flag == FW_DEADLOCK) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- } else {
+ }else{
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
@@ -1684,10 +1914,10 @@
case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
uint8_t *pQbuffer = acb->wqbuffer;
- if (acb->fw_flag == FW_DEADLOCK) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- } else {
+ }else{
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
@@ -1724,10 +1954,10 @@
memset(pQbuffer, 0, sizeof(struct QBUFFER));
pQbuffer = acb->wqbuffer;
memset(pQbuffer, 0, sizeof(struct QBUFFER));
- if (acb->fw_flag == FW_DEADLOCK) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- } else {
+ }else{
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
@@ -1735,10 +1965,10 @@
break;
case ARCMSR_MESSAGE_RETURN_CODE_3F: {
- if (acb->fw_flag == FW_DEADLOCK) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- } else {
+ }else{
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_3F;
}
@@ -1746,10 +1976,10 @@
}
case ARCMSR_MESSAGE_SAY_HELLO: {
int8_t *hello_string = "Hello! I am ARCMSR";
- if (acb->fw_flag == FW_DEADLOCK) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- } else {
+ }else{
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_OK;
}
@@ -1759,7 +1989,7 @@
break;
case ARCMSR_MESSAGE_SAY_GOODBYE:
- if (acb->fw_flag == FW_DEADLOCK) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
}
@@ -1767,7 +1997,7 @@
break;
case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
- if (acb->fw_flag == FW_DEADLOCK) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
}
@@ -1792,7 +2022,7 @@
if (!list_empty(head)) {
ccb = list_entry(head->next, struct CommandControlBlock, list);
list_del_init(&ccb->list);
- } else {
+ }else{
spin_unlock_irqrestore(&acb->ccblist_lock, flags);
return 0;
}
@@ -1862,29 +2092,29 @@
cmd->scsi_done = done;
cmd->host_scribble = NULL;
cmd->result = 0;
-
- if ((scsicmd == SYNCHRONIZE_CACHE) || (scsicmd == SEND_DIAGNOSTIC)) {
- if (acb->devstate[target][lun] == ARECA_RAID_GONE) {
- cmd->result = (DID_NO_CONNECT << 16);
+ if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){
+ if(acb->devstate[target][lun] == ARECA_RAID_GONE) {
+ cmd->result = (DID_NO_CONNECT << 16);
}
cmd->scsi_done(cmd);
return 0;
}
-
if (target == 16) {
/* virtual device for iop message transfer */
arcmsr_handle_virtual_command(acb, cmd);
return 0;
}
-
if (atomic_read(&acb->ccboutstandingcount) >=
ARCMSR_MAX_OUTSTANDING_CMD)
return SCSI_MLQUEUE_HOST_BUSY;
-
+ if ((scsicmd == SCSI_CMD_ARECA_SPECIFIC)) {
+ printk(KERN_NOTICE "Receiveing SCSI_CMD_ARECA_SPECIFIC command..\n");
+ return 0;
+ }
ccb = arcmsr_get_freeccb(acb);
if (!ccb)
return SCSI_MLQUEUE_HOST_BUSY;
- if ( arcmsr_build_ccb( acb, ccb, cmd ) == FAILED ) {
+ if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) {
cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1);
cmd->scsi_done(cmd);
return 0;
@@ -1901,17 +2131,16 @@
char *acb_device_map = acb->device_map;
char __iomem *iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]);
char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]);
- char __iomem *iop_device_map = (char __iomem *) (®->message_rwbuffer[21]);
+ char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]);
int count;
-
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
- if (arcmsr_hba_wait_msgint_ready(acb)) {
+ if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", acb->host->host_no);
return false;
}
count = 8;
- while (count) {
+ while (count){
*acb_firm_model = readb(iop_firm_model);
acb_firm_model++;
iop_firm_model++;
@@ -1919,25 +2148,25 @@
}
count = 16;
- while (count) {
+ while (count){
*acb_firm_version = readb(iop_firm_version);
acb_firm_version++;
iop_firm_version++;
count--;
}
- count = 16;
- while (count) {
- *acb_device_map = readb(iop_device_map);
- acb_device_map++;
- iop_device_map++;
- count--;
- }
- printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
+ count=16;
+ while(count){
+ *acb_device_map = readb(iop_device_map);
