[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve

Update of function prototype for common function to SPC and SPCv/ve.
Multiple queues implementation for IO.

Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com>
Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

3 files changed, 168 insertions, 105 deletions

diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 83f9ff46c123..3cdd03ae9430 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -1158,7 +1158,7 @@ static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
  * pm8001_chip_iounmap - which maped when initialized.
  * @pm8001_ha: our hba card information
  */
-static void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
+void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
 {
         s8 bar, logical = 0;
         for (bar = 0; bar < 6; bar++) {
@@ -1237,7 +1237,7 @@ pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
  * @pm8001_ha: our hba card information
  */
 static void
-pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
+pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
 {
 #ifdef PM8001_USE_MSIX
         pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
@@ -1252,7 +1252,7 @@ pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
  * @pm8001_ha: our hba card information
  */
 static void
-pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
+pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
 {
 #ifdef PM8001_USE_MSIX
         pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
@@ -1263,12 +1263,13 @@ pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
 }
 
 /**
- * mpi_msg_free_get- get the free message buffer for transfer inbound queue.
+ * pm8001_mpi_msg_free_get - get the free message buffer for transfer
+ * inbound queue.
  * @circularQ: the inbound queue  we want to transfer to HBA.
  * @messageSize: the message size of this transfer, normally it is 64 bytes
  * @messagePtr: the pointer to message.
  */
-static int mpi_msg_free_get(struct inbound_queue_table *circularQ,
+int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
                             u16 messageSize, void **messagePtr)
 {
         u32 offset, consumer_index;
@@ -1276,7 +1277,7 @@ static int mpi_msg_free_get(struct inbound_queue_table *circularQ,
         u8 bcCount = 1; /* only support single buffer */
 
         /* Checks is the requested message size can be allocated in this queue*/
-        if (messageSize > 64) {
+        if (messageSize > IOMB_SIZE_SPCV) {
                 *messagePtr = NULL;
                 return -1;
         }
@@ -1290,7 +1291,7 @@ static int mpi_msg_free_get(struct inbound_queue_table *circularQ,
                 return -1;
         }
         /* get memory IOMB buffer address */
-        offset = circularQ->producer_idx * 64;
+        offset = circularQ->producer_idx * messageSize;
         /* increment to next bcCount element */
         circularQ->producer_idx = (circularQ->producer_idx + bcCount)
                                 % PM8001_MPI_QUEUE;
@@ -1302,29 +1303,30 @@ static int mpi_msg_free_get(struct inbound_queue_table *circularQ,
 }
 
 /**
- * mpi_build_cmd- build the message queue for transfer, update the PI to FW
- * to tell the fw to get this message from IOMB.
+ * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
+ * FW to tell the fw to get this message from IOMB.
  * @pm8001_ha: our hba card information
  * @circularQ: the inbound queue we want to transfer to HBA.
  * @opCode: the operation code represents commands which LLDD and fw recognized.
  * @payload: the command payload of each operation command.
  */
-static int mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
+int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
                          struct inbound_queue_table *circularQ,
-                         u32 opCode, void *payload)
+                         u32 opCode, void *payload, u32 responseQueue)
 {
         u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
-        u32 responseQueue = 0;
         void *pMessage;
 
-        if (mpi_msg_free_get(circularQ, 64, &pMessage) < 0) {
+        if (pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
+                &pMessage) < 0) {
                 PM8001_IO_DBG(pm8001_ha,
                         pm8001_printk("No free mpi buffer\n"));
                 return -1;
         }
         BUG_ON(!payload);
         /*Copy to the payload*/
-        memcpy(pMessage, payload, (64 - sizeof(struct mpi_msg_hdr)));
+        memcpy(pMessage, payload, (pm8001_ha->iomb_size -
+                                sizeof(struct mpi_msg_hdr)));
 
         /*Build the header*/
         Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
@@ -1336,12 +1338,13 @@ static int mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
         pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
                 circularQ->pi_offset, circularQ->producer_idx);
         PM8001_IO_DBG(pm8001_ha,
-                pm8001_printk("after PI= %d CI= %d\n", circularQ->producer_idx,
-                circularQ->consumer_index));
+                pm8001_printk("INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
+                        responseQueue, opCode, circularQ->producer_idx,
+                        circularQ->consumer_index));
         return 0;
 }
 
-static u32 mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
+u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
                             struct outbound_queue_table *circularQ, u8 bc)
 {
         u32 producer_index;
@@ -1350,7 +1353,7 @@ static u32 mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
 
         msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
         pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
-                                circularQ->consumer_idx * 64);
+                                circularQ->consumer_idx * pm8001_ha->iomb_size);
         if (pOutBoundMsgHeader != msgHeader) {
                 PM8001_FAIL_DBG(pm8001_ha,
                         pm8001_printk("consumer_idx = %d msgHeader = %p\n",
@@ -1381,13 +1384,14 @@ static u32 mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
 }
 
 /**
- * mpi_msg_consume- get the MPI message from  outbound queue message table.
+ * pm8001_mpi_msg_consume- get the MPI message from outbound queue
+ * message table.
  * @pm8001_ha: our hba card information
  * @circularQ: the outbound queue  table.
  * @messagePtr1: the message contents of this outbound message.
  * @pBC: the message size.
  */
-static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
+u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
                            struct outbound_queue_table *circularQ,
                            void **messagePtr1, u8 *pBC)
 {
@@ -1401,7 +1405,7 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
                         /*Get the pointer to the circular queue buffer element*/
                         msgHeader = (struct mpi_msg_hdr *)
                                 (circularQ->base_virt +
-                                circularQ->consumer_idx * 64);
+                                circularQ->consumer_idx * pm8001_ha->iomb_size);
                         /* read header */
                         header_tmp = pm8001_read_32(msgHeader);
                         msgHeader_tmp = cpu_to_le32(header_tmp);
@@ -1461,7 +1465,7 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
         return MPI_IO_STATUS_BUSY;
 }
 
-static void pm8001_work_fn(struct work_struct *work)
+void pm8001_work_fn(struct work_struct *work)
 {
         struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
         struct pm8001_device *pm8001_dev;
@@ -1659,7 +1663,7 @@ static void pm8001_work_fn(struct work_struct *work)
         kfree(pw);
 }
 
-static int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
+int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
                                int handler)
 {
         struct pm8001_work *pw;
@@ -2867,8 +2871,8 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
         }
 }
 
-static void
-mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
+                void *piomb)
 {
         struct set_dev_state_resp *pPayload =
                 (struct set_dev_state_resp *)(piomb + 4);
@@ -2888,8 +2892,7 @@ mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
         pm8001_ccb_free(pm8001_ha, tag);
 }
 
-static void
-mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 {
         struct get_nvm_data_resp *pPayload =
                 (struct get_nvm_data_resp *)(piomb + 4);
@@ -2908,8 +2911,8 @@ mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
         pm8001_ccb_free(pm8001_ha, tag);
 }
 
-static void
-mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+void
+pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 {
         struct fw_control_ex    *fw_control_context;
         struct get_nvm_data_resp *pPayload =
@@ -2970,7 +2973,7 @@ mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
         pm8001_ccb_free(pm8001_ha, tag);
 }
 
-static int mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
+int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
 {
         struct local_phy_ctl_resp *pPayload =
                 (struct local_phy_ctl_resp *)(piomb + 4);
@@ -2999,7 +3002,7 @@ static int mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
  * while receive a broadcast(change) primitive just tell the sas
  * layer to discover the changed domain rather than the whole domain.
  */
-static void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
+void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
 {
         struct pm8001_phy *phy = &pm8001_ha->phy[i];
         struct asd_sas_phy *sas_phy = &phy->sas_phy;
@@ -3033,7 +3036,7 @@ static void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
 }
 
 /* Get the link rate speed  */
-static void get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
+void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
 {
         struct sas_phy *sas_phy = phy->sas_phy.phy;
 
@@ -3070,7 +3073,7 @@ static void get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
  * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
  * buffer.
  */
-static void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
+void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
         u8 *sas_addr)
 {
         if (phy->sas_phy.frame_rcvd[0] == 0x34
@@ -3112,7 +3115,7 @@ static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
                 ((phyId & 0x0F) << 4) | (port_id & 0x0F));
         payload.param0 = cpu_to_le32(param0);
         payload.param1 = cpu_to_le32(param1);
-        mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
+        pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
 }
 
