2014-02-21 04:40:45

by Ching Huang

Subject: [PATCH v1.3 11/11] arcmsr: Adding support Areca ARC1214/1224/1264/1284 SATA 6Gb raid controllers

From: Ching <[email protected]>

Adding support Areca ARC1214/1224/1264/1284 SATA 6Gb raid controllers.

Singed-off-by: Ching <[email protected]>
---

diff -uprN a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
--- a/drivers/scsi/arcmsr/arcmsr.h 2014-02-20 20:14:42.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr.h 2014-02-20 20:01:46.000000000 +0800
@@ -62,12 +62,17 @@ struct device_attribute;
#define ARCMSR_MAX_QBUFFER 4096
#define ARCMSR_DEFAULT_SG_ENTRIES 38
#define ARCMSR_MAX_HBB_POSTQUEUE 264
+#define ARCMSR_MAX_ARC1214_POSTQUEUE 256
+#define ARCMSR_MAX_ARC1214_DONEQUEUE 257
#define ARCMSR_MAX_XFER_LEN 0x26000
#define ARCMSR_CDB_SG_PAGE_LENGTH 256
#define ARCMST_NUM_MSIX_VECTORS 4
#ifndef PCI_DEVICE_ID_ARECA_1880
#define PCI_DEVICE_ID_ARECA_1880 0x1880
#endif
+#ifndef PCI_DEVICE_ID_ARECA_1214
+ #define PCI_DEVICE_ID_ARECA_1214 0x1214
+#endif
/*
**********************************************************************************
**
@@ -341,6 +346,56 @@ struct FIRMWARE_INFO
#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK 0x80000000
/*
*******************************************************************************
+** SPEC. for Areca Type D adapter
+*******************************************************************************
+*/
+#define ARCMSR_ARC1214_CHIP_ID 0x00004
+#define ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION 0x00008
+#define ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK 0x00034
+#define ARCMSR_ARC1214_SAMPLE_RESET 0x00100
+#define ARCMSR_ARC1214_RESET_REQUEST 0x00108
+#define ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS 0x00200
+#define ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE 0x0020C
+#define ARCMSR_ARC1214_INBOUND_MESSAGE0 0x00400
+#define ARCMSR_ARC1214_INBOUND_MESSAGE1 0x00404
+#define ARCMSR_ARC1214_OUTBOUND_MESSAGE0 0x00420
+#define ARCMSR_ARC1214_OUTBOUND_MESSAGE1 0x00424
+#define ARCMSR_ARC1214_INBOUND_DOORBELL 0x00460
+#define ARCMSR_ARC1214_OUTBOUND_DOORBELL 0x00480
+#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE 0x00484
+#define ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW 0x01000
+#define ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH 0x01004
+#define ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER 0x01018
+#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW 0x01060
+#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH 0x01064
+#define ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER 0x0106C
+#define ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER 0x01070
+#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE 0x01088
+#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE 0x0108C
+#define ARCMSR_ARC1214_MESSAGE_WBUFFER 0x02000
+#define ARCMSR_ARC1214_MESSAGE_RBUFFER 0x02100
+#define ARCMSR_ARC1214_MESSAGE_RWBUFFER 0x02200
+/* Host Interrupt Mask */
+#define ARCMSR_ARC1214_ALL_INT_ENABLE 0x00001010
+#define ARCMSR_ARC1214_ALL_INT_DISABLE 0x00000000
+/* Host Interrupt Status */
+#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR 0x00001000
+#define ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR 0x00000010
+/* DoorBell*/
+#define ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY 0x00000001
+#define ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ 0x00000002
+/*inbound message 0 ready*/
+#define ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK 0x00000001
+/*outbound DATA WRITE isr door bell clear*/
+#define ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK 0x00000002
+/*outbound message 0 ready*/
+#define ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE 0x02000000
+/*outbound message cmd isr door bell clear*/
+/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
+#define ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK 0x80000000
+#define ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR 0x00000001
+/*
+*******************************************************************************
** ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
*******************************************************************************
*/
@@ -501,6 +556,55 @@ struct MessageUnit_C {
uint32_t msgcode_rwbuffer[256]; /*2200 23FF*/
};
/*
+*********************************************************************
+** Messaging Unit (MU) of Type D processor
+*********************************************************************
+*/
+struct InBound_SRB {
+ uint32_t addressLow; /* pointer to SRB block */
+ uint32_t addressHigh;
+ uint32_t length; /* in DWORDs */
+ uint32_t reserved0;
+};
+
+struct OutBound_SRB {
+ uint32_t addressLow; /* pointer to SRB block */
+ uint32_t addressHigh;
+};
+
+struct MessageUnit_D {
+ struct InBound_SRB post_qbuffer[ARCMSR_MAX_ARC1214_POSTQUEUE];
+ volatile struct OutBound_SRB
done_qbuffer[ARCMSR_MAX_ARC1214_DONEQUEUE];
+ u16 postq_index;
+ volatile u16 doneq_index;
+ u32 __iomem *chip_id; /* 0x00004 */
+ u32 __iomem *cpu_mem_config; /* 0x00008 */
+ u32 __iomem *i2o_host_interrupt_mask; /* 0x00034 */
+ u32 __iomem *sample_at_reset; /* 0x00100 */
+ u32 __iomem *reset_request; /* 0x00108 */
+ u32 __iomem *host_int_status; /* 0x00200 */
+ u32 __iomem *pcief0_int_enable; /* 0x0020C */
+ u32 __iomem *inbound_msgaddr0; /* 0x00400 */
+ u32 __iomem *inbound_msgaddr1; /* 0x00404 */
+ u32 __iomem *outbound_msgaddr0; /* 0x00420 */
+ u32 __iomem *outbound_msgaddr1; /* 0x00424 */
+ u32 __iomem *inbound_doorbell; /* 0x00460 */
+ u32 __iomem *outbound_doorbell; /* 0x00480 */
+ u32 __iomem *outbound_doorbell_enable; /* 0x00484 */
+ u32 __iomem *inboundlist_base_low; /* 0x01000 */
+ u32 __iomem *inboundlist_base_high; /* 0x01004 */
+ u32 __iomem *inboundlist_write_pointer; /* 0x01018 */
+ u32 __iomem *outboundlist_base_low; /* 0x01060 */
+ u32 __iomem *outboundlist_base_high; /* 0x01064 */
+ u32 __iomem *outboundlist_copy_pointer; /* 0x0106C */
+ u32 __iomem *outboundlist_read_pointer; /* 0x01070 0x01072 */
+ u32 __iomem *outboundlist_interrupt_cause; /* 0x1088 */
+ u32 __iomem *outboundlist_interrupt_enable; /* 0x108C */
+ u32 __iomem *message_wbuffer; /* 0x2000 */
+ u32 __iomem *message_rbuffer; /* 0x2100 */
+ u32 __iomem *msgcode_rwbuffer; /* 0x2200 */
+};
+/*
*******************************************************************************
** Adapter Control Block
*******************************************************************************
@@ -522,12 +626,15 @@ struct AdapterControlBlock
uint32_t cdb_phyaddr_hi32;
spinlock_t eh_lock;
spinlock_t ccblist_lock;
+ spinlock_t postq_lock;
+ spinlock_t doneq_lock;
spinlock_t rqbuffer_lock;
spinlock_t wqbuffer_lock;
union {
struct MessageUnit_A __iomem *pmuA;
struct MessageUnit_B *pmuB;
struct MessageUnit_C __iomem *pmuC;
+ struct MessageUnit_D *pmuD;
};
/* message unit ATU inbound base address0 */
void __iomem *mem_base0;
diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
--- a/drivers/scsi/arcmsr/arcmsr_hba.c 2014-02-20 19:11:05.000000000 +0800
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2014-02-21 01:47:26.000000000 +0800
@@ -102,6 +102,7 @@ static void arcmsr_message_isr_bh_fn(str
static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb);
static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb);
static void arcmsr_hbaC_message_isr(struct AdapterControlBlock *pACB);
+static void arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb);
static const char *arcmsr_info(struct Scsi_Host *);
static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb);

@@ -144,6 +145,7 @@ static struct pci_device_id arcmsr_devic
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1201)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1202)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210)},
+ {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1214)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230)},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1260)},
@@ -174,7 +176,8 @@ static struct pci_driver arcmsr_pci_driv
static void arcmsr_free_mu(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
- case ACB_ADAPTER_TYPE_B: {
+ case ACB_ADAPTER_TYPE_B:
+ case ACB_ADAPTER_TYPE_D: {
dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
acb->dma_coherent2, acb->dma_coherent_handle2);
break;
@@ -234,6 +237,25 @@ static bool arcmsr_remap_pciregion(struc
}
break;
}
+ case ACB_ADAPTER_TYPE_D: {
+ void __iomem *mem_base0;
+ unsigned long addr, range, flags;
+
+ addr = (unsigned long)pci_resource_start(pdev, 0);
+ range = pci_resource_len(pdev, 0);
+ flags = pci_resource_flags(pdev, 0);
+ if (flags & IORESOURCE_CACHEABLE)
+ mem_base0 = ioremap(addr, range);
+ else
+ mem_base0 = ioremap_nocache(addr, range);
+ if (!mem_base0) {
+ pr_notice("arcmsr%d: memory mapping region fail\n",
+ acb->host->host_no);
+ return false;
+ }
+ acb->mem_base0 = mem_base0;
+ break;
+ }
}
return true;
}
@@ -251,6 +273,9 @@ static void arcmsr_unmap_pciregion(struc
case ACB_ADAPTER_TYPE_C:
iounmap(acb->pmuC);
break;
+ case ACB_ADAPTER_TYPE_D:
+ iounmap(acb->mem_base0);
+ break;
}
}

@@ -300,6 +325,9 @@ arcmsr_define_adapter_type(struct Adapte
pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id);
acb->dev_id = dev_id;
switch (dev_id) {
+ case 0x1214:
+ acb->adapter_type = ACB_ADAPTER_TYPE_D;
+ break;
case 0x1880:
acb->adapter_type = ACB_ADAPTER_TYPE_C;
break;
@@ -387,6 +415,24 @@ arcmsr_hbaC_wait_msgint_ready(struct Ada
return false;
}

+static bool
+arcmsr_hbaD_wait_msgint_ready(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_D *reg = pACB->pmuD;
+ int i;
+
+ for (i = 0; i < 2000; i++) {
+ if (readl(reg->outbound_doorbell)
+ & ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
+ reg->outbound_doorbell);
+ return true;
+ }
+ msleep(10);
+ } /* max 20 seconds */
+ return false;
+}
+
static void
arcmsr_hbaA_flush_cache(struct AdapterControlBlock *acb)
{
@@ -448,6 +494,25 @@ arcmsr_hbaC_flush_cache(struct AdapterCo
}

static void
+arcmsr_hbaD_flush_cache(struct AdapterControlBlock *pACB)
+{
+ int retry_count = 6;
+ struct MessageUnit_D *reg = pACB->pmuD;
+
+ writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, reg->inbound_msgaddr0);
+ do {
+ if (arcmsr_hbaD_wait_msgint_ready(pACB))
+ break;
+ else {
+ retry_count--;
+ pr_notice("arcmsr%d: wait 'flush adapter "
+ "cache' timeout, retry count down = %d\n",
+ pACB->host->host_no, retry_count);
+ }
+ } while (retry_count != 0);
+}
+
+static void
arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -460,6 +525,9 @@ arcmsr_flush_adapter_cache(struct Adapte
case ACB_ADAPTER_TYPE_C:
arcmsr_hbaC_flush_cache(acb);
break;
+ case ACB_ADAPTER_TYPE_D:
+ arcmsr_hbaD_flush_cache(acb);
+ break;
}
}

@@ -512,6 +580,7 @@ arcmsr_alloc_ccb_pool(struct AdapterCont
ccb_tmp->cdb_phyaddr = cdb_phyaddr >> 5;
break;
case ACB_ADAPTER_TYPE_C:
+ case ACB_ADAPTER_TYPE_D:
ccb_tmp->cdb_phyaddr = cdb_phyaddr;
break;
}
@@ -560,6 +629,12 @@ arcmsr_message_isr_bh_fn(struct work_str
devicemap = (char __iomem *)(&reg->msgcode_rwbuffer[21]);
break;
}
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ signature = (uint32_t __iomem *)(&reg->msgcode_rwbuffer[0]);
+ devicemap = (char __iomem *)(&reg->msgcode_rwbuffer[21]);
+ break;
+ }
}
atomic_inc(&acb->rq_map_token);
if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) {
@@ -756,6 +831,8 @@ static int arcmsr_probe(struct pci_dev *
goto scsi_host_release;
spin_lock_init(&acb->eh_lock);
spin_lock_init(&acb->ccblist_lock);
+ spin_lock_init(&acb->postq_lock);
+ spin_lock_init(&acb->doneq_lock);
spin_lock_init(&acb->rqbuffer_lock);
spin_lock_init(&acb->wqbuffer_lock);
acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED |
@@ -899,6 +976,20 @@ arcmsr_hbaC_abort_allcmd(struct AdapterC
}

static uint8_t
+arcmsr_hbaD_abort_allcmd(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_D *reg = pACB->pmuD;
+
+ writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, reg->inbound_msgaddr0);
+ if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
+ pr_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;
@@ -915,6 +1006,10 @@ arcmsr_abort_allcmd(struct AdapterContro
case ACB_ADAPTER_TYPE_C:
rtnval = arcmsr_hbaC_abort_allcmd(acb);
break;
+
+ case ACB_ADAPTER_TYPE_D:
+ rtnval = arcmsr_hbaD_abort_allcmd(acb);
+ break;
}
return rtnval;
}
@@ -992,6 +1087,12 @@ arcmsr_disable_outbound_ints(struct Adap
readl(&reg->host_int_mask);
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ /* disable all outbound interrupt */
+ writel(ARCMSR_ARC1214_ALL_INT_DISABLE, reg->pcief0_int_enable);
+ }
+ break;
}
return orig_mask;
}
@@ -1144,6 +1245,58 @@ arcmsr_done4abort_postqueue(struct Adapt
}
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *pmu = acb->pmuD;
+ uint32_t ccb_cdb_phy, outbound_write_pointer;
+ uint32_t doneq_index, index_stripped, addressLow, residual;
+ bool error;
+ struct CommandControlBlock *pCCB;
+ outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
+ doneq_index = pmu->doneq_index;
+ residual = atomic_read(&acb->ccboutstandingcount);
+ for (i = 0; i < residual; i++) {
+ while ((doneq_index & 0xFFF) !=
+ (outbound_write_pointer & 0xFFF)) {
+ if (doneq_index & 0x4000) {
+ index_stripped = doneq_index & 0xFFF;
+ index_stripped += 1;
+ index_stripped %=
+ ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped ?
+ (index_stripped | 0x4000) :
+ (index_stripped + 1);
+ } else {
+ index_stripped = doneq_index;
+ index_stripped += 1;
+ index_stripped %=
+ ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped ?
+ index_stripped :
+ ((index_stripped | 0x4000) + 1);
+ }
+ doneq_index = pmu->doneq_index;
+ addressLow = pmu->done_qbuffer[doneq_index &
+ 0xFFF].addressLow;
+ ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
+ pARCMSR_CDB = (struct ARCMSR_CDB *)
+ (acb->vir2phy_offset + ccb_cdb_phy);
+ pCCB = container_of(pARCMSR_CDB,
+ struct CommandControlBlock, arcmsr_cdb);
+ error = (addressLow &
+ ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ?
+ true : false;
+ arcmsr_drain_donequeue(acb, pCCB, error);
+ writel(doneq_index,
pmu->outboundlist_read_pointer);
+ }
+ mdelay(10);
+ outbound_write_pointer =
+ pmu->done_qbuffer[0].addressLow + 1;
+ doneq_index = pmu->doneq_index;
+ }
+ pmu->postq_index = 0;
+ pmu->doneq_index = 0x40FF;
+ }
+ break;
}
}

@@ -1277,6 +1430,12 @@ arcmsr_enable_outbound_ints(struct Adapt
acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f;
break;
}
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ mask = ARCMSR_ARC1214_ALL_INT_ENABLE;
+ writel(intmask_org | mask, reg->pcief0_int_enable);
+ break;
+ }
}
}

@@ -1387,6 +1546,36 @@ arcmsr_post_ccb(struct AdapterControlBlo
&phbcmu->inbound_queueport_low);
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *pmu = acb->pmuD;
+ u16 index_stripped;
+ u16 postq_index;
+ unsigned long flags;
+ struct InBound_SRB *pinbound_srb;
+ spin_lock_irqsave(&acb->postq_lock, flags);
+ postq_index = pmu->postq_index;
+ pinbound_srb = (struct InBound_SRB
*)&(pmu->post_qbuffer[postq_index & 0xFF]);
+ pinbound_srb->addressHigh = dma_addr_hi32(cdb_phyaddr);
+ pinbound_srb->addressLow = dma_addr_lo32(cdb_phyaddr);
+ pinbound_srb->length = ccb->arc_cdb_size >> 2;
+ arcmsr_cdb->msgContext = dma_addr_lo32(cdb_phyaddr);
+ if (postq_index & 0x4000) {
+ index_stripped = postq_index & 0xFF;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_POSTQUEUE;
+ pmu->postq_index = index_stripped ?
+ (index_stripped | 0x4000) : index_stripped;
+ } else {
+ index_stripped = postq_index;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_POSTQUEUE;
+ pmu->postq_index = index_stripped ? index_stripped :
+ (index_stripped | 0x4000);
+ }
+ writel(postq_index, pmu->inboundlist_write_pointer);
+ spin_unlock_irqrestore(&acb->postq_lock, flags);
+ break;
+ }
}
}

@@ -1428,6 +1617,18 @@ arcmsr_hbaC_stop_bgrb(struct AdapterCont
}

static void
+arcmsr_hbaD_stop_bgrb(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_D *reg = pACB->pmuD;
+
+ pACB->acb_flags &= ~ACB_F_MSG_START_BGRB;
+ writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, reg->inbound_msgaddr0);
+ if (!arcmsr_hbaD_wait_msgint_ready(pACB))
+ pr_notice("arcmsr%d: wait 'stop adapter background rebulid' "
+ "timeout\n", pACB->host->host_no);
+}
+
+static void
arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -1440,6 +1641,9 @@ arcmsr_stop_adapter_bgrb(struct AdapterC
case ACB_ADAPTER_TYPE_C:
arcmsr_hbaC_stop_bgrb(acb);
break;
+ case ACB_ADAPTER_TYPE_D:
+ arcmsr_hbaD_stop_bgrb(acb);
+ break;
}
}

@@ -1471,6 +1675,12 @@ arcmsr_iop_message_read(struct AdapterCo
&reg->inbound_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
+ reg->inbound_doorbell);
+ }
+ break;
}
}

@@ -1507,6 +1717,12 @@ arcmsr_iop_message_wrote(struct AdapterC
&reg->inbound_doorbell);
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ writel(ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY,
+ reg->inbound_doorbell);
+ }
+ break;
}
}

@@ -1531,6 +1747,11 @@ struct QBUFFER __iomem
qbuffer = (struct QBUFFER __iomem *)&reg->message_rbuffer;
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer;
+ }
+ break;
}
return qbuffer;
}
@@ -1556,6 +1777,11 @@ static struct QBUFFER __iomem
pqbuffer = (struct QBUFFER __iomem *)&reg->message_wbuffer;
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer;
+ }
+ break;
}
return pqbuffer;
}
@@ -1610,7 +1836,7 @@ arcmsr_Read_iop_rqbuffer_data(struct Ada
uint8_t __iomem *iop_data;
uint32_t iop_len;

- if (acb->adapter_type & ACB_ADAPTER_TYPE_C)
+ if (acb->adapter_type & (ACB_ADAPTER_TYPE_C | ACB_ADAPTER_TYPE_D))
return arcmsr_Read_iop_rqbuffer_in_DWORD(acb, prbuffer);
iop_data = (uint8_t __iomem *)prbuffer->data;
iop_len = readl(&prbuffer->data_len);
@@ -1698,7 +1924,7 @@ arcmsr_write_ioctldata2iop(struct Adapte
uint8_t __iomem *iop_data;
int32_t allxfer_len = 0;

- if (acb->adapter_type & ACB_ADAPTER_TYPE_C) {
+ if (acb->adapter_type & (ACB_ADAPTER_TYPE_C | ACB_ADAPTER_TYPE_D)) {
arcmsr_write_ioctldata2iop_in_DWORD(acb);
return;
}
@@ -1775,6 +2001,27 @@ arcmsr_hbaC_doorbell_isr(struct AdapterC
}

static void
+arcmsr_hbaD_doorbell_isr(struct AdapterControlBlock *pACB)
+{
+ uint32_t outbound_doorbell;
+ struct MessageUnit_D *pmu = pACB->pmuD;
+
+ outbound_doorbell = readl(pmu->outbound_doorbell);
+ do {
+ writel(outbound_doorbell, pmu->outbound_doorbell);
+ if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE)
+ arcmsr_hbaD_message_isr(pACB);
+ if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK)
+ arcmsr_iop2drv_data_wrote_handle(pACB);
+ if (outbound_doorbell & ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK)
+ arcmsr_iop2drv_data_read_handle(pACB);
+ outbound_doorbell = readl(pmu->outbound_doorbell);
+ } while (outbound_doorbell & (ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK
+ | ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK
+ | ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE));
+}
+
+static void
arcmsr_hbaA_postqueue_isr(struct AdapterControlBlock *acb)
{
uint32_t flag_ccb;
@@ -1855,6 +2102,59 @@ arcmsr_hbaC_postqueue_isr(struct Adapter
}

static void
+arcmsr_hbaD_postqueue_isr(struct AdapterControlBlock *acb)
+{
+ u32 outbound_write_pointer, doneq_index, index_stripped;
+ uint32_t addressLow, ccb_cdb_phy;
+ int error;
+ struct MessageUnit_D *pmu;
+ struct ARCMSR_CDB *arcmsr_cdb;
+ struct CommandControlBlock *ccb;
+ unsigned long flags;
+
+ spin_lock_irqsave(&acb->doneq_lock, flags);
+ pmu = acb->pmuD;
+ outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
+ doneq_index = pmu->doneq_index;
+ if ((doneq_index & 0xFFF) != (outbound_write_pointer & 0xFFF)) {
+ do {
+ if (doneq_index & 0x4000) {
+ index_stripped = doneq_index & 0xFFF;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped
+ ? (index_stripped | 0x4000) :
+ (index_stripped + 1);
+ } else {
+ index_stripped = doneq_index;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped
+ ? index_stripped :
+ ((index_stripped | 0x4000) + 1);
+ }
+ doneq_index = pmu->doneq_index;
+ addressLow = pmu->done_qbuffer[doneq_index &
+ 0xFFF].addressLow;
+ ccb_cdb_phy = (addressLow & 0xFFFFFFF0);
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset
+ + ccb_cdb_phy);
+ ccb = container_of(arcmsr_cdb,
+ struct CommandControlBlock, arcmsr_cdb);
+ error = (addressLow & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1)
+ ? true : false;
+ arcmsr_drain_donequeue(acb, ccb, error);
+ writel(doneq_index, pmu->outboundlist_read_pointer);
+ } while ((doneq_index & 0xFFF) !=
+ (outbound_write_pointer & 0xFFF));
+ }
+ writel(ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR,
+ pmu->outboundlist_interrupt_cause);
+ readl(pmu->outboundlist_interrupt_cause);
+ spin_unlock_irqrestore(&acb->doneq_lock, flags);
+}
+
+static void
arcmsr_hbaA_message_isr(struct AdapterControlBlock *acb)
{
struct MessageUnit_A __iomem *reg = acb->pmuA;
@@ -1885,6 +2185,16 @@ arcmsr_hbaC_message_isr(struct AdapterCo
schedule_work(&acb->arcmsr_do_message_isr_bh);
}

+static void
+arcmsr_hbaD_message_isr(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_D *reg = acb->pmuD;
+
+ writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE, reg->outbound_doorbell);
+ readl(reg->outbound_doorbell);
+ schedule_work(&acb->arcmsr_do_message_isr_bh);
+}
+
static irqreturn_t
arcmsr_hbaA_handle_isr(struct AdapterControlBlock *acb)
{
@@ -1965,6 +2275,32 @@ arcmsr_hbaC_handle_isr(struct AdapterCon
}

static irqreturn_t
+arcmsr_hbaD_handle_isr(struct AdapterControlBlock *pACB)
+{
+ u32 host_interrupt_status;
+ struct MessageUnit_D *pmu = pACB->pmuD;
+
+ host_interrupt_status = readl(pmu->host_int_status) &
+ (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR |
+ ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR);
+ if (!host_interrupt_status)
+ return IRQ_NONE;
+ do {
+ /* MU post queue interrupts*/
+ if (host_interrupt_status &
+ ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR)
+ arcmsr_hbaD_postqueue_isr(pACB);
+ if (host_interrupt_status &
+ ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR)
+ arcmsr_hbaD_doorbell_isr(pACB);
+ host_interrupt_status = readl(pmu->host_int_status);
+ } while (host_interrupt_status &
+ (ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR |
+ ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR));
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
arcmsr_interrupt(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -1977,6 +2313,9 @@ arcmsr_interrupt(struct AdapterControlBl
case ACB_ADAPTER_TYPE_C:
return arcmsr_hbaC_handle_isr(acb);
break;
+ case ACB_ADAPTER_TYPE_D:
+ return arcmsr_hbaD_handle_isr(acb);
+ break;
default:
return IRQ_NONE;
}
@@ -2665,6 +3004,142 @@ arcmsr_hbaC_get_config(struct AdapterCon
}

static bool
+arcmsr_hbaD_get_config(struct AdapterControlBlock *acb)
+{
+ 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 *iop_firm_version;
+ char __iomem *iop_device_map;
+ u32 count;
+ struct MessageUnit_D *reg ;
+ void *dma_coherent2;
+ dma_addr_t dma_coherent_handle2;
+ struct pci_dev *pdev = acb->pdev;
+
+ acb->roundup_ccbsize = roundup(sizeof(struct MessageUnit_D), 32);
+ dma_coherent2 = dma_alloc_coherent(&pdev->dev, acb->roundup_ccbsize,
+ &dma_coherent_handle2, GFP_KERNEL);
+ if (!dma_coherent2) {
+ pr_notice("DMA allocation failed...\n");
+ return false;
+ }
+ memset(dma_coherent2, 0, acb->roundup_ccbsize);
+ acb->dma_coherent_handle2 = dma_coherent_handle2;
+ acb->dma_coherent2 = dma_coherent2;
+ reg = (struct MessageUnit_D *)dma_coherent2;
+ acb->pmuD = reg;
+ reg->chip_id = (u32 __iomem *)((unsigned long)acb->mem_base0 +
+ ARCMSR_ARC1214_CHIP_ID);
+ reg->cpu_mem_config = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION);
+ reg->i2o_host_interrupt_mask = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK);
+ reg->sample_at_reset = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_SAMPLE_RESET);
+ reg->reset_request = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_RESET_REQUEST);
+ reg->host_int_status = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS);
+ reg->pcief0_int_enable = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE);
+ reg->inbound_msgaddr0 = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_MESSAGE0);
+ reg->inbound_msgaddr1 = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_MESSAGE1);
+ reg->outbound_msgaddr0 = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_MESSAGE0);
+ reg->outbound_msgaddr1 = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_MESSAGE1);
+ reg->inbound_doorbell = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_DOORBELL);
+ reg->outbound_doorbell = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_DOORBELL);
+ reg->outbound_doorbell_enable = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE);
+ reg->inboundlist_base_low = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW);
+ reg->inboundlist_base_high = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH);
+ reg->inboundlist_write_pointer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER);
+ reg->outboundlist_base_low = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW);
+ reg->outboundlist_base_high = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH);
+ reg->outboundlist_copy_pointer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER);
+ reg->outboundlist_read_pointer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER);
+ reg->outboundlist_interrupt_cause = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE);
+ reg->outboundlist_interrupt_enable = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE);
+ reg->message_wbuffer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_MESSAGE_WBUFFER);
+ reg->message_rbuffer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_MESSAGE_RBUFFER);
+ reg->msgcode_rwbuffer = (u32 __iomem *)((unsigned long)
+ acb->mem_base0 + ARCMSR_ARC1214_MESSAGE_RWBUFFER);
+ iop_firm_model = (char __iomem *)(&reg->msgcode_rwbuffer[15]);
+ iop_firm_version = (char __iomem *)(&reg->msgcode_rwbuffer[17]);
+ iop_device_map = (char __iomem *)(&reg->msgcode_rwbuffer[21]);
+ if (readl(acb->pmuD->outbound_doorbell) &
+ ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE) {
+ writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE,
+ acb->pmuD->outbound_doorbell);/*clear interrupt*/
+ }
+ /* post "get config" instruction */
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, reg->inbound_msgaddr0);
+ /* wait message ready */
+ if (!arcmsr_hbaD_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: wait get adapter firmware "
+ "miscellaneous data timeout\n", acb->host->host_no);
+ dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
+ acb->dma_coherent2, acb->dma_coherent_handle2);
+ return false;
+ }
+ count = 8;
+ while (count) {
+ *acb_firm_model = readb(iop_firm_model);
+ acb_firm_model++;
+ iop_firm_model++;
+ count--;
+ }
+ count = 16;
+ while (count) {
+ *acb_firm_version = readb(iop_firm_version);
+ acb_firm_version++;
+ iop_firm_version++;
+ count--;
+ }
+ count = 16;
+ while (count) {
+ *acb_device_map = readb(iop_device_map);
+ acb_device_map++;
+ iop_device_map++;
+ count--;
+ }
+ acb->signature = readl(&reg->msgcode_rwbuffer[1]);
+ /*firm_signature,1,00-03*/
+ acb->firm_request_len = readl(&reg->msgcode_rwbuffer[2]);
+ /*firm_request_len,1,04-07*/
+ acb->firm_numbers_queue = readl(&reg->msgcode_rwbuffer[3]);
+ /*firm_numbers_queue,2,08-11*/
+ acb->firm_sdram_size = readl(&reg->msgcode_rwbuffer[4]);
+ /*firm_sdram_size,3,12-15*/
+ acb->firm_hd_channels = readl(&reg->msgcode_rwbuffer[5]);
+ /*firm_hd_channels,4,16-19*/
+ acb->firm_cfg_version = readl(&reg->msgcode_rwbuffer[25]);
+ pr_notice("Areca RAID Controller%d: Model %s, F/W %s\n",
+ acb->host->host_no,
+ acb->firm_model,
+ acb->firm_version);
+ return true;
+}
+
+static bool
arcmsr_get_firmware_spec(struct AdapterControlBlock *acb)
{
bool rtn = false;
@@ -2679,6 +3154,9 @@ arcmsr_get_firmware_spec(struct AdapterC
case ACB_ADAPTER_TYPE_C:
rtn = arcmsr_hbaC_get_config(acb);
break;
+ case ACB_ADAPTER_TYPE_D:
+ rtn = arcmsr_hbaD_get_config(acb);
+ break;
default:
break;
}
@@ -2894,6 +3372,89 @@ polling_hbc_ccb_retry:
}

static int
+arcmsr_hbaD_polling_ccbdone(struct AdapterControlBlock *acb,
+ struct CommandControlBlock *poll_ccb)
+{
+ bool error;
+ uint32_t poll_ccb_done = 0, poll_count = 0, flag_ccb, ccb_cdb_phy;
+ int rtn, doneq_index, index_stripped, outbound_write_pointer;
+ unsigned long flags;
+ struct ARCMSR_CDB *arcmsr_cdb;
+ struct CommandControlBlock *pCCB;
+ struct MessageUnit_D *pmu = acb->pmuD;
+
+ spin_lock_irqsave(&acb->doneq_lock, flags);
+polling_hbaD_ccb_retry:
+ poll_count++;
+ while (1) {
+ outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
+ doneq_index = pmu->doneq_index;
+ if ((outbound_write_pointer & 0xFFF) == (doneq_index & 0xFFF)) {
+ if (poll_ccb_done) {
+ rtn = SUCCESS;
+ break;
+ } else {
+ msleep(25);
+ if (poll_count > 100) {
+ rtn = FAILED;
+ break;
+ }
+ goto polling_hbaD_ccb_retry;
+ }
+ }
+ if (doneq_index & 0x4000) {
+ index_stripped = doneq_index & 0xFFF;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped ?
+ (index_stripped | 0x4000) :
+ (index_stripped + 1);
+ } else {
+ index_stripped = doneq_index;
+ index_stripped += 1;
+ index_stripped %= ARCMSR_MAX_ARC1214_DONEQUEUE;
+ pmu->doneq_index = index_stripped ? index_stripped :
+ ((index_stripped | 0x4000) + 1);
+ }
+ doneq_index = pmu->doneq_index;
+ flag_ccb = pmu->done_qbuffer[doneq_index & 0xFFF].addressLow;
+ ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);
+ arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset +
+ ccb_cdb_phy);
+ pCCB = container_of(arcmsr_cdb, struct CommandControlBlock,
+ arcmsr_cdb);
+ poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0;
+ if ((pCCB->acb != acb) ||
+ (pCCB->startdone != ARCMSR_CCB_START)) {
+ if (pCCB->startdone == ARCMSR_CCB_ABORTED) {
+ pr_notice("arcmsr%d: scsi id = %d "
+ "lun = %d ccb = '0x%p' poll command "
+ "abort successfully\n"
+ , acb->host->host_no
+ , pCCB->pcmd->device->id
+ , pCCB->pcmd->device->lun
+ , pCCB);
+ pCCB->pcmd->result = DID_ABORT << 16;
+ arcmsr_ccb_complete(pCCB);
+ continue;
+ }
+ pr_notice("arcmsr%d: polling 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);
+ }
+ spin_unlock_irqrestore(&acb->doneq_lock, flags);
+ return rtn;
+}
+
+static int
arcmsr_polling_ccbdone(struct AdapterControlBlock *acb,
struct CommandControlBlock *poll_ccb)
{
@@ -2909,6 +3470,9 @@ arcmsr_polling_ccbdone(struct AdapterCon
case ACB_ADAPTER_TYPE_C:
rtn = arcmsr_hbaC_polling_ccbdone(acb, poll_ccb);
break;
+ case ACB_ADAPTER_TYPE_D:
+ rtn = arcmsr_hbaD_polling_ccbdone(acb, poll_ccb);
+ break;
}
return rtn;
}
@@ -2925,13 +3489,21 @@ arcmsr_iop_confirm(struct AdapterControl
** if freeccb.HighPart is not zero
********************************************************************
*/
- dma_coherent_handle = acb->dma_coherent_handle;
+ switch (acb->adapter_type) {
+ case ACB_ADAPTER_TYPE_B:
+ case ACB_ADAPTER_TYPE_D:
+ dma_coherent_handle = acb->dma_coherent_handle2;
+ break;
+ default:
+ dma_coherent_handle = acb->dma_coherent_handle;
+ break;
+ }
cdb_phyaddr_lo32 = (uint32_t)(dma_coherent_handle & 0xffffffff);
cdb_phyaddr_hi32 = (uint32_t)((dma_coherent_handle >> 16) >> 16);
acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32;
/*
***********************************************************************
- ** if adapter type B set window of "post command Q"
+ ** if adapter type B or D, set window of "post command Q"
***********************************************************************
*/
switch (acb->adapter_type) {
@@ -2953,7 +3525,6 @@ arcmsr_iop_confirm(struct AdapterControl
}
break;
case ACB_ADAPTER_TYPE_B: {
- unsigned long post_queue_phyaddr;
uint32_t __iomem *rwbuffer;

struct MessageUnit_B *reg = acb->pmuB;
@@ -2965,16 +3536,15 @@ arcmsr_iop_confirm(struct AdapterControl
acb->host->host_no);
return 1;
}
- post_queue_phyaddr = acb->dma_coherent_handle2;
rwbuffer = reg->message_rwbuffer;
/* driver "set config" signature */
writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
/* normal should be zero */
writel(cdb_phyaddr_hi32, rwbuffer++);
/* postQ size (256 + 8)*4 */
- writel(post_queue_phyaddr, rwbuffer++);
+ writel(cdb_phyaddr_lo32, rwbuffer++);
/* doneQ size (256 + 8)*4 */
- writel(post_queue_phyaddr + 1056, rwbuffer++);
+ writel(cdb_phyaddr_lo32 + 1056, rwbuffer++);
/* ccb maxQ size must be --> [(256 + 8)*4]*/
writel(1056, rwbuffer);
writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell);
@@ -3012,6 +3582,26 @@ arcmsr_iop_confirm(struct AdapterControl
}
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ uint32_t __iomem *rwbuffer;
+ struct MessageUnit_D *reg = acb->pmuD;
+ reg->postq_index = 0;
+ reg->doneq_index = 0;
+ rwbuffer = reg->msgcode_rwbuffer;
+ writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++);
+ writel(cdb_phyaddr_hi32, rwbuffer++);
+ writel(cdb_phyaddr_lo32, rwbuffer++);
+ writel(cdb_phyaddr_lo32 + (ARCMSR_MAX_ARC1214_POSTQUEUE *
+ sizeof(struct InBound_SRB)), rwbuffer++);
+ writel(0x100, rwbuffer);
+ writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, reg->inbound_msgaddr0);
+ if (!arcmsr_hbaD_wait_msgint_ready(acb)) {
+ pr_notice("arcmsr%d: 'set command Q window' timeout\n",
+ acb->host->host_no);
+ return 1;
+ }
+ }
+ break;
}
return 0;
}
@@ -3022,7 +3612,6 @@ arcmsr_wait_firmware_ready(struct Adapte
uint32_t firmware_state = 0;

switch (acb->adapter_type) {
-
case ACB_ADAPTER_TYPE_A: {
struct MessageUnit_A __iomem *reg = acb->pmuA;
do {
@@ -3047,6 +3636,14 @@ arcmsr_wait_firmware_ready(struct Adapte
ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ do {
+ firmware_state = readl(reg->outbound_msgaddr1);
+ } while ((firmware_state &
+ ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK) == 0);
+ }
+ break;
}
}

@@ -3140,6 +3737,36 @@ arcmsr_hbaC_request_device_map(struct Ad
}

static void
+arcmsr_hbaD_request_device_map(struct AdapterControlBlock *acb)
+{
+ struct MessageUnit_D *reg = acb->pmuD;
+
+ if (unlikely(atomic_read(&acb->rq_map_token) == 0) ||
+ ((acb->acb_flags & ACB_F_BUS_RESET) != 0) ||
+ ((acb->acb_flags & ACB_F_ABORT) != 0)) {
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ } 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)) {
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
+ return;
+ }
+ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG,
+ reg->inbound_msgaddr0);
+ mod_timer(&acb->eternal_timer, jiffies +
+ msecs_to_jiffies(6 * HZ));
+ }
+}
+
+static void
arcmsr_request_device_map(unsigned long pacb)
{
struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb;
@@ -3154,6 +3781,9 @@ arcmsr_request_device_map(unsigned long
case ACB_ADAPTER_TYPE_C:
arcmsr_hbaC_request_device_map(acb);
break;
+ case ACB_ADAPTER_TYPE_D:
+ arcmsr_hbaD_request_device_map(acb);
+ break;
}
}

@@ -3198,6 +3828,19 @@ arcmsr_hbaC_start_bgrb(struct AdapterCon
}

static void
+arcmsr_hbaD_start_bgrb(struct AdapterControlBlock *pACB)
+{
+ struct MessageUnit_D *pmu = pACB->pmuD;
+
+ pACB->acb_flags |= ACB_F_MSG_START_BGRB;
+ writel(ARCMSR_INBOUND_MESG0_START_BGRB, pmu->inbound_msgaddr0);
+ if (!arcmsr_hbaD_wait_msgint_ready(pACB)) {
+ pr_notice("arcmsr%d: wait 'start adapter "
+ "background rebulid' timeout\n", pACB->host->host_no);
+ }
+}
+
+static void
arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb)
{
switch (acb->adapter_type) {
@@ -3210,6 +3853,9 @@ arcmsr_start_adapter_bgrb(struct Adapter
case ACB_ADAPTER_TYPE_C:
arcmsr_hbaC_start_bgrb(acb);
break;
+ case ACB_ADAPTER_TYPE_D:
+ arcmsr_hbaD_start_bgrb(acb);
+ break;
}
}

@@ -3258,6 +3904,28 @@ arcmsr_clear_doorbell_queue_buffer(struc
}
}
break;
+ case ACB_ADAPTER_TYPE_D: {
+ struct MessageUnit_D *reg = acb->pmuD;
+ uint32_t outbound_doorbell, i;
+ /* empty doorbell Qbuffer if door bell ringed */
+ outbound_doorbell = readl(reg->outbound_doorbell);
+ writel(outbound_doorbell, reg->outbound_doorbell);
+ writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
+ reg->inbound_doorbell);
+ for (i = 0; i < 200; i++) {
+ msleep(20);
+ outbound_doorbell = readl(reg->outbound_doorbell);
+ if (outbound_doorbell &
+ ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK) {
+ writel(outbound_doorbell,
+ reg->outbound_doorbell);
+ writel(ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ,
+ reg->inbound_doorbell);
+ } else
+ break;
+ }
+ }
+ break;
}
}

@@ -3280,6 +3948,7 @@ arcmsr_hardware_reset(struct AdapterCont
int i, count = 0;
struct MessageUnit_A __iomem *pmuA = acb->pmuA;
struct MessageUnit_C __iomem *pmuC = acb->pmuC;
+ struct MessageUnit_D *pmuD = acb->pmuD;

/* backup pci config data */
pr_notice("arcmsr%d: executing hw bus reset .....\n",
@@ -3302,6 +3971,8 @@ arcmsr_hardware_reset(struct AdapterCont
} while (((readl(&pmuC->host_diagnostic) &
ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5));
writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic);
+ } else if ((acb->dev_id == 0x1214)) {
+ writel(0x20, pmuD->reset_request);
} else {
pci_write_config_byte(acb->pdev, 0x84, 0x20);
}
@@ -3520,6 +4191,66 @@ sleep:
}
break;
}
+ case ACB_ADAPTER_TYPE_D: {
+ if (acb->acb_flags & ACB_F_BUS_RESET) {
+ long timeout;
+ pr_notice("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_D *reg;
+ reg = acb->pmuD;
+ arcmsr_hardware_reset(acb);
+ acb->acb_flags &= ~ACB_F_IOP_INITED;
+ nap:
+ ssleep(ARCMSR_SLEEPTIME);
+ if ((readl(reg->sample_at_reset) & 0x80) != 0) {
+ pr_err("arcmsr%d: waiting for "
+ "hw bus reset return, retry=%d\n",
+ acb->host->host_no, retry_count);
+ if (retry_count > ARCMSR_RETRYCOUNT) {
+ acb->fw_flag = FW_DEADLOCK;
+ pr_err("arcmsr%d: waiting for hw bus"
+ " reset return, "
+ "RETRY TERMINATED!!\n",
+ acb->host->host_no);
+ return FAILED;
+ }
+ retry_count++;
+ goto nap;
+ }
+ 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);
+ arcmsr_clear_doorbell_queue_buffer(acb);
+ 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;
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ rtn = SUCCESS;
+ pr_err("arcmsr: scsi bus reset "
+ "eh returns with success\n");
+ } else {
+ acb->acb_flags &= ~ACB_F_BUS_RESET;
+ atomic_set(&acb->rq_map_token, 16);
+ atomic_set(&acb->ante_token_value, 16);
+ acb->fw_flag = FW_NORMAL;
+ mod_timer(&acb->eternal_timer,
+ jiffies + msecs_to_jiffies(6 * HZ));
+ rtn = SUCCESS;
+ }
+ break;
+ }
}
return rtn;
}
@@ -3600,6 +4331,7 @@ static const char
case PCI_DEVICE_ID_ARECA_1280:
type = "SATA";
break;
+ case PCI_DEVICE_ID_ARECA_1214:
case PCI_DEVICE_ID_ARECA_1380:
case PCI_DEVICE_ID_ARECA_1381:
case PCI_DEVICE_ID_ARECA_1680:

2014-02-21 22:11:18

by Francois Romieu

Subject: Re: [PATCH v1.3 11/11] arcmsr: Adding support Areca ARC1214/1224/1264/1284 SATA 6Gb raid controllers

黃清隆 <[email protected]> :
[...]
> diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
> --- a/drivers/scsi/arcmsr/arcmsr_hba.c 2014-02-20 19:11:05.000000000 +0800
> +++ b/drivers/scsi/arcmsr/arcmsr_hba.c 2014-02-21 01:47:26.000000000 +0800
[...]
> @@ -2894,6 +3372,89 @@ polling_hbc_ccb_retry:
> }
>
> static int
> +arcmsr_hbaD_polling_ccbdone(struct AdapterControlBlock *acb,
> + struct CommandControlBlock *poll_ccb)
> +{
> + bool error;
> + uint32_t poll_ccb_done = 0, poll_count = 0, flag_ccb, ccb_cdb_phy;
> + int rtn, doneq_index, index_stripped, outbound_write_pointer;
> + unsigned long flags;
> + struct ARCMSR_CDB *arcmsr_cdb;
> + struct CommandControlBlock *pCCB;
> + struct MessageUnit_D *pmu = acb->pmuD;
> +
> + spin_lock_irqsave(&acb->doneq_lock, flags);
> +polling_hbaD_ccb_retry:
> + poll_count++;
> + while (1) {
> + outbound_write_pointer = pmu->done_qbuffer[0].addressLow + 1;
> + doneq_index = pmu->doneq_index;
> + if ((outbound_write_pointer & 0xFFF) == (doneq_index & 0xFFF)) {
> + if (poll_ccb_done) {
> + rtn = SUCCESS;
> + break;
> + } else {
> + msleep(25);

msleep with spinlock held.

--
Ueimor