+ acb_device_map++;
+ iop_device_map++;
+ count--;
+ }
+ printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
acb->host->host_no,
acb->firm_version,
acb->firm_model);
- acb->signature = readl(®->message_rwbuffer[0]);
+ acb->signature = readl(®->message_rwbuffer[0]);
acb->firm_request_len = readl(®->message_rwbuffer[1]);
acb->firm_numbers_queue = readl(®->message_rwbuffer[2]);
acb->firm_sdram_size = readl(®->message_rwbuffer[3]);
@@ -1962,14 +2191,14 @@
/*firm_version,21,84-99*/
int count;
dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL);
- if (!dma_coherent) {
+ if (!dma_coherent){
printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", acb->host->host_no);
return false;
}
acb->dma_coherent_handle_hbb_mu = dma_coherent_handle;
reg = (struct MessageUnit_B *)dma_coherent;
acb->pmuB = reg;
- reg->drv2iop_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL);
+ reg->drv2iop_doorbell= (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL);
reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK);
reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL);
reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK);
@@ -1981,12 +2210,87 @@
iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/
writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
miscellaneous data' timeout \n", acb->host->host_no);
return false;
}
count = 8;
+ while (count){
+ *acb_firm_model = readb(iop_firm_model);
+ acb_firm_model++;
+ iop_firm_model++;
+ count--;
+ }
+ count = 16;
+ while (count){
+ *acb_firm_version = readb(iop_firm_version);
+ acb_firm_version++;
+ iop_firm_version++;
+ count--;
+ }
+
+ count = 16;
+ while(count){
+ *acb_device_map = readb(iop_device_map);
+ acb_device_map++;
+ iop_device_map++;
+ count--;
+ }
+
+ printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
+ acb->host->host_no,
+ acb->firm_version,
+ acb->firm_model);
+
+ acb->signature = readl(®->message_rwbuffer[1]);
+ /*firm_signature,1,00-03*/
+ acb->firm_request_len = readl(®->message_rwbuffer[2]);
+ /*firm_request_len,1,04-07*/
+ acb->firm_numbers_queue = readl(®->message_rwbuffer[3]);
+ /*firm_numbers_queue,2,08-11*/
+ acb->firm_sdram_size = readl(®->message_rwbuffer[4]);
+ /*firm_sdram_size,3,12-15*/
+ acb->firm_hd_channels = readl(®->message_rwbuffer[5]);
+ /*firm_ide_channels,4,16-19*/
+ acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
+ /*firm_ide_channels,4,16-19*/
+ return true;
+}
+
+static bool arcmsr_get_hbc_config(struct AdapterControlBlock *pACB)
+{
+ uint32_t intmask_org, Index, firmware_state = 0;
+ struct MessageUnit_C *reg = pACB->pmuC;
+ char *acb_firm_model = pACB->firm_model;
+ char *acb_firm_version = pACB->firm_version;
+ char *iop_firm_model = (char *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/
+ char *iop_firm_version = (char *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/
+ int count;
+ /* disable all outbound interrupt */
+ intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */
+ writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask);
+ /* wait firmware ready */
+ do {
+ firmware_state = readl(®->outbound_msgaddr1);
+ } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
+ /* post "get config" instruction */
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
+ /* wait message ready */
+ for (Index = 0; Index < 2000; Index++) {
+ if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/
+ break;
+ }
+ udelay(10);
+ } /*max 1 seconds*/
+ if (Index >= 2000) {
+ printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
+ miscellaneous data' timeout \n", pACB->host->host_no);
+ return false;
+ }
+ count = 8;
while (count) {
*acb_firm_model = readb(iop_firm_model);
acb_firm_model++;
@@ -2000,40 +2304,26 @@
iop_firm_version++;
count--;
}
-
- count = 16;
- while (count) {
- *acb_device_map = readb(iop_device_map);
- acb_device_map++;
- iop_device_map++;
- count--;
- }
-
printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
- acb->host->host_no,