 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
@@ -3157,19 +3160,19 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
                 pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
                         PHY_NOTIFY_ENABLE_SPINUP);
                 port->port_attached = 1;
-                get_lrate_mode(phy, link_rate);
+                pm8001_get_lrate_mode(phy, link_rate);
                 break;
         case SAS_EDGE_EXPANDER_DEVICE:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("expander device.\n"));
                 port->port_attached = 1;
-                get_lrate_mode(phy, link_rate);
+                pm8001_get_lrate_mode(phy, link_rate);
                 break;
         case SAS_FANOUT_EXPANDER_DEVICE:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("fanout expander device.\n"));
                 port->port_attached = 1;
-                get_lrate_mode(phy, link_rate);
+                pm8001_get_lrate_mode(phy, link_rate);
                 break;
         default:
                 PM8001_MSG_DBG(pm8001_ha,
@@ -3224,7 +3227,7 @@ hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
                 " phy id = %d\n", port_id, phy_id));
         port->port_state =  portstate;
         port->port_attached = 1;
-        get_lrate_mode(phy, link_rate);
+        pm8001_get_lrate_mode(phy, link_rate);
         phy->phy_type |= PORT_TYPE_SATA;
         phy->phy_attached = 1;
         phy->sas_phy.oob_mode = SATA_OOB_MODE;
@@ -3305,7 +3308,7 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
 }
 
 /**
- * mpi_reg_resp -process register device ID response.
+ * pm8001_mpi_reg_resp -process register device ID response.
  * @pm8001_ha: our hba card information
  * @piomb: IO message buffer
  *
@@ -3314,7 +3317,7 @@ hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
  * has assigned, from now,inter-communication with FW is no longer using the
  * SAS address, use device ID which FW assigned.
  */
-static int mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 {
         u32 status;
         u32 device_id;
@@ -3376,7 +3379,7 @@ static int mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
         return 0;
 }
 
-static int mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 {
         u32 status;
         u32 device_id;
@@ -3392,8 +3395,13 @@ static int mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
         return 0;
 }
 
-static int
-mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+/**
+ * fw_flash_update_resp - Response from FW for flash update command.
+ * @pm8001_ha: our hba card information
+ * @piomb: IO message buffer
+ */
+int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
+                void *piomb)
 {
         u32 status;
         struct fw_control_ex    fw_control_context;
@@ -3459,8 +3467,7 @@ mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
         return 0;
 }
 
-static int
-mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
+int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
 {
         u32 status;
         int i;
@@ -3476,8 +3483,7 @@ mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
         return 0;
 }
 
-static int
-mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
 {
         struct sas_task *t;
         struct pm8001_ccb_info *ccb;
@@ -3772,17 +3778,17 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
         case OPC_OUB_LOCAL_PHY_CNTRL:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
-                mpi_local_phy_ctl(pm8001_ha, piomb);
+                pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
                 break;
         case OPC_OUB_DEV_REGIST:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_DEV_REGIST\n"));
-                mpi_reg_resp(pm8001_ha, piomb);
+                pm8001_mpi_reg_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_DEREG_DEV:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("unregister the device\n"));
-                mpi_dereg_resp(pm8001_ha, piomb);
+                pm8001_mpi_dereg_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_GET_DEV_HANDLE:
                 PM8001_MSG_DBG(pm8001_ha,
@@ -3820,7 +3826,7 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
         case OPC_OUB_FW_FLASH_UPDATE:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
-                mpi_fw_flash_update_resp(pm8001_ha, piomb);
+                pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_GPIO_RESPONSE:
                 PM8001_MSG_DBG(pm8001_ha,
@@ -3833,17 +3839,17 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
         case OPC_OUB_GENERAL_EVENT:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
-                mpi_general_event(pm8001_ha, piomb);
+                pm8001_mpi_general_event(pm8001_ha, piomb);
                 break;
         case OPC_OUB_SSP_ABORT_RSP:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
-                mpi_task_abort_resp(pm8001_ha, piomb);
+                pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_SATA_ABORT_RSP:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
-                mpi_task_abort_resp(pm8001_ha, piomb);
+                pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_SAS_DIAG_MODE_START_END:
                 PM8001_MSG_DBG(pm8001_ha,
@@ -3868,17 +3874,17 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
         case OPC_OUB_SMP_ABORT_RSP:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
-                mpi_task_abort_resp(pm8001_ha, piomb);
+                pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_GET_NVMD_DATA:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
-                mpi_get_nvmd_resp(pm8001_ha, piomb);
+                pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_SET_NVMD_DATA:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
-                mpi_set_nvmd_resp(pm8001_ha, piomb);
+                pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_DEVICE_HANDLE_REMOVAL:
                 PM8001_MSG_DBG(pm8001_ha,
@@ -3887,7 +3893,7 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
         case OPC_OUB_SET_DEVICE_STATE:
                 PM8001_MSG_DBG(pm8001_ha,
                         pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
-                mpi_set_dev_state_resp(pm8001_ha, piomb);
+                pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
                 break;
         case OPC_OUB_GET_DEVICE_STATE:
                 PM8001_MSG_DBG(pm8001_ha,
@@ -3909,7 +3915,7 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
         }
 }
 
