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Commit 72d0baa0 authored by jack_wang's avatar jack_wang Committed by James Bottomley
Browse files

[SCSI] pm8001: enhance IOMB process modules 



We set interupt cascading count of outbound queue to get better
performance, correct some unnecessary return values and some noisy
print messages.  patch attached.

Signed-off-by: default avatarJack Wang <jack_wang@usish.com>
Signed-off-by: default avatarLindar Liu <lindar_liu@usish.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent d0b68041

drivers/scsi/pm8001/pm8001_hwi.c

+140 −105
Original line number Diff line number Diff line
@@ -341,7 +341,7 @@ update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number) 
 * @pm8001_ha : our hba card infomation

 * @shiftValue : shifting value in memory bar.

 */

static u32 bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)

static int bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)

{

	u32 regVal;

	u32 max_wait_count;
@@ -1217,7 +1217,7 @@ pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha) 
 * @messageSize: the message size of this transfer, normally it is 64 bytes

 * @messagePtr: the pointer to message.

 */

static u32 mpi_msg_free_get(struct inbound_queue_table *circularQ,

static int mpi_msg_free_get(struct inbound_queue_table *circularQ,

			    u16 messageSize, void **messagePtr)

{

	u32 offset, consumer_index;
@@ -1257,7 +1257,7 @@ static u32 mpi_msg_free_get(struct inbound_queue_table *circularQ, 
 * @opCode: the operation code represents commands which LLDD and fw recognized.

 * @payload: the command payload of each operation command.

 */

static u32 mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,

static int mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,

			 struct inbound_queue_table *circularQ,

			 u32 opCode, void *payload)

{
@@ -1270,7 +1270,7 @@ static u32 mpi_build_cmd(struct pm8001_hba_info *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)));
@@ -1289,10 +1289,30 @@ static u32 mpi_build_cmd(struct pm8001_hba_info *pm8001_ha, 
	return 0;

}



static u32 mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha,

static u32 mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,

			    struct outbound_queue_table *circularQ, u8 bc)

{

	u32 producer_index;

	struct mpi_msg_hdr *msgHeader;

	struct mpi_msg_hdr *pOutBoundMsgHeader;



	msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));

	pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +

				circularQ->consumer_idx * 64);

	if (pOutBoundMsgHeader != msgHeader) {

		PM8001_FAIL_DBG(pm8001_ha,

			pm8001_printk("consumer_idx = %d msgHeader = %p\n",

			circularQ->consumer_idx, msgHeader));



		/* Update the producer index from SPC */

		producer_index = pm8001_read_32(circularQ->pi_virt);

		circularQ->producer_index = cpu_to_le32(producer_index);

		PM8001_FAIL_DBG(pm8001_ha,

			pm8001_printk("consumer_idx = %d producer_index = %d"

			"msgHeader = %p\n", circularQ->consumer_idx,

			circularQ->producer_index, msgHeader));

		return 0;

	}

	/* free the circular queue buffer elements associated with the message*/

	circularQ->consumer_idx = (circularQ->consumer_idx + bc) % 256;

	/* update the CI of outbound queue */
@@ -1324,8 +1344,6 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha, 
	do {

		/* If there are not-yet-delivered messages ... */

		if (circularQ->producer_index != circularQ->consumer_idx) {

			PM8001_IO_DBG(pm8001_ha,

				pm8001_printk("process an IOMB\n"));

			/*Get the pointer to the circular queue buffer element*/

			msgHeader = (struct mpi_msg_hdr *)

				(circularQ->base_virt +
@@ -1342,35 +1360,44 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha, 
					*pBC = (u8)((msgHeader_tmp >> 24) &

						0x1f);

					PM8001_IO_DBG(pm8001_ha,

						pm8001_printk("mpi_msg_consume"

						": CI=%d PI=%d msgHeader=%x\n",

						pm8001_printk(": CI=%d PI=%d "

						"msgHeader=%x\n",

						circularQ->consumer_idx,

						circularQ->producer_index,

						msgHeader_tmp));

					return MPI_IO_STATUS_SUCCESS;

				} else {

					u32 producer_index;

					void *pi_virt = circularQ->pi_virt;

					/* free the circular queue buffer

					elements associated with the message*/

					circularQ->consumer_idx =

						(circularQ->consumer_idx +

						((msgHeader_tmp >> 24) & 0x1f))