- acb->firm_version,
- acb->firm_model);
-
- acb->signature = readl(®->message_rwbuffer[1]);
- /*firm_signature,1,00-03*/
- acb->firm_request_len = readl(®->message_rwbuffer[2]);
- /*firm_request_len,1,04-07*/
- acb->firm_numbers_queue = readl(®->message_rwbuffer[3]);
- /*firm_numbers_queue,2,08-11*/
- acb->firm_sdram_size = readl(®->message_rwbuffer[4]);
- /*firm_sdram_size,3,12-15*/
- acb->firm_hd_channels = readl(®->message_rwbuffer[5]);
- /*firm_ide_channels,4,16-19*/
- acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
- /*firm_ide_channels,4,16-19*/
+ pACB->host->host_no,
+ pACB->firm_version,
+ pACB->firm_model);
+ pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/
+ pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/
+ pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/
+ pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/
+ pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
+ /*all interrupt service will be enable at arcmsr_iop_init*/
return true;
}
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
{
if (acb->adapter_type == ACB_ADAPTER_TYPE_A)
return arcmsr_get_hba_config(acb);
- else
+ else if (acb->adapter_type == ACB_ADAPTER_TYPE_B)
return arcmsr_get_hbb_config(acb);
+ else
+ return arcmsr_get_hbc_config(acb);
}
static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
@@ -2044,18 +2334,19 @@
struct ARCMSR_CDB *arcmsr_cdb;
uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0;
int rtn;
-
+ bool error;
polling_hba_ccb_retry:
poll_count++;
outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable;
writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/
while (1) {
if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) {
- if (poll_ccb_done) {
+ if (poll_ccb_done){
rtn = SUCCESS;
break;
- } else {
- if (poll_count > 100) {
+ }else {
+ msleep(25);
+ if (poll_count > 100){
rtn = FAILED;
break;
}
@@ -2084,76 +2375,132 @@
, ccb
, atomic_read(&acb->ccboutstandingcount));
continue;
- } else {
- arcmsr_report_ccb_state(acb, ccb, flag_ccb);
+ }
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ arcmsr_report_ccb_state(acb, ccb, error);
}
-}
return rtn;
}
static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
- struct MessageUnit_B *reg = acb->pmuB;
+ struct MessageUnit_B *reg = acb->pmuB;
struct ARCMSR_CDB *arcmsr_cdb;
- struct CommandControlBlock *ccb;
- uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
+ struct CommandControlBlock *ccb;
+ uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
int index, rtn;
-
+ bool error;
polling_hbb_ccb_retry:
- poll_count++;
- /* clear doorbell interrupt */
+ poll_count++;
+ /* clear doorbell interrupt */
writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
- while (1) {
- index = reg->doneq_index;
- if ((flag_ccb = readl(®->done_qbuffer[index])) == 0) {
- if (poll_ccb_done) {
+ while(1){
+ index = reg->doneq_index;
+ if ((flag_ccb = readl(®->done_qbuffer[index])) == 0) {
+ if (poll_ccb_done){
rtn = SUCCESS;
- break;
- } else {
- msleep(25);
- if (poll_count > 100) {
+ break;
+ }else {
+ msleep(25);
+ if (poll_count > 100){
rtn = FAILED;
- break;
+ break;
}
- goto polling_hbb_ccb_retry;
- }
+ goto polling_hbb_ccb_retry;
}
- writel(0, ®->done_qbuffer[index]);
- index++;
- /*if last index number set it to 0 */
- index %= ARCMSR_MAX_HBB_POSTQUEUE;
- reg->doneq_index = index;
- /* check ifcommand done with no error*/
+ }
+ writel(0, ®->done_qbuffer[index]);
+ index++;
+ /*if last index number set it to 0 */
+ index %= ARCMSR_MAX_HBB_POSTQUEUE;
+ reg->doneq_index = index;
+ /* check if command done with no error*/
arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));
ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
- poll_ccb_done = (ccb == poll_ccb) ? 1:0;
- if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
- if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
+ poll_ccb_done = (ccb == poll_ccb) ? 1:0;
+ if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