-static int process_oq(struct pm8001_hba_info *pm8001_ha)
+static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
 {
         struct outbound_queue_table *circularQ;
         void *pMsg1 = NULL;
@@ -3918,14 +3924,15 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha)
         unsigned long flags;
 
         spin_lock_irqsave(&pm8001_ha->lock, flags);
-        circularQ = &pm8001_ha->outbnd_q_tbl[0];
+        circularQ = &pm8001_ha->outbnd_q_tbl[vec];
         do {
-                ret = mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
+                ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
                 if (MPI_IO_STATUS_SUCCESS == ret) {
                         /* process the outbound message */
                         process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
                         /* free the message from the outbound circular buffer */
-                        mpi_msg_free_set(pm8001_ha, pMsg1, circularQ, bc);
+                        pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
+                                                        circularQ, bc);
                 }
                 if (MPI_IO_STATUS_BUSY == ret) {
                         /* Update the producer index from SPC */
@@ -3948,7 +3955,7 @@ static const u8 data_dir_flags[] = {
         [PCI_DMA_FROMDEVICE]    = DATA_DIR_IN,/* INBOUND */
         [PCI_DMA_NONE]          = DATA_DIR_NONE,/* NO TRANSFER */
 };
-static void
+void
 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
 {
         int i;
@@ -4023,7 +4030,7 @@ static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
         smp_cmd.long_smp_req.long_resp_size =
                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
         build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
-        mpi_build_cmd(pm8001_ha, circularQ, opc, (u32 *)&smp_cmd);
+        pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, (u32 *)&smp_cmd, 0);
         return 0;
 
 err_out_2:
@@ -4087,7 +4094,7 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
                 ssp_cmd.esgl = 0;
         }
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd, 0);
         return ret;
 }
 
@@ -4157,7 +4164,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
                 sata_cmd.esgl = 0;
         }
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
         return ret;
 }
 
@@ -4192,7 +4199,7 @@ pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
         memcpy(payload.sas_identify.sas_addr,
                 pm8001_ha->sas_addr, SAS_ADDR_SIZE);
         payload.sas_identify.phy_id = phy_id;
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
         return ret;
 }
 
@@ -4202,7 +4209,7 @@ pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
  * @num: the inbound queue number
  * @phy_id: the phy id which we wanted to start up.
  */
-static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
+int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
         u8 phy_id)
 {
         struct phy_stop_req payload;
@@ -4214,12 +4221,12 @@ static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
         memset(&payload, 0, sizeof(payload));
         payload.tag = cpu_to_le32(tag);
         payload.phy_id = cpu_to_le32(phy_id);
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
         return ret;
 }
 
 /**
- * see comments on mpi_reg_resp.
+ * see comments on pm8001_mpi_reg_resp.
  */
 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
         struct pm8001_device *pm8001_dev, u32 flag)
@@ -4273,14 +4280,14 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
                 cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
         memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
                 SAS_ADDR_SIZE);
-        rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
+        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
         return rc;
 }
 
 /**
- * see comments on mpi_reg_resp.
+ * see comments on pm8001_mpi_reg_resp.
  */
-static int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
+int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
         u32 device_id)
 {
         struct dereg_dev_req payload;
@@ -4294,7 +4301,7 @@ static int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
         payload.device_id = cpu_to_le32(device_id);
         PM8001_MSG_DBG(pm8001_ha,
                 pm8001_printk("unregister device device_id = %d\n", device_id));
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
         return ret;
 }
 
@@ -4317,7 +4324,7 @@ static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
         payload.tag = cpu_to_le32(1);
         payload.phyop_phyid =
                 cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
         return ret;
 }
 
@@ -4341,11 +4348,11 @@ static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
  * @stat: stat.
  */
 static irqreturn_t
-pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha)
+pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
 {
-        pm8001_chip_interrupt_disable(pm8001_ha);
-        process_oq(pm8001_ha);
-        pm8001_chip_interrupt_enable(pm8001_ha);
+        pm8001_chip_interrupt_disable(pm8001_ha, vec);
+        process_oq(pm8001_ha, vec);
+        pm8001_chip_interrupt_enable(pm8001_ha, vec);
         return IRQ_HANDLED;
 }
 
@@ -4367,7 +4374,7 @@ static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
                 task_abort.device_id = cpu_to_le32(dev_id);
                 task_abort.tag = cpu_to_le32(cmd_tag);
         }
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
         return ret;
 }
 
@@ -4376,7 +4383,7 @@ static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
  * @task: the task we wanted to aborted.
  * @flag: the abort flag.
  */
-static int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
+int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
         struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag)
 {
         u32 opc, device_id;
@@ -4403,7 +4410,7 @@ static int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
  * @ccb: the ccb information.
  * @tmf: task management function.
  */
-static int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
+int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
         struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf)
 {
         struct sas_task *task = ccb->task;
@@ -4421,11 +4428,11 @@ static int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
         memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
         sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
         circularQ = &pm8001_ha->inbnd_q_tbl[0];
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd, 0);
         return ret;
 }
 
-static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
+int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
         void *payload)
 {
         u32 opc = OPC_INB_GET_NVMD_DATA;
@@ -4501,11 +4508,11 @@ static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
         default:
                 break;
         }
-        rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);
+        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, 0);
         return rc;
 }
 
-static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
+int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
         void *payload)
 {
         u32 opc = OPC_INB_SET_NVMD_DATA;
@@ -4581,7 +4588,7 @@ static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
         default:
                 break;
         }
-        rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);
+        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, 0);
         return rc;
 }
 
@@ -4590,7 +4597,7 @@ static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
  * @pm8001_ha: our hba card information.
  * @fw_flash_updata_info: firmware flash update param
  */
-static int
+int
 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
         void *fw_flash_updata_info, u32 tag)
 {
@@ -4612,11 +4619,11 @@ pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
                 cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
         payload.sgl_addr_hi =
                 cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
-        ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
+        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
         return ret;
 }
 
-static int
+int
 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
         void *payload)
 {
@@ -4672,7 +4679,7 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
         return rc;
 }
 
-static int
+int
 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
         struct pm8001_device *pm8001_dev, u32 state)
 {
@@ -4693,7 +4700,7 @@ pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
         payload.tag = cpu_to_le32(tag);
         payload.device_id = cpu_to_le32(pm8001_dev->device_id);
         payload.nds = cpu_to_le32(state);
-        rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
+        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
         return rc;
 
 }
@@ -4718,7 +4725,7 @@ pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
         payload.SSAHOLT = cpu_to_le32(0xd << 25);
         payload.sata_hol_tmo = cpu_to_le32(80);
         payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
-        rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
+        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
         return rc;
 
 }
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 98686b982302..19fbd03b4190 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -165,7 +165,7 @@ static void pm8001_tasklet(unsigned long opaque)
         pm8001_ha = (struct pm8001_hba_info *)opaque;
         if (unlikely(!pm8001_ha))
                 BUG_ON(1);
-        PM8001_CHIP_DISP->isr(pm8001_ha);
+        PM8001_CHIP_DISP->isr(pm8001_ha, 0);
 }
 #endif
 
@@ -189,7 +189,7 @@ static irqreturn_t pm8001_interrupt(int irq, void *opaque)
 #ifdef PM8001_USE_TASKLET
         tasklet_schedule(&pm8001_ha->tasklet);
 #else
-        ret = PM8001_CHIP_DISP->isr(pm8001_ha);
+        ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
 #endif
         return ret;
 }
@@ -420,6 +420,12 @@ static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
         pm8001_ha->id = pm8001_id++;
         pm8001_ha->logging_level = 0x01;
         sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id);
+        /* IOMB size is 128 for 8088/89 controllers */
+        if (pm8001_ha->chip_id != chip_8001)
+                pm8001_ha->iomb_size = IOMB_SIZE_SPCV;
+        else
+                pm8001_ha->iomb_size = IOMB_SIZE_SPC;
+
 #ifdef PM8001_USE_TASKLET
         tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet,
                 (unsigned long)pm8001_ha);
@@ -722,7 +728,7 @@ static int pm8001_pci_probe(struct pci_dev *pdev,
         if (rc)
                 goto err_out_shost;
 
-        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha);
+        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
         pm8001_init_sas_add(pm8001_ha);
         pm8001_post_sas_ha_init(shost, chip);
         rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
@@ -758,7 +764,7 @@ static void pm8001_pci_remove(struct pci_dev *pdev)
         sas_remove_host(pm8001_ha->shost);
         list_del(&pm8001_ha->list);
         scsi_remove_host(pm8001_ha->shost);
-        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha);
+        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0);
         PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha, 0x252acbcd);
 
 #ifdef PM8001_USE_MSIX
@@ -802,7 +808,7 @@ static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
                 printk(KERN_ERR " PCI PM not supported\n");
                 return -ENODEV;
         }
-        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha);
+        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0);
         PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha, 0x252acbcd);
 #ifdef PM8001_USE_MSIX
         for (i = 0; i < pm8001_ha->number_of_intr; i++)
@@ -863,7 +869,7 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
         rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
         if (rc)
                 goto err_out_disable;
-        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha);
+        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0);
         rc = pm8001_request_irq(pm8001_ha);
         if (rc)
                 goto err_out_disable;
@@ -871,7 +877,7 @@ static int pm8001_pci_resume(struct pci_dev *pdev)
         tasklet_init(&pm8001_ha->tasklet, pm8001_tasklet,
                     (unsigned long)pm8001_ha);
         #endif
-        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha);
+        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
         scsi_unblock_requests(pm8001_ha->shost);
         return 0;
 
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index 37a339e6a3a4..e0faa9597c26 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -1,5 +1,5 @@
 /*
- * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
+ * PMC-Sierra 8001/8081/8088/8089 SAS/SATA based host adapters driver
  *
  * Copyright (c) 2008-2009 USI Co., Ltd.
  * All rights reserved.
@@ -135,11 +135,11 @@ struct pm8001_dispatch {
         void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
         int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
         void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
-        irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha);
+        irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
         u32 (*is_our_interupt)(struct pm8001_hba_info *pm8001_ha);
-        int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha);
-        void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha);
-        void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha);
+        int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
+        void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
+        void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
         void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
         int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
                 struct pm8001_ccb_info *ccb);
@@ -563,6 +563,56 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
         dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
         u32 mem_size, u32 align);
 
+/********** functions common to spc & spcv - begins ************/
+void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
+int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
+                        struct inbound_queue_table *circularQ,
+                        u32 opCode, void *payload, u32 responseQueue);
+int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
+                                u16 messageSize, void **messagePtr);
+u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
+                        struct outbound_queue_table *circularQ, u8 bc);
+u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
+                        struct outbound_queue_table *circularQ,
+                        void **messagePtr1, u8 *pBC);
+int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
+                        struct pm8001_device *pm8001_dev, u32 state);
+int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
+                                        void *payload);
+int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
+                                        void *fw_flash_updata_info, u32 tag);
+int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
+int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
+int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
+                                struct pm8001_ccb_info *ccb,
+                                struct pm8001_tmf_task *tmf);
+int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
+                                struct pm8001_device *pm8001_dev,
+                                u8 flag, u32 task_tag, u32 cmd_tag);
+int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
+void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
+void pm8001_work_fn(struct work_struct *work);
+int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
+                                        void *data, int handler);
+void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
+                                                        void *piomb);
+void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
+                                                        void *piomb);
+void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
+                                                        void *piomb);
+int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
+                                                        void *piomb);
+void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
+void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
+void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
+int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
+int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
+int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
+                                                        void *piomb);
+int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb);
+int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
+/*********** functions common to spc & spcv - ends ************/
+
 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
 
 /* ctl shared API */