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path: root/drivers/scsi/arcmsr/arcmsr_hba.c
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Diffstat (limited to 'drivers/scsi/arcmsr/arcmsr_hba.c')
-rw-r--r--drivers/scsi/arcmsr/arcmsr_hba.c2309
1 files changed, 1399 insertions, 910 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index ffa54792bb3..95a895dd4f1 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -58,7 +58,6 @@
#include <linux/timer.h>
#include <linux/pci.h>
#include <linux/aer.h>
-#include <linux/slab.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/system.h>
@@ -71,20 +70,13 @@
#include <scsi/scsi_transport.h>
#include <scsi/scsicam.h>
#include "arcmsr.h"
-
-#ifdef CONFIG_SCSI_ARCMSR_RESET
- static int sleeptime = 20;
- static int retrycount = 12;
- module_param(sleeptime, int, S_IRUGO|S_IWUSR);
- MODULE_PARM_DESC(sleeptime, "The waiting period for FW ready while bus reset");
- module_param(retrycount, int, S_IRUGO|S_IWUSR);
- MODULE_PARM_DESC(retrycount, "The retry count for FW ready while bus reset");
-#endif
-MODULE_AUTHOR("Erich Chen <support@areca.com.tw>");
-MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID Host Bus Adapter");
+MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>");
+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 = 10;
+static int retrycount = 30;
+wait_queue_head_t wait_q;
static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
struct scsi_cmnd *cmd);
static int arcmsr_iop_confirm(struct AdapterControlBlock *acb);
@@ -107,10 +99,12 @@ static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb);
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 void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode);
+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,
@@ -127,18 +121,18 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev,
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_OUTSTANDING_CMD,
- .this_id = ARCMSR_SCSI_INITIATOR_ID,
- .sg_tablesize = ARCMSR_MAX_SG_ENTRIES,
- .max_sectors = ARCMSR_MAX_XFER_SECTORS,
+ .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,
.cmd_per_lun = ARCMSR_MAX_CMD_PERLUN,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = arcmsr_host_attrs,
@@ -162,26 +156,125 @@ static struct pci_device_id arcmsr_device_id_table[] = {
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681)},
+ {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880)},
{0, 0}, /* Terminating entry */
};
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);
+ }
+ }
+
+ 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:{
+ dma_free_coherent(&acb->pdev->dev,
+ sizeof(struct MessageUnit_B),
+ acb->pmuB, acb->dma_coherent_handle_hbb_mu);
+ }
+ }
+}
+
+static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb)
+{
+ struct pci_dev *pdev = acb->pdev;
+ switch (acb->adapter_type){
+ case ACB_ADAPTER_TYPE_A:{
+ 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;
+ }
+ break;
+ }
+ case ACB_ADAPTER_TYPE_B:{
+ void __iomem *mem_base0, *mem_base1;
+ mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0));
+ if (!mem_base0) {
+ printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
+ return false;
+ }
+ mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
+ if (!mem_base1) {
+ iounmap(mem_base0);
+ printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no);
+ return false;
+ }
+ 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;
+}
+
+static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb)
+{
+ switch (acb->adapter_type) {
+ 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);
+ }
+ }
+}
static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id)
{
irqreturn_t handle_state;
struct AdapterControlBlock *acb = dev_id;
- spin_lock(acb->host->host_lock);
handle_state = arcmsr_interrupt(acb);
- spin_unlock(acb->host->host_lock);
-
return handle_state;
}
@@ -218,181 +311,228 @@ static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb)
struct pci_dev *pdev = acb->pdev;
u16 dev_id;
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 int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
+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(&reg->outbound_intstatus) &
+ ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
+ writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
+ &reg->outbound_intstatus);
+ return true;
+ }
+ msleep(10);
+ }/*max 1 seconds*/
- switch (acb->adapter_type) {
-
- case ACB_ADAPTER_TYPE_A: {
- struct pci_dev *pdev = acb->pdev;
- void *dma_coherent;
- dma_addr_t dma_coherent_handle, dma_addr;
- struct CommandControlBlock *ccb_tmp;
- int i, j;
+ } while (Retries++ < 20);/*max 20 sec*/
+ return false;
+}
- 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 -ENOMEM;
- }
+static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
+{
+ 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)
+ & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN
+ , reg->iop2drv_doorbell);
+ writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
+ return true;
+ }
+ msleep(10);
+ }/*max 1 seconds*/
- dma_coherent = dma_alloc_coherent(&pdev->dev,
- ARCMSR_MAX_FREECCB_NUM *
- sizeof (struct CommandControlBlock) + 0x20,
- &dma_coherent_handle, GFP_KERNEL);
+ } while (Retries++ < 20);/*max 20 sec*/
+ return false;
+}
- if (!dma_coherent) {
- iounmap(acb->pmuA);
- return -ENOMEM;
+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, &reg->inbound_msgaddr0);
+ do {
+ if (arcmsr_hba_wait_msgint_ready(acb))
+ break;
+ else {
+ retry_count--;
+ printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
+ timeout, retry count down = %d \n", acb->host->host_no, retry_count);
}
+ } while (retry_count != 0);
+}
- acb->dma_coherent = dma_coherent;
- acb->dma_coherent_handle = dma_coherent_handle;
-
- if (((unsigned long)dma_coherent & 0x1F)) {
- dma_coherent = dma_coherent +
- (0x20 - ((unsigned long)dma_coherent & 0x1F));
- dma_coherent_handle = dma_coherent_handle +
- (0x20 - ((unsigned long)dma_coherent_handle & 0x1F));
+static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
+{
+ 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))
+ break;
+ else {
+ retry_count--;
+ printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
+ timeout,retry count down = %d \n", acb->host->host_no, retry_count);
}
+ } while (retry_count != 0);
+}
- dma_addr = dma_coherent_handle;
- ccb_tmp = (struct CommandControlBlock *)dma_coherent;
- for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
- ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5;
- ccb_tmp->acb = acb;
- acb->pccb_pool[i] = ccb_tmp;
- list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
- dma_addr = dma_addr + sizeof(struct CommandControlBlock);
- ccb_tmp++;
+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, &reg->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->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) {
- acb->vir2phy_offset = (unsigned long)ccb_tmp -(unsigned long)dma_addr;
- for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
- for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
- acb->devstate[i][j] = ARECA_RAID_GONE;
+ case ACB_ADAPTER_TYPE_A: {
+ arcmsr_flush_hba_cache(acb);
}
break;
case ACB_ADAPTER_TYPE_B: {
-
- struct pci_dev *pdev = acb->pdev;
- struct MessageUnit_B *reg;
- void __iomem *mem_base0, *mem_base1;
- void *dma_coherent;
- dma_addr_t dma_coherent_handle, dma_addr;
- struct CommandControlBlock *ccb_tmp;
- int i, j;
-
- dma_coherent = dma_alloc_coherent(&pdev->dev,
- ((ARCMSR_MAX_FREECCB_NUM *
- sizeof(struct CommandControlBlock) + 0x20) +
- sizeof(struct MessageUnit_B)),
- &dma_coherent_handle, GFP_KERNEL);
- if (!dma_coherent)
- return -ENOMEM;
-
- acb->dma_coherent = dma_coherent;
- acb->dma_coherent_handle = dma_coherent_handle;
-
- if (((unsigned long)dma_coherent & 0x1F)) {
- dma_coherent = dma_coherent +
- (0x20 - ((unsigned long)dma_coherent & 0x1F));
- dma_coherent_handle = dma_coherent_handle +
- (0x20 - ((unsigned long)dma_coherent_handle & 0x1F));
- }
-
- dma_addr = dma_coherent_handle;
- ccb_tmp = (struct CommandControlBlock *)dma_coherent;
- for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
- ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5;
- ccb_tmp->acb = acb;
- acb->pccb_pool[i] = ccb_tmp;
- list_add_tail(&ccb_tmp->list, &acb->ccb_free_list);
- dma_addr = dma_addr + sizeof(struct CommandControlBlock);
- ccb_tmp++;
- }
-
- reg = (struct MessageUnit_B *)(dma_coherent +
- ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock));
- acb->pmuB = reg;
- mem_base0 = ioremap(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
- if (!mem_base0)
- goto out;
-
- mem_base1 = ioremap(pci_resource_start(pdev, 2),
- pci_resource_len(pdev, 2));
- if (!mem_base1) {
- iounmap(mem_base0);
- goto out;
- }
-
- reg->drv2iop_doorbell_reg = mem_base0 + ARCMSR_DRV2IOP_DOORBELL;
- reg->drv2iop_doorbell_mask_reg = mem_base0 +
- ARCMSR_DRV2IOP_DOORBELL_MASK;
- reg->iop2drv_doorbell_reg = mem_base0 + ARCMSR_IOP2DRV_DOORBELL;
- reg->iop2drv_doorbell_mask_reg = mem_base0 +
- ARCMSR_IOP2DRV_DOORBELL_MASK;
- reg->ioctl_wbuffer_reg = mem_base1 + ARCMSR_IOCTL_WBUFFER;
- reg->ioctl_rbuffer_reg = mem_base1 + ARCMSR_IOCTL_RBUFFER;
- reg->msgcode_rwbuffer_reg = mem_base1 + ARCMSR_MSGCODE_RWBUFFER;
-
- acb->vir2phy_offset = (unsigned long)ccb_tmp -(unsigned long)dma_addr;
- for (i = 0; i < ARCMSR_MAX_TARGETID; i++)
- for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++)
- acb->devstate[i][j] = ARECA_RAID_GOOD;
+ arcmsr_flush_hbb_cache(acb);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ arcmsr_flush_hbc_cache(acb);
+ }
}
- return 0;
-
-out:
- dma_free_coherent(&acb->pdev->dev,
- (ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 +
- sizeof(struct MessageUnit_B)), acb->dma_coherent, acb->dma_coherent_handle);
- return -ENOMEM;
}
-static void arcmsr_message_isr_bh_fn(struct work_struct *work)
+
+static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb)
{
- struct AdapterControlBlock *acb = container_of(work, struct AdapterControlBlock, arcmsr_do_message_isr_bh);
+ 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;
+
+ 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);
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 *) (&reg->message_rwbuffer[0]);
- char __iomem *devicemap = (char __iomem *) (&reg->message_rwbuffer[21]);
+ uint32_t __iomem *signature = (uint32_t __iomem*) (&reg->message_rwbuffer[0]);
+ char __iomem *devicemap = (char __iomem*) (&reg->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);
}
@@ -411,8 +551,45 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work)
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 *)(&reg->msgcode_rwbuffer_reg[0]);
- char __iomem *devicemap = (char __iomem *)(&reg->msgcode_rwbuffer_reg[21]);
+ uint32_t __iomem *signature = (uint32_t __iomem*)(&reg->message_rwbuffer[0]);
+ char __iomem *devicemap = (char __iomem*)(&reg->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 *)(&reg->msgcode_rwbuffer[0]);
+ char __iomem *devicemap = (char __iomem *)(&reg->msgcode_rwbuffer[21]);
int target, lun;
struct scsi_device *psdev;
char diff;
@@ -447,185 +624,152 @@ static void arcmsr_message_isr_bh_fn(struct work_struct *work)
}
}
-static int arcmsr_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
+static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
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)
- goto out;
- pci_set_master(pdev);
-
- host = scsi_host_alloc(&arcmsr_scsi_host_template,
- sizeof(struct AdapterControlBlock));
- if (!host) {
- error = -ENOMEM;
- goto out_disable_device;
+ if(error){
+ return -ENODEV;
+ }
+ host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock));
+ if(!host){
+ goto pci_disable_dev;
}
- acb = (struct AdapterControlBlock *)host->hostdata;
- memset(acb, 0, sizeof (struct AdapterControlBlock));
-
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);
- goto out_host_put;
+ goto scsi_host_release;
}
}
+ init_waitqueue_head(&wait_q);
bus = pdev->bus->number;
dev_fun = pdev->devfn;
- acb->host = host;
+ acb = (struct AdapterControlBlock *) host->hostdata;
+ memset(acb,0,sizeof(struct AdapterControlBlock));
acb->pdev = pdev;
- host->max_sectors = ARCMSR_MAX_XFER_SECTORS;
+ 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->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->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;
- host->irq = pdev->irq;
+ pci_set_drvdata(pdev, host);
+ pci_set_master(pdev);
error = pci_request_regions(pdev, "arcmsr");
- if (error) {
- goto out_host_put;
+ if(error){
+ goto scsi_host_release;
}
- arcmsr_define_adapter_type(acb);
-
+ 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);
- INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
+ arcmsr_define_adapter_type(acb);
+ error = arcmsr_remap_pciregion(acb);
+ if(!error){
+ goto pci_release_regs;
+ }
+ error = arcmsr_get_firmware_spec(acb);
+ if(!error){
+ goto unmap_pci_region;
+ }
error = arcmsr_alloc_ccb_pool(acb);
- if (error)
- goto out_release_regions;
-
+ if(error){
+ goto free_hbb_mu;
+ }
arcmsr_iop_init(acb);
- error = request_irq(pdev->irq, arcmsr_do_interrupt,
- IRQF_SHARED, "arcmsr", acb);
- if (error)
- goto out_free_ccb_pool;
-
- 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)
- goto out_free_irq;
-
- error = arcmsr_alloc_sysfs_attr(acb);
- if (error)
- goto out_free_sysfs;
-
- scsi_scan_host(host);
- #ifdef CONFIG_SCSI_ARCMSR_AER
- pci_enable_pcie_error_reporting(pdev);
- #endif
+ if(error){
+ goto RAID_controller_stop;
+ }
+ error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb);
+ if(error){
+ goto scsi_host_remove;
+ }
+ host->irq = pdev->irq;
+ scsi_scan_host(host);
+ INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn);
atomic_set(&acb->rq_map_token, 16);
- acb->fw_state = true;
+ 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(10*HZ);
+ 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);
-
+ if(arcmsr_alloc_sysfs_attr(acb))
+ goto out_free_sysfs;
return 0;
- out_free_sysfs:
- out_free_irq:
- free_irq(pdev->irq, acb);
- out_free_ccb_pool:
+out_free_sysfs:
+scsi_host_remove:
+ scsi_remove_host(host);
+RAID_controller_stop:
+ arcmsr_stop_adapter_bgrb(acb);
+ arcmsr_flush_adapter_cache(acb);
arcmsr_free_ccb_pool(acb);
- out_release_regions:
+free_hbb_mu:
+ arcmsr_free_hbb_mu(acb);
+unmap_pci_region:
+ arcmsr_unmap_pciregion(acb);
+pci_release_regs:
pci_release_regions(pdev);
- out_host_put:
+scsi_host_release:
scsi_host_put(host);
- out_disable_device:
+pci_disable_dev:
pci_disable_device(pdev);
- out:
- return error;
-}
-
-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(&reg->outbound_intstatus) &
- ARCMSR_MU_OUTBOUND_MESSAGE0_INT) {
- writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT,
- &reg->outbound_intstatus);
- return 0x00;
- }
- msleep(10);
- }/*max 1 seconds*/
-
- } while (Retries++ < 20);/*max 20 sec*/
- return 0xff;
-}
-
-static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb)
-{
- 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_reg)
- & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) {
- writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN
- , reg->iop2drv_doorbell_reg);
- writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg);
- return 0x00;
- }
- msleep(10);
- }/*max 1 seconds*/
-
- } while (Retries++ < 20);/*max 20 sec*/
- return 0xff;
+ return -ENODEV;
}
static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
-
writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, &reg->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)
{
struct MessageUnit_B *reg = acb->pmuB;
- writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell_reg);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell);
+ 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, &reg->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->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;
@@ -638,10 +782,26 @@ static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb)
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;
}
+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)) {
+ printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no);
+ return false;
+ }
+ return true;
+}
+
static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
{
struct scsi_cmnd *pcmd = ccb->pcmd;
@@ -649,75 +809,25 @@ static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb)
scsi_dma_unmap(pcmd);
}
-static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag)
+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);
- if (stand_flag == 1)
- atomic_dec(&acb->ccboutstandingcount);
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);
pcmd->scsi_done(pcmd);
}
-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, &reg->inbound_msgaddr0);
- do {
- if (!arcmsr_hba_wait_msgint_ready(acb))
- break;
- else {
- retry_count--;
- printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
- timeout, retry count down = %d \n", acb->host->host_no, retry_count);
- }
- } while (retry_count != 0);
-}
-
-static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb)
-{
- struct MessageUnit_B *reg = acb->pmuB;
- int retry_count = 30;
-
- writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell_reg);
- do {
- if (!arcmsr_hbb_wait_msgint_ready(acb))
- break;
- else {
- retry_count--;
- printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \
- timeout,retry count down = %d \n", acb->host->host_no, retry_count);
- }
- } while (retry_count != 0);
-}
-
-static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
-{
- switch (acb->adapter_type) {
-
- case ACB_ADAPTER_TYPE_A: {
- arcmsr_flush_hba_cache(acb);
- }
- break;
-
- case ACB_ADAPTER_TYPE_B: {
- arcmsr_flush_hbb_cache(acb);
- }
- }
-}
-
static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
{
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 =
@@ -733,8 +843,7 @@ static void arcmsr_report_sense_info(struct CommandControlBlock *ccb)
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(&reg->outbound_intmask);
@@ -742,35 +851,40 @@ static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb)
&reg->outbound_intmask);
}
break;
-
case ACB_ADAPTER_TYPE_B : {
struct MessageUnit_B *reg = acb->pmuB;
- orig_mask = readl(reg->iop2drv_doorbell_mask_reg);
- writel(0, reg->iop2drv_doorbell_mask_reg);
+ 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(&reg->host_int_mask); /* disable outbound message0 int */
+ writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, &reg->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, 1);
- } else {
+ arcmsr_ccb_complete(ccb);
+ }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);
+ arcmsr_ccb_complete(ccb);
}
break;
@@ -779,49 +893,49 @@ static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, \
case ARCMSR_DEV_INIT_FAIL: {
acb->devstate[id][lun] = ARECA_RAID_GONE;
ccb->pcmd->result = DID_BAD_TARGET << 16;
- arcmsr_ccb_complete(ccb, 1);
+ arcmsr_ccb_complete(ccb);
}
break;
case ARCMSR_DEV_CHECK_CONDITION: {
acb->devstate[id][lun] = ARECA_RAID_GOOD;
arcmsr_report_sense_info(ccb);
- arcmsr_ccb_complete(ccb, 1);
+ arcmsr_ccb_complete(ccb);
}
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, 1);
+ 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;
-
- ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + (flag_ccb << 5));
- if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) {
- if (ccb->startdone == ARCMSR_CCB_ABORTED) {
- struct scsi_cmnd *abortcmd = ccb->pcmd;
+ int id, lun;
+ 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;
abortcmd->result |= DID_ABORT << 16;
- arcmsr_ccb_complete(ccb, 1);
- 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'"
@@ -829,20 +943,22 @@ static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, uint32_t fla
" 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: {
@@ -852,9 +968,12 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
acb->outbound_int_enable;
/*clear and abort all outbound posted Q*/
writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
- while (((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF)
+ while(((flag_ccb = readl(&reg->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;
@@ -862,17 +981,37 @@ static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
/*clear all outbound posted Q*/
+ writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, &reg->iop2drv_doorbell); /* clear doorbell interrupt */
for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) {
if ((flag_ccb = readl(&reg->done_qbuffer[i])) != 0) {
writel(0, &reg->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, &reg->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(&reg->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) {
+ /*need to do*/
+ flag_ccb = readl(&reg->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)
@@ -887,11 +1026,11 @@ static void arcmsr_remove(struct pci_dev *pdev)
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 */
@@ -908,17 +1047,16 @@ static void arcmsr_remove(struct pci_dev *pdev)
if (ccb->startdone == ARCMSR_CCB_START) {
ccb->startdone = ARCMSR_CCB_ABORTED;
ccb->pcmd->result = DID_ABORT << 16;
- arcmsr_ccb_complete(ccb, 1);
+ arcmsr_ccb_complete(ccb);
}
}
}
-
free_irq(pdev->irq, acb);
arcmsr_free_ccb_pool(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);
}
@@ -938,7 +1076,6 @@ static void arcmsr_shutdown(struct pci_dev *pdev)
static int arcmsr_module_init(void)
{
int error = 0;
-
error = pci_register_driver(&arcmsr_pci_driver);
return error;
}
@@ -954,10 +1091,9 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
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|
@@ -967,15 +1103,22 @@ static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb,
}
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 |
ARCMSR_IOP2DRV_CDB_DONE |
ARCMSR_IOP2DRV_MESSAGE_CMD_DONE);
- writel(mask, reg->iop2drv_doorbell_mask_reg);
+ 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, &reg->host_int_mask);
+ acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
+ }
}
}
@@ -986,80 +1129,70 @@ static int arcmsr_build_ccb(struct AdapterControlBlock *acb,
int8_t *psge = (int8_t *)&arcmsr_cdb->u;
__le32 address_lo, address_hi;
int arccdbsize = 0x30;
+ __le32 length = 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 = (unsigned long)arcmsr_cdb;
+ arcmsr_cdb->Context = 0;
memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len);
nseg = scsi_dma_map(pcmd);
- if (nseg > ARCMSR_MAX_SG_ENTRIES)
+ if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0))
return FAILED;
- BUG_ON(nseg < 0);
-
- if (nseg) {
- __le32 length;
- int i, cdb_sgcount = 0;
- struct scatterlist *sg;
-
- /* 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;
-
- 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;
+ 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->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);
- if ( arccdbsize > 256)
- arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE;
}
- if (pcmd->sc_data_direction == DMA_TO_DEVICE ) {
+ 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->ccb_flags |= CCB_FLAG_WRITE;
}
+ ccb->arc_cdb_size = arccdbsize;
return SUCCESS;
}
static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb)
{
- uint32_t cdb_shifted_phyaddr = ccb->cdb_shifted_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(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
+ writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,
&reg->inbound_queueport);
else {
- writel(cdb_shifted_phyaddr, &reg->inbound_queueport);
+ writel(cdb_phyaddr_pattern, &reg->inbound_queueport);
}
}
break;
@@ -1071,18 +1204,30 @@ static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandContr
ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE);
writel(0, &reg->post_qbuffer[ending_index]);
if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) {
- writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
+ writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\
&reg->post_qbuffer[index]);
- }
- else {
- writel(cdb_shifted_phyaddr, &reg->post_qbuffer[index]);
+ } else {
+ writel(cdb_phyaddr_pattern, &reg->post_qbuffer[index]);
}
index++;
index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */
reg->postq_index = index;
- writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell_reg);
+ 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);
+ }
+ }
}
}
@@ -1091,8 +1236,7 @@ static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb)
struct MessageUnit_A __iomem *reg = acb->pmuA;
acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, &reg->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);
@@ -1103,15 +1247,28 @@ static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
acb->acb_flags &= ~ACB_F_MSG_START_BGRB;
- writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell_reg);
+ 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, &reg->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->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) {
@@ -1124,30 +1281,15 @@ static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
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: {
- iounmap(acb->pmuA);
- dma_free_coherent(&acb->pdev->dev,
- ARCMSR_MAX_FREECCB_NUM * sizeof (struct CommandControlBlock) + 0x20,
- acb->dma_coherent,
- acb->dma_coherent_handle);
- break;
- }
- case ACB_ADAPTER_TYPE_B: {
- struct MessageUnit_B *reg = acb->pmuB;
- iounmap((u8 *)reg->drv2iop_doorbell_reg - ARCMSR_DRV2IOP_DOORBELL);
- iounmap((u8 *)reg->ioctl_wbuffer_reg - ARCMSR_IOCTL_WBUFFER);
- dma_free_coherent(&acb->pdev->dev,
- (ARCMSR_MAX_FREECCB_NUM * sizeof(struct CommandControlBlock) + 0x20 +
- sizeof(struct MessageUnit_B)), 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)
@@ -1161,9 +1303,13 @@ void arcmsr_iop_message_read(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
- writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg);
+ 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, &reg->inbound_doorbell);
+ }
}
}
@@ -1186,7 +1332,16 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
** push inbound doorbell tell iop, driver data write ok
** and wait reply on next hwinterrupt for next Qbuffer post
*/
- writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell_reg);
+ 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, &reg->inbound_doorbell);
}
break;
}
@@ -1195,7 +1350,6 @@ static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb)
struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
{
struct QBUFFER __iomem *qbuffer = NULL;
-
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
@@ -1206,9 +1360,13 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
- qbuffer = (struct QBUFFER __iomem *)reg->ioctl_rbuffer_reg;
+ 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;
}
@@ -1216,7 +1374,6 @@ struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb)
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: {
@@ -1227,9 +1384,14 @@ static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBloc
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
- pqbuffer = (struct QBUFFER __iomem *)reg->ioctl_wbuffer_reg;
+ 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 *)&reg->message_wbuffer;
+ }
+
}
return pqbuffer;
}
@@ -1240,19 +1402,18 @@ static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb)
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++;
@@ -1303,25 +1464,52 @@ static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb)
{
uint32_t outbound_doorbell;
struct MessageUnit_A __iomem *reg = acb->pmuA;
-
outbound_doorbell = readl(&reg->outbound_doorbell);
writel(outbound_doorbell, &reg->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(&reg->outbound_doorbell);
+ writel(outbound_doorbell, &reg->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(&reg->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);
}
}
@@ -1330,29 +1518,62 @@ static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb)
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(&reg->done_qbuffer[index])) != 0) {
writel(0, &reg->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, &reg->outbound_intstatus);
schedule_work(&acb->arcmsr_do_message_isr_bh);
@@ -1362,16 +1583,32 @@ static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb)
struct MessageUnit_B *reg = acb->pmuB;
/*clear interrupt and message state*/
- writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
+ 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, &reg->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(&reg->outbound_intstatus) &
- acb->outbound_int_enable;
+ acb->outbound_int_enable;
if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) {
return 1;
}
@@ -1382,7 +1619,7 @@ static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb)
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);
}
@@ -1393,18 +1630,17 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
{
uint32_t outbound_doorbell;
struct MessageUnit_B *reg = acb->pmuB;
-
- outbound_doorbell = readl(reg->iop2drv_doorbell_reg) &
- acb->outbound_int_enable;
+ outbound_doorbell = readl(reg->iop2drv_doorbell) &
+ acb->outbound_int_enable;
if (!outbound_doorbell)
return 1;
- writel(~outbound_doorbell, reg->iop2drv_doorbell_reg);
+ writel(~outbound_doorbell, reg->iop2drv_doorbell);
/*in case the last action of doorbell interrupt clearance is cached,
this action can push HW to write down the clear bit*/
- readl(reg->iop2drv_doorbell_reg);
- writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg);
- if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
+ readl(reg->iop2drv_doorbell);
+ writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
+ if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) {
arcmsr_iop2drv_data_wrote_handle(acb);
}
if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) {
@@ -1413,14 +1649,37 @@ static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb)
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) {
@@ -1437,6 +1696,11 @@ static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb)
}
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ if (arcmsr_handle_hbc_isr(acb)) {
+ return IRQ_NONE;
+ }
+ }
}
return IRQ_HANDLED;
}
@@ -1463,7 +1727,6 @@ void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb)
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) {
@@ -1496,7 +1759,6 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
(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) {
@@ -1522,13 +1784,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
-
- if (!acb->fw_state) {
- pcmdmessagefld->cmdmessage.ReturnCode =
- ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
- }
-
+
ptmpQbuffer = ver_addr;
while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex)
&& (allxfer_len < 1031)) {
@@ -1560,7 +1816,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
}
memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len);
pcmdmessagefld->cmdmessage.Length = allxfer_len;
- pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+ if(acb->fw_flag == FW_DEADLOCK) {
+ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+ }
kfree(ver_addr);
}
break;
@@ -1575,12 +1835,13 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
retvalue = ARCMSR_MESSAGE_FAIL;
goto message_out;
}
- if (!acb->fw_state) {
- pcmdmessagefld->cmdmessage.ReturnCode =
+ if(acb->fw_flag == FW_DEADLOCK) {
+ pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_OK;
}
-
ptmpuserbuffer = ver_addr;
user_len = pcmdmessagefld->cmdmessage.Length;
memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len);
@@ -1633,12 +1894,6 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
case ARCMSR_MESSAGE_CLEAR_RQBUFFER: {
uint8_t *pQbuffer = acb->rqbuffer;
- if (!acb->fw_state) {
- pcmdmessagefld->cmdmessage.ReturnCode =
- ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
- }
-
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
arcmsr_iop_message_read(acb);
@@ -1647,16 +1902,24 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
acb->rqbuf_firstindex = 0;
acb->rqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
- pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+ if(acb->fw_flag == FW_DEADLOCK) {
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_OK;
+ }
}
break;
case ARCMSR_MESSAGE_CLEAR_WQBUFFER: {
uint8_t *pQbuffer = acb->wqbuffer;
- if (!acb->fw_state) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_OK;
}
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
@@ -1669,18 +1932,11 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
acb->wqbuf_firstindex = 0;
acb->wqbuf_lastindex = 0;
memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER);
- pcmdmessagefld->cmdmessage.ReturnCode =
- ARCMSR_MESSAGE_RETURNCODE_OK;
}
break;
case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: {
uint8_t *pQbuffer;
- if (!acb->fw_state) {
- pcmdmessagefld->cmdmessage.ReturnCode =
- ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
- }
if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) {
acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW;
@@ -1698,47 +1954,52 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb,
memset(pQbuffer, 0, sizeof(struct QBUFFER));
pQbuffer = acb->wqbuffer;
memset(pQbuffer, 0, sizeof(struct QBUFFER));
- pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
+ if(acb->fw_flag == FW_DEADLOCK) {
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_OK;
+ }
}
break;
case ARCMSR_MESSAGE_RETURN_CODE_3F: {
- if (!acb->fw_state) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
- }
- pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F;
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_3F;
}
break;
-
+ }
case ARCMSR_MESSAGE_SAY_HELLO: {
int8_t *hello_string = "Hello! I am ARCMSR";
- if (!acb->fw_state) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
+ }else{
+ pcmdmessagefld->cmdmessage.ReturnCode =
+ ARCMSR_MESSAGE_RETURNCODE_OK;
}
memcpy(pcmdmessagefld->messagedatabuffer, hello_string
, (int16_t)strlen(hello_string));
- pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK;
}
break;
case ARCMSR_MESSAGE_SAY_GOODBYE:
- if (!acb->fw_state) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
}
arcmsr_iop_parking(acb);
break;
case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE:
- if (!acb->fw_state) {
+ if(acb->fw_flag == FW_DEADLOCK) {
pcmdmessagefld->cmdmessage.ReturnCode =
ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON;
- goto message_out;
}
arcmsr_flush_adapter_cache(acb);
break;
@@ -1756,11 +2017,16 @@ static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock
{
struct list_head *head = &acb->ccb_free_list;
struct CommandControlBlock *ccb = NULL;
-
+ unsigned long flags;
+ spin_lock_irqsave(&acb->ccblist_lock, flags);
if (!list_empty(head)) {
ccb = list_entry(head->next, struct CommandControlBlock, list);
- list_del(head->next);
+ list_del_init(&ccb->list);
+ }else{
+ spin_unlock_irqrestore(&acb->ccblist_lock, flags);
+ return 0;
}
+ spin_unlock_irqrestore(&acb->ccblist_lock, flags);
return ccb;
}
@@ -1826,83 +2092,29 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
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 (acb->acb_flags & ACB_F_BUS_RESET) {
- switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
- struct MessageUnit_A __iomem *reg = acb->pmuA;
- uint32_t intmask_org, outbound_doorbell;
-
- if ((readl(&reg->outbound_msgaddr1) &
- ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
- printk(KERN_NOTICE "arcmsr%d: bus reset and return busy\n",
- acb->host->host_no);
- return SCSI_MLQUEUE_HOST_BUSY;
- }
-
- acb->acb_flags &= ~ACB_F_FIRMWARE_TRAP;
- printk(KERN_NOTICE "arcmsr%d: hardware bus reset and reset ok\n",
- acb->host->host_no);
- /* disable all outbound interrupt */
- intmask_org = arcmsr_disable_outbound_ints(acb);
- arcmsr_get_firmware_spec(acb, 1);
- /*start background rebuild*/
- arcmsr_start_adapter_bgrb(acb);
- /* clear Qbuffer if door bell ringed */
- outbound_doorbell = readl(&reg->outbound_doorbell);
- /*clear interrupt */
- writel(outbound_doorbell, &reg->outbound_doorbell);
- writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK,
- &reg->inbound_doorbell);
- /* enable outbound Post Queue,outbound doorbell Interrupt */
- arcmsr_enable_outbound_ints(acb, intmask_org);
- acb->acb_flags |= ACB_F_IOP_INITED;
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- }
- break;
- case ACB_ADAPTER_TYPE_B: {
- }
- }
- }
-
if (target == 16) {
/* virtual device for iop message transfer */
arcmsr_handle_virtual_command(acb, cmd);
return 0;
}
- if (acb->devstate[target][lun] == ARECA_RAID_GONE) {
- uint8_t block_cmd;
-
- block_cmd = cmd->cmnd[0] & 0x0f;
- if (block_cmd == 0x08 || block_cmd == 0x0a) {
- printk(KERN_NOTICE
- "arcmsr%d: block 'read/write'"
- "command with gone raid volume"
- " Cmd = %2x, TargetId = %d, Lun = %d \n"
- , acb->host->host_no
- , cmd->cmnd[0]
- , target, lun);
- cmd->result = (DID_NO_CONNECT << 16);
- cmd->scsi_done(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;
@@ -1911,7 +2123,7 @@ static int arcmsr_queue_command(struct scsi_cmnd *cmd,
return 0;
}
-static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode)
+static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
char *acb_firm_model = acb->firm_model;
@@ -1919,19 +2131,16 @@ static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode)
char *acb_device_map = acb->device_map;
char __iomem *iop_firm_model = (char __iomem *)(&reg->message_rwbuffer[15]);
char __iomem *iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]);
- char __iomem *iop_device_map = (char __iomem *) (&reg->message_rwbuffer[21]);
+ char __iomem *iop_device_map = (char __iomem *)(&reg->message_rwbuffer[21]);
int count;
-
writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->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 NULL;
+ return false;
}
-
- if (mode == 1) {
count = 8;
- while (count) {
+ while (count){
*acb_firm_model = readb(iop_firm_model);
acb_firm_model++;
iop_firm_model++;
@@ -1939,138 +2148,213 @@ static void *arcmsr_get_hba_config(struct AdapterControlBlock *acb, int mode)
}
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_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n"
- , acb->host->host_no
- , acb->firm_version);
- acb->signature = readl(&reg->message_rwbuffer[0]);
+ 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(&reg->message_rwbuffer[0]);
acb->firm_request_len = readl(&reg->message_rwbuffer[1]);
acb->firm_numbers_queue = readl(&reg->message_rwbuffer[2]);
acb->firm_sdram_size = readl(&reg->message_rwbuffer[3]);
acb->firm_hd_channels = readl(&reg->message_rwbuffer[4]);
+ acb->firm_cfg_version = readl(&reg->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
+ return true;
}
- return reg->message_rwbuffer;
-}
-static void __iomem *arcmsr_get_hbb_config(struct AdapterControlBlock *acb, int mode)
+static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
- uint32_t __iomem *lrwbuffer = reg->msgcode_rwbuffer_reg;
+ struct pci_dev *pdev = acb->pdev;
+ void *dma_coherent;
+ dma_addr_t dma_coherent_handle;
char *acb_firm_model = acb->firm_model;
char *acb_firm_version = acb->firm_version;
char *acb_device_map = acb->device_map;
- char __iomem *iop_firm_model = (char __iomem *)(&lrwbuffer[15]);
+ char __iomem *iop_firm_model;
/*firm_model,15,60-67*/
- char __iomem *iop_firm_version = (char __iomem *)(&lrwbuffer[17]);
+ char __iomem *iop_firm_version;
/*firm_version,17,68-83*/
- char __iomem *iop_device_map = (char __iomem *) (&lrwbuffer[21]);