+ if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) {
printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
" poll command abort successfully \n"
- ,acb->host->host_no
- ,ccb->pcmd->device->id
- ,ccb->pcmd->device->lun
- ,ccb);
- ccb->pcmd->result = DID_ABORT << 16;
+ ,acb->host->host_no
+ ,ccb->pcmd->device->id
+ ,ccb->pcmd->device->lun
+ ,ccb);
+ ccb->pcmd->result = DID_ABORT << 16;
arcmsr_ccb_complete(ccb);
- continue;
- }
- 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;
- } else {
- arcmsr_report_ccb_state(acb, ccb, flag_ccb);
- }
- } /*drain reply FIFO*/
+ }
+ 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;
+ }
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false;
+ arcmsr_report_ccb_state(acb, ccb, error);
+ }
return rtn;
}
+static int arcmsr_polling_hbc_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb)
+{
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+ uint32_t flag_ccb, ccb_cdb_phy;
+ struct ARCMSR_CDB *arcmsr_cdb;
+ bool error;
+ struct CommandControlBlock *pCCB;
+ uint32_t poll_ccb_done = 0, poll_count = 0;
+ int rtn;
+polling_hbc_ccb_retry:
+ poll_count++;
+ while (1) {
+ if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) {
+ if (poll_ccb_done) {
+ rtn = SUCCESS;
+ break;
+ } else {
+ msleep(25);
+ if (poll_count > 100) {
+ rtn = FAILED;
+ break;
+ }
+ goto polling_hbc_ccb_retry;
+ }
+ }
+ flag_ccb = readl(®->outbound_queueport_low);
+ ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/
+ pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb);
+ poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0;
+ /* check ifcommand done with no error*/
+ if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) {
+ if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
+ printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'"
+ " poll command abort successfully \n"
+ , acb->host->host_no
+ , pCCB->pcmd->device->id
+ , pCCB->pcmd->device->lun
+ , pCCB);
+ pCCB->pcmd->result = DID_ABORT << 16;
+ arcmsr_ccb_complete(pCCB);
+ continue;
+ }
+ printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
+ " command done ccb = '0x%p'"
+ "ccboutstandingcount = %d \n"
+ , acb->host->host_no
+ , pCCB
+ , atomic_read(&acb->ccboutstandingcount));
+ continue;
+ }
+ error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false;
+ arcmsr_report_ccb_state(acb, pCCB, error);
+ }
+ return rtn;
+}
static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
@@ -2168,6 +2515,10 @@
case ACB_ADAPTER_TYPE_B: {
rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb);
}
+ break;
+ case ACB_ADAPTER_TYPE_C: {
+ rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb);
+ }
}
return rtn;
}
@@ -2185,6 +2536,7 @@
dma_coherent_handle = acb->dma_coherent_handle;
cdb_phyaddr = (uint32_t)(dma_coherent_handle);
cdb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
+ acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
/*
***********************************************************************
** if adapter type B, set window of "post command Q"
@@ -2202,7 +2554,7 @@
writel(cdb_phyaddr_hi32, ®->message_rwbuffer[1]);
writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
®->inbound_msgaddr0);
- if (arcmsr_hba_wait_msgint_ready(acb)) {
+ if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: ""set ccb high \
part physical address timeout\n",
acb->host->host_no);
@@ -2223,7 +2575,7 @@
reg->postq_index = 0;
reg->doneq_index = 0;
writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \
acb->host->host_no);
return 1;
@@ -2242,7 +2594,7 @@
writel(1056, rwbuffer);
writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
timeout \n",acb->host->host_no);
return 1;
@@ -2251,6 +2603,27 @@
arcmsr_enable_outbound_ints(acb, intmask_org);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ if (cdb_phyaddr_hi32 != 0) {
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+
+ if (cdb_phyaddr_hi32 != 0) {
+ unsigned char Retries = 0x00;
+ do {
+ printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x \n", acb->adapter_index, cdb_phyaddr_hi32);
+ } while (Retries++ < 100);
+ }
+ writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]);
+ writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]);
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
+ if (!arcmsr_hbc_wait_msgint_ready(acb)) {
+ printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
+ timeout \n", acb->host->host_no);
+ return 1;
+ }
+ }
+ }
}
return 0;
}
@@ -2258,7 +2631,6 @@
static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
{
uint32_t firmware_state = 0;
-
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
@@ -2277,12 +2649,56 @@
writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+ do {
+ firmware_state = readl(®->outbound_msgaddr1);
+ } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
+ }
}
}
static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
+ if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
+ return;
+ } else {
+ acb->fw_flag = FW_NORMAL;
+ if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){
+ atomic_set(&acb->rq_map_token, 16);
+ }
+ atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
+ if (atomic_dec_and_test(&acb->rq_map_token))
+ return;
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
+ mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ }
+ return;
+}
+
+static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_B __iomem *reg = acb->pmuB;
+ if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){
+ return;
+ } else {
+ acb->fw_flag = FW_NORMAL;
+ if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
+ atomic_set(&acb->rq_map_token,16);
+ }
+ atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
+ if(atomic_dec_and_test(&acb->rq_map_token))
+ return;
+ writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
+ mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
+ }
+ return;
+}
+
+static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_C __iomem *reg = acb->pmuC;
if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) {
return;
} else {
@@ -2294,27 +2710,8 @@
if (atomic_dec_and_test(&acb->rq_map_token))
return;
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0);
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
- }
- return;
-}
-
-static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb)
-{
- struct MessageUnit_B __iomem *reg = acb->pmuB;
-
- if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) {
- return;
- } else {
- acb->fw_flag = FW_NORMAL;
- if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) {
- atomic_set(&acb->rq_map_token, 16);
- }
- atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token));
- if (atomic_dec_and_test(&acb->rq_map_token))
- return;
- writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell);
+ mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
}
return;
}
@@ -2322,7 +2719,6 @@
static void arcmsr_request_device_map(unsigned long pacb)
{
struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
-
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
arcmsr_request_hba_device_map(acb);
@@ -2332,6 +2728,9 @@
arcmsr_request_hbb_device_map(acb);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ arcmsr_request_hbc_device_map(acb);
+ }
}
}
@@ -2340,7 +2739,7 @@
struct MessageUnit_A __iomem *reg = acb->pmuA;
acb->acb_flags |= ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0);
- if (arcmsr_hba_wait_msgint_ready(acb)) {
+ if (!arcmsr_hba_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
rebulid' timeout \n", acb->host->host_no);
}
@@ -2351,12 +2750,24 @@
struct MessageUnit_B *reg = acb->pmuB;
acb->acb_flags |= ACB_F_MSG_START_BGRB;
writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
rebulid' timeout \n",acb->host->host_no);
}
}
+static void arcmsr_start_hbc_bgrb(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC;
+ pACB->acb_flags |= ACB_F_MSG_START_BGRB;
+ writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell);
+ if (!arcmsr_hbc_wait_msgint_ready(pACB)) {
+ printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \
+ rebulid' timeout \n", pACB->host->host_no);
+ }
+ return;
+}
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -2366,6 +2777,8 @@
case ACB_ADAPTER_TYPE_B:
arcmsr_start_hbb_bgrb(acb);
break;
+ case ACB_ADAPTER_TYPE_C:
+ arcmsr_start_hbc_bgrb(acb);
}
}
@@ -2391,6 +2804,14 @@
/* let IOP know data has been read */
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC;
+ uint32_t outbound_doorbell;
+ /* empty doorbell Qbuffer if door bell ringed */
+ outbound_doorbell = readl(®->outbound_doorbell);
+ writel(outbound_doorbell, ®->outbound_doorbell_clear);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
+ }
}
}
@@ -2403,12 +2824,14 @@
{
struct MessageUnit_B *reg = acb->pmuB;
writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell);
- if(arcmsr_hbb_wait_msgint_ready(acb)) {
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT");
return;
}
}
break;
+ case ACB_ADAPTER_TYPE_C:
+ return;
}
return;
}
@@ -2416,21 +2839,33 @@
static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
{
uint8_t value[64];
- int i;
- struct MessageUnit_A __iomem *reg = acb->pmuA;
-
+ int i, count = 0;
+ struct MessageUnit_A __iomem *pmuA = acb->pmuA;
+ struct MessageUnit_C __iomem *pmuC = acb->pmuC;
+ u32 temp = 0;
/* backup pci config data */
- printk(KERN_ERR "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no);
+ printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no);
for (i = 0; i < 64; i++) {
pci_read_config_byte(acb->pdev, i, &value[i]);
}
/* hardware reset signal */
if ((acb->dev_id == 0x1680)) {
- writel(ARCMSR_ARC1680_BUS_RESET, ®->reserved1[0]);
+ writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]);
+ } else if ((acb->dev_id == 0x1880)) {
+ do {
+ count++;
+ writel(0xF, &pmuC->write_sequence);
+ writel(0x4, &pmuC->write_sequence);
+ writel(0xB, &pmuC->write_sequence);
+ writel(0x2, &pmuC->write_sequence);
+ writel(0x7, &pmuC->write_sequence);
+ writel(0xD, &pmuC->write_sequence);
+ } while ((((temp = readl(&pmuC->host_diagnostic)) | ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5));
+ writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic);
} else {
- pci_write_config_byte(acb->pdev, 0x84, 0x20);
+ pci_write_config_byte(acb->pdev, 0x84, 0x20);
}
- msleep(1000);
+ msleep(2000);
/* write back pci config data */
for (i = 0; i < 64; i++) {
pci_write_config_byte(acb->pdev, i, value[i]);
@@ -2438,35 +2873,11 @@
msleep(1000);
return;
}
-/*
-****************************************************************************
-****************************************************************************
-*/
- int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd)
- {
- struct Scsi_Host *shost = NULL;
- int i, isleep;
-
- shost = cmd->device->host;
- isleep = sleeptime / 10;
- if (isleep > 0) {
- for (i = 0; i < isleep; i++) {
- msleep(10000);
- }
- }
-
- isleep = sleeptime % 10;
- if (isleep > 0) {
- msleep(isleep * 1000);
- }
- return 0;
- }
static void arcmsr_iop_init(struct AdapterControlBlock *acb)
{
uint32_t intmask_org;
-
- /* disable all outbound interrupt */
- intmask_org = arcmsr_disable_outbound_ints(acb);
+ /* disable all outbound interrupt */
+ intmask_org = arcmsr_disable_outbound_ints(acb);
arcmsr_wait_firmware_ready(acb);
arcmsr_iop_confirm(acb);
/*start background rebuild*/
@@ -2485,7 +2896,6 @@
uint32_t intmask_org;
uint8_t rtnval = 0x00;
int i = 0;
-
if (atomic_read(&acb->ccboutstandingcount) != 0) {
/* disable all outbound interrupt */
intmask_org = arcmsr_disable_outbound_ints(acb);
@@ -2514,54 +2924,50 @@
uint32_t intmask_org, outbound_doorbell;
int retry_count = 0;
int rtn = FAILED;
-
acb = (struct AdapterControlBlock *) cmd->device->host->hostdata;
- printk(KERN_ERR "arcmsr: executing eh bus reset .....num_resets = %d, \
- num_aborts = %d \n", acb->num_resets, acb->num_aborts);
+ printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts);
acb->num_resets++;
- switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
- if (acb->acb_flags & ACB_F_BUS_RESET) {
+ switch(acb->adapter_type){
+ case ACB_ADAPTER_TYPE_A:{
+ if (acb->acb_flags & ACB_F_BUS_RESET){
long timeout;
- timeout = wait_event_timeout(wait_q,
- (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
+ printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
+ timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
if (timeout) {
return SUCCESS;
}
}
acb->acb_flags |= ACB_F_BUS_RESET;
- if (arcmsr_iop_reset(acb)) {
+ if (!arcmsr_iop_reset(acb)) {
struct MessageUnit_A __iomem *reg;
reg = acb->pmuA;
- arcmsr_hardware_reset(acb);
- acb->acb_flags &= ~ACB_F_IOP_INITED;
+ arcmsr_hardware_reset(acb);
+ acb->acb_flags &= ~ACB_F_IOP_INITED;
sleep_again:
- arcmsr_sleep_for_bus_reset(cmd);
+ arcmsr_sleep_for_bus_reset(cmd);
if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
- printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, \
- retry=%d \n", acb->host->host_no, retry_count);
- if (retry_count > retrycount) {
+ printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d \n", acb->host->host_no, retry_count);
+ if (retry_count > retrycount) {
acb->fw_flag = FW_DEADLOCK;
- printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, \
- RETRY TERMINATED!! \n", acb->host->host_no);
+ printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!! \n", acb->host->host_no);
return FAILED;
- }
- retry_count++;
- goto sleep_again;
- }
- acb->acb_flags |= ACB_F_IOP_INITED;
- /* disable all outbound interrupt */
- intmask_org = arcmsr_disable_outbound_ints(acb);
+ }
+ retry_count++;
+ goto sleep_again;
+ }
+ acb->acb_flags |= ACB_F_IOP_INITED;
+ /* disable all outbound interrupt */
+ intmask_org = arcmsr_disable_outbound_ints(acb);
arcmsr_get_firmware_spec(acb);
- arcmsr_start_adapter_bgrb(acb);
- /* clear Qbuffer if door bell ringed */
- outbound_doorbell = readl(®->outbound_doorbell);
- writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */
- writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
- /* enable outbound Post Queue,outbound doorbell Interrupt */
- arcmsr_enable_outbound_ints(acb, intmask_org);
- atomic_set(&acb->rq_map_token, 16);
+ arcmsr_start_adapter_bgrb(acb);
+ /* clear Qbuffer if door bell ringed */
+ outbound_doorbell = readl(®->outbound_doorbell);
+ writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */
+ writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell);
+ /* enable outbound Post Queue,outbound doorbell Interrupt */
+ arcmsr_enable_outbound_ints(acb, intmask_org);
+ atomic_set(&acb->rq_map_token, 16);
atomic_set(&acb->ante_token_value, 16);
acb->fw_flag = FW_NORMAL;
init_timer(&acb->eternal_timer);
@@ -2571,39 +2977,13 @@
add_timer(&acb->eternal_timer);
acb->acb_flags &= ~ACB_F_BUS_RESET;
rtn = SUCCESS;
- printk(KERN_ERR "arcmsr: scsi eh bus reset succeeds\n");
+ printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
} else {
acb->acb_flags &= ~ACB_F_BUS_RESET;
if (atomic_read(&acb->rq_map_token) == 0) {
atomic_set(&acb->rq_map_token, 16);
atomic_set(&acb->ante_token_value, 16);
acb->fw_flag = FW_NORMAL;
- init_timer(&acb->eternal_timer);
- acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
- acb->eternal_timer.data = (unsigned long) acb;
- acb->eternal_timer.function = &arcmsr_request_device_map;
- add_timer(&acb->eternal_timer);
- } else {
- atomic_set(&acb->rq_map_token, 16);
- atomic_set(&acb->ante_token_value, 16);
- acb->fw_flag = FW_NORMAL;
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
- }
- rtn = SUCCESS;
- }
- break;
- }
- case ACB_ADAPTER_TYPE_B:{
- acb->acb_flags |= ACB_F_BUS_RESET;
- if (arcmsr_iop_reset(acb)) {
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- rtn = FAILED;
- } else {
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- if (atomic_read(&acb->rq_map_token) == 0) {
- atomic_set(&acb->rq_map_token, 16);
- atomic_set(&acb->ante_token_value, 16);
- acb->fw_flag = FW_NORMAL;
init_timer(&acb->eternal_timer);
acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
acb->eternal_timer.data = (unsigned long) acb;
@@ -2616,7 +2996,104 @@
mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
}
rtn = SUCCESS;
- }
+ }
+ break;
+ }
+ case ACB_ADAPTER_TYPE_B:{
+ acb->acb_flags |= ACB_F_BUS_RESET;
+ if (!arcmsr_iop_reset(acb)) {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ rtn = FAILED;
+ } else {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ if (atomic_read(&acb->rq_map_token) == 0) {
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ init_timer(&acb->eternal_timer);
+ acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
+ acb->eternal_timer.data = (unsigned long) acb;
+ acb->eternal_timer.function = &arcmsr_request_device_map;
+ add_timer(&acb->eternal_timer);
+ } else {
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
+ }
+ rtn = SUCCESS;
+ }
+ break;
+ }
+ case ACB_ADAPTER_TYPE_C:{
+ if (acb->acb_flags & ACB_F_BUS_RESET) {
+ long timeout;
+ printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n");
+ timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ);
+ if (timeout) {
+ return SUCCESS;
+ }
+ }
+ acb->acb_flags |= ACB_F_BUS_RESET;
+ if (!arcmsr_iop_reset(acb)) {
+ struct MessageUnit_C __iomem *reg;
+ reg = acb->pmuC;
+ arcmsr_hardware_reset(acb);
+ acb->acb_flags &= ~ACB_F_IOP_INITED;
+sleep:
+ arcmsr_sleep_for_bus_reset(cmd);
+ if ((readl(®->host_diagnostic) & 0x04) != 0) {
+ printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d \n", acb->host->host_no, retry_count);
+ if (retry_count > retrycount) {
+ acb->fw_flag = FW_DEADLOCK;
+ printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!! \n", acb->host->host_no);
+ return FAILED;
+ }
+ retry_count++;
+ goto sleep;
+ }
+ acb->acb_flags |= ACB_F_IOP_INITED;
+ /* disable all outbound interrupt */
+ intmask_org = arcmsr_disable_outbound_ints(acb);
+ arcmsr_get_firmware_spec(acb);
+ arcmsr_start_adapter_bgrb(acb);
+ /* clear Qbuffer if door bell ringed */
+ outbound_doorbell = readl(®->outbound_doorbell);
+ writel(outbound_doorbell, ®->outbound_doorbell_clear); /*clear interrupt */
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell);
+ /* enable outbound Post Queue,outbound doorbell Interrupt */
+ arcmsr_enable_outbound_ints(acb, intmask_org);
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ init_timer(&acb->eternal_timer);
+ acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ);
+ acb->eternal_timer.data = (unsigned long) acb;
+ acb->eternal_timer.function = &arcmsr_request_device_map;
+ add_timer(&acb->eternal_timer);
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ rtn = SUCCESS;
+ printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n");
+ } else {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ if (atomic_read(&acb->rq_map_token) == 0) {
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ init_timer(&acb->eternal_timer);
+ acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6*HZ);
+ acb->eternal_timer.data = (unsigned long) acb;
+ acb->eternal_timer.function = &arcmsr_request_device_map;
+ add_timer(&acb->eternal_timer);
+ } else {
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ));
+ }
+ rtn = SUCCESS;
+ }
+ break;
}
}
return rtn;
@@ -2626,9 +3103,7 @@
struct CommandControlBlock *ccb)
{
int rtn;
- spin_lock_irq(&acb->eh_lock);
rtn = arcmsr_polling_ccbdone(acb, ccb);
- spin_unlock_irq(&acb->eh_lock);
return rtn;
}
@@ -2638,7 +3113,6 @@
(struct AdapterControlBlock *)cmd->device->host->hostdata;
int i = 0;
int rtn = FAILED;
-
printk(KERN_NOTICE
"arcmsr%d: abort device command of scsi id = %d lun = %d \n",
acb->host->host_no, cmd->device->id, cmd->device->lun);
@@ -2672,7 +3146,6 @@
static char buf[256];
char *type;
int raid6 = 1;
-
switch (acb->pdev->device) {
case PCI_DEVICE_ID_ARECA_1110:
case PCI_DEVICE_ID_ARECA_1200:
@@ -2696,6 +3169,7 @@
case PCI_DEVICE_ID_ARECA_1381:
case PCI_DEVICE_ID_ARECA_1680:
case PCI_DEVICE_ID_ARECA_1681:
+ case PCI_DEVICE_ID_ARECA_1880:
type = "SAS";
break;
default: