[PATCH 5/12] scsi: arcmsr: Update for ACB_ADAPTER_TYPE_A that ccb address can above 4GB

[Ching Huang]

>From Ching Huang <ching2...@areca.com.tw>

Update for ACB_ADAPTER_TYPE_A that ccb address can above 4GB

Signed-off-by: Ching Huang <ching2...@areca.com.tw>
---

diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 5353dbb..2ff1c9a 100755
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -1382,10 +1382,12 @@ static void arcmsr_drain_donequeue(struct 
AdapterControlBlock *acb, struct Comma
 static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
 {
        int i = 0;
-       uint32_t flag_ccb, ccb_cdb_phy;
+       uint32_t flag_ccb;
        struct ARCMSR_CDB *pARCMSR_CDB;
        bool error;
        struct CommandControlBlock *pCCB;
+       unsigned long ccb_cdb_phy, cdb_phy_hipart;
+
        switch (acb->adapter_type) {
 
        case ACB_ADAPTER_TYPE_A: {
@@ -1397,7 +1399,10 @@ static void arcmsr_done4abort_postqueue(struct 
AdapterControlBlock *acb)
                writel(outbound_intstatus, &reg->outbound_intstatus);/*clear 
interrupt*/
                while(((flag_ccb = readl(&reg->outbound_queueport)) != 
0xFFFFFFFF)
                                && (i++ < acb->maxOutstanding)) {
-                       pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset 
+ (flag_ccb << 5));/*frame must be 32 bytes aligned*/
+                       ccb_cdb_phy = (flag_ccb << 5) & 0xffffffff;
+                       if (acb->cdb_phyadd_hipart)
+                               ccb_cdb_phy = ccb_cdb_phy | 
acb->cdb_phyadd_hipart;
+                       pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset 
+ ccb_cdb_phy);
                        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);
@@ -2333,8 +2338,13 @@ static void arcmsr_hbaA_postqueue_isr(struct 
AdapterControlBlock *acb)
        struct ARCMSR_CDB *pARCMSR_CDB;
        struct CommandControlBlock *pCCB;
        bool error;
+       unsigned long cdb_phy_addr;
+
        while ((flag_ccb = readl(&reg->outbound_queueport)) != 0xFFFFFFFF) {
-               pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + 
(flag_ccb << 5));/*frame must be 32 bytes aligned*/
+               cdb_phy_addr = (flag_ccb << 5) & 0xffffffff;
+               if (acb->cdb_phyadd_hipart)
+                       cdb_phy_addr = cdb_phy_addr | acb->cdb_phyadd_hipart;
+               pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + 
cdb_phy_addr);
                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);
@@ -3258,7 +3268,9 @@ static int arcmsr_hbaA_polling_ccbdone(struct 
AdapterControlBlock *acb,
        uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 
0;
        int rtn;
        bool error;
-       polling_hba_ccb_retry:
+       unsigned long ccb_cdb_phy;
+
+polling_hba_ccb_retry:
        poll_count++;
        outbound_intstatus = readl(&reg->outbound_intstatus) & 
acb->outbound_int_enable;
        writel(outbound_intstatus, &reg->outbound_intstatus);/*clear interrupt*/
@@ -3276,7 +3288,10 @@ static int arcmsr_hbaA_polling_ccbdone(struct 
AdapterControlBlock *acb,
                                goto polling_hba_ccb_retry;
                        }
                }
-               arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + 
(flag_ccb << 5));
+               ccb_cdb_phy = (flag_ccb << 5) & 0xffffffff;
+               if (acb->cdb_phyadd_hipart)
+                       ccb_cdb_phy = ccb_cdb_phy | acb->cdb_phyadd_hipart;
+               arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + 
ccb_cdb_phy);
                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)) {