						% 256;

					msgHeader_tmp = 0;

					pm8001_write_32(msgHeader, 0, 0);

					/* update the CI of outbound queue */

					pm8001_cw32(pm8001_ha,

						circularQ->ci_pci_bar,

						circularQ->ci_offset,

						circularQ->consumer_idx);

					/* Update the producer index from SPC */

					producer_index =

						pm8001_read_32(pi_virt);

					circularQ->producer_index =

						cpu_to_le32(producer_index);

				}

			} else

			} else {

				circularQ->consumer_idx =

					(circularQ->consumer_idx +

					((msgHeader_tmp >> 24) & 0x1f)) % 256;

				msgHeader_tmp = 0;

				pm8001_write_32(msgHeader, 0, 0);

				/* update the CI of outbound queue */

				pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,

					circularQ->ci_offset,

					circularQ->consumer_idx);

				return MPI_IO_STATUS_FAIL;

			}

		} else {

			u32 producer_index;

			void *pi_virt = circularQ->pi_virt;

			/* Update the producer index from SPC */

			producer_index = pm8001_read_32(pi_virt);

			circularQ->producer_index = cpu_to_le32(producer_index);

		}

	} while (circularQ->producer_index != circularQ->consumer_idx);

	/* while we don't have any more not-yet-delivered message */

	/* report empty */
@@ -1441,7 +1468,7 @@ static int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data, 
 * So we will tell the caller who maybe waiting the result to tell upper layer

 * that the task has been finished.

 */

static int

static void

mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)

{

	struct sas_task *t;
@@ -1461,14 +1488,13 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb) 
	pm8001_dev = ccb->device;

	param = le32_to_cpu(psspPayload->param);



	PM8001_IO_DBG(pm8001_ha, pm8001_printk("OPC_OUB_SSP_COMP\n"));

	t = ccb->task;



	if (status)

	if (status && status != IO_UNDERFLOW)

		PM8001_FAIL_DBG(pm8001_ha,

			pm8001_printk("sas IO status 0x%x\n", status));

	if (unlikely(!t || !t->lldd_task || !t->dev))

		return -1;

		return;

	ts = &t->task_status;

	switch (status) {

	case IO_SUCCESS:
@@ -1541,7 +1567,7 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb) 
			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));

		ts->resp = SAS_TASK_COMPLETE;

		ts->stat = SAS_OPEN_REJECT;

		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;

		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;

		break;

	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:

		PM8001_IO_DBG(pm8001_ha,
@@ -1581,6 +1607,7 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb) 
			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));

		ts->resp = SAS_TASK_COMPLETE;

		ts->stat = SAS_OPEN_REJECT;

		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;

		break;

	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:

		PM8001_IO_DBG(pm8001_ha,
@@ -1656,7 +1683,7 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb) 
		break;

	}

	PM8001_IO_DBG(pm8001_ha,

		pm8001_printk("scsi_satus = %x \n ",

		pm8001_printk("scsi_status = %x \n ",

		psspPayload->ssp_resp_iu.status));

	spin_lock_irqsave(&t->task_state_lock, flags);

	t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
@@ -1675,11 +1702,10 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb) 
		mb();/* in order to force CPU ordering */

		t->task_done(t);

	}

	return 0;

}



/*See the comments for mpi_ssp_completion */

static int mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)

static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)

{

	struct sas_task *t;

	unsigned long flags;
@@ -1700,7 +1726,7 @@ static int mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb) 
		PM8001_FAIL_DBG(pm8001_ha,

			pm8001_printk("sas IO status 0x%x\n", event));

	if (unlikely(!t || !t->lldd_task || !t->dev))

		return -1;

		return;

	ts = &t->task_status;

	PM8001_IO_DBG(pm8001_ha,

		pm8001_printk("port_id = %x,device_id = %x\n",
@@ -1747,7 +1773,7 @@ static int mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb) 
			pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));

		ts->resp = SAS_TASK_COMPLETE;

		ts->stat = SAS_OPEN_REJECT;

		ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;

		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;

		break;

	case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:

		PM8001_IO_DBG(pm8001_ha,
@@ -1787,6 +1813,7 @@ static int mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb) 
			pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));

		ts->resp = SAS_TASK_COMPLETE;

		ts->stat = SAS_OPEN_REJECT;

		ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;

		break;

	case IO_XFER_ERROR_ACK_NAK_TIMEOUT:

		PM8001_IO_DBG(pm8001_ha,
@@ -1840,7 +1867,7 @@ static int mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb) 
	case IO_XFER_CMD_FRAME_ISSUED:

		PM8001_IO_DBG(pm8001_ha,

			pm8001_printk("  IO_XFER_CMD_FRAME_ISSUED\n"));

		return 0;

		return;

	default:

		PM8001_IO_DBG(pm8001_ha,

			pm8001_printk("Unknown status 0x%x\n", event));
@@ -1866,11 +1893,10 @@ static int mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb) 
		mb();/* in order to force CPU ordering */

		t->task_done(t);

	}

	return 0;

}



/*See the comments for mpi_ssp_completion */

static int

static void

mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)

{

	struct sas_task *t;
@@ -1898,7 +1924,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
		PM8001_FAIL_DBG(pm8001_ha,

			pm8001_printk("sata IO status 0x%x\n", status));

	if (unlikely(!t || !t->lldd_task || !t->dev))

		return -1;

		return;



	switch (status) {

	case IO_SUCCESS:
@@ -2015,7 +2041,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);

			mb();/*in order to force CPU ordering*/

			t->task_done(t);

			return 0;

			return;

		}

		break;

	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
@@ -2033,7 +2059,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);

			mb();/*ditto*/

			t->task_done(t);

			return 0;

			return;

		}

		break;

	case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
@@ -2059,7 +2085,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);

			mb();/* ditto*/

			t->task_done(t);

			return 0;

			return;

		}

		break;

	case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
@@ -2124,7 +2150,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);

			mb();/*ditto*/

			t->task_done(t);

			return 0;

			return;

		}

		break;

	case IO_DS_IN_RECOVERY:
@@ -2146,7 +2172,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);

			mb();/*ditto*/

			t->task_done(t);

			return 0;

			return;

		}

		break;

	case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
@@ -2180,11 +2206,10 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
		mb();/* ditto */

		t->task_done(t);

	}

	return 0;

}



/*See the comments for mpi_ssp_completion */

static int mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)

static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)

{

	struct sas_task *t;

	unsigned long flags;
@@ -2205,7 +2230,7 @@ static int mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) 
		PM8001_FAIL_DBG(pm8001_ha,

			pm8001_printk("sata IO status 0x%x\n", event));

	if (unlikely(!t || !t->lldd_task || !t->dev))

		return -1;

		return;

	ts = &t->task_status;

	PM8001_IO_DBG(pm8001_ha,

		pm8001_printk("port_id = %x,device_id = %x\n",
@@ -2268,7 +2293,7 @@ static int mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) 
			pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);

			mb();/*ditto*/

			t->task_done(t);

			return 0;

			return;

		}

		break;

	case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
@@ -2382,11 +2407,10 @@ static int mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) 
		mb();/* in order to force CPU ordering */

		t->task_done(t);

	}

	return 0;

}



/*See the comments for mpi_ssp_completion */

static int

static void

mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)

{

	u32 param;
@@ -2412,7 +2436,7 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
		PM8001_FAIL_DBG(pm8001_ha,

			pm8001_printk("smp IO status 0x%x\n", status));

	if (unlikely(!t || !t->lldd_task || !t->dev))

		return -1;

		return;



	switch (status) {

	case IO_SUCCESS:
@@ -2585,7 +2609,6 @@ mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) 
		mb();/* in order to force CPU ordering */

		t->task_done(t);

	}

	return 0;

}



static void
@@ -2682,8 +2705,8 @@ mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) 
			pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",

			(dlen_status & NVMD_LEN) >> 24));

	}

	memcpy((void *)(fw_control_context->usrAddr),

		(void *)(pm8001_ha->memoryMap.region[NVMD].virt_ptr),

	memcpy(fw_control_context->usrAddr,

		pm8001_ha->memoryMap.region[NVMD].virt_ptr,

		fw_control_context->len);

	complete(pm8001_ha->nvmd_completion);

	ccb->task = NULL;
@@ -3184,28 +3207,28 @@ mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) 
		(struct task_abort_resp *)(piomb + 4);

	ccb = &pm8001_ha->ccb_info[pPayload->tag];

	t = ccb->task;

	ts = &t->task_status;



	if (t == NULL)

		return -1;



	status = le32_to_cpu(pPayload->status);

	tag = le32_to_cpu(pPayload->tag);

	scp = le32_to_cpu(pPayload->scp);