+ char __iomem *iop_device_map;
/*firm_version,21,84-99*/
int count;
-
- writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL);
+ 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_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);
+ reg->message_wbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_WBUFFER);
+ reg->message_rbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RBUFFER);
+ reg->message_rwbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RWBUFFER);
+ iop_firm_model = (char __iomem *)(&reg->message_rwbuffer[15]); /*firm_model,15,60-67*/
+ iop_firm_version = (char __iomem *)(&reg->message_rwbuffer[17]); /*firm_version,17,68-83*/
+ iop_device_map = (char __iomem *)(&reg->message_rwbuffer[21]); /*firm_version,21,84-99*/
+
+ writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell);
+ 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 NULL;
+ return false;
}
-
- if (mode == 1) {
count = 8;
- while (count)
- {
+ while (count){
*acb_firm_model = readb(iop_firm_model);
acb_firm_model++;
iop_firm_model++;
count--;
}
-
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_INFO "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n",
- acb->host->host_no,
- acb->firm_version);
+ 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(lrwbuffer++);
- /*firm_signature,1,00-03*/
- acb->firm_request_len = readl(lrwbuffer++);
+ acb->signature = readl(&reg->message_rwbuffer[1]);
+ /*firm_signature,1,00-03*/
+ acb->firm_request_len = readl(&reg->message_rwbuffer[2]);
/*firm_request_len,1,04-07*/
- acb->firm_numbers_queue = readl(lrwbuffer++);
+ acb->firm_numbers_queue = readl(&reg->message_rwbuffer[3]);
/*firm_numbers_queue,2,08-11*/
- acb->firm_sdram_size = readl(lrwbuffer++);
+ acb->firm_sdram_size = readl(&reg->message_rwbuffer[4]);
/*firm_sdram_size,3,12-15*/
- acb->firm_hd_channels = readl(lrwbuffer);
+ acb->firm_hd_channels = readl(&reg->message_rwbuffer[5]);
/*firm_ide_channels,4,16-19*/
+ acb->firm_cfg_version = readl(&reg->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/
+ /*firm_ide_channels,4,16-19*/
+ return true;
}
- return reg->msgcode_rwbuffer_reg;
-}
-static void *arcmsr_get_firmware_spec(struct AdapterControlBlock *acb, int mode)
-{
- void *rtnval = 0;
- switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
- rtnval = arcmsr_get_hba_config(acb, mode);
- }
- break;
- case ACB_ADAPTER_TYPE_B: {
- rtnval = arcmsr_get_hbb_config(acb, mode);
+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 *)(&reg->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/
+ char *iop_firm_version = (char *)(&reg->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/
+ int count;
+ /* disable all outbound interrupt */
+ intmask_org = readl(&reg->host_int_mask); /* disable outbound message0 int */
+ writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, &reg->host_int_mask);
+ /* wait firmware ready */
+ do {
+ firmware_state = readl(&reg->outbound_msgaddr1);
+ } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
+ /* post "get config" instruction */
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, &reg->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
+ /* wait message ready */
+ for (Index = 0; Index < 2000; Index++) {
+ if (readl(&reg->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &reg->outbound_doorbell_clear);/*clear interrupt*/
+ break;
}
- 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;
}
- return rtnval;
+ 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--;
+ }
+ printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n",
+ pACB->host->host_no,
+ pACB->firm_version,
+ pACB->firm_model);
+ pACB->firm_request_len = readl(&reg->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/
+ pACB->firm_numbers_queue = readl(&reg->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/
+ pACB->firm_sdram_size = readl(&reg->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/
+ pACB->firm_hd_channels = readl(&reg->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/
+ pACB->firm_cfg_version = readl(&reg->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 if (acb->adapter_type == ACB_ADAPTER_TYPE_B)
+ return arcmsr_get_hbb_config(acb);
+ else
+ return arcmsr_get_hbc_config(acb);
}
-static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
+static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
struct CommandControlBlock *ccb;
+ 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(&reg->outbound_intstatus) & acb->outbound_int_enable;
writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
while (1) {
if ((flag_ccb = readl(&reg->outbound_queueport)) == 0xFFFFFFFF) {
- if (poll_ccb_done)
+ if (poll_ccb_done){
+ rtn = SUCCESS;
break;
- else {
+ }else {
msleep(25);
- if (poll_count > 100)
+ if (poll_count > 100){
+ rtn = FAILED;
break;
+ }
goto polling_hba_ccb_retry;
}
}
- ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + (flag_ccb << 5));
+ 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)) {
@@ -2081,8 +2365,7 @@ static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
, ccb->pcmd->device->lun
, ccb);
ccb->pcmd->result = DID_ABORT << 16;
- arcmsr_ccb_complete(ccb, 1);
- poll_ccb_done = 1;
+ arcmsr_ccb_complete(ccb);
continue;
}
printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
@@ -2093,86 +2376,156 @@ static void arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb,
, atomic_read(&acb->ccboutstandingcount));
continue;
}
- 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 void arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
+static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
- struct MessageUnit_B *reg = acb->pmuB;
- struct CommandControlBlock *ccb;
- uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0;
- int index;
-
+ 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;
+ int index, rtn;
+ bool error;
polling_hbb_ccb_retry:
- poll_count++;
- /* clear doorbell interrupt */
- writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
- while (1) {
- index = reg->doneq_index;
- if ((flag_ccb = readl(&reg->done_qbuffer[index])) == 0) {
- if (poll_ccb_done)
+ poll_count++;
+ /* clear doorbell interrupt */
+ writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
+ while(1){
+ index = reg->doneq_index;
+ if ((flag_ccb = readl(&reg->done_qbuffer[index])) == 0) {
+ if (poll_ccb_done){
+ rtn = SUCCESS;
+ break;
+ }else {
+ msleep(25);
+ if (poll_count > 100){
+ rtn = FAILED;
break;
- else {
- msleep(25);
- if (poll_count > 100)
- break;
- goto polling_hbb_ccb_retry;
}
+ goto polling_hbb_ccb_retry;
+ }
+ }
+ writel(0, &reg->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)) {
+ 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;
+ arcmsr_ccb_complete(ccb);
+ continue;
}
- writel(0, &reg->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*/
- ccb = (struct CommandControlBlock *)\
- (acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/
- 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;
- arcmsr_ccb_complete(ccb, 1);
- 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;
+ }
+ 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(&reg->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;
}
- printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb"
- " command done ccb = '0x%p'"
- "ccboutstandingcount = %d \n"
+ goto polling_hbc_ccb_retry;
+ }
+ }
+ flag_ccb = readl(&reg->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
- , ccb
- , atomic_read(&acb->ccboutstandingcount));
+ , pCCB->pcmd->device->id
+ , pCCB->pcmd->device->lun
+ , pCCB);
+ pCCB->pcmd->result = DID_ABORT << 16;
+ arcmsr_ccb_complete(pCCB);
continue;
}
- 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
+ , 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 void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
+static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
+ int rtn = 0;