	PM8001_IO_DBG(pm8001_ha,

		pm8001_printk(" status = 0x%x\n", status));

	if (t == NULL)

		return -1;

	ts = &t->task_status;

	if (status != 0)

		PM8001_FAIL_DBG(pm8001_ha,

			pm8001_printk("task abort failed tag = 0x%x,"

			" scp= 0x%x\n", tag, scp));

			pm8001_printk("task abort failed status 0x%x ,"

			"tag = 0x%x, scp= 0x%x\n", status, tag, scp));

	switch (status) {

	case IO_SUCCESS:

		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));

		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));

		ts->resp = SAS_TASK_COMPLETE;

		ts->stat = SAM_GOOD;

		break;

	case IO_NOT_VALID:

		PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NOT_VALID\n"));

		PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_NOT_VALID\n"));

		ts->resp = TMF_RESP_FUNC_FAILED;

		break;

	}
@@ -3443,7 +3466,7 @@ static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb) 
	u32 pHeader = (u32)*(u32 *)piomb;

	u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);



	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:\n"));

	PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:"));



	switch (opc) {

	case OPC_OUB_ECHO:
@@ -3609,17 +3632,16 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha) 
	struct outbound_queue_table *circularQ;

	void *pMsg1 = NULL;

	u8 bc = 0;

	u32 ret = MPI_IO_STATUS_FAIL, processedMsgCount = 0;

	u32 ret = MPI_IO_STATUS_FAIL;



	circularQ = &pm8001_ha->outbnd_q_tbl[0];

	do {

		ret = mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);

		if (MPI_IO_STATUS_SUCCESS == ret) {

			/* process the outbound message */

			process_one_iomb(pm8001_ha, (void *)((u8 *)pMsg1 - 4));

			process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));

			/* free the message from the outbound circular buffer */

			mpi_msg_free_set(pm8001_ha, circularQ, bc);

			processedMsgCount++;

			mpi_msg_free_set(pm8001_ha, pMsg1, circularQ, bc);

		}

		if (MPI_IO_STATUS_BUSY == ret) {

			u32 producer_idx;
@@ -3631,8 +3653,7 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha) 
				/* OQ is empty */

				break;

		}

	} while (100 > processedMsgCount);/*end message processing if hit the

	count*/

	} while (1);

	return ret;

}
@@ -3743,6 +3764,7 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, 
	struct pm8001_device *pm8001_dev = dev->lldd_dev;

	struct ssp_ini_io_start_req ssp_cmd;

	u32 tag = ccb->ccb_tag;

	int ret;

	__le64 phys_addr;

	struct inbound_queue_table *circularQ;

	u32 opc = OPC_INB_SSPINIIOSTART;
@@ -3780,8 +3802,8 @@ 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;

	}

	mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd);

	return ret;

}



static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
@@ -3791,6 +3813,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, 
	struct domain_device *dev = task->dev;

	struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;

	u32 tag = ccb->ccb_tag;

	int ret;

	struct sata_start_req sata_cmd;

	u32 hdr_tag, ncg_tag = 0;

	__le64 phys_addr;
@@ -3849,8 +3872,8 @@ 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;

	}

	mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd);

	return ret;

}



/**
@@ -3864,6 +3887,7 @@ pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id) 
{

	struct phy_start_req payload;

	struct inbound_queue_table *circularQ;

	int ret;

	u32 tag = 0x01;

	u32 opcode = OPC_INB_PHYSTART;

	circularQ = &pm8001_ha->inbnd_q_tbl[0];
@@ -3883,8 +3907,8 @@ 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;

	mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);

	return ret;

}



/**
@@ -3898,14 +3922,15 @@ static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha, 
{

	struct phy_stop_req payload;

	struct inbound_queue_table *circularQ;

	int ret;

	u32 tag = 0x01;

	u32 opcode = OPC_INB_PHYSTOP;

	circularQ = &pm8001_ha->inbnd_q_tbl[0];

	memset(&payload, 0, sizeof(payload));

	payload.tag = cpu_to_le32(tag);

	payload.phy_id = cpu_to_le32(phy_id);

	mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);

	return ret;

}



/**
@@ -3919,7 +3944,7 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, 
	u32 stp_sspsmp_sata = 0x4;

	struct inbound_queue_table *circularQ;

	u32 linkrate, phy_id;

	u32 rc, tag = 0xdeadbeef;

	int rc, tag = 0xdeadbeef;

	struct pm8001_ccb_info *ccb;

	u8 retryFlag = 0x1;

	u16 firstBurstSize = 0;
@@ -3963,8 +3988,8 @@ static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, 
		cpu_to_le32(ITNT | (firstBurstSize * 0x10000));

	memcpy(&payload.sas_addr_hi, pm8001_dev->sas_device->sas_addr,

		SAS_ADDR_SIZE);

	mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return 0;

	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return rc;

}



/**
@@ -3975,16 +4000,17 @@ static int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, 
{

	struct dereg_dev_req payload;

	u32 opc = OPC_INB_DEREG_DEV_HANDLE;

	int ret;

	struct inbound_queue_table *circularQ;



	circularQ = &pm8001_ha->inbnd_q_tbl[0];

	memset((u8 *)&payload, 0, sizeof(payload));

	memset(&payload, 0, sizeof(payload));

	payload.tag = 1;

	payload.device_id = cpu_to_le32(device_id);

	PM8001_MSG_DBG(pm8001_ha,

		pm8001_printk("unregister device device_id = %d\n", device_id));

	mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return ret;

}



/**
@@ -3999,14 +4025,15 @@ static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha, 
{

	struct local_phy_ctl_req payload;

	struct inbound_queue_table *circularQ;

	int ret;

	u32 opc = OPC_INB_LOCAL_PHY_CONTROL;

	memset((u8 *)&payload, 0, sizeof(payload));

	circularQ = &pm8001_ha->inbnd_q_tbl[0];

	payload.tag = 1;

	payload.phyop_phyid =

		cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));

	mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return ret;

}



static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
@@ -4028,12 +4055,16 @@ static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha) 
 * @irq: irq number.

 * @stat: stat.

 */

static void

static irqreturn_t

pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha)

{

	unsigned long flags;

	spin_lock_irqsave(&pm8001_ha->lock, flags);

	pm8001_chip_interrupt_disable(pm8001_ha);

	process_oq(pm8001_ha);

	pm8001_chip_interrupt_enable(pm8001_ha);

	spin_unlock_irqrestore(&pm8001_ha->lock, flags);

	return IRQ_HANDLED;

}



static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
@@ -4041,7 +4072,7 @@ static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc, 
{

	struct task_abort_req task_abort;

	struct inbound_queue_table *circularQ;



	int ret;

	circularQ = &pm8001_ha->inbnd_q_tbl[0];

	memset(&task_abort, 0, sizeof(task_abort));

	if (ABORT_SINGLE == (flag & ABORT_MASK)) {
@@ -4054,8 +4085,8 @@ 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);

	}

	mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort);

	return ret;

}



/**
@@ -4068,7 +4099,8 @@ static int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha, 
{

	u32 opc, device_id;

	int rc = TMF_RESP_FUNC_FAILED;

	PM8001_IO_DBG(pm8001_ha, pm8001_printk("Abort tag[%x]", task_tag));

	PM8001_EH_DBG(pm8001_ha, pm8001_printk("cmd_tag = %x, abort task tag"

		" = %x", cmd_tag, task_tag));

	if (pm8001_dev->dev_type == SAS_END_DEV)

		opc = OPC_INB_SSP_ABORT;

	else if (pm8001_dev->dev_type == SATA_DEV)
@@ -4079,7 +4111,7 @@ static int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha, 
	rc = send_task_abort(pm8001_ha, opc, device_id, flag,

		task_tag, cmd_tag);

	if (rc != TMF_RESP_FUNC_COMPLETE)

		PM8001_IO_DBG(pm8001_ha, pm8001_printk("rc= %d\n", rc));

		PM8001_EH_DBG(pm8001_ha, pm8001_printk("rc= %d\n", rc));

	return rc;

}
@@ -4098,17 +4130,17 @@ static int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha, 
	u32 opc = OPC_INB_SSPINITMSTART;

	struct inbound_queue_table *circularQ;

	struct ssp_ini_tm_start_req sspTMCmd;

	int ret;



	memset(&sspTMCmd, 0, sizeof(sspTMCmd));

	sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);

	sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed);

	sspTMCmd.tmf = cpu_to_le32(tmf->tmf);

	sspTMCmd.ds_ads_m = cpu_to_le32(1 << 2);

	memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);

	sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);

	circularQ = &pm8001_ha->inbnd_q_tbl[0];

	mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd);

	return ret;

}



static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
@@ -4116,7 +4148,7 @@ static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, 
{

	u32 opc = OPC_INB_GET_NVMD_DATA;

	u32 nvmd_type;

	u32 rc;

	int rc;

	u32 tag;

	struct pm8001_ccb_info *ccb;

	struct inbound_queue_table *circularQ;
@@ -4183,8 +4215,8 @@ static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, 
	default:

		break;

	}

	mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);

	return 0;

	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);

	return rc;

}



static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
@@ -4192,7 +4224,7 @@ static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, 
{

	u32 opc = OPC_INB_SET_NVMD_DATA;

	u32 nvmd_type;

	u32 rc;

	int rc;

	u32 tag;

	struct pm8001_ccb_info *ccb;

	struct inbound_queue_table *circularQ;
@@ -4259,8 +4291,8 @@ static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, 
	default:

		break;

	}

	mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);

	return 0;

	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);

	return rc;

}



/**
@@ -4275,9 +4307,10 @@ pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha, 
	struct fw_flash_Update_req payload;

	struct fw_flash_updata_info *info;

	struct inbound_queue_table *circularQ;

	int ret;

	u32 opc = OPC_INB_FW_FLASH_UPDATE;



	memset((u8 *)&payload, 0, sizeof(struct fw_flash_Update_req));

	memset(&payload, 0, sizeof(struct fw_flash_Update_req));

	circularQ = &pm8001_ha->inbnd_q_tbl[0];

	info = fw_flash_updata_info;

	payload.tag = cpu_to_le32(tag);
@@ -4287,8 +4320,8 @@ pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha, 
	payload.len = info->sgl.im_len.len ;

	payload.sgl_addr_lo = lower_32_bits(info->sgl.addr);

	payload.sgl_addr_hi = upper_32_bits(info->sgl.addr);

	mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return 0;

	ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return ret;

}



static int
@@ -4298,7 +4331,7 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, 
	struct fw_flash_updata_info flash_update_info;

	struct fw_control_info *fw_control;

	struct fw_control_ex *fw_control_context;

	u32 rc;

	int rc;

	u32 tag;

	struct pm8001_ccb_info *ccb;

	void *buffer = NULL;
@@ -4321,8 +4354,8 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, 
				return -ENOMEM;

		}

	}

	memset((void *)buffer, 0, fw_control->len);

	memcpy((void *)buffer, fw_control->buffer, fw_control->len);

	memset(buffer, 0, fw_control->len);

	memcpy(buffer, fw_control->buffer, fw_control->len);

	flash_update_info.sgl.addr = cpu_to_le64(phys_addr);

	flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);

	flash_update_info.sgl.im_len.e = 0;
@@ -4338,8 +4371,9 @@ pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha, 
	ccb = &pm8001_ha->ccb_info[tag];

	ccb->fw_control_context = fw_control_context;

	ccb->ccb_tag = tag;

	pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info, tag);

	return 0;

	rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,

		tag);

	return rc;

}



static int
@@ -4349,10 +4383,10 @@ pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha, 
	struct set_dev_state_req payload;

	struct inbound_queue_table *circularQ;

	struct pm8001_ccb_info *ccb;

	u32 rc;

	int rc;

	u32 tag;

	u32 opc = OPC_INB_SET_DEVICE_STATE;

	memset((u8 *)&payload, 0, sizeof(payload));

	memset(&payload, 0, sizeof(payload));

	rc = pm8001_tag_alloc(pm8001_ha, &tag);

	if (rc)

		return -1;
@@ -4363,8 +4397,9 @@ 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);

	mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return 0;

	rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);

	return rc;



}



static int

drivers/scsi/pm8001/pm8001_sas.h

+1 −1
Original line number Diff line number Diff line
@@ -119,7 +119,7 @@ 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);

	void (*isr)(struct pm8001_hba_info *pm8001_ha);

	irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha);

	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);