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
- arcmsr_polling_hba_ccbdone(acb,poll_ccb);
+ rtn = arcmsr_polling_hba_ccbdone(acb, poll_ccb);
}
break;
case ACB_ADAPTER_TYPE_B: {
- arcmsr_polling_hbb_ccbdone(acb,poll_ccb);
+ rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb);
+ }
+ break;
+ case ACB_ADAPTER_TYPE_C: {
+ rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb);
}
}
+ return rtn;
}
static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
{
- uint32_t cdb_phyaddr, ccb_phyaddr_hi32;
+ uint32_t cdb_phyaddr, cdb_phyaddr_hi32;
dma_addr_t dma_coherent_handle;
/*
********************************************************************
@@ -2182,7 +2535,8 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
*/
dma_coherent_handle = acb->dma_coherent_handle;
cdb_phyaddr = (uint32_t)(dma_coherent_handle);
- ccb_phyaddr_hi32 = (uint32_t)((cdb_phyaddr >> 16) >> 16);
+ 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"
@@ -2191,16 +2545,16 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
- if (ccb_phyaddr_hi32 != 0) {
+ if (cdb_phyaddr_hi32 != 0) {
struct MessageUnit_A __iomem *reg = acb->pmuA;
uint32_t intmask_org;
intmask_org = arcmsr_disable_outbound_ints(acb);
writel(ARCMSR_SIGNATURE_SET_CONFIG, \
&reg->message_rwbuffer[0]);
- writel(ccb_phyaddr_hi32, &reg->message_rwbuffer[1]);
+ writel(cdb_phyaddr_hi32, &reg->message_rwbuffer[1]);
writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \
&reg->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);
@@ -2220,19 +2574,18 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
intmask_org = arcmsr_disable_outbound_ints(acb);
reg->postq_index = 0;
reg->doneq_index = 0;
- writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell_reg);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell);
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \
acb->host->host_no);
return 1;
}
- post_queue_phyaddr = cdb_phyaddr + ARCMSR_MAX_FREECCB_NUM * \
- sizeof(struct CommandControlBlock) + offsetof(struct MessageUnit_B, post_qbuffer) ;
- rwbuffer = reg->msgcode_rwbuffer_reg;
+ post_queue_phyaddr = acb->dma_coherent_handle_hbb_mu;
+ rwbuffer = reg->message_rwbuffer;
/* driver "set config" signature */
writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
/* normal should be zero */
- writel(ccb_phyaddr_hi32, rwbuffer++);
+ writel(cdb_phyaddr_hi32, rwbuffer++);
/* postQ size (256 + 8)*4 */
writel(post_queue_phyaddr, rwbuffer++);
/* doneQ size (256 + 8)*4 */
@@ -2240,22 +2593,37 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
/* ccb maxQ size must be --> [(256 + 8)*4]*/
writel(1056, rwbuffer);
- writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell_reg);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell);
+ if (!arcmsr_hbb_wait_msgint_ready(acb)) {
printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \
timeout \n",acb->host->host_no);
return 1;
}
-
- writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell_reg);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
- printk(KERN_NOTICE "arcmsr%d: 'can not set diver mode \n"\
- ,acb->host->host_no);
- return 1;
- }
+ arcmsr_hbb_enable_driver_mode(acb);
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, &reg->msgcode_rwbuffer[0]);
+ writel(cdb_phyaddr_hi32, &reg->msgcode_rwbuffer[1]);
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, &reg->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->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;
}
@@ -2263,7 +2631,6 @@ static int arcmsr_iop_confirm(struct AdapterControlBlock *acb)
static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
{
uint32_t firmware_state = 0;
-
switch (acb->adapter_type) {
case ACB_ADAPTER_TYPE_A: {
@@ -2277,62 +2644,81 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
do {
- firmware_state = readl(reg->iop2drv_doorbell_reg);
+ firmware_state = readl(reg->iop2drv_doorbell);
} while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0);
- writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell_reg);
+ 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(&reg->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->fw_state = false;
+ 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 {
- /*to prevent rq_map_token from changing by other interrupt, then
- avoid the dead-lock*/
- acb->fw_state = true;
- atomic_dec(&acb->rq_map_token);
- if (!(acb->fw_state) ||
- (acb->ante_token_value == atomic_read(&acb->rq_map_token))) {
+ 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);
}
- acb->ante_token_value = atomic_read(&acb->rq_map_token);
+ 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, &reg->inbound_msgaddr0);
+ mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
}
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000));
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;
+}
- if (unlikely(atomic_read(&acb->rq_map_token) == 0)) {
- acb->fw_state = false;
+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 {
- /*to prevent rq_map_token from changing by other interrupt, then
- avoid the dead-lock*/
- acb->fw_state = true;
- atomic_dec(&acb->rq_map_token);
- if (!(acb->fw_state) ||
- (acb->ante_token_value == atomic_read(&acb->rq_map_token))) {
+ 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);
}
- acb->ante_token_value = atomic_read(&acb->rq_map_token);
- writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell_reg);
+ 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, &reg->inbound_msgaddr0);
+ writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &reg->inbound_doorbell);
+ mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ));
}
- mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6000));
return;
}
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);
@@ -2342,6 +2728,9 @@ static void arcmsr_request_device_map(unsigned long pacb)
arcmsr_request_hbb_device_map(acb);
}
break;
+ case ACB_ADAPTER_TYPE_C: {
+ arcmsr_request_hbc_device_map(acb);
+ }
}
}
@@ -2350,7 +2739,7 @@ static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb)
struct MessageUnit_A __iomem *reg = acb->pmuA;
acb->acb_flags |= ACB_F_MSG_START_BGRB;
writel(ARCMSR_INBOUND_MESG0_START_BGRB, &reg->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);
}
@@ -2360,13 +2749,25 @@ static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb)
{
struct MessageUnit_B *reg = acb->pmuB;
acb->acb_flags |= ACB_F_MSG_START_BGRB;
- writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell_reg);
- if (arcmsr_hbb_wait_msgint_ready(acb)) {
+ writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell);
+ 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) {
@@ -2376,6 +2777,8 @@ static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B:
arcmsr_start_hbb_bgrb(acb);
break;
+ case ACB_ADAPTER_TYPE_C:
+ arcmsr_start_hbc_bgrb(acb);
}
}
@@ -2396,11 +2799,19 @@ static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B: {
struct MessageUnit_B *reg = acb->pmuB;
/*clear interrupt and message state*/
- writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell_reg);
- writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell_reg);
+ writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell);
+ writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell);
/* 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(&reg->outbound_doorbell);
+ writel(outbound_doorbell, &reg->outbound_doorbell_clear);
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, &reg->inbound_doorbell);
+ }
}
}
@@ -2412,13 +2823,15 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
case ACB_ADAPTER_TYPE_B:
{
struct MessageUnit_B *reg = acb->pmuB;
- writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell_reg);
- if(arcmsr_hbb_wait_msgint_ready(acb)) {
+ writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell);
+ 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;
}
@@ -2426,15 +2839,33 @@ static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb)
static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
{
uint8_t value[64];
- int i;
-
+ 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_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 */
- pci_write_config_byte(acb->pdev, 0x84, 0x20);
- msleep(1000);
+ if ((acb->dev_id == 0x1680)) {
+ 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);
+ }
+ msleep(2000);
/* write back pci config data */
for (i = 0; i < 64; i++) {
pci_write_config_byte(acb->pdev, i, value[i]);
@@ -2442,50 +2873,13 @@ static void arcmsr_hardware_reset(struct AdapterControlBlock *acb)
msleep(1000);
return;
}
-/*
-****************************************************************************
-****************************************************************************
-*/
-#ifdef CONFIG_SCSI_ARCMSR_RESET
- int arcmsr_sleep_for_bus_reset(struct scsi_cmnd *cmd)
- {
- struct Scsi_Host *shost = NULL;
- spinlock_t *host_lock = NULL;
- int i, isleep;
-
- shost = cmd->device->host;
- host_lock = shost->host_lock;
-
- printk(KERN_NOTICE "Host %d bus reset over, sleep %d seconds (busy %d, can queue %d) ...........\n",
- shost->host_no, sleeptime, shost->host_busy, shost->can_queue);
- isleep = sleeptime / 10;
- spin_unlock_irq(host_lock);
- if (isleep > 0) {
- for (i = 0; i < isleep; i++) {
- msleep(10000);
- printk(KERN_NOTICE "^%d^\n", i);
- }
- }
-
- isleep = sleeptime % 10;
- if (isleep > 0) {
- msleep(isleep * 1000);
- printk(KERN_NOTICE "^v^\n");
- }
- spin_lock_irq(host_lock);
- printk(KERN_NOTICE "***** wake up *****\n");
- return 0;
- }
-#endif
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);
- arcmsr_get_firmware_spec(acb, 1);
/*start background rebuild*/
arcmsr_start_adapter_bgrb(acb);
/* empty doorbell Qbuffer if door bell ringed */
@@ -2502,20 +2896,17 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb)
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);
/* talk to iop 331 outstanding command aborted */
rtnval = arcmsr_abort_allcmd(acb);
- /* wait for 3 sec for all command aborted*/
- ssleep(3);
/* clear all outbound posted Q */
arcmsr_done4abort_postqueue(acb);
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
ccb = acb->pccb_pool[i];
if (ccb->startdone == ARCMSR_CCB_START) {
- arcmsr_ccb_complete(ccb, 1);
+ arcmsr_ccb_complete(ccb);
}
}
atomic_set(&acb->ccboutstandingcount, 0);
@@ -2530,94 +2921,190 @@ static int arcmsr_bus_reset(struct scsi_cmnd *cmd)
{
struct AdapterControlBlock *acb =
(struct AdapterControlBlock *)cmd->device->host->hostdata;
- int retry = 0;
-
- if (acb->acb_flags & ACB_F_BUS_RESET)
- return SUCCESS;
-
- printk(KERN_NOTICE "arcmsr%d: bus reset ..... \n", acb->adapter_index);
- acb->acb_flags |= ACB_F_BUS_RESET;
+ 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 bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts);
acb->num_resets++;
- while (atomic_read(&acb->ccboutstandingcount) != 0 && retry < 4) {
- arcmsr_interrupt(acb);
- retry++;
- }
- if (arcmsr_iop_reset(acb)) {
- switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_A: {
- printk(KERN_NOTICE "arcmsr%d: do hardware bus reset, num_resets = %d num_aborts = %d \n",
- acb->adapter_index, acb->num_resets, acb->num_aborts);
- arcmsr_hardware_reset(acb);
- acb->acb_flags |= ACB_F_FIRMWARE_TRAP;
- acb->acb_flags &= ~ACB_F_IOP_INITED;
- #ifdef CONFIG_SCSI_ARCMSR_RESET
- struct MessageUnit_A __iomem *reg = acb->pmuA;
- uint32_t intmask_org, outbound_doorbell;
- int retry_count = 0;
+ switch(acb->adapter_type){
+ case ACB_ADAPTER_TYPE_A:{
+ 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_A __iomem *reg;
+ reg = acb->pmuA;
+ arcmsr_hardware_reset(acb);
+ acb->acb_flags &= ~ACB_F_IOP_INITED;
sleep_again:
- arcmsr_sleep_for_bus_reset(cmd);
- if ((readl(&reg->outbound_msgaddr1) &
- ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) {
- printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry=%d \n",
- acb->host->host_no, retry_count);
- if (retry_count > retrycount) {
- printk(KERN_NOTICE "arcmsr%d: hardware bus reset and return busy, retry aborted \n",
- acb->host->host_no);
- return SUCCESS;
+ arcmsr_sleep_for_bus_reset(cmd);
+ if ((readl(&reg->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) {
+ 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_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(&reg->outbound_doorbell);
+ writel(outbound_doorbell, &reg->outbound_doorbell); /*clear interrupt */
+ writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, &reg->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;
}
- retry_count++;
- goto sleep_again;
+ 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;
}
- acb->acb_flags &= ~ACB_F_FIRMWARE_TRAP;
- acb->acb_flags |= ACB_F_IOP_INITED;
- acb->acb_flags &= ~ACB_F_BUS_RESET;
- printk(KERN_NOTICE "arcmsr%d: hardware bus reset and reset ok \n",
- acb->host->host_no);
- /* disable all outbound interrupt */
- intmask_org = arcmsr_disable_outbound_ints(acb);
- arcmsr_get_firmware_spec(acb, 1);
- /*start background rebuild*/
- arcmsr_start_adapter_bgrb(acb);
- /* clear Qbuffer if door bell ringed */
- outbound_doorbell = readl(&reg->outbound_doorbell);
- writel(outbound_doorbell, &reg->outbound_doorbell); /*clear interrupt */
- writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, &reg->inbound_doorbell);
- /* enable outbound Post Queue,outbound doorbell Interrupt */
- arcmsr_enable_outbound_ints(acb, intmask_org);
- atomic_set(&acb->rq_map_token, 16);
- init_timer(&acb->eternal_timer);
- acb->eternal_timer.expires = jiffies + msecs_to_jiffies(20*HZ);
- acb->eternal_timer.data = (unsigned long) acb;
- acb->eternal_timer.function = &arcmsr_request_device_map;
- add_timer(&acb->eternal_timer);
- #endif
+ 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(&reg->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(&reg->outbound_doorbell);
+ writel(outbound_doorbell, &reg->outbound_doorbell_clear); /*clear interrupt */
+ writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, &reg->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;
- case ACB_ADAPTER_TYPE_B: {
- }
}
- } else {
- acb->acb_flags &= ~ACB_F_BUS_RESET;
}
- return SUCCESS;
+ return rtn;
}
-static void arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
+static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb,
struct CommandControlBlock *ccb)
{
- u32 intmask;
-
- ccb->startdone = ARCMSR_CCB_ABORTED;
-
- /*
- ** Wait for 3 sec for all command done.
- */
- ssleep(3);
-
- intmask = arcmsr_disable_outbound_ints(acb);
- arcmsr_polling_ccbdone(acb, ccb);
- arcmsr_enable_outbound_ints(acb, intmask);
+ int rtn;
+ rtn = arcmsr_polling_ccbdone(acb, ccb);
+ return rtn;
}
static int arcmsr_abort(struct scsi_cmnd *cmd)
@@ -2625,10 +3112,11 @@ static int arcmsr_abort(struct scsi_cmnd *cmd)
struct AdapterControlBlock *acb =
(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);
+ acb->acb_flags |= ACB_F_ABORT;
acb->num_aborts++;
/*
************************************************
@@ -2637,17 +3125,18 @@ static int arcmsr_abort(struct scsi_cmnd *cmd)
************************************************
*/
if (!atomic_read(&acb->ccboutstandingcount))
- return SUCCESS;
+ return rtn;
for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) {
struct CommandControlBlock *ccb = acb->pccb_pool[i];
if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) {
- arcmsr_abort_one_cmd(acb, ccb);
+ ccb->startdone = ARCMSR_CCB_ABORTED;
+ rtn = arcmsr_abort_one_cmd(acb, ccb);
break;
}
}
-
- return SUCCESS;
+ acb->acb_flags &= ~ACB_F_ABORT;
+ return rtn;
}
static const char *arcmsr_info(struct Scsi_Host *host)
@@ -2657,7 +3146,6 @@ static const char *arcmsr_info(struct Scsi_Host *host)
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:
@@ -2681,6 +3169,7 @@ static const char *arcmsr_info(struct Scsi_Host *host)
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: